UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

ý	QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2011

o	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
	For the transition period from to

Commission File No. 000-51268

RIDGEWOOD ENERGY M FUND, LLC

(Exact name of registrant as specified in its charter)

Delaware

(State or other jurisdiction of

incorporation or organization)

13-4285167

(I.R.S. Employer

Identification No.)

14 Philips Parkway, Montvale, NJ 07645

(Address of principal executive offices) (Zip code)

(800) 942-5550

(Registrant’s telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ý No o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes ý No o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	o		Accelerated filer	o
Non-accelerated filer (Do not check if a smaller reporting company)	o		Smaller reporting company	ý

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes o No ý

As of November 8, 2011 the Fund had 535.6818 shares of LLC Membership Interest outstanding.

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			PAGE

PART I - FINANCIAL INFORMATION
Item 1.	Financial Statements		1
		Unaudited Condensed Balance Sheets as of September 30, 2011 and December 31, 2010	1
		Unaudited Condensed Statements of Operations for the three and nine months ended September 30, 2011 and 2010	2
		Unaudited Condensed Statements of Cash Flows for the nine months ended September 30, 2011 and 2010	3
		Notes to Unaudited Condensed Financial Statements	4
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations		9
Item 3.	Quantitative and Qualitative Disclosures About Market Risk		14
Item 4.	Controls and Procedures		14

PART II - OTHER INFORMATION
Item 1.	Legal Proceedings		14
Item 1A.	Risk Factors		14
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds		14
Item 3.	Defaults Upon Senior Securities		14
Item 4.	(Removed and Reserved)		14
Item 5.	Other Information		14
Item 6.	Exhibits		15

	SIGNATURES		15

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PART I – FINANCIAL INFORMATION

ITEM 1. FINANCIAL STATEMENTS

RIDGEWOOD ENERGY M FUND, LLC

UNAUDITED CONDENSED BALANCE SHEETS

(in thousands, except share data)

	September 30, 2011			December 31, 2010
ASSETS
Current assets:
Cash and cash equivalents	$	97		$	421
Production receivable		23			131
Other current assets		130			39
Salvage fund		1,045			-
Total current assets		1,295			591
Salvage fund		-			1,777
Oil and gas properties:
Advances to operators for working interests and expenditures		-			156
Proved properties		6,717			10,430
Less: accumulated depletion and amortization		(2,812	)		(6,983	)
Total oil and gas properties, net		3,905			3,603
Total assets	$	5,200		$	5,971

LIABILITIES AND MEMBERS' CAPITAL
Current liabilities:
Due to Manager (Note 3)	$	295		$	-
Asset retirement obligations		131			862
Accrued expenses		343			192
Total current liabilities		769			1,054
Asset retirement obligations		925			863
Total liabilities		1,694			1,917

Commitments and contingencies (Note 5)
Members' capital:
Manager:
Distributions		(1,551	)		(1,551	)
Retained earnings		336			324
Manager's total		(1,215	)		(1,227	)
Shareholders:
Capital contributions (834 shares authorized; 535.6818 issued and outstanding)		78,887			78,887
Syndication costs		(8,597	)		(8,597	)
Distributions		(10,502	)		(10,178	)
Accumulated deficit		(55,067	)		(54,831	)
Shareholders' total		4,721			5,281
Total members' capital		3,506			4,054
Total liabilities and members' capital	$	5,200		$	5,971

The accompanying notes are an integral part of these unaudited condensed financial statements.

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RIDGEWOOD ENERGY M FUND, LLC

UNAUDITED CONDENSED STATEMENTS OF OPERATIONS

(in thousands, except per share data)

	Three months ended September 30,						Nine months ended September 30,
	2011			2010			2011			2010
Revenue
Oil and gas revenue	$	143		$	760		$	417		$	2,355

Expenses
Depletion and amortization		94			572			192			1,884
Dry-hole costs		12			72			(24	)		69
Impairments of oil and gas properties		(94	)		-			181			-
Operating expenses		35			105			140			362
General and administrative expenses		50			61			173			193
Total expenses		97			810			662			2,508
Income (loss) from operations		46			(50	)		(245	)		(153	)
Interest income		7			8			21			23
Net income (loss)	$	53		$	(42	)	$	(224	)	$	(130	)

Manager Interest
Net income	$	8		$	84		$	12		$	253

Shareholder Interest
Net income (loss)	$	45		$	(126	)	$	(236	)	$	(383	)
Net income (loss) per share	$	84		$	(235	)	$	(441	)	$	(715	)

The accompanying notes are an integral part of these unaudited condensed financial statements.

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RIDGEWOOD ENERGY M FUND, LLC

UNAUDITED CONDENSED STATEMENTS OF CASH FLOWS

(in thousands)

	Nine months ended September 30,
	2011			2010
Cash flows from operating activities
Net loss	$	(224	)	$	(130	)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depletion and amortization		192			1,884
Dry-hole costs		(24	)		69
Impairments of oil and gas properties		181			-
Changes in assets and liabilities:
Decrease (increase) in production receivable		108			(163	)
Increase in other current assets		-			(25	)
Increase (decrease) in accrued expenses		18			(76	)
Settlements of asset retirement obligations		(817	)		(204	)
Net cash (used in) provided by operating activities		(566	)		1,355

Cash flows from investing activities
Capital expenditures for oil and gas properties		(461	)		(1,084	)
Proceeds from (investments in) salvage fund, net		732			(20	)
Net cash provided by (used in) investing activities		271			(1,104	)

Cash flows from financing activities
Distributions		(324	)		(951	)
Advance from Manager		295			-
Net cash used in financing activities		(29	)		(951	)

Net decrease in cash and cash equivalents		(324	)		(700	)
Cash and cash equivalents, beginning of period		421			1,304
Cash and cash equivalents, end of period	$	97		$	604

Supplemental schedule of non-cash investing activities
Advances used for capital expenditures in oil and gas properties reclassified to proved properties	$	156		$	-

The accompanying notes are an integral part of these unaudited condensed financial statements.

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RIDGEWOOD ENERGY M FUND, LLC

NOTES TO UNAUDITED CONDENSED FINANCIAL STATEMENTS

1. Organization and Summary of Significant Accounting Policies

Organization

The Ridgewood Energy M Fund, LLC (the “Fund”), a Delaware limited liability company, was formed on August 2, 2004 and operates pursuant to a limited liability company agreement (the “LLC Agreement”) dated September 7, 2004 by and among Ridgewood Energy Corporation (the “Manager”) and the shareholders of the Fund. The Fund was organized to acquire interests in oil and gas properties located in the United States offshore waters of Texas, Louisiana and Alabama in the Gulf of Mexico.

The Manager has direct and exclusive control over the management of the Fund’s operations. With respect to project investments, the Manager locates potential projects, conducts due diligence and negotiates and completes the transactions in which the investments are made. The Manager performs, or arranges for the performance of, the management, advisory and administrative services required for Fund operations. Such services include, without limitation, the administration of shareholder accounts, shareholder relations and the preparation, review and dissemination of tax and other financial information. In addition, the Manager provides office space, equipment and facilities and other services necessary for Fund operations. The Manager also engages and manages the contractual relations with unaffiliated custodians, depositories, accountants, attorneys, broker-dealers, corporate fiduciaries, insurers, banks and others as required. See Notes 3 and 5.

Basis of Presentation

These unaudited interim condensed financial statements have been prepared by the Fund’s management in accordance with accounting principles generally accepted in the United States of America (“GAAP”) and in the opinion of management, contain all adjustments (consisting of only normal recurring adjustments) necessary to present fairly the Fund’s financial position, results of operations and cash flows for the periods presented. Certain information and note disclosures normally included in annual financial statements prepared in accordance with GAAP have been omitted in these unaudited interim condensed financial statements. The results of operations, financial position, and cash flows for the periods presented herein are not necessarily indicative of future financial results. These unaudited interim condensed financial statements should be read in conjunction with the Fund’s December 31, 2010 financial statements and notes thereto included in the Fund’s Annual Report on Form 10-K filed with the Securities and Exchange Commission (“SEC”). The year-end condensed balance sheet data was derived from audited financial statements, but does not include all disclosures required by GAAP.

Use of Estimates

The preparation of financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities as of the date of the financial statements and the reported amounts of revenue and expense during the reporting period. On an ongoing basis, the Manager reviews its estimates, including those related to property balances, determination of proved reserves, impairments and asset retirement obligations. Actual results may differ from those estimates.

Cash and Cash Equivalents

All highly liquid investments with maturities, when purchased, of three months or less, are considered cash and cash equivalents. At times, deposits may be in excess of federally insured limits, which, for interest bearing deposits, are $250 thousand per insured financial institution. Additionally, non-interest bearing deposits are fully insured through December 31, 2012, after which they will be included within the $250 thousand limit. At September 30, 2011, the Fund’s bank balances exceeded federally insured limits by $25 thousand, all of which was invested in money market accounts that invest solely in U.S. Treasury bills and notes.

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Salvage Fund

The Fund deposits in a separate interest-bearing account, or salvage fund, money to provide for the dismantling and removal of production platforms and facilities and plugging and abandoning its wells at the end of their useful lives, in accordance with applicable federal and state laws and regulations. At September 30, 2011, the Fund had investments in U.S. Treasury securities within its salvage fund that are classified as held-to-maturity of $1.0 million, which mature in February 2012. Held-to-maturity investments are those securities that the Fund has the ability and intent to hold until maturity, and are recorded at cost plus accrued income, adjusted for the amortization of premiums and discounts, which approximates fair value. For all investments, interest income is accrued as earned and amortization of premium or discount, if any, is included in interest income. Interest earned on the account will become part of the salvage fund. There are no restrictions on withdrawals from the salvage fund and the Fund may elect to use amounts from the salvage fund to provide for operational needs.

Oil and Gas Properties

The Fund invests in oil and gas properties, which are operated by unaffiliated entities that are responsible for drilling, administering and producing activities pursuant to the terms of the applicable operating agreements with working interest owners. The Fund's portion of exploration, drilling, operating and capital equipment expenditures is billed by operators.

The successful efforts method of accounting for oil and gas producing activities is followed. Acquisition costs are capitalized when incurred. Other oil and gas exploration costs, excluding the costs of drilling exploratory wells, are charged to expense as incurred. The costs of drilling exploratory wells are capitalized pending the determination of whether the wells have discovered proved commercial reserves. If proved commercial reserves have not been found, exploratory drilling costs are expensed as dry-hole costs. Costs to develop proved reserves, including the costs of all development wells and related facilities and equipment used in the production of oil and gas, are capitalized. Expenditures for ongoing repairs and maintenance of producing properties are expensed as incurred.

Upon the sale or retirement of a proved property, the cost and related accumulated depletion and amortization will be eliminated from the property accounts, and the resultant gain or loss is recognized. Upon the sale or retirement of an unproved property, gain or loss on the sale is recognized.

Capitalized acquisition costs of producing oil and gas properties are depleted by the units-of-production method.

At September 30, 2011 and December 31, 2010, amounts recorded in accrued expenses totaling $0.1 million and $4 thousand, respectively, related to capital expenditures for oil and gas properties.

Advances to Operators for Working Interests and Expenditures

The Fund’s acquisition of a working interest in a well or a project requires it to make a payment to the seller for the Fund’s rights, title and interest. The Fund may be required to advance its share of estimated cash expenditures for the succeeding month’s operation. The Fund accounts for such payments as advances to operators for working interests and expenditures. As drilling costs are incurred, the advances are reclassified to unproved or proved properties.

Asset Retirement Obligations

For oil and gas properties, there are obligations to perform removal and remediation activities when the properties are retired. When a project reaches drilling depth and is determined to be either proved or dry, an asset retirement obligation is incurred. Plug and abandonment costs associated with unsuccessful projects are expensed as dry-hole costs. The following table presents changes in asset retirement obligations for the nine months ended September 30, 2011 and the year ended December 31, 2010.

	September 30, 2011			December 31, 2010
	(in thousands)
Balance, beginning of period	$	1,725		$	1,910
Liabilities incurred		406			-
Liabilities settled		(1,075	)		(204	)
Accretion expense		-			19
Balance, end of period	$	1,056		$	1,725

As indicated above, the Fund maintains a salvage fund to provide for the funding of future asset retirement obligations.

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Syndication Costs

Syndication costs are direct costs incurred by the Fund in connection with the offering of the Fund’s shares, including professional fees, selling expenses and administrative costs payable to the Manager, an affiliate of the Manager and unaffiliated broker-dealers, which are reflected on the Fund’s balance sheet as a reduction of shareholders’ capital.

Revenue Recognition and Imbalances

Oil and gas revenues are recognized when oil and gas is sold to a purchaser at a fixed or determinable price, when delivery has occurred and title has transferred, and if collectibility of the revenue is probable. The Fund uses the sales method of accounting for gas production imbalances. The volumes of gas sold may differ from the volumes to which the Fund is entitled based on its interests in the properties. These differences create imbalances that are recognized as a liability only when the properties’ estimated remaining reserves net to the Fund will not be sufficient to enable the underproduced owner to recoup its entitled share through production. The Fund’s recorded liability, if any, would be reflected in other liabilities. No receivables are recorded for those wells where the Fund has taken less than its share of production.

Impairment of Long-Lived Assets

The Fund reviews the value of its oil and gas properties whenever management determines that events and circumstances indicate that the recorded carrying value of properties may not be recoverable. Impairments of producing properties are determined by comparing future net undiscounted cash flows to the net book value at the time of the review. If the net book value exceeds the future net undiscounted cash flows, the carrying value of the property is written down to fair value, which is determined using net discounted future cash flows from the producing property. The Fund provides for impairments on unproved properties when it determines that the property will not be developed or a permanent impairment in value has occurred. The fair value determinations require considerable judgment and are sensitive to change. Different pricing assumptions, reserve estimates or discount rates could result in a different calculated impairment. Given the volatility of oil and natural gas prices, it is reasonably possible that the Fund’s estimate of discounted future net cash flows from proved oil and natural gas reserves could change in the near term. If oil and natural gas prices decline significantly, even if only for a short period of time, it is possible that write-downs of oil and gas properties could occur. During the three and nine months ended September 30, 2011, the Fund recorded credits to impairments of oil and gas properties totaling $0.1 million and impairments of oil and gas properties totaling $0.2 million, respectively, which were attributable to net adjustments to asset retirement obligations for fully depleted wells. There were no impairments during the three and nine months ended September 30, 2010.

Depletion and Amortization

Depletion and amortization of the cost of proved oil and gas properties are calculated using the units-of-production method. Proved developed reserves are used as the base for depleting capitalized costs associated with successful exploratory well costs. The sum of proved developed and proved undeveloped reserves is used as the base for depleting or amortizing leasehold acquisition costs, the costs to acquire proved properties and platform and pipeline costs.

Income Taxes

No provision is made for income taxes in the financial statements. The Fund is a limited liability company, and as such, the Fund’s income or loss is passed through and included in the tax returns of the Fund’s shareholders.

Income and Expense Allocation

Profits and losses are allocated 85% to shareholders in proportion to their relative capital contributions and 15% to the Manager, except for interest income and certain expenses such as dry-hole costs, trust fees, depletion and amortization, which are allocated 99% to shareholders and 1% to the Manager.

Distributions

Distributions to shareholders are allocated in proportion to the number of shares held. The Manager determines whether available cash from operations, as defined in the LLC Agreement, will be distributed. Such distributions are allocated 85% to the shareholders and 15% to the Manager, as required by the LLC Agreement. Distributions, if any, are funded from available cash from operations, as defined in the LLC Agreement, and the frequency and amount are within the Manager’s discretion.

During 2009, the Manager elected to waive its right to distributions of available cash from operations for the remaining life of the Fund. During the second quarter 2011, the Manager suspended Fund distributions to shareholders and does not currently expect to resume distributions until such time that production levels provide available cash for distribution.

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Available cash from dispositions, as defined in the LLC Agreement, will be paid 99% to shareholders and 1% to the Manager until the shareholders have received total distributions equal to their capital contributions. After shareholders have received distributions equal to their capital contributions, 85% of available cash from dispositions will be distributed to shareholders and 15% to the Manager.

Recent Accounting Pronouncements

The Fund has considered recent accounting pronouncements and believes that these recent pronouncements will not have a material effect on the Fund’s financial statements.

2. Oil and Gas Properties

Capitalized exploratory well costs are expensed as dry-hole costs in the event that reserves are not found or are not in sufficient quantities to complete the well and develop the field. At times, the Fund receives credits on certain wells from their respective operators upon review and audit of the wells’ costs. The Fund had dry-hole costs of $12 thousand and credits to dry-hole costs of $24 thousand for the three and nine months ended September 30, 2011, respectively. The Fund had dry-hole costs of $0.1 million for each of the three and nine months ended September 30, 2010.

Effective February 1, 2011, the Fund entered into an agreement to convey its working interest in West Cameron 57 to Marlin Coastal, L.L.C. (“Marlin”), the operator of the well, in exchange for Marlin’s assumption of all future obligations and liabilities of the well. During the year ended December 31, 2009, the Fund recorded an impairment relating to West Cameron 57 totaling $4.3 million, as the Fund’s independent petroleum engineers did not assign any reserves to this well. During the year ended December 31, 2010, and through the date of the conveyance agreement, the well continued to produce small amounts of oil and gas. As a result of the conveyance, during the first quarter 2011, the Fund relieved the asset retirement obligation of $0.2 million that it had previously established for the well. This reversal is included in the statement of operations under the caption “Impairments of oil and gas properties.”

3. Related Parties

In accordance with the LLC Agreement, the Manager is entitled to an annual management fee, equal to 2.5% of the total shareholder capital. During 2007, the Manager waived its management fee for the remaining life of the Fund. Upon the waiver of the management fee, the Fund began recording costs relating to services provided by the Manager for accounting and investor relations. Such costs, which are included in general and administrative expenses, totaled $10 thousand and $20 thousand for the three months ended September 30, 2011 and 2010, respectively, and $30 thousand and $60 thousand for the nine months ended September 30, 2011 and 2010, respectively.

At times, short-term payables and receivables, which do not bear interest, arise from transactions with affiliates in the ordinary course of business. During the third quarter 2011, in order to meet its working capital and operational needs, the Manager advanced the Fund $0.3 million, which is reflected on the balance sheet within “Due to Manager” at September 30, 2011. There were no such amounts outstanding at December 31, 2010.

None of the compensation paid to the Manager has been derived as a result of arm’s length negotiations.

The Fund has working interest ownership in certain projects to acquire and develop oil and natural gas projects with other entities that are likewise managed by the Manager.

4. Fair Value Measurements

At September 30, 2011 and December 31, 2010, cash and cash equivalents, production receivable, salvage fund, due to Manager and accrued expenses approximate fair value.

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5. Commitments and Contingencies

Capital Commitments

The Fund has entered into multiple agreements for the drilling and development of its investment properties. The estimated capital expenditures associated with these agreements vary depending on the stage of development on a property-by-property basis. The Fund has reached the end of its investment cycle. At September 30, 2011, the Fund has commitments related to its investment properties totaling $18 thousand. Based upon its current reserve estimates, the Fund expects that its cash flows from operations may be supplemented with advances from the Manager to cover the Fund’s commitments and operations. The Fund expects cash flows from operations will be sufficient to repay the Manager such advances and cover its commitments and ongoing operations for the next 12 months. Reserve estimates are projections based on engineering data that cannot be measured with precision, require substantial judgment, and are subject to frequent revision. The Fund may borrow from the Manager in the event of a working capital deficit, or temporary production stoppage causing the Fund’s wells to not produce cash flow from operations. At such time the Manager determines that the Fund is no longer capable of continuing to fund its operations, the Manager would elect to dissolve the Fund.

Environmental Considerations

The exploration for and development of oil and natural gas involves the extraction, production and transportation of materials which, under certain conditions, can be hazardous or cause environmental pollution problems. The Manager and operators of the Fund’s properties are continually taking action they believe appropriate to satisfy applicable federal, state and local environmental regulations and do not currently anticipate that compliance with federal, state and local environmental regulations will have a material adverse effect upon capital expenditures, results of operations or the competitive position of the Fund in the oil and gas industry. However, due to the significant public and governmental interest in environmental matters related to those activities, the Manager cannot predict the effects of possible future legislation, rule changes, or governmental or private claims. At September 30, 2011 and December 31, 2010, there were no known environmental contingencies that required the Fund to record a liability.

In response to the April 2010 oil spill in the Gulf of Mexico, the United States Congress is considering a number of legislative proposals relating to the upstream oil and gas industry both onshore and offshore. Such proposals could result in significant additional laws or regulations governing the Fund’s operations in the United States, including a proposal to raise or eliminate the cap on liability for oil spill cleanups under the Oil Pollution Act of 1990. Although it is not possible at this time to predict whether proposed legislation or regulations will be adopted as initially written, if at all, or how legislation or new regulation that may be adopted would impact our business, any such future laws and regulations could result in increased compliance costs or additional operating restrictions, which could have a material adverse effect on the Fund’s operating results and cash flows.

Insurance Coverage

The Fund is subject to all risks inherent in the exploration for and development of oil and natural gas. Insurance coverage as is customary for entities engaged in similar operations is maintained, but losses may occur from uninsurable risks or amounts in excess of existing insurance coverage. The occurrence of an event that is not insured or not fully insured could have an adverse impact upon earnings and financial position. Moreover, insurance is obtained as a package covering all of the funds managed by the Manager. Claims made by other funds managed by the Manager can reduce or eliminate insurance for the Fund.

6. Subsequent Events

The Fund has assessed the impact of subsequent events through the date of issuance of its financial statements, and has concluded that there were no such events that require adjustment to, or disclosure in, the notes to the financial statements.

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ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Cautionary Statement Regarding Forward-Looking Statements

Certain statements in this Quarterly Report on Form 10-Q (“Quarterly Report”) and the documents Ridgewood Energy M Fund, LLC (the “Fund”) has incorporated by reference into this Quarterly Report, other than purely historical information, including estimates, projections, statements relating to the Fund’s business plans, strategies, objectives and expected operating results, and the assumptions upon which those statements are based, are “forward-looking statements” within the meaning of the US Private Securities Litigation Reform Act of 1995 that are based on current expectations and assumptions and are subject to risks and uncertainties that may cause actual results to differ materially from the forward-looking statements. You are therefore cautioned against relying on any such forward-looking statements. Forward-looking statements can generally be identified by words such as “believe,” “project,” “expect,” “anticipate,” “estimate,” “intend,” “strategy,” “plan,” “target,” “pursue,” “may,” “will,” “will likely result,” and similar expressions and references to future periods. Examples of events that could cause actual results to differ materially from historical results or those anticipated include weather conditions, such as hurricanes, changes in market conditions affecting the pricing of oil and natural gas, the cost and availability of equipment, and changes in governmental regulations. Examples of forward-looking statements made herein include statements regarding future projects, investments and insurance. Forward-looking statements made in this document speak only as of the date on which they are made. The Fund undertakes no obligation to update or revise publicly any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law.

Critical Accounting Policies and Estimates

The following discussion and analysis of the Fund’s financial condition and operating results is based on its financial statements. The preparation of this Quarterly Report requires the Fund to make estimates and assumptions that affect the reported amount of assets and liabilities, disclosure of contingent assets and liabilities at the date of the Fund’s financial statements, and the reported amount of revenue and expense during the reporting period. Actual results may differ from those estimates and assumptions. See “Notes to Unaudited Condensed Financial Statements” in Part I of this Quarterly Report for a presentation of the Fund’s significant accounting policies. No changes have been made to the Fund’s critical accounting policies and estimates disclosed in its 2010 Annual Report on Form 10-K.

Overview of the Fund’s Business

The Fund is a Delaware limited liability company formed on August 2, 2004 to primarily acquire interests in oil and gas properties located in the United States offshore waters of Texas, Louisiana and Alabama in the Gulf of Mexico. Ridgewood Energy Corporation (“Ridgewood Energy” or the “Manager”) a Delaware corporation, is the Manager. As the Manager, Ridgewood Energy has direct and exclusive control over the management of the Fund’s operations. The Fund’s primary investment objective is to generate cash flow for distribution to its shareholders by generating returns across a portfolio of exploratory or development oil and natural gas projects. However, the Fund is not required to make distributions to shareholders except as provided in the Fund’s limited liability company agreement (the “LLC Agreement”).

The Manager performs certain duties on the Fund’s behalf including the evaluation of potential projects for investment and ongoing management, administrative and advisory services associated with these projects. The Fund does not currently, nor is there any plan to operate any project in which the Fund participates. The Manager enters into operating agreements with third-party operators for the management of all exploration, development and producing operations, as appropriate.

Revenues are subject to market pricing for oil and natural gas, which has been volatile, and is likely to continue to be volatile in the future. This volatility is caused by numerous factors and market conditions that the Fund cannot control or influence. Therefore, it is impossible to predict the future price of oil and natural gas with any certainty. Low commodity prices could have an adverse effect on the Fund’s future profitability.

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Business Update

Information regarding the Fund’s current projects, all of which are located in the offshore waters of the Gulf of Mexico, is provided in the following table.

		Total Spent		Total
	Working	through		Fund
Lease Block	Interest	September 30, 2011		Budget		Status
Producing Properties		(in thousands)
South Marsh Island 111	8.75%	$	2,856	$	2,865	Production commenced in 2009. Recompletion efforts to access behind the pipe reserves commenced in April 2011 and completed in May 2011 at a cost of $0.4 million. Well was shut-in for pipeline maintenance from August 2011 through late-October 2011. Minor recompletion is also planned for 2012 at an estimated cost of $9 thousand.

West Delta 68	8.75%	$	2,080	$	2,089	Production commenced in 2008. Recompletion planned for 2014 at an estimated cost of $9 thousand.
Fully Depleted
Whistler Project	20.0%	$	4,166		N/A	Production commenced January 2010. In March 2011, production for this well was terminated by the production facility. Well was plugged and abandoned in third quarter 2011 at a cost of $0.5 million.

West Delta 67	8.75%	$	1,382		N/A	Production commenced in 2008. Determined to be fully depleted during second quarter 2011.
Conveyances
West Cameron 57	12.5%	$	4,768		N/A	Production commenced in 2008. Working interest conveyed to operator effective February 1, 2011. See discussion below.

Results of Operations

The following table summarizes the Fund’s results of operations for the three and nine months ended September 30, 2011 and 2010 and should be read in conjunction with the Fund’s financial statements and notes thereto included within Item 1. “Financial Statements” in Part I of this Quarterly Report.

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	Three months ended September 30,						Nine months ended September 30,
	2011			2010			2011			2010
	(in thousands)
Revenue
Oil and gas revenue	$	143		$	760		$	417		$	2,355
Expenses
Depletion and amortization		94			572			192			1,884
Dry-hole costs		12			72			(24	)		69
Impairments of oil and gas properties		(94	)		-			181			-
Operating expenses		35			105			140			362
General and administrative expenses		50			61			173			193
Total expenses		97			810			662			2,508
Income (loss) from operations		46			(50	)		(245	)		(153	)
Interest income		7			8			21			23
Net income (loss)	$	53		$	(42	)	$	(224	)	$	(130	)

Overview. The following table provides information related to the Fund’s oil and gas production during the three and nine months ended September 30, 2011 and 2010.

	Three months ended September 30,				Nine months ended September 30,
	2011		2010		2011		2010
Number of wells producing		2		4		3		4
Total number of production days		139		307		449		893
Average mcfe per production day		142		508		132		545

During the three months ended September 30, 2011, the decreases in production days and average production rate were principally attributable to the number of productive wells. During the nine months ended September 30, 2011, the decreases in production days and average production rate were principally attributable to the composite of productive wells coupled with an increase in the number of non-productive days related to maintenance activities. See additional discussion in “Business Update” section above.

Oil and Gas Revenue. Oil and gas revenue for the three months ended September 30, 2011 was $0.1 million, a $0.6 million decrease from the three months ended September 30, 2010. The decrease is principally attributable to decreased sales volumes.

Oil and gas revenue for the nine months ended September 30, 2011 was $0.4 million, a $1.9 million decrease from the nine months ended September 30, 2010. The decrease is principally attributable to decreased sales volumes.

The following table provides information related to the Fund’s oil and gas revenue during the three and nine months ended September 30, 2011 and 2010.

	Three months ended September 30,				Nine months ended September 30,
	2011		2010		2011		2010
Oil sales in thousands of barrels		1		1		2		2
Average oil price per barrel	$	103	$	76	$	101	$	76
Gas sales in thousands of mcfs		14		142		42		436
Average gas price per mcf	$	4.32	$	4.17	$	4.21	$	4.35

The decreases in gas volumes were primarily related to a reduction in the number of productive wells. See “Overview” above.

Depletion and Amortization. Depletion and amortization for the three and nine months ended September 30, 2011 was $0.1 million and $0.2 million, respectively, a decrease of $0.5 million and $1.7 million from the three and nine months ended September 30, 2010, respectively. The decreases were primarily due to decreased production volumes.

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Dry-hole Costs. Dry-hole costs are those costs incurred to drill and develop a well that is ultimately found to be incapable of producing either oil or natural gas in sufficient quantities to justify completion of the well. At times, the Fund receives credits on certain wells from their respective operators upon review and audit of the wells’ costs. The Fund had dry-hole costs of $12 thousand and credits to dry-hole costs of $24 thousand for the three and nine months ended September 30, 2011, respectively. The Fund had dry-hole costs of $0.1 million for each of the three and nine months ended September 30, 2010.

Impairments of Oil and Gas Properties. During the three months ended September 30, 2011, the Fund recorded credits to impairments of oil and gas properties totaling $0.1 million which were attributable to adjustments to asset retirement obligations for the Whistler Project. During nine months ended September 30, 2011, the Fund recorded impairments of oil and gas properties totaling $0.2 million, relating to asset retirement obligations for fully depleted wells. Impairments totaling $0.3 million relating to the Whistler Project were partially offset by a credit of $0.2 million, relating to the conveyance of West Cameron 57 to its operator. There were no impairments during the three and nine months ended September 30, 2010.

Operating Expenses. Operating expenses represent costs specifically identifiable or allocable to the Fund's wells, as detailed in the following table.

	Three months ended September 30,				Nine months ended September 30,
	2011		2010		2011		2010
	(in thousands)
Lease operating expense	$	35	$	101	$	140	$	350
Other		-		4		-		12
	$	35	$	105	$	140	$	362

Lease operating expense relates to the Fund’s producing properties during each period as outlined above in “Overview”. The average production cost was $1.76 per mcfe and $2.36 per mcfe during the three and nine months ended September 30, 2011, respectively, compared to $0.61 per mcfe and $0.70 per mcfe during the three and nine months ended September 30, 2010, respectively.

General and Administrative Expenses. General and administrative expenses represent costs specifically identifiable or allocable to the Fund as detailed in the following table.

		Three months ended September 30,				Nine months ended September 30,
		2011		2010		2011		2010
	(in thousands)
Accounting fees		$	29	$	25	$	83	$	91
Insurance expense			11		16		59		41
Management reimbursement and other			10		20		31		61
		$	50	$	61	$	173	$	193

Accounting fees represent audit and tax preparation fees, quarterly reviews and filing fees incurred by the Fund. Insurance expense represents premiums related to producing well and control of well insurance, which varies depending upon the number of wells producing or drilling and directors’ and officers’ liability insurance. Management reimbursement relates to reimbursements for various administrative costs incurred on the Fund’s behalf.

Interest Income. Interest income is comprised of interest earned on money market accounts and investments in U.S. Treasury securities. Interest income was $7 thousand and $21 thousand for the three and nine months ended September 30, 2011, respectively, compared to $8 thousand and $23 thousand for the three and nine months ended September 30, 2010, respectively.

Capital Resources and Liquidity

Operating Cash Flows

Cash flows used in operating activities for the nine months ended September 30, 2011 were $0.6 million, primarily related to settlements of asset retirement obligations of $0.8 million, general and administrative expenses paid of $0.2 million and operating expenses paid of $0.1 million, partially offset by revenue received of $0.5 million.

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Cash flows provided by operating activities for the nine months ended September 30, 2010 were $1.4 million, primarily related to revenue received of $2.2 million, partially offset by operating expenses of $0.4 million, general and administrative expenses of $0.2 million and settlement of asset retirement obligations of $0.2 million.

Investing Cash Flows

Cash flows provided by investing activities for the nine months ended September 30, 2011 were $0.3 million, primarily related to proceeds from the salvage fund totaling $0.7 million, partially offset by capital expenditures for oil and gas properties of $0.5 million.

Cash flows used in investing activities for the nine months ended September 30, 2010 were $1.1 million, primarily related to capital expenditures for oil and gas properties.

Financing Cash Flows

Cash flows used in financing activities for the nine months ended September 30, 2011 were $29 thousand, primarily related to shareholder distributions of $0.3 million, partially offset by an advance received from the Manager of $0.3 million.

Cash flows used in financing activities for the nine months ended September 30, 2010 were $1.0 million, related to shareholder distributions.

Estimated Capital Expenditures

The Fund has entered into multiple agreements for the drilling and development of its investment properties. The estimated expenditures associated with these agreements can vary depending on the stage of development on a property-by-property basis. At September 30, 2011, the Fund had committed to spend an additional $18 thousand relating to its investment properties, none of which is expected to be spent during the next twelve months. See “Liquidity Needs” below.

Capital expenditures for investment properties were funded with the capital raised by the Fund in its private placement offering, which is all the capital it will obtain. The number of projects in which the Fund can invest was limited and each unsuccessful project the Fund experienced reduced its ability to generate revenue and exhausted its capital.

Liquidity Needs

The Fund has reached the end of its investment cycle. The Fund’s primary short-term liquidity needs are to fund its operations, inclusive of expenditures for its investment properties. Operations are funded utilizing operating income, existing cash on-hand and income earned therefrom.

Based upon its current reserve estimates, the Fund expects that its cash flows from operations may be supplemented with advances from the Manager to cover the Fund’s commitments and operations. During the third quarter 2011, in order to meet its working capital and operational needs, the Manager advanced the Fund $0.3 million. The Fund expects cash flows from operations will be sufficient to repay the Manager such advances and cover its commitments and ongoing operations for the next 12 months. Reserve estimates are projections based on engineering data that cannot be measured with precision, require substantial judgment, and are subject to frequent revision. The Fund may borrow from the Manager in the event of a working capital deficit, or temporary production stoppage causing the Fund’s wells to not produce cash flow from operations. At such time the Manager determines that the Fund is no longer capable of continuing to fund its operations, the Manager would elect to dissolve the Fund.

Distributions, if any, are funded from available cash from operations, as defined in the LLC Agreement, and the frequency and amount are within the Manager’s discretion. During 2009, the Manager elected to waive its right to distributions of available cash from operations for the remaining life of the Fund. During the second quarter 2011, the Manager suspended Fund distributions to shareholders and does not currently expect to resume distributions until such time that production levels provide available cash for distribution.

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Off-Balance Sheet Arrangements

The Fund had no off-balance sheet arrangements at September 30, 2011 and December 31, 2010 and does not anticipate the use of such arrangements in the future.

Contractual Obligations

The Fund enters into participation and joint operating agreements with operators. On behalf of the Fund, an operator enters into various contractual commitments pertaining to exploration, development and production activities. The Fund does not negotiate such contracts. No contractual obligations exist at September 30, 2011 and December 31, 2010 other than those discussed in “Estimated Capital Expenditures” above.

Recent Accounting Pronouncements

See Note 1 of Notes to Unaudited Condensed Financial Statements – “Organization and Summary of Significant Accounting Policies” contained in this Quarterly Report for a discussion of recent accounting pronouncements.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Not required.

ITEM 4. CONTROLS AND PROCEDURES

In accordance with Rules 13a-15 and 15d-15 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), the Fund’s management, including its Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of the Fund’s disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act) as of the end of the period covered by this report. Based on that evaluation, the Chief Executive Officer and Chief Financial Officer concluded that the Fund’s disclosure controls and procedures were effective as of September 30, 2011.

There has been no change in the Fund’s internal control over financial reporting that occurred during the three months ended September 30, 2011 that has materially affected, or is reasonably likely to materially affect, the Fund’s internal control over financial reporting.

PART II -OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

None.

ITEM 1A. RISK FACTORS

Not required.

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

None.

ITEM 3. DEFAULTS UPON SENIOR SECURITIES

None.

ITEM 4. (REMOVED AND RESERVED)

ITEM 5. OTHER INFORMATION

None.

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ITEM 6. EXHIBITS

EXHIBIT NUMBER	TITLE OF EXHIBIT	METHOD OF FILING

31.1	Certification of Robert E. Swanson, Chief Executive Officer of the Fund, pursuant to Exchange Act Rule 13a-14(a)	Filed herewith

31.2	Certification of Kathleen P. McSherry, Executive Vice President and Chief Financial Officer of the Fund, pursuant to Exchange Act Rule 13a-14(a)	Filed herewith

32	Certifications pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, signed by Robert E. Swanson, Chief Executive Officer of the Fund and Kathleen P. McSherry, Executive Vice President and Chief Financial Officer of the Fund.	Filed herewith

101.INS	XBRL Instance Document	*

101.SCH	XBRL Taxonomy Extension Schema	*

101.CAL	XBRL Taxonomy Extension Calculation Linkbase	*

101.LAB	XBRL Taxonomy Extension Label Linkbase	*

101.PRE	XBRL Taxonomy Extension Presentation Linkbase	*

* Pursuant to Rule 406T of Regulation S-T, these interactive data files are deemed not filed or part of a registration statement or prospectus for purposes of Sections 11 or 12 of the Securities Act of 1933 or Section 18 of the Securities Act of 1934 and otherwise are not subject to liability.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

				RIDGEWOOD ENERGY M FUND, LLC

Dated:	November 8, 2011	By:	/s/	ROBERT E. SWANSON
			Name:	Robert E. Swanson
			Title:	Chief Executive Officer
				(Principal Executive Officer)


Dated:	November 8, 2011	By:	/s/	KATHLEEN P. MCSHERRY
			Name:	Kathleen P. McSherry
			Title:	Executive Vice President and Chief Financial Officer
				(Principal Financial Officer)

Ridgewood Energy M Fund LLC 10-Q