UNITED STATES SECURITIES & EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: December 31, 2011 Check here if Amendment [ ];Amendment Number: This amendment (Check only one.) :[ ] is a restatement. [ ] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: Petroleum & Resources Corporation Address: 7 St. Paul Street, Suite 1140 Baltimore, MD 21202 Form 13F File Number: 28-596 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: Christine M. Sloan Title: Assistant Treasurer Phone: (410) 752-5900 Signature, Place, and Date of Signing: /s/ Christine M. Sloan Baltimore, MD February 14, 2012 [Signature] [City, State] [Date] Report Type (Check only one.): [X] 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.) [ ] 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).) [ ] 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).) Form 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 49 Form 13F Information Table Value Total: $732,656 (in thousands) List of Other Included Managers: Provide a numbered list of the name (s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report. NONE COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8 NAME OF ISSUER TITLE CUSIP VALUE SHRS OR SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY OF CLASS (x $1000) PRN AMT PRN CALL DISCRETN MANAGER SOLE SHARED NONE AIR PRODUCTS & CHEMICALS COM 009158106 8,519 100,000 SH SOLE 100,000 ANADARKO PETROLEUM CORP. COM 032511107 20,991 275,000 SH SOLE 275,000 APACHE CORP. COM 037411105 13,587 150,000 SH SOLE 150,000 BAKER HUGHES, INC. COM 057224107 10,458 215,000 SH SOLE 215,000 CF INDUSTRIES HOLDINGS, INC. COM 125269100 10,159 70,069 SH SOLE 70,069 CHEVRON CORP. COM 166764100 100,016 940,000 SH SOLE 940,000 CLIFFS NATURAL RESOURCES COM 18683K101 8,854 142,000 SH SOLE 142,000 CONOCOPHILLIPS COM 20825C104 25,504 350,000 SH SOLE 350,000 CONSOL ENERGY INC. COM 20854P109 1,699 46,300 SH SOLE 46,300 DEVON ENERGY CORP. COM 25179M103 8,370 135,000 SH SOLE 135,000 DOW CHEMICAL CO. COM 260543103 15,818 550,000 SH SOLE 550,000 ENERGEN CORP. COM 29265N108 9,250 185,000 SH SOLE 185,000 EOG RESOURCES INC. COM 26875P101 10,836 110,000 SH SOLE 110,000 EQT CORP. COM 26884L109 7,671 140,000 SH SOLE 140,000 EXXON MOBIL CORP. COM 30231G102 115,141 1,358,430 SH SOLE 1,358,430 FMC CORP. COM 302491303 11,185 130,000 SH SOLE 130,000 FOREST OIL CORP. COM 346091705 2,710 200,000 SH SOLE 200,000 FREEPORT-MCMORAN COPPER & GOLD COM 35671D857 18,947 515,000 SH SOLE 515,000 HALLIBURTON CO. COM 406216101 14,753 427,500 SH SOLE 427,500 HESS CORP. COM 42809H107 14,200 250,000 SH SOLE 250,000 KINDER MORGAN INC. COM 49456B101 8,042 250,000 SH SOLE 250,000 MARATHON OIL CORP. COM 565849106 3,805 130,000 SH SOLE 130,000 MARATHON PETROLEUM CORP. COM 56585A102 5,826 175,000 SH SOLE 175,000 MDU RESOURCES GROUP, INC. COM 552690109 5,987 279,000 SH SOLE 279,000 MOLYCORP, INC. COM 608753109 2,153 89,800 SH SOLE 89,800 NABORS INDUSTRIES, LTD. SHS G6359F103 2,063 119,000 SH SOLE 119,000 NATIONAL FUEL GAS CO. COM 636180101 9,171 165,000 SH SOLE 165,000 NATIONAL OILWELL VARCO COM 637071101 16,997 250,000 SH SOLE 250,000 NEW JERSEY RESOURCES COM 646025106 13,776 280,000 SH SOLE 280,000 NEWFIELD EXPLORATION COM 651290108 3,018 80,000 SH SOLE 80,000 NOBLE ENERGY INC. COM 655044105 21,238 225,000 SH SOLE 225,000 NORTHEAST UTILITIES COM 664397106 7,214 200,000 SH SOLE 200,000 OASIS PETROLEUM, INC. COM 674215108 4,364 150,000 SH SOLE 150,000 OCCIDENTAL PETROLEUM COM 674599105 30,453 325,000 SH SOLE 325,000 OIL STATES INTERNATIONAL COM 678026105 10,692 140,000 SH SOLE 140,000 PEABODY ENERGY CORP. COM 704549104 7,337 221,600 SH SOLE 221,600 PIONEER NATURAL COM 723787107 8,948 100,000 SH SOLE 100,000 POTASH CORP OF SASKATCHEWAN COM 73755L107 11,930 289,000 SH SOLE 289,000 PRAXAIR, INC. COM 74005P104 16,035 150,000 SH SOLE 150,000 QEP RESOURCES, INC. COM 74733V100 5,860 200,000 SH SOLE 200,000 QUESTAR CORP. COM 748356102 3,104 156,300 SH SOLE 156,300 ROYAL DUTCH SHELL SPONSORED ADR A 780259206 19,499 266,783 SH SOLE 266,783 SCHLUMBERGER LTD. COM 806857108 39,278 575,000 SH SOLE 575,000 SEADRILL LTD. SHS G7945E105 6,636 200,003 SH SOLE 200,003 SOUTHWESTERN ENERGY COM 845467109 6,388 200,000 SH SOLE 200,000 SPECTRA ENERGY CORP. COM 847560109 6,421 208,812 SH SOLE 208,812 TECK RESOURCES LTD. CL B 878742204 7,038 200,000 SH SOLE 200,000 WEATHERFORD INT'L. LTD. REG H27013103 5,856 400,000 SH SOLE 400,000 WILLIAMS COMPANIES, INC. COM 969457100 14,859 450,000 SH SOLE 450,000 732,656