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, 2012 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, 2013 [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: 53 Form 13F Information Table Value Total: $727,029 (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 ANADARKO PETROLEUM CORP. COM 032511107 22,293 300,000 SH SOLE 300,000 APACHE CORP. COM 037411105 12,560 160,000 SH SOLE 160,000 BAKER HUGHES, INC. COM 057224107 2,450 60,000 SH SOLE 60,000 CF INDUSTRIES HOLDINGS, INC. COM 125269100 17,079 84,069 SH SOLE 84,069 CHEVRON CORP. COM 166764100 93,000 860,000 SH SOLE 860,000 CLIFFS NATURAL RESOURCES INC. COM 18683K101 5,476 142,000 SH SOLE 142,000 CONOCOPHILLIPS COM 20825C104 15,947 275,000 SH SOLE 275,000 DEVON ENERGY CORP. COM 25179M103 7,025 135,000 SH SOLE 135,000 DOW CHEMICAL CO. COM 260543103 17,776 550,000 SH SOLE 550,000 E.I. DUPONT DE NEMOURS AND CO. COM 263534109 5,621 125,000 SH SOLE 125,000 ENERGEN CORP. COM 29265N108 7,891 175,000 SH SOLE 175,000 EOG RESOURCES, INC. COM 26875P101 18,722 155,000 SH SOLE 155,000 EQT CORP. COM 26884L109 8,257 140,000 SH SOLE 140,000 EXXON MOBIL CORP. COM 30231G102 124,063 1,433,430 SH SOLE 1,433,430 FMC CORP. COM 302491303 13,460 230,000 SH SOLE 230,000 FMC TECHNOLOGIES, INC. COM 30249U101 4,283 100,000 SH SOLE 100,000 FOREST OIL CORP. COM 346091705 1,161 173,500 SH SOLE 173,500 FREEPORT-MCMORAN COPPER & GOLD COM 35671D857 16,655 487,000 SH SOLE 487,000 HALLIBURTON CO. COM 406216101 14,830 427,500 SH SOLE 427,500 HESS CORP. COM 42809H107 11,916 225,000 SH SOLE 225,000 HOLLYFRONTIER CORP. COM 436106108 2,793 60,000 SH SOLE 60,000 KINDER MORGAN INC COM 49456B101 8,832 250,000 SH SOLE 250,000 LYONDELLBASELL INDUSTRIES N.V. SHS-A N53745100 7,650 134,000 SH SOLE 134,000 MARATHON OIL CORP. COM 565849106 5,365 175,000 SH SOLE 175,000 MARATHON PETROLEUM CORP. COM 56585A102 11,970 190,000 SH SOLE 190,000 MIDSTATES PETROLEUM CO., INC. COM 59804T100 1,722 250,000 SH SOLE 250,000 NABORS INDUSTRIES, LTD. SHS G6359F103 1,720 119,000 SH SOLE 119,000 NATIONAL FUEL GAS CO. COM 636180101 5,069 100,000 SH SOLE 100,000 NATIONAL OILWELL VARCO, INC. COM 637071101 17,087 250,000 SH SOLE 250,000 NEW JERSEY RESOURCES CORP. COM 646025106 10,222 258,000 SH SOLE 258,000 NEWFIELD EXPLORATION CO. COM 651290108 2,142 80,000 SH SOLE 80,000 NOBLE ENERGY, INC. COM 655044105 19,331 190,000 SH SOLE 190,000 OASIS PETROLEUM, INC. COM 674215108 4,770 150,000 SH SOLE 150,000 OCCIDENTAL PETROLEUM CORP. COM 674599105 27,580 360,000 SH SOLE 360,000 OIL STATES INTERNATIONAL, INC. COM 678026105 10,016 140,000 SH SOLE 140,000 PEABODY ENERGY CORP. COM 704549104 5,387 202,440 SH SOLE 202,440 PHILLIPS 66 COM 718546104 14,603 275,000 SH SOLE 275,000 PIONEER NATURAL RESOURCES CO. COM 723787107 10,659 100,000 SH SOLE 100,000 POTASH CORP OF SASKATCHEWAN COM 73755L107 9,766 240,000 SH SOLE 240,000 PRAXAIR, INC. COM 74005P104 16,418 150,000 SH SOLE 150,000 QEP RESOURCES, INC. COM 74733V100 4,995 165,000 SH SOLE 165,000 QUESTAR CORP. COM 748356102 4,076 206,300 SH SOLE 206,300 ROYAL DUTCH SHELL SPONS ADR A780259206 3,510 50,903 SH SOLE 50,903 SCHLUMBERGER LTD. COM 806857108 43,306 625,000 SH SOLE 625,000 SEADRILL LTD. SHS G7945E105 7,360 200,003 SH SOLE 200,003 SOUTHWESTERN ENERGY CO. COM 845467109 1,838 55,000 SH SOLE 55,000 SPDR GOLD TRUST GOLD SHS 78463V107 12,151 75,000 SH SOLE 75,000 SPECTRA ENERGY CORP. COM 847560109 1,561 57,012 SH SOLE 57,012 TECK RESOURCES LTD. CL B 878742204 7,270 200,000 SH SOLE 200,000 TRANSOCEAN LTD. REG SHS H8817H100 7,591 170,000 SH SOLE 170,000 WEATHERFORD INT'L. LTD REG H27013103 4,476 400,000 SH SOLE 400,000 WILLIAMS COMPANIES, INC. COM 969457100 13,096 400,000 SH SOLE 400,000 WPX ENERGY, INC. COM 98212B103 2,232 150,000 SH SOLE 150,000 727,029