UNITED STATES SECURITIES & EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: September 30, 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 October 28, 2011 [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: 48 Form 13F Information Table Value Total: $632,816 (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 7,637 100,000 SH SOLE 100,000 ANADARKO PETROLEUM CORP. COM 032511107 11,664 185,000 SH SOLE 185,000 APACHE CORP. COM 037411105 12,036 150,000 SH SOLE 150,000 BAKER HUGHES, INC. COM 057224107 9,924 215,000 SH SOLE 215,000 CF INDUSTRIES HOLDINGS COM 125269100 8,646 70,069 SH SOLE 70,069 CHEVRON CORP. COM 166764100 86,969 940,000 SH SOLE 940,000 CLIFFS NATURAL RESOURCES COM 18683K101 7,266 142,000 SH SOLE 142,000 CONOCOPHILLIPS COM 20825C104 22,162 350,000 SH SOLE 350,000 CONSOL ENERGY INC. COM 20854P109 1,571 46,300 SH SOLE 46,300 DEVON ENERGY CORP. COM 25179M103 7,484 135,000 SH SOLE 135,000 DOW CHEMICAL CO. COM 260543103 13,476 600,000 SH SOLE 600,000 ENERGEN CORP. COM 29265N108 7,565 185,000 SH SOLE 185,000 EOG RESOURCES INC. COM 26875P101 7,811 110,000 SH SOLE 110,000 EQT CORP. COM 26884L109 8,538 160,000 SH SOLE 160,000 EXXON MOBIL CORP. COM 30231G102 98,663 1,358,430 SH SOLE 1,358,430 FMC CORP. COM 302491303 8,991 130,000 SH SOLE 130,000 FOREST OIL CORP. COM 346091705 2,880 200,000 SH SOLE 200,000 FREEPORT-MCMORAN COPPER COM 35671D857 15,682 515,000 SH SOLE 515,000 HALLIBURTON CO. COM 406216101 16,023 525,000 SH SOLE 525,000 HESS CORP. COM 42809H107 13,115 250,000 SH SOLE 250,000 KINDER MORGAN INC COM 49456B101 6,472 250,000 SH SOLE 250,000 MARATHON OIL CO. COM 565849106 2,805 130,000 SH SOLE 130,000 MARATHON PETROLEUM CORP. COM 56585A102 2,706 100,000 SH SOLE 100,000 MDU RESOURCES GROUP, INC. COM 552690109 5,738 299,000 SH SOLE 299,000 NABORS INDUSTRIES, LTD SHS G6359F103 1,459 119,000 SH SOLE 119,000 NATIONAL FUEL GAS CO. COM 636180101 8,519 175,000 SH SOLE 175,000 NATIONAL OILWELL VARCO COM 637071101 12,805 250,000 SH SOLE 250,000 NEW JERSEY RESOURCES COM 646025106 11,920 280,000 SH SOLE 280,000 NEWFIELD EXPLORATION COM 651290108 4,366 110,000 SH SOLE 110,000 NOBLE ENERGY INC. COM 655044105 15,930 225,000 SH SOLE 225,000 NORTHEAST UTILITIES COM 664397106 6,730 200,000 SH SOLE 200,000 OASIS PETROLEUM, INC. COM 674215108 3,349 150,000 SH SOLE 150,000 OCCIDENTAL PETROLEUM COM 674599105 25,025 350,000 SH SOLE 350,000 OIL STATES INTERNATIONAL COM 678026105 7,129 140,000 SH SOLE 140,000 PEABODY ENERGY CORP. COM 704549104 7,508 221,600 SH SOLE 221,600 PIONEER NATURAL COM 723787107 7,892 120,000 SH SOLE 120,000 POTASH CORP OF COM 73755L107 12,491 289,000 SH SOLE 289,000 PRAXAIR, INC. COM 74005P104 14,022 150,000 SH SOLE 150,000 QEP RESOURCES, INC COM 74733V100 5,414 200,000 SH SOLE 200,000 QUESTAR CORP COM 748356102 2,768 156,300 SH SOLE 156,300 ROYAL DUTCH SHELL SPONSORED ADR A 780259206 20,842 338,783 SH SOLE 338,783 SCHLUMBERGER LTD COM 806857108 34,345 575,000 SH SOLE 575,000 SOUTHWESTERN ENERGY COM 845467109 6,666 200,000 SH SOLE 200,000 SPECTRA ENERGY CORP. COM 847560109 5,122 208,812 SH SOLE 208,812 TECK RESOURCES LTD CL B 878742204 5,838 200,000 SH SOLE 200,000 TRANSOCEAN LTD. REG SHS H8817H100 10,405 217,953 SH SOLE 217,953 WEATHERFORD INT'L. LTD REG H27013103 5,494 450,000 SH SOLE 450,000 WILLIAMS COMPANIES, INC. COM 969457100 10,953 450,000 SH SOLE 450,000 632,816