CHEVRON U. S. A. INC. | 3,574,711 | 15,471,768 |
VENOCO, INC. | 2,177,406 | 20,821 |
JETTA OPERATING COMPANY, INC. | 1,843,840 | 140,899 |
EXPORT PETROLEUM CORPORATION | 1,575,130 | 0 |
XTO ENERGY INC. | 1,457,330 | 5,157,887 |
HEAPE EXPLORATION, INC. | 999,128 | 5,289 |
GRAYSON PETROLEUM COMPANY | 933,613 | 0 |
SHELL WESTERN E&P INC. | 899,753 | 51,558 |
LITTLE, QUINTIN COMPANY,INC.,THE | 895,201 | 230,824 |
FELDERHOFF PRODUCTION COMPANY | 876,093 | 0 |
BLACK OIL COMPANY, INC. | 861,496 | 3,382,941 |
CONTINENTAL OPERATING CO. | 801,856 | 12,337 |
BRAMMER SUPPLY, INC. | 795,805 | 528,547 |
HEP OIL COMPANY, LTD. | 689,180 | 51,659 |
BLACKWELL BMC, LLC | 687,127 | 0 |
PRECISION OPERATING INC. | 641,664 | 440,883 |
CHOLLA PETROLEUM, INC. | 620,816 | 23,274 |
BLS PRODUCTION CO., INC. | 589,246 | 0 |
ATEX EXPLORATION & OPERATING CO. | 416,495 | 0 |
BARON EXPLORATION CO. | 413,947 | 0 |
HEP OIL GP, LLC | 405,673 | 34,784 |
BLACKWELL BMC, LP | 395,273 | 0 |
DOOLAREE CORPORATION | 380,286 | 923,605 |
YOUNGER ENERGY COMPANY | 325,052 | 1,475,666 |
ATOKA OPERATING, INC. | 319,036 | 4,087,482 |
SAMSON LONE STAR LP | 313,058 | 3,320,397 |
CHESAPEAKE OPERATING, INC. | 263,374 | 286,831 |
JACO, TROY INC. | 261,697 | 75,570 |
M-B OPERATING CO., INC. | 252,730 | 2,692,653 |
ELAND ENERGY, INC. | 234,836 | 0 |
BKM PRODUCTION | 230,533 | 2,597,473 |
BRECK OPERATING CORP. | 219,135 | 23,020 |
WAGNER & BROWN, LTD. | 214,601 | 0 |
BRAMMER PETROLEUM, INC. | 213,238 | 105,881 |
SILVER CREEK OIL & GAS, LLC | 207,643 | 15,592 |
SNUGGS OIL COMPANY | 181,462 | 0 |
SAMSON LONE STAR, LLC | 163,437 | 1,069,643 |
TAYLOR & SMITH | 147,285 | 0 |
LONGFELLOW ENERGY, LP | 144,432 | 0 |
HUNT OIL COMPANY | 140,143 | 2,123,746 |
CHARTER OAK PRODUCTION CO., LLC | 132,423 | 378,630 |
PHOENIX PETROCORP, INC. | 124,953 | 0 |
OKT RESOURCES, LLC | 123,955 | 0 |
DEVON ENERGY CORPORATION(NEVADA) | 121,194 | 380,073 |
HARPER, WAYNE | 121,069 | 287,655 |
ORSBURN, WADE INC. | 120,337 | 0 |
SPENCE ENERGY COMPANY | 117,326 | 0 |
TEXACO E & P INC. | 109,046 | 38,376 |
SEITZ, J. R. & ADAM, LTD. | 104,030 | 0 |
MACK ENERGY CO. | 93,610 | 0 |
WITHROW ENGINEERING, INC. | 87,943 | 0 |
H & S PRODUCTION, INC. | 86,205 | 1,528,432 |
ROWLAND TANK TRUCK COMPANY | 84,447 | 0 |
WINCHESTER PRODUCTION COMPANY | 83,592 | 0 |
ST. MARY OPERATING COMPANY | 80,219 | 41,893 |
STAUB, LARRY, INC. | 76,172 | 0 |
ADECO ENERGY CORPORATION | 76,020 | 0 |
BRIDWELL OIL CO. | 75,642 | 0 |
P-R-O MANAGEMENT, INC. | 75,305 | 0 |
GINNINGS COMPANY | 69,034 | 0 |
MAYO, DANNY | 68,194 | 0 |
BETTIS, BOYLE & STOVALL | 67,113 | 0 |
CLARK, HARVEY | 65,019 | 0 |
APACHE CORPORATION | 61,561 | 42,288 |
GORDON OIL COMPANY, INC. | 58,340 | 482,358 |
JONES, L. E. OPERATING, INC. | 57,821 | 2,097 |
SAMSON HYDROCARBONS COMPANY | 55,047 | 515,737 |
SILVER CREEK RESOURCES, LLC | 53,157 | 9,021 |
SAMSON RESOURCES COMPANY | 49,405 | 797,398 |
BEND PETROLEUM CORP. | 47,531 | 234,042 |
SLAWSON EXPLORATION COMPANY, INC | 46,414 | 0 |
PENNZOIL PETROLEUM COMPANY | 41,361 | 196,459 |
RYDER SCOTT OIL COMPANY | 40,759 | 0 |
PRICE, W. H. & SONS | 38,965 | 0 |
MIDLAND OIL AND GAS, INC. | 38,891 | 0 |
INDIAN OIL COMPANY, INC. | 38,605 | 0 |
ARGUS PRODUCTION COMPANY | 38,062 | 0 |
BIFFLE, JIMMY JACK | 37,199 | 0 |
MCCOMMONS OIL COMPANY | 37,045 | 0 |
LARSON, PERRY L OPERATING CO INC | 36,119 | 1,697,221 |
AOG, INC. | 35,804 | 0 |
D-S-B PROPERTIES, INC. | 35,336 | 0 |
EP OPERATING LIMITED PARTNERSHIP | 33,919 | 0 |
OKLAHOMA COC, INC. | 33,098 | 232,565 |
BARNES BROS. - PROPERTIES | 32,845 | 0 |
CHAMP OPERATING COMPANY | 31,096 | 0 |
LEONARD, PATRICIA ANNE | 29,962 | 0 |
KAISER-FRANCIS OIL COMPANY | 29,133 | 0 |
GRAY OPERATING COMPANY, INC. | 28,620 | 0 |
SEITZ, J. R. & ADAM | 28,372 | 0 |
SNUGGS OIL COMPANY, INC. | 28,284 | 0 |
GAYNOR OIL CO. | 27,403 | 0 |
ENSERCH EXPLORATION, INC | 27,176 | 0 |
MAVERICK PRODUCTION | 26,418 | 0 |
GRUY PETROLEUM MANAGEMENT CO. | 26,268 | 0 |
GERMANY OPERATING COMPANY | 26,015 | 0 |
CROSS TIMBERS OPERATING COMPANY | 25,411 | 0 |
EAGLE OIL & GAS CO. | 25,301 | 0 |
DIAMOND S ENERGY COMPANY | 24,981 | 0 |
HOLDEN ENERGY CORPORATION | 24,793 | 175 |
DIMOCK OPERATING COMPANY | 23,678 | 0 |
RYDER SCOTT MANAGEMENT, LLC | 23,561 | 0 |
DEVON ENERGY PRODUCTION CO, L.P. | 22,780 | 101,645 |
FP INC. | 22,561 | 135,568 |
JONES, L. E. PRODUCTION CO. | 22,379 | 15,438 |
HUBER, J. M., CORPORATION | 22,085 | 0 |
B M ENERGY, INC. | 21,853 | 0 |
D C ENERGY, INC. | 19,125 | 0 |
MAGUIRE OIL COMPANY | 18,621 | 0 |
TEXAS EXPLORATION & PROD. CO. | 18,470 | 0 |
KIMBELL OIL COMPANY OF TEXAS | 18,138 | 0 |
EXCO RESOURCES, INC. | 17,691 | 0 |
STB ENERGY INC. | 17,021 | 0 |
BLACKWELL EXP & DEVELOPMENT, LLC | 15,387 | 2,445 |
KEPCO OPERATING, INC. | 15,080 | 0 |
STARLIGHT RIDGE | 15,015 | 0 |
LAGUNA PETROLEUM CORPORATION | 14,667 | 0 |
BELCO ENERGY CORP. | 13,591 | 0 |
ENERGY DEVELOPMENT CORP. | 13,499 | 0 |
STAUB, LARRY | 13,346 | 0 |
ARIES OPERATING, LP | 12,635 | 28 |
BRISCO, W. M. | 12,350 | 0 |
BURK ROYALTY COMPANY | 10,495 | 0 |
KINGERY DRILLING CO., INC. | 10,254 | 0 |
BC OPERATING, INC. | 10,191 | 0 |
3-T EXPLORATION, INC. | 9,740 | 0 |
KALER OIL COMPANY | 8,975 | 0 |
CODA ENERGY, INC. | 8,905 | 0 |
TEXCEL EXPLORATION, INC. | 7,554 | 0 |
HESS, JERRY OPERATING CO. | 7,131 | 0 |
AURORA EXPLORATION & PROD CO | 6,425 | 0 |
HEAPE, GENE G. | 6,317 | 8,521 |
PETROCORP INCORPORATED,A TX.CORP | 5,958 | 0 |
MILLER E & P LP | 5,931 | 58,790 |
GEODYNE OPERATING COMPANY | 5,869 | 7,421 |
NICHOLS, IRL. A. TRUST B | 5,801 | 0 |
TRINITY BAY OIL & GAS, INC. | 5,726 | 0 |
DOUBLE EAGLE PETROLEUM CORP | 5,677 | 0 |
HEADINGTON OIL COMPANY | 5,579 | 0 |
CONTINENTAL EXPORT CORPORATION | 5,569 | 0 |
SAMEDAN OIL CORPORATION | 5,070 | 0 |
T. & O.DRLG.CO. & BROWNLOW,LEROY | 4,823 | 0 |
PIKECO INC | 4,769 | 0 |
WALSH, F H JR. OPERATING CO. INC | 4,618 | 0 |
TRAIL RIDGE ENERGY PARTNERS, LLC | 4,476 | 0 |
MOSS PETROLEUM COMPANY | 4,357 | 11,442 |
OZARK EXPLORATION, INC. | 4,349 | 0 |
WESTBROOK OIL & GAS CO. INC. | 4,122 | 0 |
ENERVEST OPERATING, L.L.C. | 4,075 | 0 |
HEADINGTON OIL COMPANY, L.P. | 3,822 | 0 |
BAYTIDE PETR. INC. | 3,446 | 0 |
STREET, SPENCER B., JR. | 3,438 | 0 |
SPARLIN, ROWENA H. | 3,361 | 0 |
RUSSELL & GILBREATH OIL CO. | 3,229 | 0 |
C.W.W. | 3,175 | 0 |
STAR-JET CO. | 3,171 | 0 |
B-K OPERATING | 3,064 | 0 |
MCMURREY, R. J., PRODUCTION COMP | 3,009 | 0 |
BOMAR OIL & GAS, INC. | 2,977 | 0 |
LOMAK PRODUCTION COMPANY | 2,751 | 27,583 |
GOINGS OIL & GAS | 2,740 | 0 |
IPACT | 2,686 | 0 |
ARROW OIL & GAS, LLC | 2,472 | 0 |
LIVE OAK GAS COMPANY | 2,434 | 0 |
HOUTCHENS, D. D. | 2,424 | 0 |
DELEK ENERGY SYSTEMS US, INC. | 2,353 | 0 |
H.L. CLARK OIL COMPANY LLC | 2,318 | 0 |
AXIS OIL AND GAS CORPORATION | 2,236 | 0 |
NEWTON CORP.,THE | 2,173 | 0 |
POOLE, P. J. | 2,083 | 0 |
ARIES OPERATING, LLC | 2,028 | 0 |
HOWCO ENERGY, INC. | 1,862 | 0 |
KEPCO. INC. | 1,668 | 0 |
VINCUS INVESTMENT COMPANY | 1,521 | 0 |
T.&O. DRILLING CO., INC. | 1,515 | 0 |
HEADLINE RESOURCES, INC. | 1,446 | 0 |
CAMBRIAN MANAGEMENT LTD | 1,397 | 0 |
CONTINENTAL TREND RESOURCES, INC | 1,321 | 0 |
STEPHENS & JOHNSON OPERATING CO. | 1,316 | 0 |
GANT, WALTER H., ESTATE | 1,000 | 0 |
NOR-TEX GAS CORPORATION | 975 | 0 |
SCHLACHTER, DAVID A. | 894 | 0 |
WESTPORT OIL AND GAS COMPANY, LP | 888 | 0 |
FULTZ OIL COMPANY | 876 | 0 |
RPM PETROLEUM, LLC | 816 | 0 |
FAR WEST DEVELOPMENT, LLC | 805 | 0 |
COPE OIL COMPANY | 769 | 0 |
CH-SEON INC. | 748 | 0 |
NAUTILUS EXPLORATION, INC. | 672 | 0 |
S.B. STREET OPERATING, INC. | 598 | 0 |
PURCELL, DANNY A. | 573 | 0 |
UNIT PETROLEUM COMPANY | 462 | 0 |
TAT, INC. | 385 | 0 |
PERKINS-PROTHRO COMPANY | 312 | 0 |
C.E. HOLDINGS, LLC | 300 | 0 |
MOUSSE PETROLEUM | 271 | 0 |
CORPENING, JOE F. | 228 | 0 |
REYNOLDS, FRED | 216 | 0 |
EMBAR RESOURCES, INC | 128 | 0 |
CHURCH EXPLORATION, INC | 49 | 0 |
REYNOLDS, FRED ESTATE | 14 | 0 |
WHITING PETROLEUM CORPORATION | 0 | 0 |
DUNNE EQUITIES OPERATING, INC. | 0 | 0 |
EOG RESOURCES, INC. | 0 | 0 |
GRA-PAC | 0 | 0 |
WESTOKE ENERGY CORPORATION | 0 | 0 |
VANDER/GRAHAM EXPLORATION, INC. | 0 | 0 |
SUPASO, INC. | 0 | 0 |
VIOLA PROD., INC. | 0 | 0 |
SAND SPRINGS OIL & GAS CO. | 0 | 364,584 |
LOCH EXPLORATION, INC. | 0 | 0 |
WOLSEY WELL SERVICE, INC. | 0 | 0 |
TEXAS LAND & PETRO CO., LLC | 0 | 0 |
BABER, BILL M. | 0 | 0 |
HUNTINGTON ENERGY, L.L.C. | 0 | 0 |
J & C OPERATING COMPANY | 0 | 0 |
TEXAS MERIDIAN OPERATING CO.,INC | 0 | 0 |
BRANNAN, R. & SONS | 0 | 0 |
EDC-LAKE RONEL | 0 | 0 |
BHEB OIL AND GAS CO. | 0 | 314,556 |
SCANLON, JACK W. | 0 | 0 |
BW CONSULTING COMPANY INC. | 0 | 0 |
BLUE STAR ENERGY, INC. | 0 | 0 |
SWEETGRASS ENERGY | 0 | 0 |
BRAZOS PETROLEUM, INC. | 0 | 0 |