| GEYE | INTERSTATE EXPLORATIONS LLC | $1.6 M |
| SMITH, M. O. | KLH OIL & GAS, INC. | $1.3 M |
| TABER, W. R. | KLH OIL & GAS, INC. | $1.3 M |
| WEST MARION E. | SOUTHWEST GAS SYSTEMS, INC. | $1.2 M |
| MADISON, FRANK H. "C" | SOUTHWEST GAS SYSTEMS, INC. | $1.1 M |
| MADISON "B" | SOUTHWEST GAS SYSTEMS, INC. | $919 k |
| HOLT, C. F. | SOUTHWEST GAS SYSTEMS, INC. | $850 k |
| CHAMBERS, M. | CROSS CUT PETROLEUM, LLC | $807 k |
| GOLSON, N.A. | CWC OIL & GAS, LLC | $751 k |
| CULBERSON | SHADY OIL CO. | $748 k |
| FORD, HENRY M. | SOUTHWEST GAS SYSTEMS, INC. | $741 k |
| BUCY, BETTY "A" | SOUTHWEST GAS SYSTEMS, INC. | $681 k |
| WATKINS, C. P. | SOUTHWEST GAS SYSTEMS, INC. | $652 k |
| THOMPSON | SOUTHWEST GAS SYSTEMS, INC. | $638 k |
| WESSON | CEDAR RIDGE ENERGY, INC. | $631 k |
| CULBERSON, A. B. | SHADY OIL CO. | $574 k |
| SWINNEY, A.B. | CREEK ENERGY, INC. | $540 k |
| MURPHY,E.L. | YELLOW ROSE OIL & GAS OPER. INC. | $516 k |
| THOMPSON | SOUTHWEST GAS SYSTEMS, INC. | $465 k |
| BUCY "A" | SOUTHWEST GAS SYSTEMS, INC. | $456 k |
| RUSSELL | CREEK ENERGY, INC. | $436 k |
| GUTHRIE | 4 J'S PRODUCTION | $412 k |
| WESSON | CEDAR RIDGE ENERGY, INC. | $406 k |
| WILLETT | 3 S PRODUCTION, INC. | $392 k |
| WILLIAMS, H. C. | SOUTHWEST GAS SYSTEMS, INC. | $385 k |
| WADELL | BROADWAY PETROLEUM COMPANY, LLC | $381 k |
| DAY, DOLORES | SOUTHWEST GAS SYSTEMS, INC. | $378 k |
| STONE, JENNIE | SOUTHWEST GAS SYSTEMS, INC. | $377 k |
| MADISON, FRANK H. "F" | SOUTHWEST GAS SYSTEMS, INC. | $368 k |
| BURCHAM | ANDERSON PRODUCTION | $368 k |
| PITCOCK CATTLE COMPANY "C" | PITCOCK, INC. | $363 k |
| WYNN | MISSION ENERGY INC. | $362 k |
| MITCHELL, L. P. | R & D OPERATING, INC. | $344 k |
| TAYLOR B.L. | TEJAS PETROLEUM RESOURCES, LLC | $343 k |
| WILLIAMS H.C. -B- | SOUTHWEST GAS SYSTEMS, INC. | $337 k |
| BAHLS | CEDAR RIDGE ENERGY, INC. | $337 k |
| KING | SOUTHWEST GAS SYSTEMS, INC. | $336 k |
| WESSON | CEDAR RIDGE ENERGY, INC. | $330 k |
| WILLIAMS, H. C. | SOUTHWEST GAS SYSTEMS, INC. | $328 k |
| WESSON | CEDAR RIDGE ENERGY, INC. | $301 k |
| LEWIS, DELMER | PARATUS PETROLEUM LLC | $299 k |
| MURPHREE, W.E. | SOUTHWEST GAS SYSTEMS, INC. | $298 k |
| THOMPSON | SOUTHWEST GAS SYSTEMS, INC. | $295 k |
| NEWTON, L.E. | SOUTHWEST GAS SYSTEMS, INC. | $292 k |
| TONGATE, JERRY C. | BRUCE OGLETREE LLC | $291 k |
| BUCY, BETTY "A" | SOUTHWEST GAS SYSTEMS, INC. | $287 k |
| HENSON, M. M. | ANDERSON PRODUCTION | $281 k |
| MAHAFFEY,VERDNA | SOUTHWEST GAS SYSTEMS, INC. | $278 k |
| WHITE FRED | SHADY OIL CO. | $278 k |
| BUCY, BETTY "A" | SOUTHWEST GAS SYSTEMS, INC. | $275 k |
| STONE JENNIE | SOUTHWEST GAS SYSTEMS, INC. | $271 k |
| STEWART BILLY V. | SOUTHWEST GAS SYSTEMS, INC. | $265 k |
| WHITE C. M. | SOUTHWEST GAS SYSTEMS, INC. | $258 k |
| FERGERSON | SOUTHWEST GAS SYSTEMS, INC. | $256 k |
| DAY DOLORES | SOUTHWEST GAS SYSTEMS, INC. | $252 k |
| NICHOLS, GLADYS | SOUTHWEST GAS SYSTEMS, INC. | $249 k |
| COX | CWC OIL & GAS, LLC | $245 k |
| BUCY, BETTY "D" | SOUTHWEST GAS SYSTEMS, INC. | $245 k |
| MADISON, FRANK H. "C" | SOUTHWEST GAS SYSTEMS, INC. | $243 k |
| HARDWICK, HATTIE | SOUTHWEST GAS SYSTEMS, INC. | $242 k |
| KILGORE, W. F. | SOUTHWEST GAS SYSTEMS, INC. | $235 k |
| THOMPSON | SOUTHWEST GAS SYSTEMS, INC. | $231 k |
| WINDHAM,J.H. | K & W VANPELT COMPANY | $231 k |
| WILLIAMS,J. S. | GAS CORPORATION OF AMERICA | $225 k |
| VOORHIES MAURINE | BAYOU OPERATING COMPANY, INC. | $222 k |
| DOSS, RUTH | ANEJO PRODUCTION, LLC | $222 k |
| WESSON | CEDAR RIDGE ENERGY, INC. | $219 k |
| BECK, J. | SOUTHWEST GAS SYSTEMS, INC. | $217 k |
| WHITE FRED | SHADY OIL CO. | $215 k |
| BAHLS | CEDAR RIDGE ENERGY, INC. | $214 k |
| TAYLOR, B. L. | TEJAS PETROLEUM RESOURCES, LLC | $212 k |
| KILGORE, W. F. | SOUTHWEST GAS SYSTEMS, INC. | $209 k |
| MITCHELL, L.& P. | R & D OPERATING, INC. | $207 k |
| RINGHOFFER A. H. | BAYOU OPERATING COMPANY, INC. | $205 k |
| COX, OLETA N. | SOUTHWEST GAS SYSTEMS, INC. | $203 k |
| HARRIS, V. (B) | SUB SURFACE OPERATIONS | $203 k |
| WHEELER T.B. & W.L. | SOUTHWEST GAS SYSTEMS, INC. | $197 k |
| OLIVER STEEL-JENNY BELL FISHER A | BRUCE OGLETREE LLC | $196 k |
| O'BRYAN, W. P. | CEDAR RIDGE ENERGY, INC. | $196 k |
| OLIVER STEEL-JENNY BELL FISHER A | BRUCE OGLETREE LLC | $193 k |
| HAYS, TOM -A- | CEDAR RIDGE ENERGY, INC. | $192 k |
| WILLIAMS H. C. | SOUTHWEST GAS SYSTEMS, INC. | $189 k |
| BIBBY, J. C. | SOUTHWEST GAS SYSTEMS, INC. | $189 k |
| DAY DELORES | SOUTHWEST GAS SYSTEMS, INC. | $187 k |
| NICHOLS DOROTHY | SOUTHWEST GAS SYSTEMS, INC. | $185 k |
| NEWBURY, J. L. ESTATE | MOGUL RESOURCES, LLC | $182 k |
| PITCOCK CATTLE COMPANY "C" | PITCOCK, INC. | $181 k |
| NICHOLS, GLADYS -A- | SOUTHWEST GAS SYSTEMS, INC. | $179 k |
| BOOTH CREEK | BRUCE OGLETREE LLC | $177 k |
| MURPHREE W. E. | SOUTHWEST GAS SYSTEMS, INC. | $176 k |
| BIBBY, J.C. | SOUTHWEST GAS SYSTEMS, INC. | $174 k |
| WILLIAMS, G. W. | SOUTHWEST GAS SYSTEMS, INC. | $174 k |
| WILLIAMS G.W. | SOUTHWEST GAS SYSTEMS, INC. | $173 k |
| RINGHOFFER, A.H. | SOUTHWEST GAS SYSTEMS, INC. | $172 k |
| ANGEL | SOUTHWEST GAS SYSTEMS, INC. | $169 k |
| NEWTON B | SHADY OIL CO. | $165 k |
| NEWTON, L.E. | SOUTHWEST GAS SYSTEMS, INC. | $160 k |
| O'BRYAN | CEDAR RIDGE ENERGY, INC. | $160 k |
| BIBBY, J.C. | SOUTHWEST GAS SYSTEMS, INC. | $158 k |
| NEWTON, ROSS J. | PARATUS PETROLEUM LLC | $157 k |
| THOMAS W.G. | BROWN INDUSTRIAL GAS OP, INC. | $156 k |
| HORTON, R. A. | BAYOU OPERATING COMPANY, INC. | $155 k |
| ALLCORN, H. L., ET AL | SOUTHWEST GAS SYSTEMS, INC. | $149 k |
| DAY DOLORES | SHADY OIL CO. | $147 k |
| STEPHENS, J. | LOS HIJOS DE SANCHEZ J LLC | $143 k |
| LEVIE OLD "A" | BOB HUGHES OIL COMPANY, LLC | $140 k |
| F S & D "A" | BC EXPLORATION, LLC | $139 k |
| F.S. & D. "A" | BC EXPLORATION, LLC | $138 k |
| F S & D "A" | BC EXPLORATION, LLC | $136 k |
| YOUNG & YARBROUGH | SHADY OIL CO. | $136 k |
| TAYLOR, B. L. | TEJAS PETROLEUM RESOURCES, LLC | $133 k |
| LUCAS, R. W. -A- | SHADY OIL CO. | $123 k |
| MATSON, P. I. | SOUTHWEST GAS SYSTEMS, INC. | $122 k |
| LEWIS, CURTIS | PARATUS PETROLEUM LLC | $122 k |
| MATSON, P.I. | SOUTHWEST GAS SYSTEMS, INC. | $120 k |
| NEWTON, L. E. | SOUTHWEST GAS SYSTEMS, INC. | $119 k |
| STEPHENS, J. | LOS HIJOS DE SANCHEZ J LLC | $118 k |
| TONGATE, JERRY C. | BRUCE OGLETREE LLC | $115 k |
| PETROSS T.L. | SOUTHWEST GAS SYSTEMS, INC. | $111 k |
| NEWTON, A. J. "B" | SHADY OIL CO. | $110 k |
| WILLIAMS H.C.-B- | SOUTHWEST GAS SYSTEMS, INC. | $108 k |
| MCBEE, JOHNNY | MCBEE, JOHNNY | $108 k |
| EMMONS | DOUBLE PLAY OIL & GAS, INC | $108 k |
| RANKIN-BATES | BAYOU OPERATING COMPANY, INC. | $106 k |
| NEWTON, L.E. | SOUTHWEST GAS SYSTEMS, INC. | $106 k |
| WHITE C.M. | SOUTHWEST GAS SYSTEMS, INC. | $106 k |
| NICHOLS, GLADYS | 2 W PETROLEUM | $103 k |
| PITCOCK CATTLE COMPANY "C" | PITCOCK, INC. | $102 k |
| BROWN | CEDAR RIDGE ENERGY, INC. | $101 k |
| BUCY, BETTIE | REACH OIL | $99 k |
| BUCY, BETTIE | REACH OIL | $99 k |
| VOORHIES MAURINE | SOUTHWEST GAS SYSTEMS, INC. | $97 k |
| LARRY, GEORGE | OTEX LLC | $96 k |
| GEORGE, LARRY | OTEX LLC | $96 k |
| K F O | BC EXPLORATION, LLC | $94 k |
| THRIFTY BOURN RANCH | TEJAS JACK SALES, INC. | $94 k |
| K F O | BC EXPLORATION, LLC | $93 k |
| NEWTON A | SHADY OIL CO. | $91 k |
| WHITE C M | SOUTHWEST GAS SYSTEMS, INC. | $90 k |
| WESSON | CEDAR RIDGE ENERGY, INC. | $90 k |
| STEWART BILLY V. | SOUTHWEST GAS SYSTEMS, INC. | $88 k |
| GEORGE, LARRY | OTEX LLC | $87 k |
| HUGGINS N. M. | BROWN INDUSTRIAL GAS OP, INC. | $87 k |
| MITCHAM G.P. | LEVISAY OPERATING CO. | $87 k |
| SAWYER | SHADY OIL CO. | $85 k |
| SAWYER | SHADY OIL CO. | $85 k |
| BOYSEN, S F | R & D OPERATING, INC. | $84 k |
| YOUNG & YARBROUGH | SHADY OIL CO. | $81 k |
| TAYLOR, B.L. | TEJAS PETROLEUM RESOURCES, LLC | $79 k |
| LARRY, GEORGE | OTEX LLC | $77 k |
| YOUNG & YARBROUGH | SHADY OIL CO. | $73 k |
| CHANDLER, FRANCIS | ARNOT, W. G., JR. | $73 k |
| BATES | BAYOU OPERATING COMPANY, INC. | $66 k |
| BATES | BAYOU OPERATING COMPANY, INC. | $66 k |
| BATES | BAYOU OPERATING COMPANY, INC. | $66 k |
| OXY-EMMONS | DOUBLE PLAY OIL & GAS, INC | $65 k |
| T&L PROPERTIES, LTD. | R & D OPERATING, INC. | $62 k |
| BYLER, H. | RINGO RIG LLC | $61 k |
| BUCY, BETTY "A" | SOUTHWEST GAS SYSTEMS, INC. | $60 k |
| TURNER, J. B. | SOUTHWEST GAS SYSTEMS, INC. | $60 k |
| NEWSOM, MACK | TEJAS JACK SALES, INC. | $56 k |
| MURPHY,E.L. | YELLOW ROSE OIL & GAS OPER. INC. | $55 k |
| BOYSEN, S.F. | R & D OPERATING, INC. | $54 k |
| SOHIO-EMMONS | DOUBLE PLAY OIL & GAS, INC | $52 k |
| CAMP & PARKS | SOUTHWEST GAS SYSTEMS, INC. | $51 k |
| WELLS L.D. "A" | BROWN INDUSTRIAL GAS OP, INC. | $49 k |
| MARTIN WILLIE B. | BROWN INDUSTRIAL GAS OP, INC. | $45 k |
| NICHOLS, O. H. -A- | PETROLIA GROUP, L.L.C. | $42 k |
| LEACH FRED M. | PETROLIA GROUP, L.L.C. | $42 k |
| WELLS L.D. | BROWN INDUSTRIAL GAS OP, INC. | $41 k |
| LEACH, FRED M. | BROWN INDUSTRIAL GAS OP, INC. | $40 k |
| ADAMS, B. J. | BROWN INDUSTRIAL GAS OP, INC. | $40 k |
| WILLIAMS H. C. | SOUTHWEST GAS SYSTEMS, INC. | $40 k |
| MYRICK, JACK | BRUCE OGLETREE LLC | $37 k |
| FURRY M. | FURRY, M. M. | $33 k |
| BOYSEN, S.F. | R & D OPERATING, INC. | $32 k |
| ROBERTS, LEE | R & D OPERATING, INC. | $30 k |
| STEWART BILLY V. | SOUTHWEST GAS SYSTEMS, INC. | $30 k |
| BOYSEN, S.F. | R & D OPERATING, INC. | $30 k |
| BOYSEN, S.F. | R & D OPERATING, INC. | $29 k |
| GROOMS, CLEO -B- | BROWN INDUSTRIAL GAS OP, INC. | $26 k |
| GROOMS, CLEO -A- | PETROLIA GROUP, L.L.C. | $25 k |
| LEWIS, CURTIS | CWC OIL & GAS, LLC | $24 k |
| NEWTON B | SHADY OIL CO. | $23 k |
| FOREMAN, ADDIE | TOMCO OIL & GAS INC. | $22 k |
| SEWARD | LOS HIJOS DE SANCHEZ J LLC | $22 k |
| SOHIO-EMMONS | DOUBLE PLAY OIL & GAS, INC | $22 k |
| FLETCHER | NORTHCUTT, L. O. | $22 k |
| NICHOLS O. H. | PETROLIA GROUP, L.L.C. | $21 k |
| HERMAN, GEORGE "B" | PRAIRIE PRODUCTION | $19 k |
| BOURN | TEJAS JACK SALES, INC. | $18 k |
| B.THOMAS-BROWN | FURRY PRODUCING COMPANY | $17 k |
| EAST GROSVENOR | SHADY OIL CO. | $16 k |
| HUBBARD | DENTECO OIL COMPANY LLC | $16 k |
| SEWARD, NEVA | AGROIL, INC. | $14 k |
| BOWEN,A.J. | SUBSURFACE PRODUCTION, INC. | $14 k |
| STANLEY, R. | J.W.S. | $12 k |
| STANLEY, R. | J.W.S. | $12 k |
| STANLEY, R. | J.W.S. | $12 k |
| STANLEY, R. | J.W.S. | $11 k |