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Deleted No Bidder 21st Century #1 Energies 2323 SS LLC A.G. Andrikopoulus Resources Inc Abo Petroleum Corp Abraxas Petro Corp Access Resources Inc Act Operating Co Adams, C.K. AEC Oil & Gas (USA) Inc AEXCO Petroleum Inc Alenco Oil & Gas (ND) Inc Alfson Energy Land Services LLC Allen & Kirmse Ltd Allen, R. Alliance Capital Real Estate Allison, Clay S. Alpha Development Corp Alpine Gas Co Alta Petroleum Inc Amaricen General Partnership Amerada Hess Corporation America West O&G Corp American Freehold Oil Corp American Land & Expl American O&G Corp AMI Corp Amirmex Inc Amoco Production Co Ampolex (Wyoming) Inc Anadarko E&P Co LP Anadarko E&P Onshore LLC Anderson Exploration Co Anderson Oil Ltd Anderson, Cindy K. Anderson, Donald B. Ltd Andex Resources LLC Andover Partners Anschutz Exploration Corp Anschutz Western Antares Exploration Fund LP Antelope Coal Company Antelope Energy Co LLC Antelope Land Services LLC Antler Creek Land & Minerals LLC Antonito Resources Inc Apache Corporation Apollo Operating LLC Arena Resources, LLC Arete Energy LLC Armstrong Res LLC Armstrong Wyoming LLC Armstrong, Michael D. Aspect Resources LLC Associated Resources Inc Atlantic Richfield Company Atomic Oil & Gas LLC ATX Energy Partners Agentco Inc August Oil LLC Avalanche Energy Inc Axem Energy Co Axiom Energy LLC Azalea Oil Co LLC B & P Investments et al B&A Properties LLC B2 Energy LLC Babcock & Brown Energy Inc Babcock, Meghan M. Badwater Properties LLC Baldwin Expl Corp Bale, G.L. Balidor Oil and Gas LLC Ballard Petroleum Holdings LLC Bannon Energy Inc Banta & Haigh Barlow & Haun Inc Barnes Land & Energy Co Barnes, Larry Petroleum Inc Barnhart Drilling Company Inc Barrett Resources Corp Barrett, Bill Corporation Barton, Jeanne Barton, Roy G. Jr. Barwin, John R. Baseline Minerals Inc Basile, Thomas M. Basin Exploration Inc Bass, Perry R. et al Bassham, Richard A. Jr. Bataa Oil Inc Bate, Richard H. Bayless, Robert L. Prod LLC Bayne Oil Co Inc Baytex Energy USA Ltd BDCI Bear Oil & Gas Inc Beartooth O&G Co Bechtold, G. D. Berco Resources Inc Berenergy Corporation Berryman, William M. Beryl Oil and Gas LP Beta Oil & Gas Inc Big Bear Oil & Gas Big Horn Development Big Horn Ventures Inc. Big West O&G Inc Bird, Ronald R. Bissell Oil Operating Co Inc Black Butte Resources LLC Black Diamond Energy Inc Black Hills Expl & Prod Inc Black Oak Energy LLC Black Oak Energy LLC Black Tooth Exploration LLC Blackjack Oil Inc Blackrock Oil and Gas LLC Blanco Company, The Blomquist, Randy Blue Devil Exploration LLC Blue Tip Energy Wyoming Inc Bluff Energy LLC BMR Montana LLC Boland Expl Co Bold Resources LLC Bollen & Assoc LLC Bolyard, Dudley W. Border Resources LLC Boyd, Thomas Boynton, S. Burritt BP America Production Co Bradley, Jack C. Jr. Bradshaw, Leslie Brame, R.M. III Brannon Oil & Gas Inc Brannon, Dwain Breene, James O. Jr BreitBurn Energy Co LLC Bright Star Energy SVS Inc Britton, Eric T. Bro Energy LLC Bromar Oil Co Brown, Maurice W. Brown, Tom Inc Brummett, Gerald BSO-GRB LLC BTA Oil Producers LLC Bull Moose Oil & Gas Inc Bull Run Acquisitions II LLC Bullock Corporation Bullock, Van K. Burke, Alicia J. Burlington Res O&G Burlington Resources O&G CO LP Burnett Oil Company Burr O&G Inc Butler, Samuel III Buttonwood Petroleum Inc BW Oil LLC BWAB Incorporated Cabot Oil & Gas Corp Caddis Resources Inc Calais Resources Co Calpine Natural Gas LP Camterra Resources Partner LTD Camwest Exploration LLC Canyon Isle Holdings LLC Capital Land Services Cardinal, Donald F. Carla Petroleum Inc Carlow Exchange Properties LLC Carlson, Joyce L. Carlyle Inc Carmony Expl LLC Carpenter & Sons Inc Carpenter, Dawn Cassens, Brian Cassidy American Resources LLC Catron, David L. Cavalier Petroleum Corporation CBM Properties LLC Cedar Mountain Holdings LLC Ceja Corporation Celsius Energy Company Cenex Inc Centennial Energy Century O&G South LLC Century Oil and Gas, LLC CER Corp CGS LLC CH4 Energy LLC Chabaud Management Co Chase Oil Corporation Chemily Mgt Co Chesapeake AEZ Exploration LLC Chesapeake Exploration LLC Chevron USA Inc Chisholm Resources Chorney Oil Company Cimarex Energy Co Cimarron O&G Inc Cinco Energy Services Cirque Resources LP Citation 1994 Invst CKT Energy LLC Clark, James F. Oil Properties Clove Hitch LLC Club Oil & Gas Ltd CLX Energy Inc CMS Oil & Gas Co Inc CNG Producing Company CNM Oil Properties Coastal O&G Corp Cockrell O&G LP Coleman O&G Inc Collins & Ware Inc Colorado Energy Minerals Inc Colorado Land Management LLC Combs, David E. Comet Energy Services LLC Coming Soon Common Energy Inc Commonwealth Energy (USA) Inc Condor Exploration LLC Conley Resources LLC Conley, George E. ConocoPhillips Co Conquest Energy LLC Contex Energy Company Continental Industries LC Continental Land Res LLC Continental Resources Cooper, Gerald G. Coral Production Corp Cornerstone Natural Res LLC Coronado Oil Co Corry, W. et al Coulter, Mike J. Cowboy Royalty Company LLC Cox, Gordon L. CP Resources Inc CPR Operations LP Cramer Oil Company Crawley Petroleum Corp Credo Petroleum Corp Cronin, Edward J. Cross Bow LLC Cross Canyon Partners LLC Cross Timbers Oil Co Crow Creek Resources LLC CTR Resources Inc Currie, Joe Cyanostar Energy Inc Cypress Energy Corporation Dakota Gas Co LLC Dakota-Tex Oil Company Darrah Oil Company Darrah, John Jay Daube Co David, Robert W. Davis Exploration LLC Davis Petroleum Corp Davis, Bobby J. Davis, Justin Dawursk, Ronald R. Dayfield LLC Delta Energy LLC Delta Petroleum Corp DEP Mineral Services Inc Desert Mining Inc Desert Moon Gas Company Deuel, Arch W. Deuel, Dana H. Dever Minerals LP Devlan Exploration Devon Energy Corp (Nevada) Devon Energy Prod Co LP Diamond D Operating Co LLC Diamond Energy LLC Diamond Oil LLC Diamond Resources Co Discovery Geoservices Discovery Petroleum LLC Diversified Operating Corp Diversified Title DJ Resources Holdings LLC DJB & L LLC DND Land Services LLC Dodson Expl Co Dodson, Steven Dolezal, George Jr Dorough, Thomas Trust Double Deuce Land & Min Inc Double Eagle Petroleum Co Douglas Energy LLC Douglass, Allan Drake Land Services LLC Drake, Lynn R. Droptine Energy LLC Drwenski, Vern Dry Creek Reserve Co Dudley & Assoc LLC Dudley, T.S. Land Co Inc Duffey, Ryan 2011 Trust Duncan Oil Partners E & B Natural Res Mgmt Corp Edge Energy II LLC Einarsen, Charles A. El Camino Res Inc El Paso Production Co Eland Energy Inc Elk Petroleum Inc Ellbogen Company II LLC, The Ellbogen, John P. Est Elliott, John P. Jr Ellwood Exploration LLC Elm Ridge Exploration Co EM Nominee Partnership Emerald Operating Company Emerald Sweetwater Empire Petroleum Corp EMR Energy Inc Emre Oil LLC Encana O&G (USA) Inc Energas Corp Energex LLC Energy & Expl Partners LLC Energy Consultants LLC Energy Investments Inc Energy Partners Nominee Co Energy West Corp Enervest Energy LP England Energy LLC Enron O&G Co Entek GRB LLC EOG (New Mexico) Inc EP Operating Company Ltd Equitable Resources Energy Co Equity Oil Co Equity Trust Company Estancia Petroleum Corp Eubank II, Carlyle C. Eucker, William III Evergreen Petroleum Co LLC Ewing Exploration Company Excalibur Energy Company Exco Resources Inc Exok Inc Exterra Resources LLC Exxon Corporation Fairway Oil & Gas LLC Falls Ranch LP Family Tree Corporation Fancher Res LLC Farleigh Oil Prop Farleigh, Bill D., Trustee Farmer Minerals LLC Farmer, Kenneth K. Faytek Ltd Federal Abstract Company Federal Resource Registry Fees, Walter S. Jr & Son O&G LLC Ferguson, Robert B. Fidelity Cap Funding Mngt LLC Fidelity Expl & Prod Co Finley Resources Inc Finley, James D. First City Oil & Gas LLC First Sourcenergy Wyoming Inc Fitzsimmons LLC Five Stones Resources LLC Flahive Oil & Gas Ltd Flavin, Matthew C. Flores, John V. Flying J O&G Inc Flyr, Dennis M. Forcenergy Gas Expl Ford Ranch Foreland Resources LLC Forest Oil Corp Fossil Creek Resources LLC Fossill Energy Group LLC Four G Oil Co Four G Oil Properties LLC Fowler, Robert G. Foxhole Resources LLC Frank Nilsen Energy Frazey, Richard E. Fredlund, John Free Oil and Gas Freeman Investments Front Range O&G LLC Frontier Expl Co Fullerton, James B. G & H Production Co et al Gadeco LLC Gadway, Keith L. Gafford, Harold R. Garhart, Jack W. Gas Holdings Inc Gas Tech Inc Gas Ventures LLC Gasconade Oil Co Gaston Expl Inc Gebo LLC Genereux, Mary J. Geo Recovery Systems Geospectrum Inc Gerald Powell/Gebo LLC Geyer, John S. Gibson, Dan H. Gibson, J.W. Gilmore Oil & Gas Gilmore, David W. Gisler, Patrick M. Glenwood Resources Inc GMT Exploration Co LLC Golden Energy Partners LLC Golden Eye Resources LLC Gram, Christine Grande Energy Company Gray, Edward F. Gray-Cullen, Vikki Grayson Mill Powder River LLC GRB Resources Inc Great Northern Gas Green River Gas Green River Resources Ltd Greenshell Energy Corp Grizzly NRG LLC GRMR Oil & Gas LLC Groce's Landing LLC Grove, Gerald F. Jr Groves, K. Deane Grundy, Robert J. & Assoc LLC Grynberg, Celeste Grynberg, Jack J. Guerrieri, Gary M. Gulf Coast O&G Co Gulf Exploration LLC Gundry-White D. Gungnir Resources LLC Guthrie, Michael T. GWJ Exploration LLC Haley, Brian L. Hall, Gary O. Hallador Petro LLP Hallock, A.R. & Co Hallwood Petro Inc Halstead Exploration Inc Hancock Enterprises Hando, Ronald E. Hannon & Assoc Inc Hanson & Strahn Inc Harnden, David B. Harrell Exploration Company Harvey Mineral Partners LP Harvey, M.J. Jr Hat Creek Resources LLC Hathaway, Gary Hauptman, Thomas W. Heidtbrink, John Heimmer, Don H. Heisner, William C. Jr Helis O&G CO LLC Western Div Hendrickson, Doyle D. Herbaly Exploration LLC Herbaly Petroleum Corp Herco, LLC Heritage Expl & Prod Herrmann, Brandon Eugene Herron, John H. Hesterwerth, Kathy A. HGB Oil Corp High Plains Associates High Story Ventures High West Resources, LTD Hilcorp Energy Company Hilcorp Energy Development LP Hilcorp Energy I LP Hill, Jerry P. Inc Hindsight O&G LLC HLA Royalties LLC Hodge, Mark E. Hoffman, Carol & Myrle Hoffman, Kerry P. Hogan, Dennis P. Jr. Hoinghaus, Robert F. Holland Acquisitions Inc. Holloway, Merle Holwegner, David W. Hooten, James E. Hoover & Stacy Inc Hoover, Jason R. Horizon Exploration Horizontal Res Corp Horn, Richard A. Horowitz, Rabbi Meyer Horseshoe Project Partners LP Hot Springs Res Ltd Houck Energy Resources Howell Petroleum Corp HR Energy LLC HRM Resources III LLC HS Resources Inc Hubbard, Kenneth L. Hudson Group LLC Hudson, Robert E. Hunt Oil Company Huntze, Raymond D. Hurley Oil Properties Inc Hurley, William G., Rev Trust Hutchinson, Gary L. Hyperion Oil & Gas LLC Ide, Robert C. Impact Agent Co Impact Energy Resources LLC Impala Resources LLC Incremental O&G (Silvertip) LLC Independent Prod Co Independent Title Infinity O&G Inc Infinity O&G of Wyoming Integra Energy Ltd Integrated Petroleum Corp International Petroleum LLC Interzone Energy Inc Intoil Inc Intrepid O&G LLC Intrepid Production Corp Irish 11, LLC Irish Oil & Gas Inc Iron Mtn Oil Prop Ironhorse Resources LLC Irwin, C. Dennis Jr J 3 Exploration J Mark Smith & Associates Inc Janco Res Inc Javelina Partners Jebco Expl LLC Jeffers, W. E. Revocable Trust JEM Trust Jims Water Service JJ Bunkirt Oil & Gas Co JK Minerals Inc JM Huber Corp JN Expl & Prod Ltd Joe Scott Enterprises Inc JOG Corp Johnson, Frederick S. Johnson, Grassel & Gorham LLC Johnson, Jerald B. Johnson, Norman L. II Joint Resources Company Jolen Operating Co Jones, Beatrice A. Jones, Vern Jordan Development Co LLC Julander Energy Co Jurus, William L. K2 Land Company LLC K2 Land Services K2T2 Resources LLC Kaiser-Francis Mid-Cont LP Kal Energy Corporation Kare Energy Inc Kastner, Monty W. KB Company KB Cronin Company LLC KCS Mountain Resources Inc KDP Energy LLC Keeler, Jerry Kelley, Scott D. Kellogg, K. Kirk Kemmerer Moon Energy Ptnrs LLC Kennedy Oil Kennedy, Jon P. Kenney, Robert J. Kentex Worland LLC Kerr-McGee Rocky Mtn Corp Kestrel Energy Inc Key Exploration Ltd Key Prod Company Inc Khody Land & Minerals Company Kidd Family Partnership Ltd Kilgore, Kerry Kimmeridge Energy Management Co, LLC King, John W. Kings X Oil Co LLC Kirkwood O&G LLC Kirkwood Resources LLC Kirkwood, Steven Et Al KKREP LLC Klabzuba O&G Family LTD Ptnrshp Klimek, Jason N. KNPRB Leases Inc Kobus, Joseph D. Kodiak Energy LLC Kodiak Oil & Gas (USA) Inc KOG, Inc Kraus, Gregory P. Kuenzler & Flora Reserve Corp Kulis, Richard W. L Cross Energy LLC L&J Operating Inc Lackey, Michael J. Lake Ronel Oil Co Lambert, Thomas J. Lance O&G Co Inc. Land Professionals Inc Land Resources USA, LLC Landco Energy Inc Lands Alliance Lang, Gene F. & Co Lange, Nixon Langham Petroleum LLC Laramide Expl. LLC Laramide LLC Laramie, David M. Largo Exploration Resources LLC Lario Oil & Gas Company Larson, Patsy Laser Expl Inc Lasrich, Lane LB Industries Inc LCM Ltd LLC Leavitt, Richard W. Ledder Expl Inc Legacy Energy Corp Legacy Energy Inc Legacy Reserves Operating LP Leh Whiskey Gulch LLC Leierer, Richard W. Liberty Petroleum Corp Lifetime Associates Inc Lim, Jose V. Lincoln Energy Holdings LLC Lincoln Land & Title LLC Lockridge, John P. Loco Loil Oil LLC Loma Energy Corp Lomax Exploration Co Lonetree Energy & Assoc LLC Lonewolf Energy Inc Loomis Acquisitions LLC Lopez, Peg Lost Cabin LLC Lougren, Kyle Loundagin, Nicholas B. Lousiana Land & Explo Co, The LRM Corp Lucken, John E. Luff, Kenneth D. Lyco Energy Corp M & K Oil Co Inc M & K Oil Co LLC M & M O&G Prop LLC Mac Energy LLC Macke, Tim E. Maddox Oil Prop Inc Madison O&G Madison River Exploration LLC Madrid, Louis S. Trust Magnolia Oil Company Magnum Producing LP Mak-J Energy Wyoming LLC Mallin, Lisa A. Mar Ventures Inc Marathon Oil Company Marcus Corp Marico O&G Co Mariner Energy Inc Markus Production Inc MarkWest Energy Partners LTD Marlin Oil Co LLC Marshall & Winston Inc Martin Oil & Gas, LLC Martin Real Estate Co Martinez, Kirk D. Martini Oil & Gas, LLC Mason Resources Inc Massey, J.E. Masterson, James Trst Matador Resources Co Matthes Trust, James F. Maurice W. Brown O&G LLC Maxim Drilling & Exploration Inc Mayer, Dale MBI Oil & Gas, LLC MBOGO Energy LLC McBride Oil & Gas Corporation McCauley, Adam McColloch, Michael M. McDaniel, Duane M. McDonald Land Services LLC McElvain Energy LLC McElvain, T.H. O&G Ltd McGinley, Tab McGlashan, Jacqueline J. MCL 1 Oil and Gas Wyoming LLC McLean, James D. McLeod, Douglas C. McLish, H.P. MCM Exploration Co LLC McMahon Energy Partners, LP McMahon, Joseph K. Jr McMahon-Bullington McMurry Energy Co McMurry Oil Company McVey, Hal D. Meagher Oil & Gas Prop Inc Meany Land & Expl Inc Meath LLC Meckel, L.D. & Co Medallion Expl Medicine Bow Res Melange Assoc Inc Melange International LLC Mendell Finisterre I LLC Meramar Co Merback, F.H. Merchant Bankers Meridian Oil Inc Merit Energy Co Merit Mgmt Partners I LP Merit Mgmt Partners III LP Et Al Merkert, John N. Merrion O&G Corp Merschat Minerals LLC Mesa Operating Co Methane Resources Group Ltd MH7 Minerals LLC Michael, R.C. Co Inc Michiwest Energy Inc Miles Petro Corp Milestone Consulting Inc Millennium O&G LLC Miller & Tack LLC Miller, Randall J. Miller, Terence S. Minnoco Inc Miro LLC Mission Oil Corp Missouri Basin Well Ser Inc Mitchell, Charles L. Mitchell, John F. Mobil Oil Corporation Mon Oil Inc Moncrief Oil & Gas Master LLC Moncrief Partners LP Moncrief, W.A. Jr Montana Oil Properties Moonbeam Entpr LLC Moran, E.W. Drilling Company Morenergy Expl Co Morgan, Harry L. Morningstar Energy Inc Morton, Dan C. Morton, Jayne Living Trust By J Morton, Warren A. Moses, John Q. Mountain Energy LLC Mountain States Fuels Inc Mountain West Energy LLC MTG Operating Co Muddy Mineral Exploration LLC Murer, Christian F. Mustang Energy Resources LLC MYCO Industries NA28 Minerals LLC Nance Petroleum Corp Natural Gas Processing Co Nautilus Oil & Gas Co LLC Navigation Petroleum LLC Navigation Powder River LLC Nearco Energy Inc Nelson Brokerage Group Inc Nelson, Douglas E. Nerd Enterprises Inc Nerd Gas Co LLC Nessalk Energy Inc Nessinger, Frank W. Neumiller, Wayne Nevada Petroleum Co New Century Production Co LLC New Frontier Energy New York Gas & Oil Drilling Co Newfield Production Co Newman, Tamy L Newton Land & Oil Prop Newton, Charles Nexgen Oil & Gas LLC Niebrugge, Thomas W. Nielsen, Hans T. Nielson & Assoc Inc Noble Energy Inc Noll, R. Evan Noonan Land Services Inc Noonan, Thomas J. Normil, Jeffry Norra Resources LLC North Alameda LLC North Amer Explorer Inc North Amer Petro LC North American Resources Co North Central Oil Corporation North Finn LLC Northland Properties LLC Northstar Energy CO LLC Northwoods Land Inc Norton, Richard L. Nova Leasing LLC Nova Natural Resources Corp Nucor O&G Inc Nye, Clark W. O'Brien, Duncan M. O'Connell, R.K. O'Neal Resources Corporation Obourn, John L. Jr Obourn, William C. Obrien Energy Res Corp Ocean Energy Inc Oedekoven Water & Hot Oil Service Ogle, Morris E. OGM Resources Ohmart, Walter A. Jr Oil Properties Holding Limited OilCo Oildigger Resources Fund Okreek Oil and Gas LLC Old Fort Oil Corp Olds, David V. B. Oliver, Danny Oliver, John E. Jr. Onyx Energy LLC Orion Energy Partners LP Osage Partners, LLC Osage Resources Osborn Heirs Co Ltd Ossidiana Corp Ostlund, Mary V. Outcrop Petroleum (US) LTD Outerbridge, Robert J. (JRO) Over the Hill Land Svcs LLC Overstreet, Jack F. Oxbow Properties Inc Oxy USA WTP LP P&M Petro Mgmt LLC Pacer Energy Acquisitions LLC Pacer Energy LLC Padon, Patrick J. Padon, Richard Paine Petroleum Co LLC Paine, Joseph JC Pajaro Energy LLC Palo Production Corp Palone, Billy Jim Pandora Co Pannonian Energy Inc Panterra Petroleum Panther Creek Resources LLC Panther Energy Company III LLC Papulak, Kay Parous Energy LLC Pasque, Brian K. Passport Energy Inc Patterson, M. T. Patton, Deanne J. Paupers Dream Company Peak Powder River Acquisitions, LLC Peak Powder River Res LLC Peak Resource Mgmt Inc Peakview Energy Company LLC Pedersen Oil & Gas Inc LLC Peel, Daniel E. Pennaco Energy Inc Pensar Petroleum LLC Percheron Professional Svcs LLC Peterson, Joe Peterson, William S. Petra Energy Inc Petral Expl LLC Petro Atlas Corporation Petro Energy Inc Petro-Hunt Corporation Petro-Sentinel LLC Petrogulf Corporation Petrolero Corporation Petroleum Inc Petroleum Land Services LLC Petrorep Inc Petroro Corporation Petrox Res Inc Pettit, W.O. PGC LLC Phoenix Capital Group Holdings LLC Phoenix Oil & Gas LLC Phoenix Production Co Pickering, Richard Pine Haven Resources LLC Pioneer Oil & Gas PJ Petroland LLC Plains E&P Co Plains Petroleum Operating Co Pomeroy-Walker Porterfield, K.R. Poudre Production Properties Powder River Resources LLC Powell, City of PRE Resources LLC Prenalta Corporation Presidio Exploration Inc Presley, O.D. Preston Reynolds & Co Inc PRH Holdings, LLC Pride Energy Company Prima Expl Inc Prima Oil & Gas Co Primary Fuels LLC Primary Natural Resources Inc Principle Petro Partners LLC Priority O&G LLC Prisem Geoscience Consult LLC Providence Oil Development LLC Pumpkin Cat Enterprises LLC Pyr Energy Corp QEP Energy Company Quantum Energy Queenester, Oghene Questar Expl & Prod Co Quicksilver Resources Inc R&R Royalty LTD Rancher Energy Corp Randleman, Dennis D. Randolph, Rex L. Raven Oil Prop Raven Petroleum LLC Ray, Charles Raymond Oil Company Inc RBJ Oil LLC Rebellion Energy II, LLC Red Cloud Expl LC Red River O&G LLC Red Willow Great Plains LLC Redstone Res Inc Redwine Resources Inc Reed, Bruce F. Regal O&G Inc Reliance Energy-Northern Dance Reliance Oil Company LLC Reliance Res Inc Reliant Energy Inc Remuda Energy Dev LLC Renos Land & Minerals CO LLC Republic Energy Inc Resource Dev Techlgy LLC Retamco Operating Inc Richardson Prod Co Richland Resources Ridge Energy Partners LLC Ridgeland Oper Co LLC Ridgeland Wyoming Inc Riley Ridge LLC Rim LLLP Rincon Exploration LLC Rio Blackwood LLC Rio Challenger LLC Riptide Energy LLC Riptide II RM Energy LLC Roam Resources, LLC Rock Creek Oil Co Inc Rockies Resources Agent Corp Rockies Resources Holding LLC Rocky Mountain Exploration Inc Rocky Mtn Land & Leasing LLC Roden, John B. Jr Roff Oil & Gas Ltd Ronadero Company Inc Rose, Jane M. Rose, Joseph S. Jr Rose, Norma Royal Energy Resources Inc Royal Oil LLC Royalty Investment LTD Inc RTE Land Inc Rubenstein, Irwin Runaway Scrape LLC Rupkey, Tracy Ryan Exploration Inc Ryan, Jerry Ryan, Richard W. S&R Consulting LLC Safford Expl Inc Saga Petroleum Corp Sage O&G LLC Samedan Oil Corp Samson Oil and Gas USA Inc Samson Resources Co Sanali Mines & Minerals LLC Santa Fe Snyder Corp Santee Inc Sapp, Walter W. Sauter, Douglas K. Savant Resources LLC Sawyer, Paul & Lynn Rev Trust Sawyer, Paul F. SBG Forever Inc Schaefer, Hugh V. Schalla, Robert A. Schmid Properties Inc Scholl, Robert G. Schuh, Robert Schulz, Donald R. Schuricht, Kenneth M. Scorpio Resources Sealey, Randy L. Sears, W.A. Jr Sellers, Mary C. Settle, Craig Seven Sisters Oil & Gas LLC Shackelford Oil Properties Inc Shadco Shama Zoe Ltd Partnership Sharbro Energy LLC Sharpe, Howard O. Shelby Oil Co Shiloh Exploration LLC Shogrin, F. L. Sierchio, Joseph Signal Hill Company LLC Silver Eagle Explor Inc Simon, Pat M. Sims, Frank C. Simunek, Steve Sinclair Oil Corporation Sinclair, John W. Sindbad Partnership Sitka Oil and Gas LLC Skinner O&G LLC Sklarco LLC Skull Creek A LLC Slawson Exploration Company SM Energy Company Smith, Rian K. Smith, Rodney L. Snyder Oil Corp Soccoro Properties LLC Source Energy LLC South Pass Petroleum Inc Southland Royalty Company LLC Southwestern Eagle LLC Southwestern Prod Corp Spear, Howell Spear, Shane Specht, Ralph Spencer, Russell A. Spring, Thomas L. Springfield Oil Company St Anselm Exploration Co St John, Robert D. St Mary Land & Expl Stanley Energy Inc Staroil Inc Starwood Inc Steele Energy LLC Stephens Energy Company LLC Stephens Land Services Inc Stephens Prod Co Continental P Stephens Production Co Stewart, Ron Stone & Wolf LLC Stone Energy Corporation Stone, Charrie K. Stone, David K. Stonebriar Energy LLC Stout St LLC Stovall Oil Co Stove Creek Oil Strachan Expl Inc Strata O&G Company LLC Strider Resources Co Stroock, Thomas F. Stroud Exploration Company LLC Sullivan, Don C. Sullivan, Gerald T. Jr Sullivan, James Summit O&G Inc Summit Partners LLC Summit Resources Inc Summitt Ventures Inc Sun West Oil & Gas Sunburst Exploration Inc Suncor Ene Nat Gas America Inc Sundance Energy Inc Sundance Resources LLC Sunray Minerals Inc Sunshine Valley Petro Corp Surprise Valley Resources LLC Survivor Oil Co SW Oil & Gas Co Swanson & Morris LLC Swanson Drilling Co LLC Swanson Production Co LLC Swepi LP Swift Energy Co Swift Energy Operating LLC Synergy Operating LLC T Bar S LLC T-C Company LLC T-DO LLC T-K Production Company Tandem LLC Tatham, Judene M. Taubert Energy LC TBI Production Inc TC Craighead & Co TDB Resources LP Teergas Resources Corporation Ten Point Energy Inc Teocali Energy LLC Termo Co Tessaro, Joseph Teton Resources LLC Teton Royalty Co Texaco Expl & Prod Inc Texas Independent Exploration Texhoma Land Consultants Inc Thomasson Ptnr Assoc Thoren Enterprises LP Thorofare Res Inc Thrive Energy LLC Thunder Basin Resources LLC Thunder Hill Expl LLC Timberlake Management Corp Timberline Prod Co LLC Tinker, Mike A. Titan Exploration LLC Titan Resources Corp TOC Oil Inc Todco Properties Inc Todd, Rachel Tofte, Steve A. Tonka Oil & Gas Prod Inc Top Brass Oil Properties Inc Torch Energy Advisors Townsend Company Inc TR Energy Inc Trachyte Oil Co Trail Energy LLC Transcontinent Oil Co Transglobe O&G Corp Transworld Systems Petroleum I Treasure Resources Inc Tricontinental Res Trident Oil & Gas LLC Trinity Energy & Minerals Co Trinity Lake LLC Triple J Oil & Gas LLC Trona Energy II LLC Trono, Stephen Anthony True Oil LLC Trujillo, Ann M. Trujillo, Rosita S. Turtle Mesa Energy LLC Twenty O Five Corp Twiford Intl Inc Tyee Production LLC Tyrex Oil Co Tyvo LLC Ulta Wyoming LLC Ultra Petroleum USA Inc Ultra Resources Inc Ultra Wyoming LLC UMC Petroleum Corp Union Oil & Gas, LLC Union Oil Company of CA Union Pacific Resources Co United Natural Gas LLC Unknown Bidder UPL Pinedale LLC US Ore Corp Utter, Gordon S. V A Resources LLC Valencia Rhodes Valkyrie Resources Partners LLC Valladolid, Gus Valor Exploration Vaquero Energy Inc Vaquero Partners I LP Varhus, Daniel V. Vastar Resources Inc Vaughn O&G Explor Inc Vaydik, Frank Vecta Oil & Gas Ltd Vector Minerals Corp Verity, David Vermilion Energy USA LLC Vessels Oil & Gas Co VF Neuhaus Prop Inc Viking Oil Co Vortex Petroleum Inc Voyager Expl Inc VTOC Energy Inc Wadi Petroleum, Inc. Wagner & Brown LTD Walker, Huntington T. Walker, Keith F. O&G LLC Walker, Paul Wang, Donald P. Warren Resources Inc Warrior Energy Holdings Inc Washington Energy Exploration Inc Wasson, Edward B. Wave Petroleum LLC Webster, Bruce Wellborn, Robert E. Wells Petroleum Inc Wells, Donnell O. Wells, James T. Wellstar Corp Wes State Lands Inc West Bay Expl Co Westcliff Resources LLC Westech Energy Corp Western American Resources LLC Western Energy Resources Inc Western Gas Resources Western Interior O&G Corp Western Land & Cattle Western Land Services Inc Western Mineral Search Inc Western Production Company Westland Charter LLC Westland Energy Inc Westport O&G Co LP Wexpro Company Wexpro Development Company White Eagle Exploration Inc White Energy Corp White, Philip L. Whitehead, Albert E. Whiting Oil & Gas Corp Whitmar Exploration Co Whitney, Marvin Wianno LTD Wiepking-Fullerton Wilbanks Resources Corp Wildcat Energy Development LLC Wildfire Ptnr Inc Wilkerson, Leon Michael Williams, J. Winston Williams, Ted H. Wilson, John F. Wilson, Larry E. Wilson, Scott A. Wind River Hydrocarbons Inc Winfield Exploration Winona Oil Company Witmac O&G Inc WLR Inc WM Cowboys LLC Wolcott LLC Wold Ene Ptnrs LLC Wold Oil Properties Holdco, Inc Wold Oil Properties Inc Wolf Haven Corp Wolter Oil Co Wolverine Gas & Oil Corp Wood, Neil R. Woods, John World Marketing Inc WRB Petroleum Inc Wright, Chris Writer, Hal Wroble, John L. Living Trust WY Explo Partners 1990 Ltd Wychgram, Daniel C. Wymond, Tyler R. Wyotex Drilling Ventures LLC Wyotex Oil Co XPR Wyoming LLC XS Energy LLC Yancey, Ty Yates Petroleum Corporation Yegen, E. C. Yockim, Dennis W. Zavanna Resources LLC Zenergy Inc Zenith Petroleum Corp Zerbst, Robert Zimmerman, Robert Jr. Zinke & Trumbo Inc Zone Exploration Inc