OPERATORS · RRC 489781

Lavanco Engy, Inc

62 PERMITS · PAGE 1 OF 2 · BY ISSUE DATE

IssuedPermitTypeCountyLease / wellDepthStatusAPIOperator change
Jan 12, 2006612059DrillTom GreenKent #18115,000Final completion45132499Now Carburante Exploration Co Ltd.
Nov 8, 2005608949DrillMartinJohnson, Ted #20110,000Final completion31734617Now COG Operating LLC
Aug 30, 2005603920ReenterTom GreenSalty Nose #15,370Final completion45101111Now Lavanco Energy Ltd.
Feb 28, 2005558177RecompletionIrionTsrh #11368,700Final completion23531713—
Oct 19, 2004552481ReenterCrockettJones, E K #14,000—10535478—
Oct 19, 2004552481ReenterCrockettJones, E. K. #14,500Final completion10535478—
Jul 30, 2004548945DrillSuttonEspy #17,000Unperforated completion43537002Now Rlo Partnership
Nov 13, 2003538358ReenterIrionTsrh #11368,600—23531713—
Nov 13, 2003538358ReenterIrionTsrh #11368,800Final completion23531713—
Aug 8, 2003534992DrillCokeSefcik #15,450Plugged dry hole (P&A)08131814—
Jul 7, 2003533669DrillCokeMays, Elna #16,500Plugged dry hole (P&A)08131813—
Nov 5, 2002525205RecompletionCraneBarnsley "C" #12,970—10310286—
Sep 9, 2002523055RecompletionIrionPipeline "57" #29,200Final completion23532957—
Nov 13, 2001514451RecompletionCraneBarnsley -A- #23,000Final completion10310250Now Martin Jimmy Inc
Oct 22, 2001514453RecompletionCraneBarnsley "F" #23,000Final completion10310292—
Jun 26, 2001510635RecompletionIrionRocker "B" Ranch #18,950Final completion23532259Now Viola Prod. Inc.
Nov 7, 1997469751DrillIrionLinthicum "24" #47,500Final completion23533711Now Los Hijos de Sanchez J LLC
Nov 7, 1997469750DrillIrionLinthicum "24" #37,500Final completion23533712—
Jun 25, 1997463863RecompletionIrionLinthicum, E. H. #28,500Final completion23532255Now Socorro Exploration Inc.
Jun 19, 1997463976RecompletionCrockettJones, E.K. #1RHH11,700Final completion10535478Acquired from Union Pacific Resources Company
Jan 10, 1997457185DrillIrionLinthicum "24" #27,500Final completion23533624Now Los Hijos de Sanchez J LLC
Jan 10, 1997457184DrillIrionLinthicum "24" #17,500Final completion23533623Now Los Hijos de Sanchez J LLC
Jan 10, 1997457183DrillIrionLinthicum "1223" #29,000Final completion23533621Now Sem Operating Company LLC
Jan 10, 1997457182DrillIrionLinthicum "1223" #17,500Final completion23533622Now Breck Operating Corp.
Jul 15, 1996450008DrillNolanSouth Lake Trammel Unit #625,900Final completion35332438Now Grayrock Energy II LLC
Jul 9, 1996450000DrillNolanSouth Lake Trammel Unit #635,900—35332439—
Jul 9, 1996449999DrillNolanSouth Lake Trammel Unit #615,900—35332440—
Jul 9, 1996449998DrillNolanSouth Lake Trammel Unit #605,900Plugged dry hole (P&A)35332441—
Jun 17, 1996449341DrillNolanSouth Lake Trammel Unit #645,700Final completion35332435Now Grayrock Energy II LLC
Dec 12, 1995442619DrillNolanSouth Lake Trammel Unit #585,500Final completion35332373Now Grayrock Energy II LLC
Dec 12, 1995442618DrillNolanSouth Lake Trammel Unit #595,500—35332372Now Grayrock Energy II LLC
Dec 12, 1995442618DrillNolanSouth Lake Trammel Unit #595,900Final completion35332372Now Grayrock Energy II LLC
Dec 1, 1995442311RecompletionCokeTinkler, Jennie #17,200Final completion08131652—
Sep 27, 1995440253DrillTom GreenSparks, O.B. #35,000Final completion45132340Now Lavanco Energy Ltd.
Sep 14, 1995439763DrillTom GreenJohnson #16,000Plugged dry hole (P&A)45132338—
Apr 27, 1995435299DrillIrionNoelke #57,000Final completion23533367Now J & J Services Company
Mar 22, 1995433955DrillIrionMunson #14027,000Final completion23533350—
Jan 27, 1995432277DrillIrionMunson #13027,000Final completion23533326—
Nov 8, 1994429832DrillCokeTinkler, Jennie #17,500Final completion08131652Acquired from Placid Oil Company
Sep 28, 1994428316DrillIrionNoelke #47,000Final completion23533281—
Aug 1, 1994426460DrillIrionMunson #15027,000Final completion23533266—
May 25, 1994424231DrillIrionMunson #13017,000Final completion23533249—
Mar 4, 1994421621DrillIrionNoelke #37,000Final completion23533231—
Nov 19, 1993418419DrillIrionMunson #15017,000Final completion23533219—
Nov 19, 1993418418DrillIrionMunson #14017,000Final completion23533220—
Jun 30, 1993413027DrillIrionNoelke #27,000Final completion23533194—
Nov 17, 1992406181DrillIrionNoelke "A" #47,000Final completion23533153Now J & J Services Company
Oct 2, 1992402667RecompletionIrionLinthicum, H. H. #1 K8,819Final completion23532528Acquired from Lavanco
Nov 14, 1991392143RecompletionIrionLinthicum #18,900Final completion23531867Acquired from Lavanco
Nov 5, 1990380351RecompletionIrionDiamond #18,850Final completion23531626Acquired from Lavanco