OPERATORS · TEXAS · P-5 NUMBER 135401

Carrizo Oil & Gas, Inc.

1,164 PERMITS · PAGE 1 OF 24 · BY ISSUE DATE

IssuedPermitTypeCountyLease / wellDepthStatusAPIOperator change
Oct 12, 2012749450DrillLa SalleMumme-Tcu Unit #72HH11,000Spudded28333563Now Verdun Oil EF II LLC
Oct 12, 2012749450DrillLa SalleMumme-Tcu Unit #72HH11,000Final completion28333563Now Verdun Oil EF II LLC
Oct 12, 2012749427DrillLa SalleGardendale F Unit #23HH11,000Final completion28333568Now Javelin Energy Partners Mgmt LLC
Oct 10, 2012749426DrillLa SalleGardendale E Unit #22HH11,000Final completion28333559Now Javelin Energy Partners Mgmt LLC
Oct 10, 2012749423DrillLa SalleGardendale D Unit #21HH11,000Final completion28333558Now Javelin Energy Partners Mgmt LLC
Oct 9, 2012749422DrillLa SalleGardendale C Unit #20HH11,000Final completion28333557Now Javelin Energy Partners Mgmt LLC
Sep 27, 2012748241DrillLa SalleMumme-Tcu Unit #71HH11,000Spudded28333525Now Verdun Oil EF II LLC
Sep 27, 2012748241DrillLa SalleMumme-Tcu Unit #71HH11,000Final completion28333525Now Verdun Oil EF II LLC
Sep 25, 2012748236DrillLa SalleMumme-Tcu Unit #70HH11,000Spudded28333524Now Verdun Oil EF II LLC
Sep 25, 2012748236DrillLa SalleMumme-Tcu Unit #70HH11,000Final completion28333524Now Verdun Oil EF II LLC
Sep 6, 2012746829DrillLa SalleBrown Trust #42HH11,000Spudded28333480Now Javelin Energy Partners Mgmt LLC
Sep 6, 2012746829DrillLa SalleBrown Trust #42HH11,000Final completion28333480Now Javelin Energy Partners Mgmt LLC
Sep 6, 2012746433DrillLa SalleBrown Trust #40HH11,000Spudded28333465Now Javelin Energy Partners Mgmt LLC
Sep 6, 2012746433DrillLa SalleBrown Trust #40HH11,000Final completion28333465Now Javelin Energy Partners Mgmt LLC
Aug 29, 2012746823DrillLa SalleGardendale B Unit #14HH11,000Spudded28333478Now Javelin Energy Partners Mgmt LLC
Aug 29, 2012746823DrillLa SalleGardendale B Unit #14HH11,000Final completion28333478Now Javelin Energy Partners Mgmt LLC
Aug 23, 2012746439DrillLa SalleBrown Trust #41HH11,000Spudded28333463Now Javelin Energy Partners Mgmt LLC
Aug 23, 2012746439DrillLa SalleBrown Trust #41HH11,000Final completion28333463Now Javelin Energy Partners Mgmt LLC
Aug 23, 2012746426DrillLa SalleGardendale a Unit #11HH11,000Spudded28333462Now Javelin Energy Partners Mgmt LLC
Aug 23, 2012746426DrillLa SalleGardendale a Unit #11HH11,000Final completion28333462Now Javelin Energy Partners Mgmt LLC
Aug 20, 2012746278DrillLa SalleArnold C Unit #30HH11,000—28333456Now Javelin Energy Partners Mgmt LLC
Aug 20, 2012746278DrillLa SalleArnold C Unit #30HH11,000Final completion28333456Now Javelin Energy Partners Mgmt LLC
Aug 16, 2012746288DrillLa SalleArnold C Unit #31HH11,000Spudded28333452Now Javelin Energy Partners Mgmt LLC
Aug 16, 2012746288DrillLa SalleArnold C Unit #31HH11,000—28333452Now Javelin Energy Partners Mgmt LLC
Aug 16, 2012746288DrillLa SalleArnold C Unit #31HH11,000Final completion28333452Now Javelin Energy Partners Mgmt LLC
Aug 15, 2012746292DrillLa SalleArnold C Unit #32HH11,000Spudded28333451Now Javelin Energy Partners Mgmt LLC
Aug 15, 2012746292DrillLa SalleArnold D Unit #32HH11,000—28333451Now Javelin Energy Partners Mgmt LLC
Aug 15, 2012746292DrillLa SalleArnold D Unit #32HH11,000Final completion28333451Now Javelin Energy Partners Mgmt LLC
Jun 27, 2012743005DrillLa SalleIrvin B Unit #121HH11,000Final completion28333341Now Javelin Energy Partners Mgmt LLC
Jun 26, 2012743011DrillLa SalleIrvin C Unit #122HH11,000—28333342Now Javelin Energy Partners Mgmt LLC
Jun 26, 2012743011DrillLa SalleIrvin C Unit #122HH11,000Final completion28333342Now Javelin Energy Partners Mgmt LLC
Jun 26, 2012743000DrillLa SalleIrvin a Unit #120HH11,000Spudded28333336Now Javelin Energy Partners Mgmt LLC
Jun 26, 2012743000DrillLa SalleIrvin a Unit #120HH11,000Final completion28333336Now Javelin Energy Partners Mgmt LLC
May 31, 2012741037DrillLa SalleLone Oak Grocery #10HH11,000Spudded28333266Now Verdun Oil EF II LLC
May 31, 2012741037DrillLa SalleLone Oak Grocery #10HH11,000Final completion28333266Now Verdun Oil EF II LLC
May 23, 2012740742DrillLa SallePerrigo-Witherspoon B Unit #10HH11,000Spudded28333258Now Texas American Resources Company
May 23, 2012740742DrillLa SallePerrigo-Witherspoon B Unit #11HH11,000—28333258Now Texas American Resources Company
May 23, 2012740742DrillLa SallePerrigo-Witherspoon B Unit #11HH11,000Final completion28333258Now Texas American Resources Company
May 23, 2012740697DrillLa SallePerrigo-Witherspoon a Unit #10HH11,000Spudded28333257Now Texas American Resources Company
May 23, 2012740697DrillLa SallePerrigo-Witherspoon a Unit #10HH11,000Final completion28333257Now Texas American Resources Company
May 4, 2012738532DrillLa SalleWinfield C Unit #50HH11,000Spudded28333197Now Javelin Energy Partners Mgmt LLC
May 4, 2012738532DrillLa SalleWinfield C Unit #50HH11,000Final completion28333197Now Javelin Energy Partners Mgmt LLC
May 3, 2012739270DrillLa SalleMumme-Cearley B Unit #36HH11,000Final completion28333218Now Verdun Oil EF II LLC
May 3, 2012739266DrillLa SalleMumme-Cearley Unit #35HH11,000Unperforated completion28333215Now Verdun Oil EF II LLC
May 3, 2012739266DrillLa SalleMumme-Cearley Unit #35HH11,000Final completion28333215Now Verdun Oil EF II LLC
May 3, 2012739249DrillLa SalleCreek Fork #10HH11,000Spudded28333217Now EOG Resources Inc.
May 3, 2012739249DrillLa SalleC4 Ranch #10HH11,000Final completion28333217Now EOG Resources Inc.
May 1, 2012738542DrillLa SalleWinfield C Unit #51HH11,000Spudded28333200Now Javelin Energy Partners Mgmt LLC
May 1, 2012738542DrillLa SalleWinfield C Unit #51HH11,000Final completion28333200Now Javelin Energy Partners Mgmt LLC
May 1, 2012738531DrillLa SallePena-Winfield B Unit #53HH11,000Spudded28333196Now Javelin Energy Partners Mgmt LLC