OPERATORS · TEXAS · P-5 NUMBER 103921

Mountainside Energy Operating, L

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96 FILINGS · 87 PERMITS · PAGE 1 OF 2 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Sep 16, 2010	701515	Recompletion	Hemphill	B. Jarvis & Sons #4215	11,851	Final completion	21131567	Acquired from Chevron U. S. A. Inc.
Oct 6, 2009	683617	Recompletion	Hemphill	Isaacs 209 #2209	11,507	Final completion	21130899	Acquired from Chevron U. S. A. Inc.
Apr 16, 2009	680396	Recompletion	Hemphill	Isaacs #2214	12,000	Final completion	21130991	Acquired from Chevron U. S. A. Inc.
Feb 13, 2008	654557	Recompletion	Hemphill	Isaacs #2214	12,000	—	21130991	Acquired from Chevron U. S. A. Inc.
Jan 9, 2008	649862	Recompletion	Hemphill	Isaacs #2210	11,655	Final completion	21131118	Acquired from Chevron U. S. A. Inc.
May 15, 2007	638219	Drill	Hemphill	Hobart Ranch #1967	13,500	Final completion	21133900	Acquired from Cimarex Energy Co.
Sep 6, 2006	625235	Drill	Hemphill	Ross #1371	13,400	Spudded	21133704	Acquired from Cimarex Energy Co.
Sep 6, 2006	625235Amendment	Drill	Hemphill	Ross #1371	13,400	Final completion	21133704	Acquired from Cimarex Energy Co.
Jun 8, 2006	619400	Reenter	Hemphill	Ross, A.A. #1071	5,180	Final completion	21132645	Acquired from Chevron U. S. A. Inc.
Mar 28, 2006	615041	Drill	Hemphill	Ross #1271	12,800	Final completion	21133532	Acquired from Cimarex Energy Co.
Mar 28, 2006	615040	Drill	Hemphill	Ross #1171	12,800	Final completion	21133531	Acquired from Cimarex Energy Co.
Jun 27, 2005	602572	Drill	Hemphill	Gulf-Mesa Sappington #5	13,000	Final completion	21133342	Acquired from Samson Lone Star LP
Oct 13, 2003	535429	Drill	Hemphill	Isaacs #7028	10,800	Final completion	21132813	Acquired from Samson Lone Star LP
Oct 13, 2003	535428	Drill	Hemphill	Isaacs #8028	10,800	Spudded	21132814	Acquired from Samson Lone Star LP
Oct 13, 2003	535428Amendment	Drill	Hemphill	Isaacs #8208	12,500	Final completion	21132814	Acquired from Samson Lone Star LP
Jan 13, 2003	527174	Field transfer	Hemphill	Ross, A. A. #9071	14,500	Final completion	21132431	Acquired from Chevron U. S. A. Inc.
Dec 10, 2002	526226	Drill	Hemphill	Isaacs #6208	10,800	—	21132672	Acquired from Samson Lone Star LP
Dec 10, 2002	526226Amendment	Drill	Hemphill	Isaacs #6208	10,800	Final completion	21132672	Acquired from Samson Lone Star LP
Sep 10, 2002	523547	Drill	Hemphill	Ross, A. A. #1071	14,000	Spudded	21132645	Acquired from Chevron U. S. A. Inc.
Sep 10, 2002	523547Amendment	Drill	Hemphill	Ross, A. A. #1071	14,000	—	21132645	Acquired from Chevron U. S. A. Inc.
Sep 10, 2002	523547Amendment	Drill	Hemphill	Ross, A. A. #1071	14,000	Unperforated completion	21132645	Acquired from Chevron U. S. A. Inc.
May 16, 2002	520015	Recompletion	Hemphill	Jarvis, B. & Sons #4215	11,851	—	21131567	Acquired from Chevron U. S. A. Inc.
Aug 17, 2001	512729	Drill	Hemphill	Jarvis, Billy #3	12,200	Final completion	21132546	Acquired from Apache Corporation
Oct 12, 2000	502263	Recompletion	Hansford	Schiff, Lawrence #2H	5,200	Final completion	19531136	Acquired from Strat Land Exploration Company
Jun 2, 2000	495778	Drill	Hemphill	Ross, A. A. #9071	14,500	Final completion	21132431	Acquired from Chevron U. S. A. Inc.
Dec 22, 1999	489808	Recompletion	Hemphill	Isaacs -209- #3209	10,900	Final completion	21131279	Acquired from Chevron U. S. A. Inc.
Oct 5, 1999	481059	Drill	Hemphill	Isaacs 209 #9	10,800	Final completion	21132326	Acquired from Samson Lone Star LP
Aug 24, 1999	481058	Drill	Hemphill	Isaacs 210 #8	10,800	Final completion	21132325	Acquired from Samson Lone Star LP
Jul 7, 1999	485647	Drill	Hemphill	Campbell #502	10,800	Final completion	21132365	Acquired from Crescendo Resources, L.P.
Jul 7, 1999	485647Amendment	Drill	Hemphill	Campbell #502	10,800	—	21132365	Acquired from Chevron U. S. A. Inc.
Nov 20, 1998	481057	Drill	Hemphill	Isaacs 208 #4	10,800	—	21132324	Acquired from Samson Lone Star LP
Nov 20, 1998	481057Amendment	Drill	Hemphill	Isaacs 208 #4	10,800	Final completion	21132324	Acquired from Samson Lone Star LP
Oct 15, 1996	451452	Recompletion	Wheeler	Keller, P.M. #7	2,713	—	48301258	Acquired from Texaco E & P Inc.
Oct 15, 1996	451451	Recompletion	Wheeler	Keller, P. M. #11	2,727	—	48380920	Acquired from Texaco E & P Inc.
Oct 15, 1996	451450	Recompletion	Wheeler	Keller, P. M. #14	2,690	—	48301279	Acquired from Texaco E & P Inc.
Apr 24, 1996	447423	Drill	Wheeler	Johnson, D. E. #30	3,250	Final completion	48331484	Acquired from Texaco E & P Inc.
Mar 12, 1996	445802	Drill	Wheeler	Johnson, D. E. #29	3,250	Final completion	48331482	Acquired from Texaco E & P Inc.
Oct 20, 1995	441079	Drill	Wheeler	Johnson, D. E. #28	3,250	Final completion	48331474	Acquired from Texaco E & P Inc.
Sep 19, 1995	439821	Drill	Wheeler	Keller, P. M. #30	3,250	Final completion	48331471	Acquired from Texaco E & P Inc.
May 9, 1995	435574	Drill	Wheeler	Keller, P.M. #29	3,250	Final completion	48331470	Acquired from Texaco E & P Inc.
Apr 4, 1995	433427	Drill	Wheeler	Keller, P. M. #28	3,250	—	48331469	Acquired from Texaco E & P Inc.
Apr 4, 1995	433427Amendment	Drill	Wheeler	Keller, P. M. #28	3,250	Final completion	48331469	Acquired from Texaco E & P Inc.
Jul 14, 1994	425855	Drill	Hemphill	Isaacs #7210	8,000	Final completion	21132082	Acquired from Chevron U. S. A. Inc.
Jul 14, 1994	425854	Drill	Hemphill	Flowers #31	8,000	Final completion	21132081	Acquired from Chevron U. S. A. Inc.
Jun 30, 1994	425454	Drill	Hemphill	Isaacs #6210	8,000	Final completion	21132078	Acquired from Chevron U. S. A. Inc.
Jun 8, 1994	423271	Drill	Wheeler	Bush, W. B. #14	2,750	Unsuccessful workover	48331462	Acquired from Texaco E & P Inc.
Apr 7, 1994	421808	Drill	Wheeler	Keller, P. M. #27	2,750	Unsuccessful workover	48331458	Acquired from Texaco E & P Inc.
Jun 25, 1993	413112	Recompletion	Hemphill	Isaacs #1209	13,550	Final completion	21130603	Acquired from Chevron U. S. A. Inc.
Feb 5, 1993	408638	Drill	Wheeler	Keller, P. M. #26	3,250	Final completion	48331442	Acquired from Texaco E & P Inc.
Oct 3, 1991	392087	Drill	Hansford	Etter, T. H. #3	6,700	Final completion	19531139	Acquired from Texaco E & P Inc.