OPERATORS · TEXAS · P-5 NUMBER 744700

Samson Lone Star LP

WindowAll time 90 days 1 year 3 years 10 years

TypeDrill 1207 Recompletion 178 Reenter 6 Other 4 Field transfer 1

57 FILINGS · 45 PERMITS · PAGE 1 OF 2 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
May 30, 2007	639573	Drill	Starr	Bentsen Tract I #8	10,000	—	42734123	Now Merit Energy Company
Jul 26, 2006	622810	Drill	Starr	Bentsen IV #3	9,500	—	42734006	—
Jan 10, 2006	612148	Drill	Starr	Bentsen Tract I #7	10,000	Final completion	42733923	Now Merit Energy Company
Dec 6, 2005	610640	Recompletion	Starr	Slick Estate #5399	3,350	Final completion	42732404	Now Merit Energy Company
Nov 18, 2005	609749	Drill	Starr	Montalvo #1	10,000	Final completion	42733908	Now OXY USA Inc.
Oct 19, 2005	608168	Drill	Starr	Bentsen Tract I #6	10,000	Final completion	42733900	Now Merit Energy Company
Oct 18, 2005	607896	Drill	Starr	Bentsen Tract IV #2	10,000	—	42733896	Now Merit Energy Company
Oct 18, 2005	607896Amendment	Other	Starr	Bentsen Tract IV #2	9,500	Final completion	42733896	Now Merit Energy Company
Sep 26, 2005	606837	Recompletion	Starr	Bentsen IV #1	10,062	Final completion	42733770	Now Merit Energy Company
Aug 31, 2005	605730	Drill	Starr	Bentsen Tract I #5	10,000	Final completion	42733879	Now Merit Energy Company
Apr 21, 2005	560890	Recompletion	Starr	Coates 553 #8	5,250	Final completion	42733663	Now Merit Energy Company
Dec 17, 2004	555021	Drill	Starr	La Brisa Ranch #1	9,000	—	42733792	—
Oct 27, 2004	552909	Drill	Starr	Bentsen Tract I #4	10,500	Final completion	42733772	Now Merit Energy Company
Oct 25, 2004	552783	Drill	Starr	Bentsen IV #1	11,500	—	42733770	Now Merit Energy Company
Oct 25, 2004	552783Amendment	Other	Starr	Bentsen IV #1	11,621	Final completion	42733770	Now Merit Energy Company
Oct 11, 2004	552116	Recompletion	Starr	Slick 230 #3	5,100	Final completion	42733643	Now Merit Energy Company
Aug 24, 2004	550065	Drill	Starr	Bentsen Tract II #2	12,500	Final completion	42733753	Now Merit Energy Company
Aug 23, 2004	549967	Recompletion	Starr	Bentsen Tract I #1	5,405	Final completion	42730215	Now Merit Energy Company
May 27, 2004	546025	Recompletion	Starr	Slick 230 #3	5,300	Final completion	42733643	Now Merit Energy Company
Mar 30, 2004	543744	Recompletion	Starr	Guerra Brothers G U #3	6,150	Unperforated completion	42732711	Now OXY USA Inc.
Sep 26, 2003	536882	Drill	Starr	Coates 553 #8	8,000	—	42733663	Now Merit Energy Company
Sep 26, 2003	536882Amendment	Drill	Starr	Coates 553 #8	8,000	—	42733663	Now Merit Energy Company
Sep 26, 2003	536882Amendment	Drill	Starr	Coates 553 #8	8,000	Final completion	42733663	Now Merit Energy Company
Sep 3, 2003	532419	Drill	Starr	Seyfreidt 928 #5	10,500	Final completion	42733618	Now Merit Energy Company
Jul 28, 2003	534698	Drill	Starr	Slick 230 #3	10,500	—	42733643	Now Merit Energy Company
Jul 28, 2003	534698Amendment	Drill	Starr	Slick 230 #3	5,500	Side one multi completion	42733643	Now Merit Energy Company
Apr 11, 2003	526610	Drill	Starr	Seyfreidt 928 #4	10,500	Final completion	42733567	Now Merit Energy Company
Mar 19, 2003	529784	Drill	Starr	Slick 541 #6	9,000	—	42733596	Now Merit Energy Company
Mar 19, 2003	529784Amendment	Drill	Starr	Slick 541 #6	9,000	Final completion	42733596	Now Merit Energy Company
Nov 20, 2002	525710	Drill	Starr	Slick 539 #23	9,000	Final completion	42733558	Now Merit Energy Company
Oct 29, 2002	525071	Drill	Starr	Slick 230 #6	10,500	—	42733551	Now Merit Energy Company
Oct 29, 2002	525071Amendment	Drill	Starr	Slick 230 " a " #6	10,500	Final completion	42733551	Now Merit Energy Company
Aug 6, 2002	522543	Drill	Starr	Seyfreidt 928 #3	10,500	—	42733519	Now Merit Energy Company
Aug 6, 2002	522543Amendment	Drill	Starr	Seyfreidt 928 #3	10,500	Final completion	42733519	Now Merit Energy Company
Jul 17, 2002	521932	Drill	Starr	Slick 539 #15	9,000	—	42733509	—
Jul 17, 2002	521932Amendment	Drill	Starr	Slick 539 #15	9,000	—	42733509	—
Jul 3, 2002	521569	Drill	Starr	Seyfriedt 928 #2	10,500	Final completion	42733505	Now Merit Energy Company
Jul 3, 2002	521568	Drill	Starr	Slick 539 #22	9,000	—	42733506	—
Jun 21, 2002	521279	Drill	Starr	Coates 553 #5	9,400	Final completion	42733499	Now Merit Energy Company
Jun 7, 2002	520789	Drill	Starr	Coates 553 #6	9,000	Final completion	42733494	Now Merit Energy Company
Apr 19, 2001	507852	Recompletion	Starr	Mayfair Labrisa #2	6,000	Final completion	42732395	Acquired from Texas Independent Explor., Inc.
Oct 19, 1993	417205	Recompletion	Starr	Mayfair Labrisa #2	7,500	Final completion	42732395	Acquired from Hanson Production Company
Oct 5, 1992	403207	Recompletion	Starr	Slick, T.B. Estate "A" #3	8,250	Final completion	42730319	Acquired from Fina Oil & Chemical Company
Jan 11, 1991	382980	Recompletion	Starr	Mayfair la Brisa #2	7,500	Final completion	42732395	Acquired from Hanson Minerals Co.
Nov 9, 1990	380882	Recompletion	Starr	Rodriguez, S. #4	6,150	Final completion	42731265	Acquired from Oryx Energy Company
Oct 25, 1990	380128	Recompletion	Starr	Rodriguez, S. #8	8,005	—	42731847	Acquired from Oryx Energy Company
Sep 5, 1990	377410	Recompletion	Starr	Mayfair-La Brisa #2	7,500	Final completion	42732395	Acquired from Hanson Minerals Co.
Mar 2, 1990	370505	Drill	Starr	Mayfair la Brisa #2	7,500	Final completion	42732395	Acquired from Hanson Minerals Co.
Feb 10, 1989	355945	Recompletion	Starr	Rodriguez, S. #8	8,005	Final completion	42731847	Acquired from Sun Exploration & Production Co.
Oct 20, 1988	352241	Recompletion	Starr	Rodriguez, S. #8	8,005	—	42731847	Acquired from Sun Exploration & Production Co.