OPERATORS · TEXAS · P-5 NUMBER 252144

Energy Twenty Operating LLC

WindowAll time 90 days 1 year 3 years 10 years

CountySan Patricio 20 San Jacinto 18 Crockett 7 Nueces 6 Orange 2 Irion 1

Type

54 FILINGS · 43 PERMITS · PAGE 1 OF 2 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Aug 3, 2018	843054	Recompletion	San Patricio	Nueces Bay St 688 #5	9,600	—	40932948	Acquired from EOG Resources, Inc.
Jul 27, 2015	808647	Drill	San Patricio	Mayo-Owen G.U. #7	13,000	Final completion	40933050	Acquired from EOG Resources, Inc.
Aug 15, 2014	791861	Drill	Orange	Powell #1	9,200	Spudded	36130960	Acquired from Elc Energy, LLC
Aug 15, 2014	791861Amendment	Drill	Orange	Powell #1	9,300	Unperforated completion	36130960	Acquired from Elc Energy, LLC
Nov 7, 2013	772883	Recompletion	San Patricio	Nueces Bay St 688 #4	13,000	—	40932916	Acquired from EOG Resources, Inc.
Jan 17, 2013	754373	Recompletion	Nueces	State Tract 706 #2	15,000	—	35533954	Acquired from EOG Resources, Inc.
May 12, 2011	713516	Recompletion	San Patricio	Nueces Bay St 688 #3	12,100	Final completion	40932900	Acquired from EOG Resources, Inc.
Mar 29, 2011	712481	Drill	San Patricio	Nueces Bay St 688 #5	11,900	Final completion	40932948	Acquired from EOG Resources, Inc.
Jul 9, 2010	698707	Drill	Nueces	State Tract 746A/750A GU #1HH	14,500	—	35534000	Acquired from EOG Resources, Inc.
Jul 9, 2010	698707Amendment	Drill	Nueces	State Tract 746A/750A GU #1HH	14,500	Spudded	35534000	Acquired from EOG Resources, Inc.
Jul 9, 2010	698707Amendment	Drill	Nueces	State Tract 746A/750A GU #1HH	14,500	Final completion	35534000	Acquired from EOG Resources, Inc.
Jun 7, 2010	696941	Drill	San Jacinto	Emily -B- Langham #8	12,700	Spudded	40730711	Acquired from Alta Mesa Services, LP
Jun 7, 2010	696941Amendment	Drill	San Jacinto	Brenda Lee Langham #1ST	12,500	Spudded	40730711	Acquired from Alta Mesa Services, LP
Jun 7, 2010	696941Amendment	Drill	San Jacinto	Emily Langham "A" #20ST	12,500	Final completion	40730711	Acquired from Alta Mesa Services, LP
Mar 25, 2010	693340	Drill	San Jacinto	Emily Langham A #16	11,640	Final completion	40730708	Acquired from Alta Mesa Services, LP
Mar 12, 2010	692698	Drill	San Jacinto	Emily Langham A #17	11,640	Final completion	40730704	Acquired from Alta Mesa Services, LP
Feb 25, 2010	691680	Drill	San Patricio	State Tract 690/746 & 750 GU #4	13,200	—	40932921	Acquired from EOG Resources, Inc.
Feb 25, 2010	691680Amendment	Drill	San Patricio	State Tract 690/746 & 750 GU #4ST	13,200	Final completion	40932921	Acquired from EOG Resources, Inc.
Feb 18, 2010	691390	Drill	San Jacinto	Emily Langham A #15	11,600	Spudded	40730703	Acquired from Alta Mesa Services, LP
Feb 18, 2010	691390Amendment	Drill	San Jacinto	Emily Langham A #15	11,600	Final completion	40730703	Acquired from Alta Mesa Services, LP
Oct 15, 2009	686184	Drill	San Patricio	Nueces Bay St 688 #4	13,000	Final completion	40932916	Acquired from EOG Resources, Inc.
Aug 27, 2009	684487	Recompletion	San Patricio	Mayo-Koonce GU #3	12,330	—	40932729	Acquired from El Paso E & P Company, L. P.
Apr 29, 2009	680796	Drill	Nueces	State Tract 706 #2	15,000	Unperforated completion	35533954	Acquired from EOG Resources, Inc.
Jan 7, 2009	676854	Drill	Nueces	State Tract 690/746 & 750 GU #3	14,500	Final completion	35533942	Acquired from EOG Resources, Inc.
Nov 18, 2008	674967	Drill	San Patricio	Nueces Bay ST.688 #3	12,100	Final completion	40932900	Acquired from EOG Resources, Inc.
Aug 7, 2008	667639	Drill	San Patricio	State Tract 689 #1	14,000	Final completion	40932894	Acquired from EOG Resources, Inc.
Aug 23, 2007	644832	Drill	San Jacinto	Langham "A" #12	11,650	Final completion	40730660	Acquired from Alta Mesa Services, LP
Aug 9, 2007	643718	Drill	San Jacinto	Langham "A" #11	11,600	Final completion	40730658	Acquired from Alta Mesa Services, LP
Jul 10, 2007	641532	Drill	San Patricio	State Tract 690 #1	14,000	—	40932872	Acquired from EOG Resources, Inc.
Jul 10, 2007	641532Amendment	Drill	San Patricio	State Tract 690 746 & 750 GU #1	14,000	—	40932872	Acquired from EOG Resources, Inc.
Jul 10, 2007	641532Amendment	Drill	San Patricio	State Tract 690 746 & 750 GU #1	14,000	Final completion	40932872	Acquired from EOG Resources, Inc.
Apr 27, 2006	618309	Drill	Crockett	Perner 38 -B- #4	2,500	Final completion	10539958	Acquired from Telesis Operating Co., Inc.
Apr 27, 2006	618308	Drill	Crockett	Perner 38 #3	2,500	Final completion	10539957	Acquired from Telesis Operating Co., Inc.
Apr 27, 2006	618307	Drill	Crockett	Perner 42-A- #2	2,500	Final completion	10539956	Acquired from Telesis Operating Co., Inc.
Apr 27, 2006	618303	Drill	Crockett	Perner 42 #1	2,500	Final completion	10539955	Acquired from Telesis Operating Co., Inc.
Aug 8, 2005	604451	Recompletion	San Patricio	Mayo-Owen GU #5	11,600	Final completion	40932730	Acquired from Peoples Energy Prod.-TX, L.P.
Nov 25, 2003	539055	Recompletion	San Patricio	Mayo Owen GU #5	11,600	Final completion	40932730	Acquired from Peoples Energy Prod.-TX, L.P.
May 20, 2003	532161	Drill	San Patricio	Mayo Owen GU #5	12,500	—	40932730	Acquired from Peoples Energy Prod.-TX, L.P.
May 20, 2003	532161Amendment	Drill	San Patricio	Mayo Owen GU #5	12,500	—	40932730	Acquired from Peoples Energy Prod.-TX, L.P.
May 20, 2003	532161Amendment	Drill	San Patricio	Mayo Owen GU #5	12,500	Final completion	40932730	Acquired from Peoples Energy Prod.-TX, L.P.
Apr 7, 2003	530402	Drill	San Patricio	Mayo-Koonce GU #3	12,800	Final completion	40932729	Acquired from Peoples Energy Prod.-TX, L.P.
Sep 6, 2002	523449	Drill	San Jacinto	Langham, Emily B #5	12,000	Final completion	40730594	Acquired from Famcor Oil, Inc
Feb 6, 2001	504991	Drill	San Jacinto	Langham, Emily "A" #7	11,500	Final completion	40730575	Acquired from Famcor Oil, Inc
Nov 2, 1994	429619	Drill	San Jacinto	Langham, Emily "A" #6	12,000	Final completion	40730551	Acquired from Famcor Oil, Inc
Aug 18, 1992	402471	Recompletion	San Jacinto	Langham, Emily B. #3	9,680	Final completion	40730053	Acquired from Famcor Oil, Inc
Apr 26, 1989	358512	Recompletion	San Jacinto	Langham, Emily B #3	12,502	Final completion	40730053	Acquired from Famcor Oil, Inc
Aug 30, 1988	350651	Recompletion	San Jacinto	Langham Emily "A" #5	11,400	Final completion	40730061	Acquired from Amoco Production Company
Apr 19, 1983	191934	Drill	Crockett	Carson, Ladd 47 #1	7,200	Final completion	10534460	Acquired from DJS Energy Corp.
Apr 15, 1983	191644	Drill	Crockett	Pierce, Ladd 2 #1	7,000	Final completion	10534452	Acquired from DJS Energy Corp.
Dec 31, 1982	183279	Drill	Crockett	Ladd-Pierce '1' #1	7,000	Final completion	10534321	Acquired from DJS Energy Corp.