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MARATHON OIL EF LLC: wells in Texas

2,957wells on record
2,484active
449shut in or idle
24plugged
7disposal / injection

All of this operator's wells, every state, one download →

Where they operate

County	Active	Wells
Karnes	1,492	1,777
Atascosa	431	505
Live Oak	299	358
De Witt	219	261
Mcmullen	32	37
Bee	11	11
Gonzales	0	6
Wilson	0	2

Wells

Not plugged · All wells · Plugged · Orphaned

Well	API / ID	Status	Type
BAILEY-RETZLOFF UNIT 12H	42-255-34498	Active	Gas
BAILEY-RETZLOFF UNIT 5H	42-255-35129	Active	Gas
BAILEY-RETZLOFF UNIT 14H	42-255-34102	Active	Gas
BAILEY-RETZLOFF UNIT 9H	42-255-34819	Active	Gas
BAILEY-RETZLOFF UNIT 8H	42-255-34820	Active	Gas
BAILEY-RETZLOFF UNIT 508H	42-255-34822	Active	Gas
BAILEY-RETZLOFF UNIT AC 7H	42-255-34823	Active	Gas
BAILEY-RETZLOFF UNIT AC 10H	42-255-34495	Active	Gas
BAILEY-RETZLOFF UNIT AC 3H	42-255-35131	Active	Gas
BAILEY-RETZLOFF UNIT AC 11H	42-255-34492	Active	Gas
BAILEY-RETZLOFF UNIT AC 9H	42-255-34496	Temporarily abandoned	Gas
BAILEY-RETZLOFF UNIT AC 12H	42-255-34101	Active	Gas
BARBOZA UNIT 13H	42-255-35141	Active	Gas
BARBOZA UNIT 12H	42-255-35142	Active	Gas
BARBOZA UNIT 9H	42-255-35145	Active	Gas
BARBOZA UNIT 7H	42-255-34583	Active	Oil & gas
BARBOZA UNIT 502H	42-255-34584	Active	Oil & gas
BARBOZA UNIT 503H	42-255-34755	Active	Oil
BARBOZA UNIT 6H	42-255-34579	Active	Oil & gas
BARBOZA UNIT 5H	42-255-32815	Active	Gas
BARBOZA UNIT 4H	42-255-32816	Active	Gas
BARBOZA UNIT 3H	42-255-32817	Active	Gas
BARBOZA UNIT 11H	42-255-35143	Active	Gas
BARBOZA UNIT 2H	42-255-32818	Active	Gas
BARBOZA UNIT 1H	42-255-31798	Temporarily abandoned	Gas
BARBOZA UNIT 10H	42-255-35144	Active	Gas
BARBOZA UNIT AC 14H	42-255-34581	Active	Oil & gas
BARBOZA UNIT AC 8H	42-255-35151	Active	Gas
BARBOZA UNIT AC 13H	42-255-34763	Active	Oil & gas
BARNHART NORTH 71H	42-177-33488	Shut in	Oil
BARROW 01 04H	42-123-32962	Temporarily abandoned	Gas
BARROW 01 07H	42-123-33501	Active	Gas
BARROW 01 05H	42-123-33499	Active	Gas
BARROW 01 02H	42-123-32964	Temporarily abandoned	Gas
BARROW 01 03H	42-123-32963	Active	Gas
BARROW 01 06H	42-123-33500	Active	Gas
BARROW 01 01H	42-123-32437	Temporarily abandoned	Gas
BARROW 01 08H	42-123-33502	Active	Gas
BATEMAN 01 01H	42-297-35214	Active	Gas
BAYLOR UNIVERSITY 01 01H	42-297-35240	Active	Gas
BEAM HEDTKE UNIT 1H	42-255-32949	Shut in	Oil
BEAM HEDTKE UNIT 4H	42-255-32952	Active	Oil
BEAM HEDTKE UNIT 3H	42-255-32951	Shut in	Oil
BEAM HEDTKE UNIT 2H	42-255-32950	Shut in	Oil
BEAM MEYER-BALSER SA1 1H	42-255-38050	Active	Oil
BEAM MEYER-RICHARD BUTLER B SA1 1H	42-255-38047	Active	Oil
BEAM MEYER-RICHARD BUTLER B SA2 2H	42-255-38048	Active	Oil
BEAM MEYER-RICHARD BUTLER B SA3 3H	42-255-38049	Active	Oil
BEAM MEYER-TINA BUTLER SA1 1H	42-255-38051	Active	Oil
BEAM-HEDTKE-MEYER FELIX SA 1H	42-255-37241	Active	Oil
BEAM-MEYER UNIT 1H	42-255-32170	Shut in	Oil
BERRY 01 01H	42-255-32333	Active	Gas
BEST BATEMAN UNIT 4H	42-255-36845	Active	Oil
BEST BATEMAN UNIT 3H	42-255-36844	Active	Oil
BEST BATEMAN UNIT 2H	42-255-33129	Active	Oil
BEST BATEMAN UNIT 7H	42-255-36847	Shut in	Oil
BEST BATEMAN UNIT 5H	42-255-36846	Active	Oil
BEST BATEMAN UNIT 1H	42-255-33130	Active	Oil
BEST BATEMAN-BEST BEARD SA 1H	42-255-37669	Active	Oil
BEST BATEMAN-BEST HUTH SA1 1H	42-255-38164	Active	Oil
BEST-BEARD UNIT 3H	42-255-32693	Active	Oil
BEST-BEARD UNIT 2H	42-255-32661	Active	Oil
BEST-BEARD UNIT 1H	42-255-32660	Active	Oil
BEST-BEARD UNIT 4H	42-255-32694	Shut in	Oil
BEST-FENNER UNIT 6H	42-255-37046	Active	Oil & gas
BEST-FENNER UNIT 3H	42-255-34247	Active	Oil
BEST-FENNER UNIT 4H	42-255-34248	Active	Oil & gas
BEST-FENNER UNIT 5H	42-255-37045	Active	Oil & gas
BEST-FENNER UNIT 1H	42-255-31891	Temporarily abandoned	Oil & gas
BEST-FENNER UNIT 501H	42-255-34421	Active	Oil
BEST-FENNER UNIT 2H	42-255-34246	Shut in	Oil
BEST-FENNER UNIT AC 1H	42-255-34422	Active	Oil
BEST-HUTH UNIT 1H	42-255-31890	Temporarily abandoned	Oil & gas
BEST-HUTH UNIT 5H	42-255-33895	Active	Oil
BEST-HUTH UNIT 4H	42-255-33894	Active	Oil
BEST-HUTH UNIT 3H	42-255-33893	Active	Oil
BEST-HUTH UNIT 2H	42-255-33892	Active	Oil
BEST-HUTH UNIT AC 1H	42-255-33896	Active	Oil
BIEMER 01 01H	42-123-32560	Active	Gas
BLACKJACK UNIT A 2H	42-255-32284	Active	Oil
BLACKJACK UNIT A 1H	42-255-32255	Active	Oil
BLACKJACK UNIT B 1H	42-255-32377	Temporarily abandoned	Oil & gas
BLACKJACK UNIT B 2H	42-255-32386	Active	Oil & gas
BLACKJACK UNIT D 6H	42-255-33511	Active	Oil & gas
BLACKJACK UNIT D 5H	42-255-33539	Temporarily abandoned	Oil & gas
BLACKJACK UNIT D 1H	42-255-33910	Active	Oil & gas
BLACKJACK UNIT D 2H	42-255-33909	Active	Oil & gas
BLACKJACK UNIT D 4H	42-255-33538	Temporarily abandoned	Oil & gas
BLACKJACK UNIT D 3H	42-255-33908	Active	Oil & gas
BLACKJACK UNIT E 1H	42-255-33502	Active	Gas
BOLDT 01 01H	42-123-32421	Active	Gas
BOLDT 01 02H	42-123-32724	Active	Gas
BOLDT 01 07H	42-123-33528	Active	Gas
BOLDT 01 03H	42-123-33219	Active	Gas
BOLDT 01 04H	42-123-33220	Active	Gas
BOLDT 01 05H	42-123-33221	Active	Gas
BOLDT 01 08H	42-123-33529	Active	Gas
BOLDT 01 06H	42-123-33222	Active	Gas
BORIS UNIT 8H	42-255-33817	Active	Oil
BORIS UNIT 11H	42-255-34124	Active	Oil

Operator names are shown as each state records them. Data as of 2026-10-17.