CONROE FIELD UNIT

Oil · District 03 · Lease #11659

Operator: WAPITI OPERATING, LLC

Fields: CONROE

Cum Oil

26.7M BBL

Cum Gas

61.4M MCF

casinghead

Wells

664

Production

1993-01 — 2026-04

Peak Month

1993-01

Production History

Cum Oil: 26,652,805 BBL Cum Gas: 61,350,881 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

91,435 BBL/mo

Di (annual)

4.0%

b-factor

2.0

EUR

33,931,319 BBL

R-squared

0.528

type

hyperbolic

Operator History (from monthly production reports)

2024-11 — 2026-07 HIGHMARK ENERGY OPERATING, LLC 21 mo

2010-01 — 2024-10 DENBURY ONSHORE, LLC 178 mo

2006-09 — 2009-12 WAPITI OPERATING, LLC 40 mo

2000-04 — 2006-08 EXXON MOBIL CORPORATION 77 mo

1993-01 — 2000-03 EXXON CORP. 87 mo

Wells (664)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1633H	42-339-31126	HIGHMARK ENERGY OPERATING, LLC	1	5,100	2019-03-20
118D	42-339-01500	HIGHMARK ENERGY OPERATING, LLC	2	5,163	2018-06-07
2103	42-339-01500	HIGHMARK ENERGY OPERATING, LLC	2	5,163	2018-06-07
17D	42-339-01508	HIGHMARK ENERGY OPERATING, LLC	1	5,133	2017-11-20
76D	42-339-01288	HIGHMARK ENERGY OPERATING, LLC	1	5,102	2017-11-20
80 D	42-339-00599	HIGHMARK ENERGY OPERATING, LLC	1	5,147	2017-11-20
100D	42-339-01512	HIGHMARK ENERGY OPERATING, LLC	1	5,124	2017-11-16
1910	42-339-01470	HIGHMARK ENERGY OPERATING, LLC	1	5,126	2017-11-16
1910D	42-339-01470	HIGHMARK ENERGY OPERATING, LLC	1	5,126	2017-11-16
1637	42-339-31115	HIGHMARK ENERGY OPERATING, LLC	2	5,595	2016-05-16
223	42-339-30823	HIGHMARK ENERGY OPERATING, LLC	2	5,231	2016-01-15
1529	42-339-31119	HIGHMARK ENERGY OPERATING, LLC	1	5,454	2013-11-13
1528	42-339-31117	HIGHMARK ENERGY OPERATING, LLC	2	5,726	2013-07-26
1636	42-339-31116	HIGHMARK ENERGY OPERATING, LLC	1	5,578	2013-07-26
4170	42-339-31114	HIGHMARK ENERGY OPERATING, LLC	2	5,823	2013-07-26
2123	42-339-31109	HIGHMARK ENERGY OPERATING, LLC	2	5,712	2012-09-18
4160	42-339-30473	HIGHMARK ENERGY OPERATING, LLC	2	9,250	2011-07-12
320	42-339-31098	HIGHMARK ENERGY OPERATING, LLC	2	12,000	2011-06-27
2315	42-339-31089	HIGHMARK ENERGY OPERATING, LLC	2	6,504	2010-12-07
2315D	42-339-31089	HIGHMARK ENERGY OPERATING, LLC	2	6,504	2010-12-07
4038D	42-339-31091	HIGHMARK ENERGY OPERATING, LLC	1	6,500	2008-07-03
4040D	42-339-30414	HIGHMARK ENERGY OPERATING, LLC	2	12,000	2008-05-29
1520	42-339-00817	HIGHMARK ENERGY OPERATING, LLC	1	4,570	2007-04-16
2927	42-339-30151	HIGHMARK ENERGY OPERATING, LLC	1	2,000	2007-04-12
3507I	42-339-00666	HIGHMARK ENERGY OPERATING, LLC	2	4,910	2006-03-06
2804	42-339-00577	HIGHMARK ENERGY OPERATING, LLC	1	4,000	2004-12-10
3601	42-339-00795	HIGHMARK ENERGY OPERATING, LLC	1	3,800	2004-02-26
2402	42-339-00630	HIGHMARK ENERGY OPERATING, LLC	2	4,945	2003-05-21
403	42-339-00485	HIGHMARK ENERGY OPERATING, LLC	1	3,887	2003-02-04
1715	42-339-01859	HIGHMARK ENERGY OPERATING, LLC	1	3,887	2003-01-15
2408WS	42-339-00620	HIGHMARK ENERGY OPERATING, LLC	2	4,956	2003-01-06
1012	42-339-00592	HIGHMARK ENERGY OPERATING, LLC	1	3,887	2002-12-27
2204	42-339-00634	HIGHMARK ENERGY OPERATING, LLC	1	3,887	2002-12-27
2213	42-339-00643	HIGHMARK ENERGY OPERATING, LLC	1	4,845	2002-12-19
2213I	42-339-00643	HIGHMARK ENERGY OPERATING, LLC	1	4,845	2002-12-19
432	42-339-30433	HIGHMARK ENERGY OPERATING, LLC	3	5,700	2002-11-04
709	42-339-30057	HIGHMARK ENERGY OPERATING, LLC	2	5,600	2002-09-26
79D	42-339-00618	HIGHMARK ENERGY OPERATING, LLC	1	1,600	2002-09-05
433	42-339-30434	HIGHMARK ENERGY OPERATING, LLC	3	5,700	2002-09-04
1712	42-339-00329	HIGHMARK ENERGY OPERATING, LLC	1	5,010	2002-04-23
307	42-339-00711	HIGHMARK ENERGY OPERATING, LLC	6	5,171	2002-01-24
1006A	42-339-00586	HIGHMARK ENERGY OPERATING, LLC	2	5,141	2001-08-09
1401	42-339-00771	HIGHMARK ENERGY OPERATING, LLC	1	5,163	2001-08-03
1401I	42-339-00771	HIGHMARK ENERGY OPERATING, LLC	1	5,163	2001-08-03
414	42-339-01857	HIGHMARK ENERGY OPERATING, LLC	2	5,090	2001-07-25
1507	42-339-00826	HIGHMARK ENERGY OPERATING, LLC	1	5,156	2001-05-18
407I	42-339-00694	HIGHMARK ENERGY OPERATING, LLC	2	5,050	2000-09-08
2069	42-339-30422	HIGHMARK ENERGY OPERATING, LLC	3	9,900	2000-09-07
1925	42-339-01489	HIGHMARK ENERGY OPERATING, LLC	1	5,200	2000-08-08
2205I	42-339-00635	HIGHMARK ENERGY OPERATING, LLC	1	4,950	1997-08-19
3540	42-339-30831	HIGHMARK ENERGY OPERATING, LLC	2	5,230	1997-08-19
3540A	42-339-30831	HIGHMARK ENERGY OPERATING, LLC	2	5,230	1997-08-19
3540I	42-339-30831	HIGHMARK ENERGY OPERATING, LLC	2	5,230	1997-08-19
3504I	42-339-00663	HIGHMARK ENERGY OPERATING, LLC	1	5,100	1997-08-18
1602	42-339-01457	HIGHMARK ENERGY OPERATING, LLC	1	4,941	1997-08-14
1602I	42-339-01457	HIGHMARK ENERGY OPERATING, LLC	1	4,941	1997-08-14
411	42-339-30115	HIGHMARK ENERGY OPERATING, LLC	1	4,965	1997-08-13
411A	42-339-30115	HIGHMARK ENERGY OPERATING, LLC	1	4,965	1997-08-13
411I	42-339-30115	HIGHMARK ENERGY OPERATING, LLC	1	4,965	1997-08-13
404	42-339-00488	HIGHMARK ENERGY OPERATING, LLC	1	4,843	1997-08-08
404WS	42-339-00488	HIGHMARK ENERGY OPERATING, LLC	1	4,843	1997-08-08
214I	42-339-00718	HIGHMARK ENERGY OPERATING, LLC	1	4,945	1997-08-07
5509	42-339-01569	HIGHMARK ENERGY OPERATING, LLC	1	5,094	1996-12-12
3713	42-339-00491	HIGHMARK ENERGY OPERATING, LLC	1	5,095	1996-08-26
102D	42-339-01290	HIGHMARK ENERGY OPERATING, LLC	1	4,986	1993-02-04
4005	42-339-01290	HIGHMARK ENERGY OPERATING, LLC	1	4,986	1993-02-04
4005A	42-339-01290	HIGHMARK ENERGY OPERATING, LLC	1	4,986	1993-02-04
1004A	42-339-00584	HIGHMARK ENERGY OPERATING, LLC	3	5,166	1992-08-13
1948	42-339-30743	HIGHMARK ENERGY OPERATING, LLC	2	5,800	1991-07-11
2709	42-339-30094	HIGHMARK ENERGY OPERATING, LLC	3	5,400	1991-02-01
2709A	42-339-30094	HIGHMARK ENERGY OPERATING, LLC	3	5,400	1991-02-01
2926	42-339-00395	HIGHMARK ENERGY OPERATING, LLC	1	5,152	1991-02-01
3529I	42-339-30456	HIGHMARK ENERGY OPERATING, LLC	2	5,700	1990-06-22
1934	42-339-30488	HIGHMARK ENERGY OPERATING, LLC	2	5,700	1990-01-09
1404A	42-339-00757	HIGHMARK ENERGY OPERATING, LLC	1	5,145	1989-09-21
306A	42-339-00713	HIGHMARK ENERGY OPERATING, LLC	1	5,125	1989-08-24
1959	42-339-30834	HIGHMARK ENERGY OPERATING, LLC	1	5,230	1989-05-09
1959A	42-339-30834	HIGHMARK ENERGY OPERATING, LLC	1	5,230	1989-05-09
3541	42-339-30830	HIGHMARK ENERGY OPERATING, LLC	1	5,230	1989-03-20
1121	42-339-30821	HIGHMARK ENERGY OPERATING, LLC	2	5,220	1988-11-04
3911	42-339-30810	HIGHMARK ENERGY OPERATING, LLC	1	5,400	1988-04-05
112	42-339-30808	HIGHMARK ENERGY OPERATING, LLC	1	5,300	1988-03-11
2083	42-339-30807	HIGHMARK ENERGY OPERATING, LLC	1	5,300	1988-03-01
2314	42-339-30802	HIGHMARK ENERGY OPERATING, LLC	1	5,200	1988-02-01
2724	42-339-30794	HIGHMARK ENERGY OPERATING, LLC	2	5,200	1988-01-22
2724A	42-339-30794	HIGHMARK ENERGY OPERATING, LLC	2	5,200	1988-01-22
1957	42-339-30799	HIGHMARK ENERGY OPERATING, LLC	1	5,220	1988-01-18
2118	42-339-30690	HIGHMARK ENERGY OPERATING, LLC	2	9,625	1988-01-13
2118D	42-339-30690	HIGHMARK ENERGY OPERATING, LLC	2	9,625	1988-01-13
3623	42-339-30792	HIGHMARK ENERGY OPERATING, LLC	1	5,200	1987-12-14
3622	42-339-30785	HIGHMARK ENERGY OPERATING, LLC	2	5,200	1987-10-14
2813	42-339-30782	HIGHMARK ENERGY OPERATING, LLC	2	5,250	1987-09-11
1955	42-339-30778	HIGHMARK ENERGY OPERATING, LLC	1	5,200	1987-07-20
5510	42-339-30777	HIGHMARK ENERGY OPERATING, LLC	1	5,200	1987-07-10
3539	42-339-30817	HIGHMARK ENERGY OPERATING, LLC	1	5,220	1987-07-01
1954	42-339-30775	HIGHMARK ENERGY OPERATING, LLC	1	5,200	1987-06-23
1953	42-339-30774	HIGHMARK ENERGY OPERATING, LLC	1	5,200	1987-06-12
3716	42-339-30772	HIGHMARK ENERGY OPERATING, LLC	1	5,100	1987-06-10
3816	42-339-30773	HIGHMARK ENERGY OPERATING, LLC	1	5,160	1987-06-02
2081	42-339-30768	HIGHMARK ENERGY OPERATING, LLC	1	5,200	1987-04-23
1952	42-339-30766	HIGHMARK ENERGY OPERATING, LLC	2	5,200	1987-02-11
2116	42-339-30762	HIGHMARK ENERGY OPERATING, LLC	1	5,200	1986-12-05
2005	42-339-01497	HIGHMARK ENERGY OPERATING, LLC	1	5,071	1986-11-26
1016	42-339-30644	HIGHMARK ENERGY OPERATING, LLC	2	5,610	1986-09-16
1920 A	42-339-01481	HIGHMARK ENERGY OPERATING, LLC	1	5,164	1986-05-29
1920A	42-339-01481	HIGHMARK ENERGY OPERATING, LLC	1	5,164	1986-05-29
1920D	42-339-01481	HIGHMARK ENERGY OPERATING, LLC	1	5,164	1986-05-29
3709	42-339-01894	HIGHMARK ENERGY OPERATING, LLC	1	5,101	1986-05-15
4215A	42-339-00555	HIGHMARK ENERGY OPERATING, LLC	1	5,119	1986-05-05
718	42-339-30753	HIGHMARK ENERGY OPERATING, LLC	1	5,620	1986-02-28
1949	42-339-30751	HIGHMARK ENERGY OPERATING, LLC	1	5,800	1986-02-19
1951	42-339-30750	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1986-02-14
1720	42-339-30749	HIGHMARK ENERGY OPERATING, LLC	1	5,560	1986-02-11
1631	42-339-30748	HIGHMARK ENERGY OPERATING, LLC	1	5,550	1986-02-05
1630	42-339-30745	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1986-01-09
2723	42-339-30727	HIGHMARK ENERGY OPERATING, LLC	1	5,680	1985-06-24
2008	42-339-01504	HIGHMARK ENERGY OPERATING, LLC	1	5,123	1985-05-30
97D	42-339-30719	HIGHMARK ENERGY OPERATING, LLC	1	5,580	1985-05-30
623	42-339-30718	HIGHMARK ENERGY OPERATING, LLC	1	5,710	1985-05-22
1719	42-339-30717	HIGHMARK ENERGY OPERATING, LLC	1	5,545	1985-05-16
1818	42-339-30709	HIGHMARK ENERGY OPERATING, LLC	1	5,640	1985-03-20
2115	42-339-30711	HIGHMARK ENERGY OPERATING, LLC	1	5,600	1985-03-20
3910	42-339-30712	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1985-03-20
3532	42-339-30708	HIGHMARK ENERGY OPERATING, LLC	1	5,685	1985-02-19
3531	42-339-30707	HIGHMARK ENERGY OPERATING, LLC	1	5,825	1985-02-12
2077	42-339-30706	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1985-02-05
1018	42-339-30702	HIGHMARK ENERGY OPERATING, LLC	1	5,665	1985-01-23
109D	42-339-30702	HIGHMARK ENERGY OPERATING, LLC	1	5,665	1985-01-23
1947	42-339-30700	HIGHMARK ENERGY OPERATING, LLC	1	5,670	1984-12-31
1017	42-339-30694	HIGHMARK ENERGY OPERATING, LLC	1	5,670	1984-12-13
3621	42-339-30687	HIGHMARK ENERGY OPERATING, LLC	1	5,580	1984-11-13
1946	42-339-30676	HIGHMARK ENERGY OPERATING, LLC	1	5,650	1984-09-07
1946I	42-339-30676	HIGHMARK ENERGY OPERATING, LLC	1	5,650	1984-09-07
3620	42-339-30674	HIGHMARK ENERGY OPERATING, LLC	1	5,590	1984-09-07
96D	42-339-30668	HIGHMARK ENERGY OPERATING, LLC	1	4,350	1984-07-27
2215	42-339-30653	HIGHMARK ENERGY OPERATING, LLC	3	5,600	1984-07-06
2722	42-339-30661	HIGHMARK ENERGY OPERATING, LLC	1	5,680	1984-05-30
2721	42-339-30654	HIGHMARK ENERGY OPERATING, LLC	1	5,680	1984-05-16
2214	42-339-30648	HIGHMARK ENERGY OPERATING, LLC	2	5,600	1984-05-10
222	42-339-30647	HIGHMARK ENERGY OPERATING, LLC	2	5,570	1984-04-23
1944	42-339-30643	HIGHMARK ENERGY OPERATING, LLC	2	5,640	1984-04-18
3530	42-339-30652	HIGHMARK ENERGY OPERATING, LLC	1	5,665	1984-04-18
1945	42-339-30636	HIGHMARK ENERGY OPERATING, LLC	2	5,600	1984-03-20
3210	42-339-30639	HIGHMARK ENERGY OPERATING, LLC	1	5,650	1984-03-16
412	42-339-01938	HIGHMARK ENERGY OPERATING, LLC	1	5,117	1984-02-27
3209	42-339-30633	HIGHMARK ENERGY OPERATING, LLC	1	5,680	1984-01-13
2073	42-339-30631	HIGHMARK ENERGY OPERATING, LLC	2	5,600	1984-01-10
1943	42-339-30625	HIGHMARK ENERGY OPERATING, LLC	2	5,610	1983-12-30
1942	42-339-30620	HIGHMARK ENERGY OPERATING, LLC	2	5,770	1983-12-06
221	42-339-30621	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1983-12-02
3208	42-339-30622	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1983-12-02
95D	42-339-30618	HIGHMARK ENERGY OPERATING, LLC	1	4,200	1983-11-18
220	42-339-30616	HIGHMARK ENERGY OPERATING, LLC	2	6,600	1983-11-07
220D	42-339-30616	HIGHMARK ENERGY OPERATING, LLC	2	6,600	1983-11-07
3619	42-339-30606	HIGHMARK ENERGY OPERATING, LLC	1	5,600	1983-09-22
3815	42-339-30602	HIGHMARK ENERGY OPERATING, LLC	1	5,575	1983-08-08
3207	42-339-30599	HIGHMARK ENERGY OPERATING, LLC	1	5,630	1983-07-26
2071	42-339-30585	HIGHMARK ENERGY OPERATING, LLC	1	5,600	1983-06-10
108D	42-339-30586	HIGHMARK ENERGY OPERATING, LLC	2	5,630	1983-06-07
111	42-339-30576	HIGHMARK ENERGY OPERATING, LLC	3	5,625	1983-06-07
1118	42-339-30587	HIGHMARK ENERGY OPERATING, LLC	2	5,640	1983-06-07
1119	42-339-30586	HIGHMARK ENERGY OPERATING, LLC	2	5,630	1983-06-07
1811	42-339-00802	HIGHMARK ENERGY OPERATING, LLC	1	5,133	1983-06-07
3814	42-339-30584	HIGHMARK ENERGY OPERATING, LLC	2	5,575	1983-06-07
1015	42-339-30572	HIGHMARK ENERGY OPERATING, LLC	2	5,700	1983-03-30
104D	42-339-30572	HIGHMARK ENERGY OPERATING, LLC	2	5,700	1983-03-30
1940	42-339-30577	HIGHMARK ENERGY OPERATING, LLC	1	5,690	1983-03-30
1941	42-339-30575	HIGHMARK ENERGY OPERATING, LLC	1	5,640	1983-03-30
2720	42-339-30574	HIGHMARK ENERGY OPERATING, LLC	1	5,620	1983-03-30
3909	42-339-30570	HIGHMARK ENERGY OPERATING, LLC	1	5,685	1983-03-30
2719	42-339-30567	HIGHMARK ENERGY OPERATING, LLC	1	5,620	1983-03-29
1939	42-339-30571	HIGHMARK ENERGY OPERATING, LLC	1	5,620	1983-03-28
2717	42-339-30544	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1983-02-14
1937	42-339-30564	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1983-02-04
1938	42-339-30560	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1983-02-04
2070	42-339-30563	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1983-02-04
1316	42-339-30561	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1983-02-02
1936	42-339-30562	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1983-01-24
2909	42-339-00368	HIGHMARK ENERGY OPERATING, LLC	1	5,134	1982-03-22
219	42-339-30522	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1981-09-17
3813	42-339-30519	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1981-08-17
1935	42-339-30514	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1981-07-14
110D	42-339-30512	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1981-07-06
2718	42-339-30512	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1981-07-06
3908	42-339-30506	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1981-04-15
717	42-339-30503	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1981-03-23
1718	42-339-30500	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1981-02-18
1718A	42-339-30500	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1981-02-18
1717	42-339-30498	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1981-02-12
218	42-339-30489	HIGHMARK ENERGY OPERATING, LLC	2	5,700	1981-01-12
2715	42-339-30471	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1980-06-30
436	42-339-30480	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1980-04-11
517	42-339-30479	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1980-04-09
2812	42-339-30475	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1980-03-25
3907	42-339-30476	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1980-03-21
1626	42-339-30467	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1980-01-21
1628	42-339-30468	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1980-01-21
1933	42-339-30470	HIGHMARK ENERGY OPERATING, LLC	1	5,950	1979-12-27
1932	42-339-30469	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1979-12-18
1627	42-339-30465	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1979-11-30
2811	42-339-30466	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1979-11-30
1625	42-339-30462	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1979-10-19
3011	42-339-30461	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1979-10-19
311	42-339-30454	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1979-09-17
3812	42-339-30453	HIGHMARK ENERGY OPERATING, LLC	1	5,200	1979-09-10
1931	42-339-30450	HIGHMARK ENERGY OPERATING, LLC	1	5,770	1979-08-16
1931A	42-339-30450	HIGHMARK ENERGY OPERATING, LLC	1	5,770	1979-08-16
3810	42-339-30448	HIGHMARK ENERGY OPERATING, LLC	1	950	1979-07-24
435	42-339-30449	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1979-07-24
3811	42-339-30446	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1979-06-13
107D	42-339-30439	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1979-05-01
1117	42-339-30439	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1979-05-01
2414	42-339-30437	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1979-04-12
217	42-339-30418	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1978-12-11
308	42-339-30419	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1978-12-11
1930	42-339-30417	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1978-11-27
110	42-339-30410	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1978-08-21
1629	42-339-30411	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1978-08-21
309	42-339-30409	HIGHMARK ENERGY OPERATING, LLC	1	5,700	1978-07-12
109	42-339-30406	HIGHMARK ENERGY OPERATING, LLC	1	5,850	1978-06-12
310	42-339-30407	HIGHMARK ENERGY OPERATING, LLC	1	5,800	1978-06-12
310D	42-339-30407	HIGHMARK ENERGY OPERATING, LLC	1	5,800	1978-06-12
4013	42-339-30208	HIGHMARK ENERGY OPERATING, LLC	2	10,000	1977-08-29
1001	42-339-00581	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1003	42-339-00583	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1007	42-339-30123	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1008	42-339-00587	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1009	42-339-00588	HIGHMARK ENERGY OPERATING, LLC	--	--	--
101	42-339-01326	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1010	42-339-00589	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1011	42-339-00591	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1014	42-339-00579	HIGHMARK ENERGY OPERATING, LLC	--	--	--
102	42-339-01436	HIGHMARK ENERGY OPERATING, LLC	--	--	--
103	42-339-01437	HIGHMARK ENERGY OPERATING, LLC	--	--	--
104	42-339-01438	HIGHMARK ENERGY OPERATING, LLC	--	--	--
105	42-339-01439	HIGHMARK ENERGY OPERATING, LLC	--	--	--
106	42-339-01327	HIGHMARK ENERGY OPERATING, LLC	--	--	--
10D	42-339-00602	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1101	42-339-01945	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1102	42-339-00594	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1103	42-339-00595	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1104	42-339-00596	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1109	42-339-00598	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1110	42-339-00603	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1111	42-339-00608	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1113	42-339-00779	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1114	42-339-00780	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1114D	42-339-00780	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1115	42-339-00597	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1116	42-339-00580	HIGHMARK ENERGY OPERATING, LLC	--	--	--
112D	42-339-00459	HIGHMARK ENERGY OPERATING, LLC	--	--	--
11D	42-339-30021	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1201	42-339-00731	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1203	42-339-00733	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1301L	42-339-00744	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1302I	42-339-00745	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1304	42-339-00747	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1305	42-339-00748	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1306	42-339-00749	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1307	42-339-00750	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1310	42-339-00761	HIGHMARK ENERGY OPERATING, LLC	--	--	--
131L	42-339-00744	HIGHMARK ENERGY OPERATING, LLC	--	--	--
13D	42-339-01308	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1403	42-339-00768	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1409	42-339-00773	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1410	42-339-00776	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1501	42-339-00819	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1502	42-339-00813	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1503	42-339-30041	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1505	42-339-00824	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1506	42-339-00825	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1508	42-339-00829	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1513	42-339-01536	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1514	42-339-01537	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1516	42-339-30060	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1517	42-339-00806	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1603	42-339-01458	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1605	42-339-01461	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1606	42-339-01462	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1607	42-339-01463	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1607I	42-339-01463	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1608	42-339-01465	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1610	42-339-01467	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1611	42-339-01468	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1612	42-339-01471	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1613	42-339-01472	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1614	42-339-01474	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1615	42-339-00725	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1616	42-339-00726	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1617	42-339-01484	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1618	42-339-01485	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1621	42-339-01556	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1622	42-339-01553	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1701	42-339-00309	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1702	42-339-00323	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1703	42-339-00324	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1704	42-339-00326	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1705	42-339-00345	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1707	42-339-00348	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1708	42-339-00298	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1709	42-339-30121	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1713	42-339-00332	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1805	42-339-30067	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1807	42-339-00798	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1808	42-339-00799	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1809	42-339-00805	HIGHMARK ENERGY OPERATING, LLC	--	--	--
18D	42-339-00460	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1901	42-339-01319	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1901D	42-339-01319	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1902	42-339-01320	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1903	42-339-01318	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1904	42-339-01464	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1905	42-339-01469	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1906	42-339-01323	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1907	42-339-01321	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1908	42-339-01317	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1909	42-339-01460	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1911	42-339-01311	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1913	42-339-01475	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1914	42-339-01476	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1915	42-339-01477	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1916	42-339-01322	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1917	42-339-01478	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1918	42-339-01479	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1921	42-339-01482	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1922	42-339-01483	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1923	42-339-01486	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1924	42-339-01488	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1926	42-339-01490	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1927	42-339-01324	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1928	42-339-01325	HIGHMARK ENERGY OPERATING, LLC	--	--	--
19D	42-339-01459	HIGHMARK ENERGY OPERATING, LLC	--	--	--
1D	42-339-00590	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2002	42-339-01341	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2003	42-339-01496	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2004	42-339-01366	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2006	42-339-01502	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2007	42-339-01503	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2009	42-339-01363	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2010	42-339-01364	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2013	42-339-01514	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2015	42-339-01516	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2016	42-339-01517	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2017	42-339-01518	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2018	42-339-01519	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2019	42-339-01520	HIGHMARK ENERGY OPERATING, LLC	--	--	--
202	42-339-00722	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2021	42-339-30148	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2022	42-339-01653	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2023	42-339-01654	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2024	42-339-01655	HIGHMARK ENERGY OPERATING, LLC	--	--	--
203	42-339-01445	HIGHMARK ENERGY OPERATING, LLC	--	--	--
205	42-339-00724	HIGHMARK ENERGY OPERATING, LLC	--	--	--
206	42-339-01446	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2067	42-339-30069	HIGHMARK ENERGY OPERATING, LLC	--	--	--
207	42-339-01447	HIGHMARK ENERGY OPERATING, LLC	--	--	--
208	42-339-01448	HIGHMARK ENERGY OPERATING, LLC	--	--	--
209	42-339-01449	HIGHMARK ENERGY OPERATING, LLC	--	--	--
210	42-339-01440	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2101	42-339-01498	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2102	42-339-01499	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2104	42-339-01501	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2105	42-339-01505	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2106	42-339-01506	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2107	42-339-01507	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2108	42-339-01509	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2109	42-339-01511	HIGHMARK ENERGY OPERATING, LLC	--	--	--
211	42-339-01441	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2111	42-339-01513	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2112	42-339-01522	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2112I	42-339-01522	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2113	42-339-01523	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2114	42-339-01524	HIGHMARK ENERGY OPERATING, LLC	--	--	--
212	42-339-01442	HIGHMARK ENERGY OPERATING, LLC	--	--	--
213	42-339-01443	HIGHMARK ENERGY OPERATING, LLC	--	--	--
215	42-339-00719	HIGHMARK ENERGY OPERATING, LLC	--	--	--
216	42-339-00720	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2202	42-339-00633	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2203	42-339-00659	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2207	42-339-00637	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2208	42-339-00638	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2209	42-339-00639	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2210	42-339-00640	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2211	42-339-00641	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2212	42-339-00642	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2302	42-339-00627	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2303	42-339-00628	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2304	42-339-00465	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2305	42-339-00611	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2306	42-339-00616	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2307	42-339-00617	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2309	42-339-00622	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2310	42-339-00625	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2311	42-339-00476	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2401WS	42-339-00629	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2403WS	42-339-00610	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2404	42-339-00612	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2406	42-339-00614	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2407	42-339-00615	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2409	42-339-00621	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2410	42-339-00623	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2411	42-339-00624	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2412WS	42-339-30085	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2413	42-339-30141	HIGHMARK ENERGY OPERATING, LLC	--	--	--
26D	42-339-30164	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2702	42-339-00561	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2703	42-339-00562	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2704	42-339-00564	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2705	42-339-00572	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2706	42-339-00567	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2707	42-339-00569	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2708	42-339-00568	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2711	42-339-01870	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2712	42-339-00563	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2713	42-339-00565	HIGHMARK ENERGY OPERATING, LLC	--	--	--
27D	42-339-00801	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2801	42-339-00574	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2802	42-339-00575	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2805	42-339-00578	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2806	42-339-00656	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2807	42-339-00655	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2808	42-339-00653	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2809	42-339-00652	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2902	42-339-00412	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2906	42-339-00380	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2907	42-339-00361	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2908	42-339-00366	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2911	42-339-00372	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2912	42-339-00375	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2913	42-339-00376	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2914	42-339-00377	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2915	42-339-00382	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2917	42-339-00385	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2918	42-339-00386	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2920	42-339-00388	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2921	42-339-00389	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2922	42-339-00390	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2923	42-339-00391	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2924	42-339-00394	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2925	42-339-00393	HIGHMARK ENERGY OPERATING, LLC	--	--	--
2929	42-339-01941	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3001	42-339-00381	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3002	42-339-00363	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3003	42-339-00367	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3004	42-339-00370	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3006	42-339-00374	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3007	42-339-00378	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3008	42-339-00379	HIGHMARK ENERGY OPERATING, LLC	--	--	--
301	42-339-00715	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3010	42-339-30170	HIGHMARK ENERGY OPERATING, LLC	--	--	--
301L	42-339-00381	HIGHMARK ENERGY OPERATING, LLC	--	--	--
302	42-339-00716	HIGHMARK ENERGY OPERATING, LLC	--	--	--
303	42-339-00717	HIGHMARK ENERGY OPERATING, LLC	--	--	--
304	42-339-30139	HIGHMARK ENERGY OPERATING, LLC	--	--	--
305	42-339-00816	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3101	42-339-00645	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3102	42-339-00646	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3103	42-339-00647	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3104	42-339-00648	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3105	42-339-00649	HIGHMARK ENERGY OPERATING, LLC	--	--	--
315T	42-339-00649	HIGHMARK ENERGY OPERATING, LLC	--	--	--
31D	42-339-00364	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3201	42-339-00752	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3202	42-339-00753	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3203	42-339-00754	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3204	42-339-00755	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3205	42-339-00756	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3206	42-339-00772	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3302	42-339-00437	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3310	42-339-30040	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3311	42-339-01221	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3312	42-339-01199	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3313	42-339-00443	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3314	42-339-00442	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3315	42-339-01223	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3316	42-339-01222	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3317	42-339-01226	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3319	42-339-01232	HIGHMARK ENERGY OPERATING, LLC	--	--	--
331L	42-339-00441	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3320	42-339-01233	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3321	42-339-01235	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3326	42-339-01200	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3330	42-339-30083	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3401	42-339-00444	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3402	42-339-00445	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3403WS	42-339-00446	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3501	42-339-00660	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3501A	42-339-00660	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3502	42-339-00661	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3503	42-339-00662	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3505	42-339-00664	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3508	42-339-00667	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3509	42-339-00668	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3510	42-339-00669	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3511	42-339-00686	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3514	42-339-30116	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3515	42-339-00677	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3516	42-339-00678	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3517	42-339-00679	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3518	42-339-00680	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3519	42-339-30063	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3522	42-339-00688	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3523	42-339-00689	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3524	42-339-00690	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3525	42-339-00691	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3526	42-339-00692	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3528	42-339-00698	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3602	42-339-00778	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3603	42-339-00781	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3604	42-339-30130	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3605	42-339-00782	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3606	42-339-00783	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3609	42-339-00786	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3610	42-339-00787	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3611	42-339-00788	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3612	42-339-00789	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3613	42-339-00790	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3614	42-339-00791	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3615	42-339-00792	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3616	42-339-00793	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3617	42-339-00797	HIGHMARK ENERGY OPERATING, LLC	--	--	--
36D	42-339-00571	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3702	42-339-01227	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3703	42-339-00451	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3704	42-339-01228	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3705	42-339-01229	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3706	42-339-01230	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3707	42-339-00452	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3708	42-339-00448	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3710	42-339-00449	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3711	42-339-30159	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3712	42-339-00493	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3714	42-339-00490	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3715	42-339-00489	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3715I	42-339-00489	HIGHMARK ENERGY OPERATING, LLC	--	--	--
37D	42-339-00570	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3801	42-339-00685	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3802	42-339-00672	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3803	42-339-00674	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3804	42-339-01435	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3805	42-339-01251	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3806	42-339-00675	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3807	42-339-01252	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3808	42-339-01253	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3809	42-339-00676	HIGHMARK ENERGY OPERATING, LLC	--	--	--
38D	42-339-01291	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3901	42-339-01450	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3902	42-339-01451	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3903	42-339-01452	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3904	42-339-01453	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3905	42-339-01454	HIGHMARK ENERGY OPERATING, LLC	--	--	--
3906	42-339-01491	HIGHMARK ENERGY OPERATING, LLC	--	--	--
39D	42-339-01300	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4001	42-339-01302	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4002	42-339-01287	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4003WS	42-339-01301	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4007	42-339-01292	HIGHMARK ENERGY OPERATING, LLC	--	--	--
401	42-339-00453	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4011	42-339-01286	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4014	42-339-30107	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4014D	42-339-30107	HIGHMARK ENERGY OPERATING, LLC	--	--	--
401L	42-339-00453	HIGHMARK ENERGY OPERATING, LLC	--	--	--
402	42-339-00486	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4023	42-339-01265	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4025	42-339-01267	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4032	42-339-30140	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4033	42-339-01281	HIGHMARK ENERGY OPERATING, LLC	--	--	--
405	42-339-00492	HIGHMARK ENERGY OPERATING, LLC	--	--	--
406	42-339-00693	HIGHMARK ENERGY OPERATING, LLC	--	--	--
408	42-339-00695	HIGHMARK ENERGY OPERATING, LLC	--	--	--
409	42-339-00696	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4102	42-339-01540	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4103	42-339-01541	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4106	42-339-01547	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4107	42-339-01543	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4109	42-339-01493	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4110	42-339-01494	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4111	42-339-01495	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4112	42-339-01526	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4112I	42-339-01526	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4113	42-339-01527	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4114	42-339-01528	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4115	42-339-01529	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4116	42-339-01530	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4117	42-339-01531	HIGHMARK ENERGY OPERATING, LLC	--	--	--
413	42-339-01858	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4149	42-339-01561	HIGHMARK ENERGY OPERATING, LLC	--	--	--
415	42-339-01944	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4150	42-339-01549	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4151	42-339-01554	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4155	42-339-01876	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4156	42-339-01874	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4157	42-339-01873	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4158	42-339-01562	HIGHMARK ENERGY OPERATING, LLC	--	--	--
419	42-339-00456	HIGHMARK ENERGY OPERATING, LLC	--	--	--
421WS	42-339-00482	HIGHMARK ENERGY OPERATING, LLC	--	--	--
422	42-339-00455	HIGHMARK ENERGY OPERATING, LLC	--	--	--
424WS	42-339-00494	HIGHMARK ENERGY OPERATING, LLC	--	--	--
425	42-339-00700	HIGHMARK ENERGY OPERATING, LLC	--	--	--
427	42-339-00701	HIGHMARK ENERGY OPERATING, LLC	--	--	--
430	42-339-00687	HIGHMARK ENERGY OPERATING, LLC	--	--	--
4D	42-339-00315	HIGHMARK ENERGY OPERATING, LLC	--	--	--
502	42-339-00466	HIGHMARK ENERGY OPERATING, LLC	--	--	--
504	42-339-00459	HIGHMARK ENERGY OPERATING, LLC	--	--	--
506	42-339-00468	HIGHMARK ENERGY OPERATING, LLC	--	--	--
507	42-339-00469	HIGHMARK ENERGY OPERATING, LLC	--	--	--
508	42-339-00470	HIGHMARK ENERGY OPERATING, LLC	--	--	--
508L	42-339-00470	HIGHMARK ENERGY OPERATING, LLC	--	--	--
509	42-339-00472	HIGHMARK ENERGY OPERATING, LLC	--	--	--
511	42-339-00474	HIGHMARK ENERGY OPERATING, LLC	--	--	--
511I	42-339-00474	HIGHMARK ENERGY OPERATING, LLC	--	--	--
512	42-339-00475	HIGHMARK ENERGY OPERATING, LLC	--	--	--
513	42-339-00463	HIGHMARK ENERGY OPERATING, LLC	--	--	--
514	42-339-00477	HIGHMARK ENERGY OPERATING, LLC	--	--	--
515	42-339-00478	HIGHMARK ENERGY OPERATING, LLC	--	--	--
516	42-339-00462	HIGHMARK ENERGY OPERATING, LLC	--	--	--
5302	42-339-30095	HIGHMARK ENERGY OPERATING, LLC	--	--	--
5504	42-339-01568	HIGHMARK ENERGY OPERATING, LLC	--	--	--
5505	42-339-01570	HIGHMARK ENERGY OPERATING, LLC	--	--	--
5D	42-339-00274	HIGHMARK ENERGY OPERATING, LLC	--	--	--
603	42-339-00331	HIGHMARK ENERGY OPERATING, LLC	--	--	--
604	42-339-00339	HIGHMARK ENERGY OPERATING, LLC	--	--	--
605	42-339-00344	HIGHMARK ENERGY OPERATING, LLC	--	--	--
609	42-339-00304	HIGHMARK ENERGY OPERATING, LLC	--	--	--
611	42-339-00319	HIGHMARK ENERGY OPERATING, LLC	--	--	--
613	42-339-00322	HIGHMARK ENERGY OPERATING, LLC	--	--	--
619	42-339-00343	HIGHMARK ENERGY OPERATING, LLC	--	--	--
620	42-339-00359	HIGHMARK ENERGY OPERATING, LLC	--	--	--
64D	42-339-00763	HIGHMARK ENERGY OPERATING, LLC	--	--	--
65D	42-339-01246	HIGHMARK ENERGY OPERATING, LLC	--	--	--
67D	42-339-01380	HIGHMARK ENERGY OPERATING, LLC	--	--	--
68D	42-339-01273	HIGHMARK ENERGY OPERATING, LLC	--	--	--
69D	42-339-01379	HIGHMARK ENERGY OPERATING, LLC	--	--	--
6D	42-339-00317	HIGHMARK ENERGY OPERATING, LLC	--	--	--
704	42-339-00346	HIGHMARK ENERGY OPERATING, LLC	--	--	--
705	42-339-00287	HIGHMARK ENERGY OPERATING, LLC	--	--	--
706	42-339-00288	HIGHMARK ENERGY OPERATING, LLC	--	--	--
708	42-339-00290	HIGHMARK ENERGY OPERATING, LLC	--	--	--
70D	42-339-01274	HIGHMARK ENERGY OPERATING, LLC	--	--	--
710	42-339-30127	HIGHMARK ENERGY OPERATING, LLC	--	--	--
711	42-339-00312	HIGHMARK ENERGY OPERATING, LLC	--	--	--
713	42-339-00335	HIGHMARK ENERGY OPERATING, LLC	--	--	--
72D	42-339-01480	HIGHMARK ENERGY OPERATING, LLC	--	--	--
74D	42-339-01456	HIGHMARK ENERGY OPERATING, LLC	--	--	--
75D	42-339-00467	HIGHMARK ENERGY OPERATING, LLC	--	--	--
77D	42-339-01293	HIGHMARK ENERGY OPERATING, LLC	--	--	--
78D	42-339-00464	HIGHMARK ENERGY OPERATING, LLC	--	--	--
802	42-339-00528	HIGHMARK ENERGY OPERATING, LLC	--	--	--
805	42-339-00242	HIGHMARK ENERGY OPERATING, LLC	--	--	--
806	42-339-00243	HIGHMARK ENERGY OPERATING, LLC	--	--	--
807	42-339-00244	HIGHMARK ENERGY OPERATING, LLC	--	--	--
808	42-339-00532	HIGHMARK ENERGY OPERATING, LLC	--	--	--
82D	42-339-01487	HIGHMARK ENERGY OPERATING, LLC	--	--	--
84 D	42-339-00613	HIGHMARK ENERGY OPERATING, LLC	--	--	--
86D	42-339-00626	HIGHMARK ENERGY OPERATING, LLC	--	--	--
88D	42-339-30122	HIGHMARK ENERGY OPERATING, LLC	--	--	--
89 D	42-339-00387	HIGHMARK ENERGY OPERATING, LLC	--	--	--
8D	42-339-00684	HIGHMARK ENERGY OPERATING, LLC	--	--	--
906	42-339-00538	HIGHMARK ENERGY OPERATING, LLC	--	--	--
907	42-339-30120	HIGHMARK ENERGY OPERATING, LLC	--	--	--
90D	42-339-01466	HIGHMARK ENERGY OPERATING, LLC	--	--	--
914	42-339-00524	HIGHMARK ENERGY OPERATING, LLC	--	--	--
91 D	42-339-00473	HIGHMARK ENERGY OPERATING, LLC	--	--	--
91D	42-339-00473	HIGHMARK ENERGY OPERATING, LLC	--	--	--

CONROE FIELD UNIT

Production HistoryBeta Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]

Decline Curve Analysis

Operator History (from monthly production reports)

Wells (664)

Production History