NORTH PIONEER UNIT

Oil // district 8 // lease#18207

op: VANGUARD PERMIAN, LLC

fields: EASTLAND COUNTY REGULAR

cum_oil

1.3M BBL

cum_gas

0 MCF

wells

129

production

1993-01 — 2026-03

peak_month

1993-01

-- production_history

cum_oil: 1,252,037 BBL cum_gas: 0 MCF

-- decline_curve_analysis

9,738 BBL/mo

Di (annual)

13.5%

b-factor

0.6

EUR

1,430,222 BBL

R-squared

0.923

type

hyperbolic

-- wells (129)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1720	42-133-33609	SEVEN CROSS OPERATING, LLC	2	2,600	2022-08-03
1720A	42-133-33609	SEVEN CROSS OPERATING, LLC	2	2,600	2022-08-03
1915	42-133-32527	SEVEN CROSS OPERATING, LLC	2	2,700	2022-08-03
1917	42-133-32529	SEVEN CROSS OPERATING, LLC	2	2,700	2022-08-03
1406	42-133-37264	CLYDE PETROLEUM, INC.	1	2,700	1988-04-13
1207	42-133-37240	CLYDE PETROLEUM, INC.	1	2,700	1988-02-22
1405	42-133-36199	CLYDE PETROLEUM, INC.	1	2,600	1984-11-21
1407	42-133-36200	CLYDE PETROLEUM, INC.	1	2,600	1984-11-21
1206	42-133-36152	CLYDE PETROLEUM, INC.	1	2,600	1984-10-19
1208	42-133-36153	CLYDE PETROLEUM, INC.	1	2,600	1984-10-19
203	42-133-36151	CLYDE PETROLEUM, INC.	1	2,600	1984-10-19
409	42-133-36053	CLYDE PETROLEUM, INC.	1	2,600	1984-08-31
1205	42-133-35963	CLYDE PETROLEUM, INC.	1	2,700	1984-06-26
1612	42-133-35782	CLYDE PETROLEUM, INC.	1	2,750	1984-04-02
807	42-133-35783	CLYDE PETROLEUM, INC.	1	2,750	1984-04-02
411	42-133-35582	CORDOVA RESOURCES INC.	1	2,600	1983-12-23
804	42-133-35581	CORDOVA RESOURCES INC.	1	2,600	1983-12-23
408	42-133-35451	CORDOVA RESOURCES INC.	1	2,600	1983-10-25
702	42-133-35452	CORDOVA RESOURCES INC.	1	2,600	1983-10-25
802 A	42-133-34221	CORDOVA RESOURCES INC.	1	2,600	1982-08-13
1106	42-133-34110	CORDOVA RESOURCES INC.	1	2,600	1982-07-09
1403	42-133-34109	CORDOVA RESOURCES INC.	1	2,600	1982-07-09
1003	42-133-34090	CORDOVA RESOURCES INC.	1	2,600	1982-06-29
1004	42-133-34088	CORDOVA RESOURCES INC.	1	2,600	1982-06-29
1204	42-133-34087	CORDOVA RESOURCES INC.	1	2,600	1982-06-29
803	42-133-34089	CORDOVA RESOURCES INC.	1	2,600	1982-06-29
907	42-133-34071	CORDOVA RESOURCES INC.	1	2,600	1982-06-23
1006	42-133-34055	CORDOVA RESOURCES INC.	1	2,600	1982-06-21
1104	42-133-34056	CORDOVA RESOURCES INC.	1	2,600	1982-06-21
1105	42-133-34057	CORDOVA RESOURCES INC.	1	2,600	1982-06-21
1608	42-133-34058	CORDOVA RESOURCES INC.	1	2,600	1982-06-21
1610	42-133-34059	CORDOVA RESOURCES INC.	1	2,600	1982-06-21
412	42-133-34060	CORDOVA RESOURCES INC.	1	2,600	1982-06-21
906	42-133-34061	CORDOVA RESOURCES INC.	1	2,600	1982-06-21
908	42-133-33761	CORDOVA RESOURCES INC.	1	2,600	1982-05-05
1611	42-133-33793	CORDOVA RESOURCES INC.	1	2,600	1982-04-07
1722	42-133-33795	CORDOVA RESOURCES INC.	1	2,600	1982-04-07
1804	42-133-33794	CORDOVA RESOURCES INC.	1	2,600	1982-04-07
1005	42-133-33748	CORDOVA RESOURCES INC.	1	2,600	1982-03-16
1203	42-133-33749	CORDOVA RESOURCES INC.	1	2,600	1982-03-16
1404	42-133-33750	CORDOVA RESOURCES INC.	1	2,600	1982-03-16
1508	42-133-33717	CORDOVA RESOURCES INC.	1	2,600	1982-03-11
2002	42-133-33718	CORDOVA RESOURCES INC.	1	2,600	1982-03-11
2004	42-133-33719	CORDOVA RESOURCES INC.	1	2,600	1982-03-11
2205	42-133-33721	CORDOVA RESOURCES INC.	1	2,600	1982-03-11
2206	42-133-33720	CORDOVA RESOURCES INC.	1	2,600	1982-03-11
1509	42-133-33696	CORDOVA RESOURCES INC.	1	2,600	1982-03-02
1510	42-133-33697	CORDOVA RESOURCES INC.	1	2,600	1982-03-02
2203	42-133-33698	CORDOVA RESOURCES INC.	1	2,600	1982-03-02
1607	42-133-33650	CORDOVA RESOURCES INC.	1	2,600	1982-01-25
1609	42-133-33649	CORDOVA RESOURCES INC.	1	2,600	1982-01-25
1719	42-133-33611	CORDOVA RESOURCES INC.	1	2,600	1981-12-31
1721	42-133-33610	CORDOVA RESOURCES INC.	1	2,600	1981-12-31
2204	42-133-33595	CORDOVA RESOURCES INC.	1	2,600	1981-12-31
2404	42-133-33594	CORDOVA RESOURCES INC.	1	2,600	1981-12-31
2405	42-133-33593	CORDOVA RESOURCES INC.	1	2,600	1981-12-31
2302	42-133-33558	CORDOVA RESOURCES INC.	1	2,600	1981-12-16
2406W	42-133-33556	CORDOVA RESOURCES INC.	1	2,600	1981-12-16
2407	42-133-33557	CORDOVA RESOURCES INC.	1	2,600	1981-12-16
1716	42-133-32546	CORDOVA RESOURCES INC.	2	2,700	1981-08-31
2003	42-133-33206	CORDOVA RESOURCES INC.	1	2,600	1981-07-21
2202	42-133-32919	CORDOVA RESOURCES INC.	2	2,600	1981-07-02
1511	42-133-33191	CORDOVA RESOURCES INC.	1	2,600	1981-06-30
905	42-133-32966	CORDOVA RESOURCES INC.	1	2,600	1981-04-22
1202	42-133-32974	CORDOVA RESOURCES INC.	1	2,600	1981-04-16
1803	42-133-32975	CORDOVA RESOURCES INC.	1	2,600	1981-04-16
2103	42-133-32973	CORDOVA RESOURCES INC.	1	2,600	1981-04-16
1606	42-133-32921	CORDOVA RESOURCES INC.	1	2,600	1981-03-26
1802	42-133-32920	CORDOVA RESOURCES INC.	1	2,600	1981-03-25
1002	42-133-32875	CORDOVA RESOURCES INC.	1	2,600	1981-03-16
1102	42-133-32893	CORDOVA RESOURCES INC.	1	2,600	1981-03-10
1718	42-133-32894	CORDOVA RESOURCES INC.	1	2,600	1981-03-10
2403	42-133-32788	CORDOVA RESOURCES INC.	1	2,600	1981-03-05
2201	42-133-32804	CORDOVA RESOURCES INC.	1	2,600	1981-01-30
1103	42-133-32796	CORDOVA RESOURCES INC.	1	2,600	1981-01-29
2301	42-133-32795	CORDOVA RESOURCES INC.	1	2,600	1981-01-29
1717	42-133-32543	CORDOVA RESOURCES INC.	1	2,700	1980-10-06
1505	42-133-32548	CORDOVA RESOURCES INC.	1	2,700	1980-09-26
1604	42-133-32544	CORDOVA RESOURCES INC.	1	2,700	1980-09-26
1918	42-133-32545	CORDOVA RESOURCES INC.	1	2,700	1980-09-26
1506	42-133-32526	CORDOVA RESOURCES INC.	1	2,700	1980-09-16
1605	42-133-32525	CORDOVA RESOURCES INC.	1	2,700	1980-09-16
1916	42-133-32528	CORDOVA RESOURCES INC.	1	2,700	1980-09-12
1603	42-133-32440	CORDOVA RESOURCES INC.	1	2,600	1980-07-22
1715	42-133-32441	CORDOVA RESOURCES INC.	1	2,600	1980-07-22
406	42-133-32292	CORDOVA RESOURCES INC.	1	2,700	1980-04-09
1801	42-133-30137	CORDOVA RESOURCES INC.	1	2,500	1980-04-07
2401	42-133-30143	CORDOVA RESOURCES INC.	1	2,498	1980-03-04
1714	42-133-32056	CORDOVA RESOURCES INC.	1	2,600	1979-11-01
1713	42-133-31904	CORDOVA RESOURCES INC.	1	2,700	1979-06-18
1602	42-133-31888	CORDOVA RESOURCES INC.	1	2,700	1979-05-25
1914	42-133-31887	CORDOVA RESOURCES INC.	1	2,700	1979-05-25
1711	42-133-31791	CORDOVA RESOURCES INC.	1	2,700	1979-02-27
1712	42-133-31790	CORDOVA RESOURCES INC.	1	2,700	1979-02-27
1911	42-133-31788	CORDOVA RESOURCES INC.	1	2,700	1979-02-27
1912	42-133-31789	CORDOVA RESOURCES INC.	1	2,700	1979-02-27
1913	42-133-31795	CORDOVA RESOURCES INC.	1	2,700	1979-02-27
407	42-133-31438	BUCKLES, GEORGE L., COMPANY	1	2,700	1978-05-02
302	42-133-31351	BUCKLES, GEORGE L., COMPANY	1	2,700	1978-02-23
405	42-133-31349	BUCKLES, GEORGE L., COMPANY	1	2,700	1978-02-16
1001	42-133-81066	--	--	--	--
101	42-133-81057	--	--	--	--
1101	42-133-30146	--	--	--	--
1201	42-133-81070	--	--	--	--
1301	42-133-30188	--	--	--	--
1401	42-133-30263	--	--	--	--
1402	42-133-30341	--	--	--	--
1502	42-133-01719	--	--	--	--
1503	42-133-30089	--	--	--	--
1504	42-133-30104	--	--	--	--
1507	42-133-30262	--	--	--	--
1601	42-133-81081	--	--	--	--
1709	42-133-00937	--	--	--	--
1710	42-133-80390	--	--	--	--
1903	42-133-80386	--	--	--	--
1910	42-133-80387	--	--	--	--
2001	42-133-81087	--	--	--	--
201	42-133-02356	--	--	--	--
2101	42-133-81088	--	--	--	--
2102	42-133-30105	--	--	--	--
301	42-133-02701	--	--	--	--
401	42-133-30329	--	--	--	--
402	42-133-30429	--	--	--	--
403	42-133-30769	--	--	--	--
404	42-133-30770	--	--	--	--
701	42-133-01303	--	--	--	--
801	42-133-30748	--	--	--	--
901	42-133-30489	--	--	--	--
904	42-133-80380	--	--	--	--