EAST COWDEN (GRAYBURG) UNIT

Oil · District 08 · Lease #22927

Operator: VAQUERO PERMIAN, LLC

Fields: COWDEN, NORTH

Cum Oil

10.4M BBL

Cum Gas

3.6M MCF

casinghead

Wells

92

Production

1993-01 — 2026-04

Peak Month

1993-01

Production History

Cum Oil: 10,411,937 BBL Cum Gas: 3,599,701 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

86,542 BBL/mo

Di (annual)

9.4%

b-factor

0.0

EUR

10,916,781 BBL

R-squared

0.703

type

exponential

Operator History (from monthly production reports)

2024-04 — 2026-07 BASIN OIL & GAS OPERATING, LLC 28 mo
2023-10 — 2024-03 VAQUERO PERMIAN, LLC 6 mo
2020-02 — 2023-09 VAQUERO HUNTER INC. 44 mo
2015-01 — 2020-01 BREITBURN OPERATING L.P. 61 mo
2010-09 — 2014-12 QUANTUM RESOURCES MANAGEMENT,LLC 52 mo
2002-01 — 2010-08 ENCORE OPERATING, L.P. 104 mo
1993-01 — 2001-12 CONOCO INC. 108 mo

Wells (92)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
97BASIN OIL & GAS OPERATING, LLC14,7502011-05-05
98BASIN OIL & GAS OPERATING, LLC14,7502011-05-05
99BASIN OIL & GAS OPERATING, LLC14,7502011-05-05
4BASIN OIL & GAS OPERATING, LLC14,4202003-11-25
35BASIN OIL & GAS OPERATING, LLC24,5972003-11-21
16BASIN OIL & GAS OPERATING, LLC24,4372003-11-19
6BASIN OIL & GAS OPERATING, LLC14,2502003-02-10
96BASIN OIL & GAS OPERATING, LLC14,8002003-01-17
92BASIN OIL & GAS OPERATING, LLC14,8002003-01-15
93BASIN OIL & GAS OPERATING, LLC14,8002003-01-15
94BASIN OIL & GAS OPERATING, LLC14,8002003-01-15
91BASIN OIL & GAS OPERATING, LLC14,7002003-01-13
95BASIN OIL & GAS OPERATING, LLC14,7002002-12-11
84BASIN OIL & GAS OPERATING, LLC14,8002002-06-25
85BASIN OIL & GAS OPERATING, LLC14,8002002-06-25
86BASIN OIL & GAS OPERATING, LLC14,8002002-06-25
87BASIN OIL & GAS OPERATING, LLC14,8002002-06-25
88BASIN OIL & GAS OPERATING, LLC14,8002002-06-25
14BASIN OIL & GAS OPERATING, LLC14,7201998-06-24
83BASIN OIL & GAS OPERATING, LLC14,7501988-08-25
82BASIN OIL & GAS OPERATING, LLC34,7501988-08-15
79WBASIN OIL & GAS OPERATING, LLC14,7001987-09-18
81WBASIN OIL & GAS OPERATING, LLC24,7001987-09-18
80WBASIN OIL & GAS OPERATING, LLC14,7001987-09-17
74WBASIN OIL & GAS OPERATING, LLC34,7501987-01-29
70BASIN OIL & GAS OPERATING, LLC34,7001986-12-15
78BASIN OIL & GAS OPERATING, LLC14,7001986-12-15
71WBASIN OIL & GAS OPERATING, LLC24,7501986-07-03
72BASIN OIL & GAS OPERATING, LLC24,7501986-07-03
75WBASIN OIL & GAS OPERATING, LLC24,7501986-07-03
73BASIN OIL & GAS OPERATING, LLC24,7501986-03-04
76BASIN OIL & GAS OPERATING, LLC24,7501986-03-04
76WBASIN OIL & GAS OPERATING, LLC24,7501986-03-04
77WBASIN OIL & GAS OPERATING, LLC14,7501986-03-04
69WBASIN OIL & GAS OPERATING, LLC14,7501985-09-05
68BASIN OIL & GAS OPERATING, LLC14,8001985-04-18
66BASIN OIL & GAS OPERATING, LLC24,8001985-01-23
65BASIN OIL & GAS OPERATING, LLC24,8001985-01-22
67WBASIN OIL & GAS OPERATING, LLC14,8001984-10-29
62BASIN OIL & GAS OPERATING, LLC14,8001984-09-17
63BASIN OIL & GAS OPERATING, LLC14,8001984-09-17
64BASIN OIL & GAS OPERATING, LLC14,8001984-09-17
61BASIN OIL & GAS OPERATING, LLC14,8001984-04-24
60BASIN OIL & GAS OPERATING, LLC14,8001983-12-14
59BASIN OIL & GAS OPERATING, LLC14,7001980-05-06
58BASIN OIL & GAS OPERATING, LLC14,7001980-01-31
57BASIN OIL & GAS OPERATING, LLC14,8001979-07-03
56BASIN OIL & GAS OPERATING, LLC14,7951979-04-09
52BASIN OIL & GAS OPERATING, LLC24,6501978-04-06
52WBASIN OIL & GAS OPERATING, LLC24,6501978-04-06
53BASIN OIL & GAS OPERATING, LLC14,7001978-04-03
54BASIN OIL & GAS OPERATING, LLC24,7001978-03-22
49WBASIN OIL & GAS OPERATING, LLC14,7001978-01-16
48WBASIN OIL & GAS OPERATING, LLC14,7001977-12-09
50BASIN OIL & GAS OPERATING, LLC14,7001977-09-09
51BASIN OIL & GAS OPERATING, LLC14,7001977-08-18
142-135-08000BASIN OIL & GAS OPERATING, LLC------
10W42-135-08004BASIN OIL & GAS OPERATING, LLC------
1142-135-08002BASIN OIL & GAS OPERATING, LLC------
1242-135-07998BASIN OIL & GAS OPERATING, LLC------
1542-135-08346BASIN OIL & GAS OPERATING, LLC------
1742-135-08348BASIN OIL & GAS OPERATING, LLC------
242-135-04636BASIN OIL & GAS OPERATING, LLC------
2042-135-06810BASIN OIL & GAS OPERATING, LLC------
21W42-135-31291BASIN OIL & GAS OPERATING, LLC------
22W42-135-31292BASIN OIL & GAS OPERATING, LLC------
23W42-135-31293BASIN OIL & GAS OPERATING, LLC------
24W42-135-31294BASIN OIL & GAS OPERATING, LLC------
25W42-135-31295BASIN OIL & GAS OPERATING, LLC------
26W42-135-31342BASIN OIL & GAS OPERATING, LLC------
27W42-135-31344BASIN OIL & GAS OPERATING, LLC------
2942-135-31374BASIN OIL & GAS OPERATING, LLC------
342-135-08005BASIN OIL & GAS OPERATING, LLC------
30W42-135-31348BASIN OIL & GAS OPERATING, LLC------
31W42-135-31347BASIN OIL & GAS OPERATING, LLC------
33W42-135-31346BASIN OIL & GAS OPERATING, LLC------
3442-135-31607BASIN OIL & GAS OPERATING, LLC------
36W42-135-31619BASIN OIL & GAS OPERATING, LLC------
37W42-135-31767BASIN OIL & GAS OPERATING, LLC------
3842-135-31766BASIN OIL & GAS OPERATING, LLC------
39W42-135-31741BASIN OIL & GAS OPERATING, LLC------
4042-135-31783BASIN OIL & GAS OPERATING, LLC------
41W42-135-31883BASIN OIL & GAS OPERATING, LLC------
42W42-135-31884BASIN OIL & GAS OPERATING, LLC------
4342-135-32069BASIN OIL & GAS OPERATING, LLC------
4442-135-32070BASIN OIL & GAS OPERATING, LLC------
45W42-135-32071BASIN OIL & GAS OPERATING, LLC------
46W42-135-32111BASIN OIL & GAS OPERATING, LLC------
47W42-135-32110BASIN OIL & GAS OPERATING, LLC------
542-135-30273BASIN OIL & GAS OPERATING, LLC------
742-135-07999BASIN OIL & GAS OPERATING, LLC------
9W42-135-08003BASIN OIL & GAS OPERATING, LLC------