CLAY, H. R.

Oil · District 08 · Lease #41676

Operator: OAK PRAIRIE OPERATIONS, LLC

Cum Oil

135k BBL

Cum Gas

0 MCF

Wells

36

Production

2011-12 — 2026-04

Peak Month

2012-01

Production History

Cum Oil: 134,993 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,900 BBL/mo

Di (annual)

16.0%

b-factor

0.0

EUR

142,167 BBL

R-squared

0.799

type

exponential

Operator History (from monthly production reports)

2024-09 — 2026-07 GRAYROCK ENERGY II, LLC 23 mo
2021-02 — 2024-08 OAK PRAIRIE OPERATIONS, LLC 43 mo
2011-12 — 2021-01 ENDEAVOR ENERGY RESOURCES L.P. 110 mo

Wells (36)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
65WGRAYROCK ENERGY II, LLC13,6001995-03-02
66WSGRAYROCK ENERGY II, LLC13001995-02-14
63WGRAYROCK ENERGY II, LLC13,5001989-07-31
64WGRAYROCK ENERGY II, LLC13,5001989-07-31
32GRAYROCK ENERGY II, LLC33,6001989-06-02
42GRAYROCK ENERGY II, LLC33,6001989-06-02
35GRAYROCK ENERGY II, LLC23,6001988-08-15
38GRAYROCK ENERGY II, LLC23,6001988-08-15
39GRAYROCK ENERGY II, LLC23,6001988-08-15
44GRAYROCK ENERGY II, LLC23,6001988-08-15
45GRAYROCK ENERGY II, LLC13,6001988-08-11
48GRAYROCK ENERGY II, LLC13,6001988-08-11
49GRAYROCK ENERGY II, LLC13,6001988-08-11
50GRAYROCK ENERGY II, LLC13,6001988-08-11
51GRAYROCK ENERGY II, LLC13,6001988-08-11
52GRAYROCK ENERGY II, LLC13,6001988-08-11
53GRAYROCK ENERGY II, LLC13,6001988-08-11
54GRAYROCK ENERGY II, LLC13,6001988-08-11
55GRAYROCK ENERGY II, LLC13,6001988-08-11
56GRAYROCK ENERGY II, LLC13,6001988-08-11
31GRAYROCK ENERGY II, LLC23,6001988-07-20
26GRAYROCK ENERGY II, LLC13,6001988-07-19
30WGRAYROCK ENERGY II, LLC23,6001988-07-19
33GRAYROCK ENERGY II, LLC23,6001988-07-19
41WGRAYROCK ENERGY II, LLC23,6001988-07-19
43WGRAYROCK ENERGY II, LLC23,6001988-07-19
46WGRAYROCK ENERGY II, LLC13,6001988-07-19
57WGRAYROCK ENERGY II, LLC13,6001988-07-19
58WGRAYROCK ENERGY II, LLC13,6001988-07-19
59WGRAYROCK ENERGY II, LLC13,6001988-07-19
60WGRAYROCK ENERGY II, LLC13,6001988-07-19
61WGRAYROCK ENERGY II, LLC13,6001988-07-19
62WGRAYROCK ENERGY II, LLC13,6001988-07-19
29GRAYROCK ENERGY II, LLC13,1001979-10-11
2542-227-10140GRAYROCK ENERGY II, LLC------
28W42-227-30319GRAYROCK ENERGY II, LLC------