SNYDER, B. S. -E-

Oil · District 08 · Lease #6221

Operator: ROVER PETROLEUM OPERATING, LLC

Fields: SNYDER

Cum Oil

287k BBL

Cum Gas

28k MCF

casinghead

Wells

20

Production

1993-01 — 2026-04

Peak Month

2001-08

Production History

Cum Oil: 287,327 BBL Cum Gas: 27,712 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,886 BBL/mo

Di (annual)

29.6%

b-factor

0.4

EUR

248,521 BBL

R-squared

0.926

type

hyperbolic

Operator History (from monthly production reports)

2024-01 — 2026-07 GRAYROCK ENERGY II, LLC 31 mo
2017-06 — 2023-12 ROVER PETROLEUM OPERATING, LLC 79 mo
2004-12 — 2017-05 MERIT ENERGY COMPANY 150 mo
1999-08 — 2004-11 ANADARKO PETROLEUM CORPORATION 64 mo
1997-01 — 1999-07 BRAMMER SUPPLY, INC. 31 mo
1995-11 — 1996-12 ALLEGRO OPERATING, INC. 14 mo
1993-01 — 1995-10 BARRANCA OIL, LIMITED 34 mo

Wells (20)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
72GRAYROCK ENERGY II, LLC13,7502006-12-07
73GRAYROCK ENERGY II, LLC13,7502006-12-07
2869GRAYROCK ENERGY II, LLC14,0002001-03-05
2885GRAYROCK ENERGY II, LLC14,0002001-03-01
2858WGRAYROCK ENERGY II, LLC13,9002000-05-24
2860WGRAYROCK ENERGY II, LLC13,9002000-05-24
2873WGRAYROCK ENERGY II, LLC13,5002000-03-13
2874GRAYROCK ENERGY II, LLC33,7002000-03-13
2875WGRAYROCK ENERGY II, LLC13,5002000-03-13
2886GRAYROCK ENERGY II, LLC24,0002000-03-13
2887GRAYROCK ENERGY II, LLC24,0002000-03-13
142-227-03532GRAYROCK ENERGY II, LLC------
242-227-03533GRAYROCK ENERGY II, LLC------
24W42-227-10315GRAYROCK ENERGY II, LLC------
342-227-03534GRAYROCK ENERGY II, LLC------
442-227-03535GRAYROCK ENERGY II, LLC------
542-227-03536GRAYROCK ENERGY II, LLC------
53W42-227-30664GRAYROCK ENERGY II, LLC------
642-227-03537GRAYROCK ENERGY II, LLC------
742-227-03538GRAYROCK ENERGY II, LLC------