BALES, E. F.

Oil · District 8A · Lease #65721

Operator: WHITE ROCK OIL & GAS, LLC

Cum Oil

150k BBL

Cum Gas

41k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1993-01

Production History

Cum Oil: 149,551 BBL Cum Gas: 40,645 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

797 BBL/mo

Di (annual)

6.3%

b-factor

0.3

EUR

171,294 BBL

R-squared

0.921

type

hyperbolic

Operator History (from monthly production reports)

2019-01 — 2026-07 WHITE ROCK OIL & GAS, LLC 91 mo
2002-11 — 2018-12 DEVON ENERGY PRODUCTION CO, L.P. 194 mo
2000-11 — 2002-10 DEVON SFS OPERATING, INC. 24 mo
1999-11 — 2000-10 SANTA FE SNYDER CORPORATION 12 mo
1995-01 — 1999-10 SANTA FE ENERGY RESOURCES, INC. 58 mo
1993-01 — 1994-12 SANTA FE ENERGY OPER. PART., LP 24 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WHITE ROCK OIL & GAS, LLC15,7001986-01-29