BROWNFIELD

Oil · District 8A · Lease #66208

Operator: ROBERTSON RESOURCES, INC.

Fields: OWNBY

Cum Oil

81k BBL

Cum Gas

51k MCF

casinghead

Wells

1

Production

1993-01 — 2026-03

Peak Month

1994-08

Production History

Cum Oil: 81,380 BBL Cum Gas: 51,316 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

264 BBL/mo

Di (annual)

2.1%

b-factor

0.0

EUR

98,995 BBL

R-squared

0.336

type

exponential

Operator History (from monthly production reports)

2025-03 — 2026-07 FLAT TOP OPERATING, LLC 17 mo
2019-03 — 2025-02 ROBERTSON RESOURCES, INC. 72 mo
2017-09 — 2019-02 JOHN R. PARISH ESTATE 18 mo
1993-08 — 2017-08 PARISH, JOHN R. 289 mo
1993-01 — 1993-07 CHOLLA PETROLEUM, INC. 7 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1XFLAT TOP OPERATING, LLC15,5001988-05-18