ROBERTSON, R. J. ESTATE

Oil · District 09 · Lease #22338

Operator: THREE B OPERATING, INC.

Cum Oil

17k BBL

Cum Gas

240 MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1996-04

Production History

Cum Oil: 17,435 BBL Cum Gas: 240 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

65 BBL/mo

Di (annual)

4.2%

b-factor

0.0

EUR

16,308 BBL

R-squared

0.318

type

exponential

Operator History (from monthly production reports)

2025-08 — 2026-07 RANGER OPERATING CO. 12 mo
2021-11 — 2025-07 BORDERLINE OPERATING CORP. 45 mo
1996-06 — 2021-10 LA JOLLA OIL & GAS, INC. 305 mo
1993-01 — 1996-05 THREE B OPERATING, INC. 41 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1RANGER OPERATING CO.15,0001981-09-03