CHAMBERS "A"

Oil · District 7B · Lease #21773

Operator: YELLOW ROSE OIL & GAS OPERATING

Cum Oil

20k BBL

Cum Gas

18 MCF

casinghead

Wells

3

Production

1993-01 — 2026-03

Peak Month

1996-07

Production History

Cum Oil: 19,764 BBL Cum Gas: 18 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

261 BBL/mo

Di (annual)

39.5%

b-factor

0.2

EUR

9,806 BBL

R-squared

0.488

type

hyperbolic

Operator History (from monthly production reports)

2024-02 — 2026-07 INTERSTATE EXPLORATIONS LLC 30 mo
1994-06 — 2024-01 BIG STATE INDUSTRIES, INC. 356 mo
1993-01 — 1994-05 YELLOW ROSE OIL & GAS OPERATING 17 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3INTERSTATE EXPLORATIONS LLC12,0001985-10-18
2INTERSTATE EXPLORATIONS LLC12,0001985-03-05
1INTERSTATE EXPLORATIONS LLC12,0001984-09-26