STILLWELL

Oil · District 09 · Lease #21515

Operator: SABRE OPERATING, INC.

Cum Oil

26k BBL

Cum Gas

5k MCF

casinghead

Wells

1

Production

1993-01 — 2018-08

Peak Month

2000-03

Production History

Cum Oil: 26,418 BBL Cum Gas: 5,134 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

173 BBL/mo

Di (annual)

7.7%

b-factor

0.0

EUR

26,373 BBL

R-squared

0.478

type

exponential

Operator History (from monthly production reports)

1998-02 — 2021-12 CIRCLE B OIL & GAS 287 mo
1997-04 — 1998-01 MIGLET OPERATING, INC. 10 mo
1996-05 — 1997-03 SABRE OPERATING, INC. 11 mo
1993-01 — 1996-04 PETRO-GUARD COMPANY, INC. 40 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1CIRCLE B OIL & GAS16,8001981-06-10