GRAHAM

Oil · District 8A · Lease #64762

Operator: SLAPE OIL COMPANY, INC.

Fields: HARTLEY (SAN ANDRES)

Cum Oil

29k BBL

Cum Gas

21 MCF

casinghead

Wells

3

Production

1993-01 — 2007-04

Peak Month

1993-10

Production History

Cum Oil: 29,351 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

572 BBL/mo

Di (annual)

31.0%

b-factor

0.2

EUR

27,462 BBL

R-squared

0.885

type

hyperbolic

Operator History (from monthly production reports)

2001-06 — 2017-05 KALA OIL COMPANY 192 mo

2000-12 — 2001-05 SLAPE OIL COMPANY, INC. 6 mo

1996-02 — 2000-11 ABRAXAS PETROLEUM CORPORATION 58 mo

1993-01 — 1996-01 ABRAXAS PRODUCTION CORPORATION 37 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
3	42-501-32887	KALA OIL COMPANY	1	5,500	1985-06-25
2	42-501-32761	KALA OIL COMPANY	1	5,500	1984-12-03
1	42-501-32514	KALA OIL COMPANY	1	5,400	1983-12-30