CLAYTON "A"

Oil · District 8A · Lease #66303

Operator: SOUTHWEST SWD, INC

Cum Oil

32k BBL

Cum Gas

16k MCF

casinghead

Wells

1

Production

1993-01 — 2012-09

Peak Month

1995-05

Production History

Cum Oil: 31,635 BBL Cum Gas: 16,369 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

278 BBL/mo

Di (annual)

12.2%

b-factor

0.0

EUR

27,315 BBL

R-squared

0.465

type

exponential

Operator History (from monthly production reports)

1998-11 — 2013-05 ARKLAND PRODUCING CO., INC. 175 mo
1998-10 — 1998-10 SOUTHWEST SWD, INC 1 mo
1993-01 — 1998-09 MARSHALL & WINSTON, INC. 69 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2ARKLAND PRODUCING CO. INC.29,9001988-10-05