WILLIAMSON ESTATE -28-

Oil · District 08 · Lease #32556

Operator: OXY USA WTP LP

Cum Oil

6k BBL

Cum Gas

46k MCF

casinghead

Wells

1

Production

1993-01 — 2009-08

Peak Month

1993-03

Production History

Cum Oil: 5,611 BBL Cum Gas: 45,575 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

122 BBL/mo

Di (annual)

22.2%

b-factor

0.0

EUR

6,545 BBL

R-squared

0.598

type

exponential

Operator History (from monthly production reports)

2002-01 — 2012-03 OXY USA WTP LP 123 mo
1999-10 — 2001-12 OXY USA INC. 27 mo
1996-09 — 1999-09 BANAM CORPORATION 37 mo
1993-01 — 1996-08 MARIAH ENERGY CORP. 44 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1OXY USA WTP LP38,6001999-10-13