THOMAS -A-

Oil · District 08 · Lease #6924

Operator: SLANT OPERATING, LLC

Cum Oil

54k BBL

Cum Gas

191k MCF

casinghead

Wells

2

Production

1993-01 — 2020-01

Peak Month

2007-10

Production History

Cum Oil: 53,966 BBL Cum Gas: 191,277 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

333 BBL/mo

Di (annual)

15.5%

b-factor

0.0

EUR

25,653 BBL

R-squared

0.669

type

exponential

Operator History (from monthly production reports)

2023-11 — 2026-07 FORMENTERA OPERATIONS LLC 33 mo
2021-07 — 2023-10 SLANT OPERATING, LLC 28 mo
2007-04 — 2021-06 APACHE CORPORATION 171 mo
1995-12 — 2007-03 ANADARKO PETROLEUM CORPORATION 136 mo
1993-01 — 1995-11 SHELL WESTERN E&P INC. 35 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7SHELL OIL COMPANY19,9002009-08-17
642-135-20249FORMENTERA OPERATIONS LLC------