THOMAS -B- TRACT 1

Oil · District 08 · Lease #20208

Operator: SHELL WESTERN E&P INC.

Cum Oil

11k BBL

Cum Gas

64k MCF

casinghead

Wells

4

Production

1993-01 — 2011-09

Peak Month

1997-08

Production History

Cum Oil: 11,427 BBL Cum Gas: 63,595 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

83 BBL/mo

Di (annual)

15.0%

b-factor

0.0

EUR

6,518 BBL

R-squared

0.435

type

exponential

Operator History (from monthly production reports)

2007-04 — 2018-04 APACHE CORPORATION 133 mo
1995-12 — 2007-03 ANADARKO PETROLEUM CORPORATION 136 mo
1993-01 — 1995-11 SHELL WESTERN E&P INC. 35 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
529FORMENTERA OPERATIONS LLC15,3031977-08-26
1442-135-21131APACHE CORPORATION------
1642-135-21152APACHE CORPORATION------
1742-135-21205APACHE CORPORATION------