STATE OF TEXAS -DX-

Oil · District 08 · Lease #15229

Operator: TEXACO E & P INC.

Fields: DUNE

Cum Oil

850k BBL

Cum Gas

421k MCF

casinghead

Wells

28

Production

1993-01 — 2026-04

Peak Month

2005-08

Production History

Cum Oil: 850,488 BBL Cum Gas: 421,065 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,071 BBL/mo

Di (annual)

11.1%

b-factor

0.3

EUR

701,282 BBL

R-squared

0.928

type

hyperbolic

Operator History (from monthly production reports)

2023-11 — 2026-07 FORMENTERA OPERATIONS LLC 33 mo
2021-07 — 2023-10 SLANT OPERATING, LLC 28 mo
1995-03 — 2021-06 APACHE CORPORATION 316 mo
1993-01 — 1995-02 TEXACO E & P INC. 26 mo

Wells (28)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
28FORMENTERA OPERATIONS LLC14,0002006-02-17
29FORMENTERA OPERATIONS LLC14,0002006-02-17
26FORMENTERA OPERATIONS LLC13,9002005-07-01
27FORMENTERA OPERATIONS LLC13,9002005-07-01
25FORMENTERA OPERATIONS LLC14,0002005-04-13
24FORMENTERA OPERATIONS LLC14,0002005-03-18
7RFORMENTERA OPERATIONS LLC13,2911993-02-23
142-103-04123FORMENTERA OPERATIONS LLC------
1542-103-30962FORMENTERA OPERATIONS LLC------
15W42-103-30962FORMENTERA OPERATIONS LLC------
1642-103-30963FORMENTERA OPERATIONS LLC------
16W42-103-30963FORMENTERA OPERATIONS LLC------
1742-103-30959FORMENTERA OPERATIONS LLC------
1842-103-30960FORMENTERA OPERATIONS LLC------
18W42-103-30960FORMENTERA OPERATIONS LLC------
1942-103-30965FORMENTERA OPERATIONS LLC------
19W42-103-30965FORMENTERA OPERATIONS LLC------
242-103-04124FORMENTERA OPERATIONS LLC------
2042-103-30983FORMENTERA OPERATIONS LLC------
20W42-103-30983FORMENTERA OPERATIONS LLC------
2142-103-30991FORMENTERA OPERATIONS LLC------
2242-103-30990FORMENTERA OPERATIONS LLC------
2342-103-31003FORMENTERA OPERATIONS LLC------
342-103-04125FORMENTERA OPERATIONS LLC------
442-103-04126FORMENTERA OPERATIONS LLC------
542-103-04127FORMENTERA OPERATIONS LLC------
642-103-04128FORMENTERA OPERATIONS LLC------
842-103-04130FORMENTERA OPERATIONS LLC------