WADDELL BROS. & CO.

Oil · District 08 · Lease #10687

Operator: SLANT OPERATING, LLC

Cum Oil

378k BBL

Cum Gas

437k MCF

casinghead

Wells

3

Production

1993-01 — 2025-05

Peak Month

2005-10

Production History

Cum Oil: 377,876 BBL Cum Gas: 436,506 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,927 BBL/mo

Di (annual)

8.0%

b-factor

0.1

EUR

304,118 BBL

R-squared

0.524

type

hyperbolic

Operator History (from monthly production reports)

2023-11 — current FORMENTERA OPERATIONS LLC 19 mo
2021-07 — 2023-10 SLANT OPERATING, LLC 28 mo
2004-11 — 2021-06 APACHE CORPORATION 200 mo
2000-04 — 2004-10 EXXON MOBIL CORPORATION 55 mo
1993-01 — 2000-03 EXXON CORP. 87 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
19LFORMENTERA OPERATIONS LLC411,5002025-05-23
18FORMENTERA OPERATIONS LLC211,5002025-02-20
2D42-495-02292FORMENTERA OPERATIONS LLC------