< leases

TUBB, J. B. "B"

Oil · District 08 · Lease #25227

Operator: SLANT OPERATING, LLC

Fields: SAND HILLS (JUDKINS)

Cum Oil

40k BBL

Cum Gas

1.2M MCF

casinghead

Wells

8

Production

1993-01 — 2026-04

Peak Month

2009-10

Production History

Cum Oil: 40,065 BBL Cum Gas: 1,205,809 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

626 BBL/mo

Di (annual)

216.4%

b-factor

1.1

EUR

18,955 BBL

R-squared

0.793

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
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 (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4342-103-35615FORMENTERA OPERATIONS LLC28,0002022-06-07
4242-103-35562FORMENTERA OPERATIONS LLC18,0002008-04-29
3342-103-33317FORMENTERA OPERATIONS LLC13,6501983-12-19
3242-103-33253FORMENTERA OPERATIONS LLC13,6501983-09-07
28 U42-103-32914FORMENTERA OPERATIONS LLC14,7751982-05-07
25 U42-103-32647FORMENTERA OPERATIONS LLC24,7751981-07-22
19 U42-103-32009FORMENTERA OPERATIONS LLC24,6001979-01-11
18 U42-103-31992FORMENTERA OPERATIONS LLC24,5501978-12-07