TUBB, J. B. -D-

Oil · District 08 · Lease #5313

Operator: SLANT OPERATING, LLC

Cum Oil

95k BBL

Cum Gas

1.0M MCF

casinghead

Wells

10

Production

1993-01 — 2026-04

Peak Month

2009-10

Production History

Cum Oil: 95,154 BBL Cum Gas: 1,000,998 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

838 BBL/mo

Di (annual)

16.8%

b-factor

0.0

EUR

59,894 BBL

R-squared

0.857

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
2006-02 — 2021-06 APACHE CORPORATION 185 mo
2001-06 — 2006-01 ASPEN OPERATING COMPANY, L.L.C. 56 mo
1999-07 — 2001-05 PARKS & LUTTRELL RESOURCES, LLC 23 mo
1993-01 — 1999-06 SAMEDAN OIL CORPORATION 78 mo

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
16FORMENTERA OPERATIONS LLC26,0002008-03-28
14 FFORMENTERA OPERATIONS LLC14,7002004-09-23
15FORMENTERA OPERATIONS LLC14,7002004-09-22
15 FFORMENTERA OPERATIONS LLC14,7002004-09-22
11FORMENTERA OPERATIONS LLC14,6001981-10-29
142-103-03282FORMENTERA OPERATIONS LLC------
1342-103-31185FORMENTERA OPERATIONS LLC------
242-103-03259FORMENTERA OPERATIONS LLC------
342-103-03260FORMENTERA OPERATIONS LLC------
442-103-03261FORMENTERA OPERATIONS LLC------