< leases

UNIVERSITY 35A

Oil · District 08 · Lease #27237

Operator: SLANT OPERATING, LLC

Fields: BLOCK 31 (DEVONIAN)

Cum Oil

13k BBL

Cum Gas

234k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

2013-04

Production History

Cum Oil: 13,000 BBL Cum Gas: 234,170 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

343 BBL/mo

Di (annual)

173.9%

b-factor

1.6

EUR

21,229 BBL

R-squared

0.565

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
2010-12 — 2021-06 APACHE CORPORATION 127 mo
2002-01 — 2010-11 BP AMERICA PRODUCTION COMPANY 107 mo
1994-06 — 2001-12 ARCO PERMIAN 91 mo
1993-01 — 1994-05 ARCO OIL & GAS CO. 17 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-103-32814FORMENTERA OPERATIONS LLC39,0701997-08-14
342-103-33547FORMENTERA OPERATIONS LLC19,2001984-09-10
242-103-32982FORMENTERA OPERATIONS LLC19,0651982-08-27