CUMMINS, H. E.

Oil · District 08 · Lease #11783

Operator: SLANT OPERATING, LLC

Cum Oil

871k BBL

Cum Gas

3.9M MCF

casinghead

Wells

14

Production

1993-01 — 2026-04

Peak Month

2012-03

Production History

Cum Oil: 871,455 BBL Cum Gas: 3,904,147 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,977 BBL/mo

Di (annual)

6.6%

b-factor

0.0

EUR

521,079 BBL

R-squared

0.391

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
2010-09 — 2021-06 APACHE CORPORATION 130 mo
1993-01 — 2010-08 CITATION OIL & GAS CORP. 212 mo

Wells (14)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
21HFORMENTERA OPERATIONS LLC26,1002011-09-22
19FORMENTERA OPERATIONS LLC27,2002010-10-05
18FORMENTERA OPERATIONS LLC17,2002010-10-04
20FORMENTERA OPERATIONS LLC27,2002010-10-04
14FORMENTERA OPERATIONS LLC17,5001997-10-14
15FORMENTERA OPERATIONS LLC17,5001997-10-14
16FORMENTERA OPERATIONS LLC17,5001997-10-14
17FORMENTERA OPERATIONS LLC17,5001997-10-14
1042-135-00008FORMENTERA OPERATIONS LLC------
1142-135-00009FORMENTERA OPERATIONS LLC------
1242-135-00010FORMENTERA OPERATIONS LLC------
1342-135-00011FORMENTERA OPERATIONS LLC------
13D42-135-00011FORMENTERA OPERATIONS LLC------
942-135-00007FORMENTERA OPERATIONS LLC------