ADAMS, H. E., -A-

Oil · District 08 · Lease #15570

Operator: STRONGHOLD ENERGY II OPER, LLC

Fields: DUNE

Cum Oil

618k BBL

Cum Gas

86k MCF

casinghead

Wells

11

Production

1993-01 — 2026-03

Peak Month

1994-05

Production History

Cum Oil: 618,112 BBL Cum Gas: 86,422 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,262 BBL/mo

Di (annual)

17.8%

b-factor

0.0

EUR

489,968 BBL

R-squared

0.872

type

exponential

Operator History (from monthly production reports)

2020-02 — 2026-07 ATLAS OPERATING LLC 78 mo
2019-01 — 2020-01 STRONGHOLD ENERGY II OPER, LLC 13 mo
2000-04 — 2018-12 DEVON ENERGY PRODUCTION CO, L.P. 225 mo
1999-03 — 2000-03 PENNZENERGY EXP. & PROD., L.L.C. 13 mo
1995-02 — 1999-02 PENNZOIL EXPLORATION & PROD. CO. 49 mo
1993-01 — 1995-01 PENNZOIL PETROLEUM COMPANY 25 mo

Wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12ATLAS OPERATING LLC14,6001987-12-15
11ATLAS OPERATING LLC14,4001987-03-09
10ATLAS OPERATING LLC14,2001982-08-24
9ATLAS OPERATING LLC14,2001982-08-13
142-103-02493ATLAS OPERATING LLC------
242-103-02494ATLAS OPERATING LLC------
342-103-02495ATLAS OPERATING LLC------
442-103-02496ATLAS OPERATING LLC------
542-103-02497ATLAS OPERATING LLC------
742-103-02503ATLAS OPERATING LLC------
842-103-31370ATLAS OPERATING LLC------