MCLAUGHLIN ACCT-4

Oil · District 8A · Lease #66956

Operator: SIMMONS, L.B. ENERGY, INC.

Cum Oil

135k BBL

Cum Gas

77 MCF

casinghead

Wells

10

Production

1993-01 — 2026-03

Peak Month

2015-09

Production History

Cum Oil: 135,319 BBL Cum Gas: 77 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,169 BBL/mo

Di (annual)

60.8%

b-factor

0.3

EUR

60,910 BBL

R-squared

0.841

type

hyperbolic

Operator History (from monthly production reports)

2024-08 — 2026-07 ATLAS OPERATING LLC 24 mo
2023-06 — 2024-07 KINDER MORGAN PRODUCTION CO LLC 14 mo
2010-02 — 2023-05 PARALLEL PETROLEUM LLC 160 mo
2003-03 — 2010-01 PARALLEL PETROLEUM CORPORATION 83 mo
1996-07 — 2003-02 DIAMOND "M" PRODUCTION COMPANY 80 mo
1993-01 — 1996-06 SIMMONS, L.B. ENERGY, INC. 42 mo

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
152KINDER MORGAN PRODUCTION CO LLC27,5002017-07-31
145ATLAS OPERATING LLC14,5002014-09-26
118ATLAS OPERATING LLC24,3001993-09-14
3BATLAS OPERATING LLC12,5721993-04-12
1BATLAS OPERATING LLC12,5851993-04-01
2BATLAS OPERATING LLC12,5721993-04-01
103ATLAS OPERATING LLC34,0001992-09-16
31ATLAS OPERATING LLC23,9001992-06-25
2AATLAS OPERATING LLC22,6501985-09-23
1AATLAS OPERATING LLC22,7501985-06-21