GERTIE

Oil · District 8A · Lease #1046

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

Cum Oil

165k BBL

Cum Gas

30k MCF

casinghead

Wells

14

Production

1993-01 — 2026-03

Peak Month

2012-11

Production History

Cum Oil: 164,999 BBL Cum Gas: 30,263 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,514 BBL/mo

Di (annual)

27.4%

b-factor

0.1

EUR

73,639 BBL

R-squared

0.891

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 (14)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
18ATLAS OPERATING LLC13,5002012-08-07
19ATLAS OPERATING LLC13,5002012-08-06
16ATLAS OPERATING LLC13,5002004-03-16
16WATLAS OPERATING LLC13,5002004-03-16
17ATLAS OPERATING LLC13,5002004-03-16
17WATLAS OPERATING LLC13,5002004-03-16
12ATLAS OPERATING LLC13,4001988-04-28
13ATLAS OPERATING LLC13,4001988-04-28
11ATLAS OPERATING LLC13,5001983-07-22
10ATLAS OPERATING LLC13,5001983-05-11
9ATLAS OPERATING LLC13,5001982-06-23
542-415-01391ATLAS OPERATING LLC------
642-415-01392ATLAS OPERATING LLC------
742-415-01393ATLAS OPERATING LLC------