< leases

AMACKER "46"

Oil · District 7C · Lease #9845

Operator: UMC PETROLEUM CORPORATION

Fields: SPRABERRY (TREND AREA CL. FK.)

Cum Oil

57k BBL

Cum Gas

142k MCF

casinghead

Wells

5

Production

1993-01 — 2026-03

Peak Month

1997-11

Production History

Cum Oil: 57,476 BBL Cum Gas: 142,480 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

342 BBL/mo

Di (annual)

171.6%

b-factor

0.0

EUR

2,392 BBL

R-squared

0.364

type

exponential

Operator History (from monthly production reports)

2010-04 — 2026-07 ATLAS OPERATING LLC 196 mo
2008-02 — 2010-03 PIONEER EXPLORATION, LLC 26 mo
2001-07 — 2008-01 PIONEER EXPLORATION, LTD. 79 mo
1997-04 — 2001-06 PIONEER EXPLORATION COMPANY 51 mo
1993-01 — 1997-03 UMC PETROLEUM CORPORATION 51 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
542-461-41755ATLAS OPERATING LLC28,9502021-04-07
242-461-31492ATLAS OPERATING LLC29,0001985-08-12
442-461-31522ATLAS OPERATING LLC29,0001985-07-30
142-461-31491ATLAS OPERATING LLC29,0001983-03-02
342-461-31521ATLAS OPERATING LLC29,0001982-09-15