ROBERTSON-MULHOLLAND

Oil · District 7C · Lease #8376

Operator: UMC PETROLEUM CORPORATION

Cum Oil

21k BBL

Cum Gas

106k MCF

casinghead

Wells

3

Production

1993-01 — 2015-08

Peak Month

1993-08

Production History

Cum Oil: 20,503 BBL Cum Gas: 106,148 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

199 BBL/mo

Di (annual)

11.8%

b-factor

0.0

EUR

20,145 BBL

R-squared

0.516

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 (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
S 1ATLAS OPERATING LLC23,0001983-12-06
1ATLAS OPERATING LLC16,5001979-12-31
2ATLAS OPERATING LLC16,5001979-12-31