< leases

NOLAN D FEE

Oil · District 7B · Lease #25884

Operator: PIONEER EXPLORATION, LTD.

Fields: E. A. (DOLOMITE)

Cum Oil

143k BBL

Cum Gas

47k MCF

casinghead

Wells

5

Production

1993-01 — 2026-03

Peak Month

2006-12

Production History

Cum Oil: 142,765 BBL Cum Gas: 47,303 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,615 BBL/mo

Di (annual)

26.6%

b-factor

0.1

EUR

80,804 BBL

R-squared

0.728

type

hyperbolic

Operator History (from monthly production reports)

2010-04 — 2026-07 ATLAS OPERATING LLC 196 mo
2008-02 — 2010-03 PIONEER EXPLORATION, LLC 26 mo
2005-03 — 2008-01 PIONEER EXPLORATION, LTD. 35 mo
2000-07 — 2005-02 HAWKINS OIL, L.L.C. 56 mo
1993-01 — 2000-06 HAWKINS OIL & GAS, INC. 90 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
742-353-32898ATLAS OPERATING LLC16,3002006-08-11
442-353-32892ATLAS OPERATING LLC16,3002006-01-20
542-353-32893ATLAS OPERATING LLC16,3002006-01-20
242-353-32647ATLAS OPERATING LLC16,5001999-02-08
142-353-32135ATLAS OPERATING LLC26,2001990-03-19