< leases

CHILDRESS

Oil · District 7C · Lease #9540

Operator: NADEL AND GUSSMAN PERMIAN,L.L.C.

Fields: ELA SUGG (WOLFCAMP)

Cum Oil

8k BBL

Cum Gas

76k MCF

casinghead

Wells

2

Production

1993-01 — 2001-02

Peak Month

1995-10

Production History

Cum Oil: 8,019 BBL Cum Gas: 75,736 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

123 BBL/mo

Di (annual)

19.8%

b-factor

0.0

EUR

7,377 BBL

R-squared

0.404

type

exponential

Operator History (from monthly production reports)

2004-11 — 2005-11 GRUY PETROLEUM MANAGEMENT CO. 13 mo
1999-10 — 2004-10 NADEL AND GUSSMAN PERMIAN,L.L.C. 61 mo
1998-04 — 1999-09 CHESAPEAKE OPERATING, INC. 18 mo
1995-09 — 1998-03 HUGOTON ENERGY CORPORATION 31 mo
1993-05 — 1995-08 CONSOLIDATED OIL & GAS, INC 28 mo
1993-01 — 1993-04 AMAX OIL & GAS INC. 4 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-235-31316NADEL AND GUSSMAN PERMIAN,L.L.C.28,3002000-08-23
142-235-31279PIONEER NATURAL RES. USA INC.18,4001978-05-08