CHAPPELL, J. E.

Oil · District 7C · Lease #713

Operator: PIONEER EXPLORATION, LTD.

Cum Oil

255k BBL

Cum Gas

1.6M MCF

casinghead

Wells

27

Production

1993-01 — 2026-03

Peak Month

2007-08

Production History

Cum Oil: 255,313 BBL Cum Gas: 1,600,484 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,026 BBL/mo

Di (annual)

16.3%

b-factor

0.0

EUR

75,674 BBL

R-squared

0.387

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
2006-04 — 2008-01 PIONEER EXPLORATION, LTD. 22 mo
2000-10 — 2006-03 COMPASS OPERATING, L.L.C. 66 mo
2000-08 — 2000-09 CINCO RESOURCES OPERATING,L.L.C. 2 mo
1997-02 — 2000-07 COSTILLA ENERGY, INC. 42 mo
1996-06 — 1997-01 COSTILLA PETROLEUM CORPORATION 8 mo
1995-03 — 1996-05 PARKER & PARSLEY DEVELOPMENT L.P 15 mo
1993-12 — 1995-02 MIDPAR L.P. 15 mo
1993-01 — 1993-11 GRAHAM ROYALTY, LTD. 11 mo

Wells (27)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
78ATLAS OPERATING LLC47,5002008-02-02
73ATLAS OPERATING LLC17,5002007-10-31
77ATLAS OPERATING LLC17,5002007-02-23
66ATLAS OPERATING LLC27,5002007-01-19
64ATLAS OPERATING LLC27,3002006-10-27
62ATLAS OPERATING LLC27,2002006-10-23
63ATLAS OPERATING LLC27,4502006-10-23
142-081-01029ATLAS OPERATING LLC------
1542-081-01043ATLAS OPERATING LLC------
1642-081-01154ATLAS OPERATING LLC------
242-081-01030ATLAS OPERATING LLC------
2242-081-01049ATLAS OPERATING LLC------
2842-081-01055ATLAS OPERATING LLC------
342-081-01031ATLAS OPERATING LLC------
3042-081-01057ATLAS OPERATING LLC------
3342-081-01060ATLAS OPERATING LLC------
3642-081-01063ATLAS OPERATING LLC------
3842-081-01065ATLAS OPERATING LLC------
4042-081-01067ATLAS OPERATING LLC------
4142-081-01068ATLAS OPERATING LLC------
4442-081-01071ATLAS OPERATING LLC------
4542-081-01072ATLAS OPERATING LLC------
5042-081-01077ATLAS OPERATING LLC------
5642-081-01083ATLAS OPERATING LLC------
5742-081-01084ATLAS OPERATING LLC------
6142-081-01088ATLAS OPERATING LLC------
742-081-01035ATLAS OPERATING LLC------