< leases

CHAPPELL, J. E. "A"

Oil · District 7C · Lease #6562

Operator: PIONEER EXPLORATION, LTD.

Fields: JAMESON (STRAWN)

Cum Oil

137k BBL

Cum Gas

777k MCF

casinghead

Wells

29

Production

1993-01 — 2021-01

Peak Month

1993-01

Production History

Cum Oil: 136,852 BBL Cum Gas: 776,829 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,250 BBL/mo

Di (annual)

16.8%

b-factor

0.0

EUR

89,041 BBL

R-squared

0.350

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 (29)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6642-081-31892ATLAS OPERATING LLC27,5002007-01-19
6442-081-31885ATLAS OPERATING LLC27,3002006-10-27
6242-081-31884ATLAS OPERATING LLC27,2002006-10-23
6342-081-31883ATLAS OPERATING LLC27,4502006-10-23
23A42-081-31354ATLAS OPERATING LLC16,6001985-08-22
2142-081-31332ATLAS OPERATING LLC16,8001985-05-14
2242-081-31333ATLAS OPERATING LLC16,8001985-05-14
2442-081-31335ATLAS OPERATING LLC16,8001985-05-14
2542-081-31336ATLAS OPERATING LLC16,8001985-05-14
2642-081-31337ATLAS OPERATING LLC16,8001985-05-14
2742-081-31338ATLAS OPERATING LLC16,8001985-05-14
1742-081-31139ATLAS OPERATING LLC16,7001982-08-03
1842-081-31138ATLAS OPERATING LLC16,7001982-08-03
2042-081-31137ATLAS OPERATING LLC16,7001982-08-03
1542-081-31136ATLAS OPERATING LLC16,7001982-07-27
1642-081-31135DIAMONDBACK E&P LLC16,7001982-07-27
1942-081-31134ATLAS OPERATING LLC16,7001982-07-27
1442-081-31080ATLAS OPERATING LLC16,6001981-12-28
1042-081-31076ATLAS OPERATING LLC16,5501981-12-07
1242-081-31074ATLAS OPERATING LLC16,6001981-11-30
1142-081-31052ATLAS OPERATING LLC16,5001981-10-01
1342-081-31043ATLAS OPERATING LLC16,5501981-08-14
942-081-31033ATLAS OPERATING LLC16,8001981-08-04
542-081-30924ATLAS OPERATING LLC16,6001980-07-17
642-081-30925ATLAS OPERATING LLC16,4001980-07-17
742-081-30926ATLAS OPERATING LLC16,3001980-07-17
842-081-30927ATLAS OPERATING LLC16,3001980-07-17
142-081-30166ATLAS OPERATING LLC------
342-081-30179ATLAS OPERATING LLC------