C. B. ERWIN OIL UNIT

Oil · District 04 · Lease #12592

Operator: PIONEER RESOURCES PRODUCING, L.P

Cum Oil

1k BBL

Cum Gas

32k MCF

casinghead

Wells

1

Production

1996-08 — 1997-08

Peak Month

1996-12

Production History

Cum Oil: 1,464 BBL Cum Gas: 32,255 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

269 BBL/mo

Di (annual)

962.5%

b-factor

0.7

EUR

926 BBL

R-squared

0.921

type

hyperbolic

Operator History (from monthly production reports)

1997-11 — 1997-11 PIONEER RESOURCES PRODUCING, L.P 1 mo
1996-08 — 1997-10 PARKER & PARSLEY PRODUCING L.P. 15 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PIONEER RESOURCES PRODUCING L.P68,3002005-02-17