ORSON -C-

Oil · District 08 · Lease #23061

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

42k BBL

Cum Gas

96k MCF

casinghead

Wells

2

Production

1993-01 — 2003-12

Peak Month

1994-07

Production History

Cum Oil: 41,634 BBL Cum Gas: 95,520 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

727 BBL/mo

Di (annual)

45.5%

b-factor

0.0

EUR

19,164 BBL

R-squared

0.609

type

exponential

Operator History (from monthly production reports)

1997-09 — 2005-05 PIONEER NATURAL RES. USA, INC. 93 mo
1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo
1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3PIONEER NATURAL RES. USA INC.19,7001981-01-22
242-317-31095PIONEER NATURAL RES. USA INC.------