BUCHANAN -H-

Oil · District 08 · Lease #31038

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

97k BBL

Cum Gas

247k MCF

casinghead

Wells

1

Production

1993-01 — 2024-05

Peak Month

2001-01

Production History

Cum Oil: 96,694 BBL Cum Gas: 247,398 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

631 BBL/mo

Di (annual)

12.3%

b-factor

0.0

EUR

61,347 BBL

R-squared

0.728

type

exponential

Operator History (from monthly production reports)

1997-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 347 mo
1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo
1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PIONEER NATURAL RES. USA INC.19,1001985-01-17