SCHARBAUER

Oil · District 08 · Lease #29540

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

34k BBL

Cum Gas

539k MCF

casinghead

Wells

2

Production

1993-01 — 2017-12

Peak Month

1997-06

Production History

Cum Oil: 34,331 BBL Cum Gas: 538,748 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

417 BBL/mo

Di (annual)

471.0%

b-factor

0.0

EUR

1,073 BBL

R-squared

0.606

type

exponential

Operator History (from monthly production reports)

2014-06 — 2026-07 DIAMONDBACK E&P LLC 146 mo
1997-09 — 2014-05 PIONEER NATURAL RES. USA, INC. 201 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
138DIAMONDBACK E&P LLC213,5001985-02-22
438DIAMONDBACK E&P LLC110,2021984-10-30