ROBERSON -D-

Oil · District 08 · Lease #30912

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

18k BBL

Cum Gas

205k MCF

casinghead

Wells

1

Production

1993-01 — 2007-10

Peak Month

1993-01

Production History

Cum Oil: 17,564 BBL Cum Gas: 204,553 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

113 BBL/mo

Di (annual)

3.9%

b-factor

0.0

EUR

29,855 BBL

R-squared

0.304

type

exponential

Operator History (from monthly production reports)

1997-09 — 2012-03 PIONEER NATURAL RES. USA, INC. 175 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.19,4001986-08-12