SALLY -B-

Oil · District 08 · Lease #30908

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

37k BBL

Cum Gas

272k MCF

casinghead

Wells

1

Production

1993-01 — 2015-08

Peak Month

2001-05

Production History

Cum Oil: 36,588 BBL Cum Gas: 271,818 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

225 BBL/mo

Di (annual)

6.0%

b-factor

0.0

EUR

42,863 BBL

R-squared

0.777

type

exponential

Operator History (from monthly production reports)

1997-09 — 2023-02 PIONEER NATURAL RES. USA, INC. 306 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.19,3501986-08-05