< leases

WOLCOTT -B-

Oil · District 08 · Lease #28398

Operator: PIONEER NATURAL RES. USA, INC.

Fields: BREEDLOVE, SOUTH (SPRABERRY)

Cum Oil

68k BBL

Cum Gas

150k MCF

casinghead

Wells

2

Production

1993-01 — 2025-03

Peak Month

1994-10

Production History

Cum Oil: 67,699 BBL Cum Gas: 150,010 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

261 BBL/mo

Di (annual)

3.4%

b-factor

0.0

EUR

75,718 BBL

R-squared

0.406

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 (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-317-32626PARKER & PARSLEY INC.19,7001982-11-17
142-317-32623PARKER & PARSLEY INC.19,7501982-11-15