WOLCOTT -A-

Oil · District 08 · Lease #28399

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

47k BBL

Cum Gas

107k MCF

casinghead

Wells

2

Production

1993-01 — 2020-03

Peak Month

1994-10

Production History

Cum Oil: 46,745 BBL Cum Gas: 107,046 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

256 BBL/mo

Di (annual)

6.1%

b-factor

0.0

EUR

48,144 BBL

R-squared

0.779

type

exponential

Operator History (from monthly production reports)

1997-09 — 2021-11 PIONEER NATURAL RES. USA, INC. 291 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
2PARKER & PARSLEY INC.19,7501982-11-17
1PARKER & PARSLEY INC.19,7501982-10-27