WINKLEMAN

Oil · District 08 · Lease #23060

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

75k BBL

Cum Gas

111k MCF

casinghead

Wells

2

Production

1993-01 — 2023-08

Peak Month

1996-05

Production History

Cum Oil: 75,043 BBL Cum Gas: 110,851 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

410 BBL/mo

Di (annual)

14.3%

b-factor

0.0

EUR

34,293 BBL

R-squared

0.568

type

exponential

Operator History (from monthly production reports)

2021-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 62 mo
2018-06 — 2021-05 DE3 OPERATING LLC 36 mo
1996-02 — 2018-05 ARKLAND PRODUCING CO., INC. 268 mo
1993-01 — 1996-01 MWJ PRODUCING COMPANY 37 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA INC.19,0001990-10-02
142-329-00369PIONEER NATURAL RES. USA INC.------