WILLIS

Oil · District 08 · Lease #22347

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

117k BBL

Cum Gas

307k MCF

casinghead

Wells

9

Production

1993-01 — 2019-11

Peak Month

1993-09

Production History

Cum Oil: 117,303 BBL Cum Gas: 307,362 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,054 BBL/mo

Di (annual)

17.2%

b-factor

0.2

EUR

90,430 BBL

R-squared

0.906

type

hyperbolic

Operator History (from monthly production reports)

2021-06 — 2026-05 PIONEER NATURAL RES. USA, INC. 60 mo
2018-08 — 2021-05 DE3 OPERATING LLC 34 mo
2003-10 — 2018-07 JM COX RESOURCES, L.P. 178 mo
1993-01 — 2003-09 COX, JOHN L. 129 mo

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7PIONEER NATURAL RES. USA INC.19,1002000-05-25
8PIONEER NATURAL RES. USA INC.19,1002000-05-25
5PIONEER NATURAL RES. USA INC.211,5001997-05-15
6PIONEER NATURAL RES. USA INC.19,0001991-04-25
142-329-30128PIONEER NATURAL RES. USA INC.------
1WD42-329-00222PIONEER NATURAL RES. USA INC.------
242-329-30143PIONEER NATURAL RES. USA INC.------
342-329-30224PIONEER NATURAL RES. USA INC.------
442-329-30244PIONEER NATURAL RES. USA INC.------