COWDEN "26"

Oil · District 7C · Lease #10866

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

18k BBL

Cum Gas

235k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

2001-07

Production History

Cum Oil: 18,270 BBL Cum Gas: 235,477 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

75 BBL/mo

Di (annual)

4.0%

b-factor

0.0

EUR

19,420 BBL

R-squared

0.411

type

exponential

Operator History (from monthly production reports)

2021-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 62 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 (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PIONEER NATURAL RES. USA, INC.210,5001984-07-10