FASKEN "11"

Oil · District 08 · Lease #37273

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

118k BBL

Cum Gas

279k MCF

casinghead

Wells

2

Production

2004-02 — 2026-04

Peak Month

2004-11

Production History

Cum Oil: 118,112 BBL Cum Gas: 279,243 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,488 BBL/mo

Di (annual)

40.2%

b-factor

0.9

EUR

124,138 BBL

R-squared

0.704

type

hyperbolic

Operator History (from monthly production reports)

2021-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 62 mo
2020-12 — 2021-05 DE3 OPERATING LLC 6 mo
2004-02 — 2020-11 ENDEAVOR ENERGY RESOURCES L.P. 202 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA, INC.312,0002018-05-24
1PIONEER NATURAL RES. USA, INC.412,0002018-03-23