SHACKELFORD 41E

Oil · District 08 · Lease #57429

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

271k BBL

Cum Gas

1.2M MCF

casinghead

Wells

1

Production

2022-06 — 2026-04

Peak Month

2022-06

Production History

Cum Oil: 271,006 BBL Cum Gas: 1,176,268 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

26,024 BBL/mo

Di (annual)

198.0%

b-factor

0.5

EUR

309,566 BBL

R-squared

0.973

type

hyperbolic

Operator History (from monthly production reports)

2022-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 50 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5HPIONEER NATURAL RES. USA, INC.19,2502021-10-26