SHACKELFORD 41C

Oil · District 08 · Lease #57428

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

221k BBL

Cum Gas

1.1M MCF

casinghead

Wells

1

Production

2022-06 — 2026-04

Peak Month

2022-06

Production History

Cum Oil: 221,080 BBL Cum Gas: 1,138,845 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

26,721 BBL/mo

Di (annual)

222.8%

b-factor

0.4

EUR

239,456 BBL

R-squared

0.983

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HPIONEER NATURAL RES. USA, INC.19,2502021-10-27