SHACKELFORD 41I

Oil · District 08 · Lease #57737

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

207k BBL

Cum Gas

1.0M MCF

casinghead

Wells

1

Production

2022-06 — 2026-04

Peak Month

2023-01

Production History

Cum Oil: 206,707 BBL Cum Gas: 1,024,048 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

22,217 BBL/mo

Di (annual)

218.3%

b-factor

0.4

EUR

203,237 BBL

R-squared

0.953

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9HPIONEER NATURAL RES. USA, INC.19,2502021-10-28