SHACKELFORD 41B

Oil · District 08 · Lease #57400

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

333k BBL

Cum Gas

941k MCF

casinghead

Wells

1

Production

2022-06 — 2026-04

Peak Month

2023-03

Production History

Cum Oil: 332,680 BBL Cum Gas: 940,888 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

8,475 BBL/mo

Di (annual)

50.2%

b-factor

0.0

EUR

202,584 BBL

R-squared

0.347

type

exponential

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HPIONEER NATURAL RES. USA, INC.19,2502021-10-27