SHACKELFORD 39L

Oil · District 08 · Lease #57398

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

340k BBL

Cum Gas

959k MCF

casinghead

Wells

1

Production

2022-01 — 2026-04

Peak Month

2024-04

Production History

Cum Oil: 340,194 BBL Cum Gas: 958,997 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

10,594 BBL/mo

Di (annual)

28.8%

b-factor

0.0

EUR

441,041 BBL

R-squared

0.435

type

exponential

Operator History (from monthly production reports)

2022-01 — 2026-07 PIONEER NATURAL RES. USA, INC. 55 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12HPIONEER NATURAL RES. USA, INC.110,4932021-02-03