SHACKELFORD 39E

Oil · District 08 · Lease #56531

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

317k BBL

Cum Gas

2.6M MCF

casinghead

Wells

1

Production

2021-09 — 2026-04

Peak Month

2022-01

Production History

Cum Oil: 317,249 BBL Cum Gas: 2,629,514 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

28,936 BBL/mo

Di (annual)

787.7%

b-factor

1.2

EUR

396,485 BBL

R-squared

0.661

type

hyperbolic

Operator History (from monthly production reports)

2021-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 59 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5HPIONEER NATURAL RES. USA, INC.110,5912021-03-19