SHACKELFORD 10U

Oil · District 08 · Lease #50295

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

333k BBL

Cum Gas

2.8M MCF

casinghead

Wells

1

Production

2017-12 — 2026-04

Peak Month

2018-01

Production History

Cum Oil: 333,058 BBL Cum Gas: 2,828,601 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

23,207 BBL/mo

Di (annual)

148.1%

b-factor

0.4

EUR

311,731 BBL

R-squared

0.847

type

hyperbolic

Operator History (from monthly production reports)

2017-12 — 2026-07 PIONEER NATURAL RES. USA, INC. 104 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
21HPIONEER NATURAL RES. USA, INC.110,7002017-05-25