SHACKELFORD W31B

Oil · District 08 · Lease #54404

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

287k BBL

Cum Gas

2.4M MCF

casinghead

Wells

1

Production

2020-02 — 2026-04

Peak Month

2021-03

Production History

Cum Oil: 287,015 BBL Cum Gas: 2,385,233 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

27,526 BBL/mo

Di (annual)

359.7%

b-factor

0.8

EUR

327,470 BBL

R-squared

0.961

type

hyperbolic

Operator History (from monthly production reports)

2020-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 78 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HPIONEER NATURAL RES. USA, INC.210,6602018-12-31