SHACKELFORD W31F

Oil · District 08 · Lease #54380

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

430k BBL

Cum Gas

966k MCF

casinghead

Wells

1

Production

2020-03 — 2026-04

Peak Month

2020-11

Production History

Cum Oil: 430,150 BBL Cum Gas: 966,346 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

27,757 BBL/mo

Di (annual)

122.4%

b-factor

0.3

EUR

388,543 BBL

R-squared

0.728

type

hyperbolic

Operator History (from monthly production reports)

2020-03 — 2026-07 PIONEER NATURAL RES. USA, INC. 77 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6HPIONEER NATURAL RES. USA, INC.210,6602018-12-31