SHACKELFORD W31C

Oil · District 08 · Lease #54353

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

430k BBL

Cum Gas

1.8M MCF

casinghead

Wells

1

Production

2020-03 — 2026-04

Peak Month

2020-11

Production History

Cum Oil: 429,616 BBL Cum Gas: 1,779,494 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

41,187 BBL/mo

Di (annual)

610.8%

b-factor

0.7

EUR

244,443 BBL

R-squared

0.625

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HPIONEER NATURAL RES. USA, INC.210,6602018-12-31