SHACKELFORD 31-26B

Oil · District 08 · Lease #63502

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

201k BBL

Cum Gas

599k MCF

casinghead

Wells

1

Production

2025-05 — 2026-04

Peak Month

2026-03

Production History

Cum Oil: 201,343 BBL Cum Gas: 598,992 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

35,212 BBL/mo

Di (annual)

344.3%

b-factor

0.7

EUR

357,639 BBL

R-squared

0.991

type

hyperbolic

Operator History (from monthly production reports)

2025-05 — 2026-07 PIONEER NATURAL RES. USA, INC. 15 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
102HPIONEER NATURAL RES. USA, INC.110,6102024-10-17