SHACKELFORD 31-26G

Oil · District 08 · Lease #63511

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

214k BBL

Cum Gas

509k MCF

casinghead

Wells

1

Production

2025-06 — 2026-04

Peak Month

2025-06

Production History

Cum Oil: 213,816 BBL Cum Gas: 508,911 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

44,823 BBL/mo

Di (annual)

306.1%

b-factor

0.3

EUR

251,862 BBL

R-squared

0.992

type

hyperbolic

Operator History (from monthly production reports)

2025-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 14 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
107HPIONEER NATURAL RES. USA, INC.110,6102024-10-17