PRESTON-SHACKELFORD 15F

Oil · District 08 · Lease #60789

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

289k BBL

Cum Gas

648k MCF

casinghead

Wells

1

Production

2023-10 — 2026-04

Peak Month

2024-03

Production History

Cum Oil: 289,286 BBL Cum Gas: 648,126 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

22,701 BBL/mo

Di (annual)

119.6%

b-factor

0.0

EUR

227,961 BBL

R-squared

0.709

type

exponential

Operator History (from monthly production reports)

2023-10 — 2026-07 PIONEER NATURAL RES. USA, INC. 34 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6HPIONEER NATURAL RES. USA, INC.110,4362023-03-13