PRESTON-SHACKELFORD 15A

Oil · District 08 · Lease #60511

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

456k BBL

Cum Gas

1.0M MCF

casinghead

Wells

1

Production

2023-09 — 2026-04

Peak Month

2024-08

Production History

Cum Oil: 455,949 BBL Cum Gas: 1,047,282 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

36,662 BBL/mo

Di (annual)

114.4%

b-factor

0.3

EUR

548,889 BBL

R-squared

0.957

type

hyperbolic

Operator History (from monthly production reports)

2023-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 35 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HPIONEER NATURAL RES. USA, INC.110,4362023-03-07