PRESTON-SHACKELFORD 15J

Oil · District 08 · Lease #60512

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

429k BBL

Cum Gas

1.1M MCF

casinghead

Wells

1

Production

2023-09 — 2026-04

Peak Month

2024-07

Production History

Cum Oil: 428,832 BBL Cum Gas: 1,058,331 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

31,711 BBL/mo

Di (annual)

118.8%

b-factor

0.5

EUR

620,040 BBL

R-squared

0.899

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10HPIONEER NATURAL RES. USA, INC.110,4362023-03-13