PRESTON-SHACKELFORD 15B

Oil · District 08 · Lease #60450

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

466k BBL

Cum Gas

1.0M MCF

casinghead

Wells

1

Production

2023-08 — 2026-04

Peak Month

2024-07

Production History

Cum Oil: 465,613 BBL Cum Gas: 1,039,936 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

37,016 BBL/mo

Di (annual)

119.1%

b-factor

0.4

EUR

616,657 BBL

R-squared

0.942

type

hyperbolic

Operator History (from monthly production reports)

2023-08 — 2026-07 PIONEER NATURAL RES. USA, INC. 36 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HPIONEER NATURAL RES. USA, INC.110,4362023-03-13