PRESTON-SHACKELFORD 15K

Oil · District 08 · Lease #60633

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

416k BBL

Cum Gas

888k MCF

casinghead

Wells

1

Production

2023-09 — 2026-04

Peak Month

2024-05

Production History

Cum Oil: 415,920 BBL Cum Gas: 888,287 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

38,993 BBL/mo

Di (annual)

518.7%

b-factor

1.4

EUR

991,881 BBL

R-squared

0.856

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11HPIONEER NATURAL RES. USA, INC.110,4362023-03-13