PRESTON-SHACKELFORD 15I

Oil · District 08 · Lease #60339

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

258k BBL

Cum Gas

763k MCF

casinghead

Wells

1

Production

2023-07 — 2026-04

Peak Month

2024-05

Production History

Cum Oil: 257,946 BBL Cum Gas: 762,644 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

39,257 BBL/mo

Di (annual)

420.1%

b-factor

0.7

EUR

331,046 BBL

R-squared

0.937

type

hyperbolic

Operator History (from monthly production reports)

2023-07 — 2026-07 PIONEER NATURAL RES. USA, INC. 37 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9HPIONEER NATURAL RES. USA, INC.110,4362023-03-13