MUSTANG WEST A 8-27

Oil · District 7C · Lease #21402

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

294k BBL

Cum Gas

1.9M MCF

casinghead

Wells

1

Production

2021-08 — 2026-04

Peak Month

2021-10

Production History

Cum Oil: 294,345 BBL Cum Gas: 1,949,752 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

31,668 BBL/mo

Di (annual)

326.2%

b-factor

0.6

EUR

278,319 BBL

R-squared

0.920

type

hyperbolic

Operator History (from monthly production reports)

2021-08 — 2026-07 PIONEER NATURAL RES. USA, INC. 60 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4301HPIONEER NATURAL RES. USA, INC.19,7102021-03-02