MUSTANG WEST D 8-27

Oil · District 7C · Lease #21406

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

382k BBL

Cum Gas

2.2M MCF

casinghead

Wells

1

Production

2021-09 — 2026-04

Peak Month

2021-10

Production History

Cum Oil: 382,307 BBL Cum Gas: 2,168,685 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

13,148 BBL/mo

Di (annual)

48.5%

b-factor

0.1

EUR

361,543 BBL

R-squared

0.620

type

hyperbolic

Operator History (from monthly production reports)

2021-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 59 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4304HPIONEER NATURAL RES. USA, INC.19,7102021-03-02