WASHINGTON WEST G 23-14

Oil · District 7C · Lease #21260

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

282k BBL

Cum Gas

2.2M MCF

casinghead

Wells

1

Production

2021-03 — 2026-04

Peak Month

2021-10

Production History

Cum Oil: 282,313 BBL Cum Gas: 2,197,360 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

29,739 BBL/mo

Di (annual)

357.8%

b-factor

0.9

EUR

431,386 BBL

R-squared

0.978

type

hyperbolic

Operator History (from monthly production reports)

2021-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 62 mo
2021-03 — 2021-05 DE3 OPERATING LLC 3 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4307HPIONEER NATURAL RES. USA, INC.29,5002019-05-09