WASHINGTON EAST I 23-14

Oil · District 7C · Lease #21261

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

216k BBL

Cum Gas

915k MCF

casinghead

Wells

1

Production

2021-01 — 2026-04

Peak Month

2021-06

Production History

Cum Oil: 216,390 BBL Cum Gas: 914,843 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

24,667 BBL/mo

Di (annual)

361.2%

b-factor

0.8

EUR

292,412 BBL

R-squared

0.976

type

hyperbolic

Operator History (from monthly production reports)

2021-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 62 mo
2021-01 — 2021-05 DE3 OPERATING LLC 5 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4409HPIONEER NATURAL RES. USA, INC.19,5002020-09-17