ZEKE WEST A 22-21

Oil · District 7C · Lease #20438

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

189k BBL

Cum Gas

963k MCF

casinghead

Wells

1

Production

2019-08 — 2026-04

Peak Month

2019-09

Production History

Cum Oil: 188,556 BBL Cum Gas: 962,780 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

16,732 BBL/mo

Di (annual)

139.4%

b-factor

0.3

EUR

205,656 BBL

R-squared

0.688

type

hyperbolic

Operator History (from monthly production reports)

2021-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 62 mo
2019-08 — 2021-05 DE3 OPERATING LLC 22 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4201HPIONEER NATURAL RES. USA, INC.29,0002019-03-28