ZEKE EAST J 22-21

Oil · District 7C · Lease #21218

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

192k BBL

Cum Gas

368k MCF

casinghead

Wells

1

Production

2021-01 — 2026-04

Peak Month

2021-05

Production History

Cum Oil: 192,307 BBL Cum Gas: 368,163 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

13,369 BBL/mo

Di (annual)

202.5%

b-factor

0.7

EUR

222,013 BBL

R-squared

0.873

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
4210HPIONEER NATURAL RES. USA, INC.19,5002020-11-09