ZEKE EAST N 22-21

Oil · District 7C · Lease #21216

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

486k BBL

Cum Gas

1.6M MCF

casinghead

Wells

1

Production

2020-12 — 2026-04

Peak Month

2021-04

Production History

Cum Oil: 486,132 BBL Cum Gas: 1,596,582 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

24,111 BBL/mo

Di (annual)

70.6%

b-factor

0.2

EUR

511,910 BBL

R-squared

0.743

type

hyperbolic

Operator History (from monthly production reports)

2021-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 62 mo
2020-12 — 2021-05 DE3 OPERATING LLC 6 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4314HPIONEER NATURAL RES. USA, INC.19,5002020-11-06