ZEKE EAST L 22-21

Oil · District 7C · Lease #21219

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

213k BBL

Cum Gas

411k MCF

casinghead

Wells

1

Production

2021-01 — 2026-04

Peak Month

2021-05

Production History

Cum Oil: 212,972 BBL Cum Gas: 411,406 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

14,453 BBL/mo

Di (annual)

125.5%

b-factor

0.3

EUR

197,239 BBL

R-squared

0.837

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
4212HPIONEER NATURAL RES. USA, INC.19,5002020-11-09