ZEKE EAST K 22-21

Oil · District 7C · Lease #21217

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

267k BBL

Cum Gas

1.6M MCF

casinghead

Wells

1

Production

2021-01 — 2026-04

Peak Month

2021-11

Production History

Cum Oil: 267,015 BBL Cum Gas: 1,553,733 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

20,752 BBL/mo

Di (annual)

158.6%

b-factor

0.5

EUR

306,562 BBL

R-squared

0.788

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
4311HPIONEER NATURAL RES. USA, INC.19,5002020-11-09