ZEKE EAST O 22-21

Oil · District 7C · Lease #21215

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

319k BBL

Cum Gas

613k MCF

casinghead

Wells

1

Production

2020-12 — 2026-04

Peak Month

2021-06

Production History

Cum Oil: 319,225 BBL Cum Gas: 613,193 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

17,942 BBL/mo

Di (annual)

101.0%

b-factor

0.2

EUR

266,381 BBL

R-squared

0.903

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
4215HPIONEER NATURAL RES. USA, INC.29,5002020-11-06