GRIMES B 19-18

Oil · District 7C · Lease #20402

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

621k BBL

Cum Gas

1.3M MCF

casinghead

Wells

1

Production

2019-06 — 2026-04

Peak Month

2019-07

Production History

Cum Oil: 620,925 BBL Cum Gas: 1,299,526 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

13,557 BBL/mo

Di (annual)

30.1%

b-factor

0.0

EUR

539,615 BBL

R-squared

0.481

type

exponential

Operator History (from monthly production reports)

2021-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 62 mo
2019-06 — 2021-05 DE3 OPERATING LLC 24 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4302HPIONEER NATURAL RES. USA, INC.19,8002018-12-31