HALFF-HALL 1V

Oil · District 7C · Lease #20481

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

411k BBL

Cum Gas

1.5M MCF

casinghead

Wells

1

Production

2019-06 — 2026-04

Peak Month

2019-07

Production History

Cum Oil: 410,975 BBL Cum Gas: 1,541,073 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

13,519 BBL/mo

Di (annual)

55.7%

b-factor

0.0

EUR

291,456 BBL

R-squared

0.713

type

exponential

Operator History (from monthly production reports)

2019-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 86 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
22HPIONEER NATURAL RES. USA, INC.110,2002018-09-12