HALFF 1F

Oil · District 7C · Lease #20097

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

411k BBL

Cum Gas

1.0M MCF

casinghead

Wells

1

Production

2018-05 — 2026-04

Peak Month

2018-10

Production History

Cum Oil: 411,455 BBL Cum Gas: 1,016,044 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

11,410 BBL/mo

Di (annual)

40.8%

b-factor

0.0

EUR

335,502 BBL

R-squared

0.648

type

exponential

Operator History (from monthly production reports)

2018-05 — 2026-07 PIONEER NATURAL RES. USA, INC. 99 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
106HPIONEER NATURAL RES. USA, INC.110,2002017-12-07