HALFF 1R

Oil · District 7C · Lease #20086

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

368k BBL

Cum Gas

1.3M MCF

casinghead

Wells

1

Production

2018-06 — 2026-04

Peak Month

2018-10

Production History

Cum Oil: 368,102 BBL Cum Gas: 1,342,435 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

24,581 BBL/mo

Di (annual)

642.2%

b-factor

1.1

EUR

324,944 BBL

R-squared

0.587

type

hyperbolic

Operator History (from monthly production reports)

2018-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 98 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
118HPIONEER NATURAL RES. USA, INC.110,2002018-02-15