HALFF ESTATE "42"

Oil · District 7C · Lease #9297

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

17k BBL

Cum Gas

77k MCF

casinghead

Wells

1

Production

1993-01 — 2021-07

Peak Month

1993-11

Production History

Cum Oil: 16,559 BBL Cum Gas: 76,900 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

193 BBL/mo

Di (annual)

15.2%

b-factor

0.0

EUR

15,159 BBL

R-squared

0.839

type

exponential

Operator History (from monthly production reports)

2021-06 — 2022-11 PIONEER NATURAL RES. USA, INC. 18 mo
2018-08 — 2021-05 DE3 OPERATING LLC 34 mo
2003-10 — 2018-07 JM COX RESOURCES, L.P. 178 mo
1993-01 — 2003-09 COX, JOHN L. 129 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PIONEER NATURAL RES. USA INC.18,6301981-02-04