HARTGROVE "A"

Oil · District 7C · Lease #10492

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

20k BBL

Cum Gas

109k MCF

casinghead

Wells

1

Production

1993-01 — 2022-06

Peak Month

1993-01

Production History

Cum Oil: 19,932 BBL Cum Gas: 108,724 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

148 BBL/mo

Di (annual)

10.6%

b-factor

0.3

EUR

21,265 BBL

R-squared

0.652

type

hyperbolic

Operator History (from monthly production reports)

1997-09 — 2025-06 PIONEER NATURAL RES. USA, INC. 334 mo
1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo
1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PIONEER NATURAL RES. USA INC.18,2501983-10-26