HARTGROVE "C"

Oil · District 7C · Lease #11728

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

25k BBL

Cum Gas

122k MCF

casinghead

Wells

2

Production

1993-01 — 2008-07

Peak Month

1993-05

Production History

Cum Oil: 24,870 BBL Cum Gas: 122,371 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

380 BBL/mo

Di (annual)

17.8%

b-factor

0.0

EUR

25,534 BBL

R-squared

0.806

type

exponential

Operator History (from monthly production reports)

1997-09 — 2011-11 PIONEER NATURAL RES. USA, INC. 171 mo
1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo
1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PIONEER NATURAL RES. USA, INC.28,2501985-12-16
2PIONEER NATURAL RES. USA INC.18,2501985-11-07