ESTES -C-

Oil · District 08 · Lease #30218

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

17k BBL

Cum Gas

30k MCF

casinghead

Wells

2

Production

1993-01 — 1999-04

Peak Month

1995-08

Production History

Cum Oil: 16,783 BBL Cum Gas: 29,981 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

275 BBL/mo

Di (annual)

8.0%

b-factor

0.0

EUR

40,534 BBL

R-squared

0.381

type

exponential

Operator History (from monthly production reports)

1997-09 — 2000-02 PIONEER NATURAL RES. USA, INC. 30 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.19,4001985-07-30
2PIONEER NATURAL RES. USA INC.19,4001985-07-30