KELLEY -B-

Oil · District 08 · Lease #26591

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

15k BBL

Cum Gas

46k MCF

casinghead

Wells

1

Production

1993-01 — 2001-04

Peak Month

1993-08

Production History

Cum Oil: 14,715 BBL Cum Gas: 45,590 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

184 BBL/mo

Di (annual)

7.7%

b-factor

0.0

EUR

28,088 BBL

R-squared

0.382

type

exponential

Operator History (from monthly production reports)

1997-09 — 2002-01 PIONEER NATURAL RES. USA, INC. 53 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.19,5001980-12-12