RICHEY "54A"

Oil · District 7C · Lease #16278

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

597 BBL

Cum Gas

3k MCF

casinghead

Wells

1

Production

2007-02 — 2008-07

Peak Month

2007-04

Production History

Cum Oil: 597 BBL Cum Gas: 2,510 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

104 BBL/mo

Di (annual)

252.4%

b-factor

0.2

EUR

607 BBL

R-squared

0.916

type

hyperbolic

Operator History (from monthly production reports)

2007-02 — 2015-01 PIONEER NATURAL RES. USA, INC. 96 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10PIONEER NATURAL RES. USA, INC.27,2002007-07-05