COX "D"

Oil · District 08 · Lease #34755

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

69k BBL

Cum Gas

198k MCF

casinghead

Wells

2

Production

1995-11 — 2016-10

Peak Month

1998-07

Production History

Cum Oil: 68,873 BBL Cum Gas: 198,010 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

954 BBL/mo

Di (annual)

17.1%

b-factor

0.0

EUR

67,011 BBL

R-squared

0.907

type

exponential

Operator History (from monthly production reports)

2005-09 — 2019-09 PIONEER NATURAL RES. USA, INC. 169 mo
2002-08 — 2005-08 L & D, INC. 37 mo
2001-07 — 2002-07 DEVON ENERGY PRODUCTION CO, L.P. 13 mo
1999-03 — 2001-06 CONCHO RESOURCES INC. 28 mo
1995-11 — 1999-02 HANLEY PETROLEUM INC. 40 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA, INC.18,6501994-04-18
1PIONEER NATURAL RES. USA INC.18,6501990-07-18