< leases

ROCKER B 108

Oil · District 7C · Lease #13872

Operator: PIONEER NATURAL RES. USA, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

62k BBL

Cum Gas

301k MCF

casinghead

Wells

4

Production

1995-07 — 2015-04

Peak Month

2013-12

Production History

Cum Oil: 61,979 BBL Cum Gas: 300,953 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,812 BBL/mo

Di (annual)

113.8%

b-factor

0.6

EUR

43,333 BBL

R-squared

0.664

type

hyperbolic

Operator History (from monthly production reports)

2014-12 — 2016-08 PIONEER NATURAL RES. USA, INC. 21 mo
2014-09 — 2014-11 DISCOVERY NATURAL RESOURCES LLC 3 mo
2012-01 — 2014-08 FIML NATURAL RESOURCES, LLC 32 mo
2006-04 — 2011-12 CHEVRON MIDCONTINENT, L.P. 69 mo
2002-01 — 2006-03 HEC PETROLEUM, INC. 51 mo
1995-07 — 2001-12 HALLWOOD PETROLEUM, INC. 78 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
108M42-235-35524PIONEER NATURAL RES. USA, INC.110,0002013-07-15
242-235-33393PIONEER NATURAL RES. USA, INC.26,6001996-01-26
442-235-33441PIONEER NATURAL RES. USA INC.16,6001995-10-04
142-235-33392PIONEER NATURAL RES. USA INC.16,6001995-05-23