ROCKER B -C-

Oil · District 7C · Lease #6270

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

111k BBL

Cum Gas

570k MCF

casinghead

Wells

11

Production

1993-01 — 2015-02

Peak Month

2011-11

Production History

Cum Oil: 111,200 BBL Cum Gas: 569,910 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,050 BBL/mo

Di (annual)

31.2%

b-factor

0.0

EUR

40,316 BBL

R-squared

0.624

type

exponential

Operator History (from monthly production reports)

2014-12 — 2015-04 DISCOVERY NATURAL RESOURCES LLC 5 mo
2008-01 — 2014-11 PIONEER NATURAL RES. USA, INC. 83 mo
2006-05 — 2007-12 CIMAREX ENERGY CO. OF COLORADO 20 mo
2004-11 — 2006-04 GRUY PETROLEUM MANAGEMENT CO. 18 mo
1999-10 — 2004-10 NADEL AND GUSSMAN PERMIAN,L.L.C. 61 mo
1998-04 — 1999-09 CHESAPEAKE OPERATING, INC. 18 mo
1995-09 — 1998-03 HUGOTON ENERGY CORPORATION 31 mo
1993-05 — 1995-08 CONSOLIDATED OIL & GAS, INC 28 mo
1993-01 — 1993-04 AMAX OIL & GAS INC. 4 mo

Wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
21DISCOVERY NATURAL RESOURCES LLC210,0002010-06-25
10DISCOVERY NATURAL RESOURCES LLC16,8001985-03-08
11DISCOVERY NATURAL RESOURCES LLC16,8001985-03-08
9DISCOVERY NATURAL RESOURCES LLC16,8001979-09-07
242-383-30260DISCOVERY NATURAL RESOURCES LLC------
342-383-30259DISCOVERY NATURAL RESOURCES LLC------
442-383-30258DISCOVERY NATURAL RESOURCES LLC------
542-383-30257DISCOVERY NATURAL RESOURCES LLC------
642-383-30256DISCOVERY NATURAL RESOURCES LLC------
742-383-30254DISCOVERY NATURAL RESOURCES LLC------
842-383-30255DISCOVERY NATURAL RESOURCES LLC------