ROCKER B -E-

Oil · District 7C · Lease #6173

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

133k BBL

Cum Gas

718k MCF

casinghead

Wells

16

Production

1993-01 — 2015-10

Peak Month

2012-07

Production History

Cum Oil: 133,492 BBL Cum Gas: 718,231 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,943 BBL/mo

Di (annual)

324.3%

b-factor

1.8

EUR

209,479 BBL

R-squared

0.832

type

hyperbolic

Operator History (from monthly production reports)

2014-12 — 2016-01 DISCOVERY NATURAL RESOURCES LLC 14 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 (16)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12DISCOVERY NATURAL RESOURCES LLC19,6002011-03-30
15DISCOVERY NATURAL RESOURCES LLC19,6002011-03-30
11DISCOVERY NATURAL RESOURCES LLC29,7002010-06-25
5DISCOVERY NATURAL RESOURCES LLC28,5002006-01-06
6DISCOVERY NATURAL RESOURCES LLC18,5002006-01-06
4DISCOVERY NATURAL RESOURCES LLC17,2001997-10-16
2DISCOVERY NATURAL RESOURCES LLC17,2001997-08-27
10DISCOVERY NATURAL RESOURCES LLC17,3001997-04-11
9DISCOVERY NATURAL RESOURCES LLC17,3001997-03-07
1 E42-235-30198DISCOVERY NATURAL RESOURCES LLC------
2 E42-235-30220DISCOVERY NATURAL RESOURCES LLC------
4 E42-235-30197DISCOVERY NATURAL RESOURCES LLC------
5 E42-235-30196DISCOVERY NATURAL RESOURCES LLC------
6 E42-235-30206DISCOVERY NATURAL RESOURCES LLC------
7 E42-235-30199DISCOVERY NATURAL RESOURCES LLC------
8 E42-235-30195DISCOVERY NATURAL RESOURCES LLC------