ROCKER B '15'

Oil · District 7C · Lease #14639

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

120k BBL

Cum Gas

279k MCF

casinghead

Wells

6

Production

1997-09 — 2016-03

Peak Month

2006-06

Production History

Cum Oil: 119,773 BBL Cum Gas: 279,037 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,337 BBL/mo

Di (annual)

24.4%

b-factor

0.0

EUR

65,565 BBL

R-squared

0.680

type

exponential

Operator History (from monthly production reports)

2008-01 — 2024-02 PIONEER NATURAL RES. USA, INC. 194 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
1997-09 — 1998-03 HUGOTON ENERGY CORPORATION 7 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
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
3PIONEER NATURAL RES. USA INC.17,2001997-08-27
1PIONEER NATURAL RES. USA INC.17,2001997-07-22