ROCKER B -Q-

Oil · District 7C · Lease #6524

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

150k BBL

Cum Gas

653k MCF

casinghead

Wells

21

Production

1993-01 — 2014-05

Peak Month

1997-09

Production History

Cum Oil: 150,159 BBL Cum Gas: 652,891 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

792 BBL/mo

Di (annual)

5.5%

b-factor

0.0

EUR

162,524 BBL

R-squared

0.329

type

exponential

Operator History (from monthly production reports)

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 (21)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
19HPIONEER NATURAL RES. USA, INC.37,4502012-07-20
18HPIONEER NATURAL RES. USA, INC.37,5612012-07-19
1DPIONEER NATURAL RES. USA, INC.16,2002012-06-18
17PIONEER NATURAL RES. USA, INC.18,8002008-04-07
22PIONEER NATURAL RES. USA, INC.17,4002006-03-23
21PIONEER NATURAL RES. USA, INC.17,2001997-10-16
20PIONEER NATURAL RES. USA, INC.16,7001997-06-20
15PIONEER NATURAL RES. USA, INC.17,9001997-05-15
16PIONEER NATURAL RES. USA, INC.17,9001997-05-15
142-235-30474PIONEER NATURAL RES. USA INC.------
1042-235-30470PIONEER NATURAL RES. USA INC.------
1142-235-30443PIONEER NATURAL RES. USA, INC.------
1242-235-30438PIONEER NATURAL RES. USA, INC.------
242-235-30425PIONEER NATURAL RES. USA INC.------
342-235-30473PIONEER NATURAL RES. USA, INC.------
442-235-30440PIONEER NATURAL RES. USA INC.------
542-235-30472PIONEER NATURAL RES. USA INC.------
642-235-30444PIONEER NATURAL RES. USA, INC.------
742-235-30471PIONEER NATURAL RES. USA INC.------
842-235-30439PIONEER NATURAL RES. USA INC.------
942-235-30456PIONEER NATURAL RES. USA, INC.------