< leases

ROCKER B "R"

Oil · District 7C · Lease #9023

Operator: PIONEER NATURAL RES. USA, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

67k BBL

Cum Gas

282k MCF

casinghead

Wells

4

Production

1993-01 — 2023-06

Peak Month

2002-05

Production History

Cum Oil: 66,653 BBL Cum Gas: 282,040 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

361 BBL/mo

Di (annual)

5.4%

b-factor

0.1

EUR

78,619 BBL

R-squared

0.901

type

hyperbolic

Operator History (from monthly production reports)

2008-01 — 2023-11 PIONEER NATURAL RES. USA, INC. 191 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 (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-235-31650PIONEER NATURAL RES. USA, INC.16,7001980-10-30
342-235-31649PIONEER NATURAL RES. USA, INC.16,7001980-10-30
442-235-31648PIONEER NATURAL RES. USA INC.16,7001980-10-30
142-235-31558PIONEER NATURAL RES. USA INC.16,7001980-04-29