< leases

ROCKER B '20'

Oil · District 7C · Lease #14706

Operator: PIONEER NATURAL RES. USA, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

36k BBL

Cum Gas

148k MCF

casinghead

Wells

2

Production

1997-11 — 2021-12

Peak Month

1998-03

Production History

Cum Oil: 36,278 BBL Cum Gas: 148,155 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

975 BBL/mo

Di (annual)

209.8%

b-factor

1.4

EUR

44,183 BBL

R-squared

0.800

type

hyperbolic

Operator History (from monthly production reports)

2008-01 — 2022-11 PIONEER NATURAL RES. USA, INC. 179 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
1997-11 — 1998-03 HUGOTON ENERGY CORPORATION 5 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-383-35858PIONEER NATURAL RES. USA INC.17,0002006-09-29
142-383-34840PIONEER NATURAL RES. USA INC.17,2001997-09-15