< leases

CHRIESMAN

Oil · District 08 · Lease #17996

Operator: PIONEER NATURAL RES. USA, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

98k BBL

Cum Gas

385k MCF

casinghead

Wells

3

Production

1993-01 — 2020-01

Peak Month

2006-09

Production History

Cum Oil: 97,577 BBL Cum Gas: 384,914 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,154 BBL/mo

Di (annual)

79.5%

b-factor

1.6

EUR

109,568 BBL

R-squared

0.794

type

hyperbolic

Operator History (from monthly production reports)

2008-01 — 2026-04 PIONEER NATURAL RES. USA, INC. 220 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 (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
342-173-33222PIONEER NATURAL RES. USA INC.28,9502006-04-04
242-173-32758PIONEER NATURAL RES. USA INC.29,1001997-04-16
142-173-00716PIONEER NATURAL RES. USA, INC.------