CHRIESMAN -A-

Oil · District 08 · Lease #20093

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

145k BBL

Cum Gas

930k MCF

casinghead

Wells

6

Production

1993-01 — 2020-03

Peak Month

1997-09

Production History

Cum Oil: 144,657 BBL Cum Gas: 930,183 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,397 BBL/mo

Di (annual)

20.8%

b-factor

0.7

EUR

160,143 BBL

R-squared

0.674

type

hyperbolic

Operator History (from monthly production reports)

2008-01 — 2026-05 PIONEER NATURAL RES. USA, INC. 221 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 (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6PIONEER NATURAL RES. USA INC.18,9502006-04-04
5PIONEER NATURAL RES. USA, INC.312,0002000-10-27
4PIONEER NATURAL RES. USA INC.29,1001997-04-16
3PIONEER NATURAL RES. USA INC.29,1001997-03-14
142-173-10239PIONEER NATURAL RES. USA INC.------
242-173-10285PIONEER NATURAL RES. USA INC.------