< leases

WARWINK UNIVERSITY 18-35 'B'

Oil · District 08 · Lease #35670

Operator: PRIZE OPERATING COMPANY

Fields: WAR-WINK, W. (WOLFCAMP)

Cum Oil

842k BBL

Cum Gas

1.3M MCF

casinghead

Wells

5

Production

1998-02 — 2026-04

Peak Month

2006-12

Production History

Cum Oil: 841,531 BBL Cum Gas: 1,269,634 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

11,005 BBL/mo

Di (annual)

35.2%

b-factor

0.3

EUR

528,440 BBL

R-squared

0.752

type

hyperbolic

Operator History (from monthly production reports)

2024-08 — 2026-07 APACHE CORPORATION 24 mo
2018-09 — 2024-07 CALLON PETROLEUM OPERATING CO 71 mo
2006-05 — 2018-08 CIMAREX ENERGY CO. OF COLORADO 148 mo
2002-04 — 2006-04 GRUY PETROLEUM MANAGEMENT CO. 49 mo
1999-07 — 2002-03 PRIZE OPERATING COMPANY 33 mo
1998-02 — 1999-06 PIONEER NATURAL RES. USA, INC. 17 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
342-475-34568APACHE CORPORATION212,6502007-03-27
3H42-475-34568APACHE CORPORATION212,6502007-03-27
4H42-475-35182APACHE CORPORATION111,8002006-11-13
242-475-34536APACHE CORPORATION212,6502006-06-21
2H42-475-34536APACHE CORPORATION212,6502006-06-21