< leases

KEYSTONE CATTLE COMPANY

Oil · District 08 · Lease #27106

Operator: WOOD, MCSHANE & THAMS

Fields: KEYSTONE (COLBY)

Cum Oil

165k BBL

Cum Gas

248k MCF

casinghead

Wells

16

Production

1993-01 — 2024-11

Peak Month

1994-08

Production History

Cum Oil: 164,740 BBL Cum Gas: 247,579 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

776 BBL/mo

Di (annual)

7.2%

b-factor

0.0

EUR

126,168 BBL

R-squared

0.397

type

exponential

Operator History (from monthly production reports)

2024-05 — 2026-07 FORMENTERA OPERATIONS LLC 27 mo
2021-06 — 2024-04 SADDLEBACK EXPLORATION, LLC 35 mo
2016-12 — 2021-05 BLACKBEARD OPERATING, LLC 54 mo
2013-01 — 2016-11 MERIT ENERGY COMPANY 47 mo
2006-05 — 2012-12 CIMAREX ENERGY CO. OF COLORADO 80 mo
2002-04 — 2006-04 GRUY PETROLEUM MANAGEMENT CO. 49 mo
2000-03 — 2002-03 PRIZE OPERATING COMPANY 25 mo
1995-11 — 2000-02 VISTA RESOURCES, INC. (A) 52 mo
1993-01 — 1995-10 WOOD, MCSHANE & THAMS 34 mo

Wells (16)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
442-495-31425FORMENTERA OPERATIONS LLC34,5501989-01-26
17 C42-495-32012FORMENTERA OPERATIONS LLC23,8001985-10-31
1 W42-495-32010FORMENTERA OPERATIONS LLC13,8001985-10-31
2 W42-495-32009FORMENTERA OPERATIONS LLC13,8001985-10-31
3 W42-495-32008FORMENTERA OPERATIONS LLC13,8001985-10-31
4 W42-495-32011FORMENTERA OPERATIONS LLC13,8001985-10-31
18 C42-495-32007FORMENTERA OPERATIONS LLC13,8001985-10-25
15 C42-495-31715FORMENTERA OPERATIONS LLC13,8001984-02-14
16C42-495-31714FORMENTERA OPERATIONS LLC13,8001984-02-14
14 C42-495-31711FORMENTERA OPERATIONS LLC13,8001984-02-10
12 C42-495-31676FORMENTERA OPERATIONS LLC13,8001983-11-09
11C42-495-31628FORMENTERA OPERATIONS LLC13,8001983-08-31
13 C42-495-31627FORMENTERA OPERATIONS LLC13,8001983-08-31
9C42-495-31603FORMENTERA OPERATIONS LLC13,8001983-07-11
8C42-495-31541FORMENTERA OPERATIONS LLC13,8001982-11-18
19642-495-01345FORMENTERA OPERATIONS LLC25,0001982-03-04