< leases

COWDEN, C. B. & B. T. "37"

Oil · District 08 · Lease #37371

Operator: VANGUARD OPERATING, LLC

Fields: ROEPKE (UPPER DEVONIAN)

Cum Oil

481 BBL

Cum Gas

4k MCF

casinghead

Wells

1

Production

2004-07 — 2005-01

Peak Month

2004-08

Production History

Cum Oil: 481 BBL Cum Gas: 4,196 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

140 BBL/mo

Di (annual)

878.8%

b-factor

1.3

EUR

2,124 BBL

R-squared

0.961

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2023-12 BOAZ ENERGY II OPERATING, LLC 35 mo
2019-09 — 2021-01 GRIZZLY OP OF DELAWARE, LLC 17 mo
2015-10 — 2019-08 VANGUARD OPERATING, LLC 47 mo
2011-12 — 2015-09 LRE OPERATING, LLC 46 mo
2008-05 — 2011-11 LIME ROCK RESOURCES A, L.P. 43 mo
2004-07 — 2008-04 SOUTHWESTERN ENERGY PROD. CO. 46 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-103-34993SOUTHWESTERN ENERGY PROD. CO.26,6002014-03-07