CUSTER, BILLIE "55"

Oil · District 09 · Lease #29178

Operator: KEY ENERGY OF COLORADO, INC.

Cum Oil

155k BBL

Cum Gas

11k MCF

casinghead

Wells

1

Production

1996-05 — 2009-07

Peak Month

1998-05

Production History

Cum Oil: 154,897 BBL Cum Gas: 11,221 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,588 BBL/mo

Di (annual)

262.1%

b-factor

0.7

EUR

46,971 BBL

R-squared

0.514

type

hyperbolic

Operator History (from monthly production reports)

1997-11 — 2012-10 KEY ENERGY OF COLORADO, INC. 180 mo
1996-05 — 1997-10 ENSERCH EXPLORATION, INC 18 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1KEY ENERGY OF COLORADO INC.18,6001996-04-24