COLBY, E.H. ET AL

Oil · District 3 · Lease #18825

Operator: TEXCAL ENERGY (GP) LLC

Cum Oil

194k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2026-03

Peak Month

2011-05

Production History

Cum Oil: 194,039 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,213 BBL/mo

Di (annual)

48.4%

b-factor

0.2

EUR

68,388 BBL

R-squared

0.702

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
16GULF OIL CORP.26,0002011-05-23
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