HALFF ESTATE "B"

Oil · District 7C · Lease #7647

Operator: COX, JOHN L.

Cum Oil

1k BBL

Cum Gas

37k MCF

casinghead

Wells

1

Production

1993-01 — 1995-10

Peak Month

1993-05

Production History

Cum Oil: 1,275 BBL Cum Gas: 36,714 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

125 BBL/mo

Di (annual)

383.0%

b-factor

0.5

EUR

718 BBL

R-squared

0.369

type

hyperbolic

Operator History (from monthly production reports)

1993-01 — 1996-07 COX, JOHN L. 43 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1COX JOHN L.110,3001978-07-19