HALFMAN, E. A.

Oil · District 7C · Lease #10043

Operator: MERIT OIL COMPANY

Cum Oil

18k BBL

Cum Gas

46k MCF

casinghead

Wells

1

Production

1993-01 — 2023-03

Peak Month

1997-07

Production History

Cum Oil: 17,870 BBL Cum Gas: 45,943 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

82 BBL/mo

Di (annual)

18.0%

b-factor

1.5

EUR

15,649 BBL

R-squared

0.478

type

hyperbolic

Operator History (from monthly production reports)

2006-03 — 2023-06 LAVANCO ENERGY, LTD. 208 mo
1994-06 — 2006-02 LAVANCO ENERGY, INC. 141 mo
1993-01 — 1994-05 MERIT OIL COMPANY 17 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1LAVANCO ENERGY LTD.15,2801983-01-27