HARRELL ESTATE

Oil · District 06 · Lease #12820

Operator: KALOS CORPORATION

Cum Oil

67k BBL

Cum Gas

364k MCF

casinghead

Wells

1

Production

1993-01 — 2006-05

Peak Month

1993-04

Production History

Cum Oil: 66,522 BBL Cum Gas: 364,081 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,581 BBL/mo

Di (annual)

64.7%

b-factor

0.7

EUR

72,506 BBL

R-squared

0.905

type

hyperbolic

Operator History (from monthly production reports)

1993-01 — 2006-08 KALOS CORPORATION 164 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1KALOS CORPORATION17,9001990-09-04