MITCHELL 763

Oil · District 10 · Lease #7681

Operator: HIGHMARK ENERGY OPERATING, LLC

Cum Oil

287k BBL

Cum Gas

1.1M MCF

casinghead

Wells

3

Production

2006-06 — 2026-04

Peak Month

2007-12

Production History

Cum Oil: 286,619 BBL Cum Gas: 1,128,985 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,368 BBL/mo

Di (annual)

149.3%

b-factor

1.0

EUR

221,544 BBL

R-squared

0.858

type

hyperbolic

Operator History (from monthly production reports)

2022-02 — 2026-07 HIGHMARK ENERGY OPERATING, LLC 54 mo
2006-06 — 2022-01 EOG RESOURCES, INC. 188 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7HHIGHMARK ENERGY OPERATING, LLC19,0002007-08-10
6HHIGHMARK ENERGY OPERATING, LLC19,0002006-05-15
5HHIGHMARK ENERGY OPERATING, LLC19,0002006-04-25