HICKMAN "A"

Oil · District 7B · Lease #21778

Operator: GOODROCK NATURAL RESOURCES, LLC

Cum Oil

111k BBL

Cum Gas

60k MCF

casinghead

Wells

4

Production

1993-01 — 2026-04

Peak Month

1999-05

Production History

Cum Oil: 111,217 BBL Cum Gas: 59,652 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,008 BBL/mo

Di (annual)

10.3%

b-factor

0.0

EUR

116,550 BBL

R-squared

0.863

type

exponential

Operator History (from monthly production reports)

2018-01 — 2026-07 GOODROCK NATURAL RESOURCES, LLC 103 mo
1993-01 — 2017-12 COCKRELL PRODUCTION CO., INC. 300 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6XGOODROCK NATURAL RESOURCES, LLC36,8002007-05-24
6XRGOODROCK NATURAL RESOURCES, LLC36,8002007-05-24
5GOODROCK NATURAL RESOURCES, LLC16,8001985-09-17
4GOODROCK NATURAL RESOURCES, LLC16,8001985-05-16