J.W. COOKE UNIT 1

Oil · District 06 · Lease #15275

Operator: R. LACY SERVICES, LTD.

Cum Oil

36k BBL

Cum Gas

248k MCF

casinghead

Wells

1

Production

2013-09 — 2021-04

Peak Month

2015-08

Production History

Cum Oil: 35,939 BBL Cum Gas: 248,280 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,136 BBL/mo

Di (annual)

346.7%

b-factor

0.6

EUR

25,991 BBL

R-squared

0.726

type

hyperbolic

Operator History (from monthly production reports)

2013-09 — 2026-07 R. LACY SERVICES, LTD. 155 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5R. LACY SERVICES LTD.310,1002013-07-29