THOMAS UNIT 3

Oil · District 8A · Lease #69329

Operator: SCHALK OIL COMPANY, INC.

Cum Oil

3k BBL

Cum Gas

0 MCF

Wells

1

Production

2008-11 — 2013-09

Peak Month

2008-12

Production History

Cum Oil: 2,657 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

208 BBL/mo

Di (annual)

171.3%

b-factor

0.5

EUR

2,717 BBL

R-squared

0.452

type

hyperbolic

Operator History (from monthly production reports)

2008-11 — 2015-08 SCHALK OIL COMPANY, INC. 82 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3SCHALK OIL COMPANY INC.15,3002008-09-25