THOMAS

Oil · District 10 · Lease #6638

Operator: STARTEX OPERATING COMPANY

Cum Oil

21k BBL

Cum Gas

447k MCF

casinghead

Wells

1

Production

1993-01 — 2006-10

Peak Month

1993-01

Production History

Cum Oil: 20,668 BBL Cum Gas: 447,450 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

174 BBL/mo

Di (annual)

7.6%

b-factor

0.0

EUR

26,715 BBL

R-squared

0.352

type

exponential

Operator History (from monthly production reports)

2004-06 — 2007-04 DOMINION OKLAHOMA TEXAS E&P, INC 35 mo
1994-01 — 2004-05 STARTEX OPERATING COMPANY 125 mo
1993-01 — 1993-12 SAXET OPERATING COMPANY, INC. 12 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
105ENERVEST OPERATING L.L.C.212,5001988-01-06