CASTEEL NO. 8

Oil · District 09 · Lease #25815

Operator: D L OPERATING

Cum Oil

17k BBL

Cum Gas

5k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1995-03

Production History

Cum Oil: 16,543 BBL Cum Gas: 5,496 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

139 BBL/mo

Di (annual)

11.8%

b-factor

0.0

EUR

14,058 BBL

R-squared

0.369

type

exponential

Operator History (from monthly production reports)

2015-07 — 2026-07 D L OPERATING 133 mo
2010-04 — 2015-06 ARROWHEAD PRODUCTIONS, LP 63 mo
1993-01 — 2010-03 CARTER ENERGY CORPORATION 207 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8D L OPERATING15,1001985-07-29