< leases

SPECK, C. O.

Oil · District 8A · Lease #66653

Operator: SM ENERGY COMPANY

Fields: MILAGRO (SPRABERRY)

Cum Oil

56k BBL

Cum Gas

30k MCF

casinghead

Wells

1

Production

1993-01 — 2026-03

Peak Month

1993-01

Production History

Cum Oil: 56,028 BBL Cum Gas: 30,382 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

210 BBL/mo

Di (annual)

3.1%

b-factor

0.0

EUR

64,271 BBL

R-squared

0.447

type

exponential

Operator History (from monthly production reports)

2024-06 — 2026-07 NEW HEIGHT ENERGY, LLC 26 mo
2023-07 — 2024-05 SM ENERGY COMPANY 11 mo
2021-07 — 2023-06 RELIANCE ENERGY, INC. 24 mo
2019-07 — 2021-06 LPR ENERGY, LLC 24 mo
2018-11 — 2019-06 BASA RESOURCES, INC. 8 mo
2003-10 — 2018-10 JM COX RESOURCES, L.P. 181 mo
1993-01 — 2003-09 COX, JOHN L. 129 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-115-30571NEW HEIGHT ENERGY, LLC28,7001990-11-01