MARSHALL

Oil · District 09 · Lease #20425

Operator: T-N-T ENGINEERING, INC.

Cum Oil

11k BBL

Cum Gas

194 MCF

casinghead

Wells

3

Production

1993-01 — 2024-12

Peak Month

1994-03

Production History

Cum Oil: 11,380 BBL Cum Gas: 194 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

244 BBL/mo

Di (annual)

21.5%

b-factor

0.0

EUR

13,528 BBL

R-squared

0.506

type

exponential

Operator History (from monthly production reports)

2026-04 — 2026-07 SBG RESOURCES GROUP LLC 4 mo
2019-08 — 2026-03 DAYLIGHT PETROLEUM LLC 80 mo
2016-07 — 2019-07 AVAD OPERATING, LLC 37 mo
1996-09 — 2016-06 T-N-T ENGINEERING, INC. 238 mo
1993-01 — 1996-08 SUNDAY CORPORATION 44 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2SBG RESOURCES GROUP LLC14,9901980-05-16
3SBG RESOURCES GROUP LLC14,9901980-05-16
1SBG RESOURCES GROUP LLC15,5001980-04-25