DUKE-KEATHLY

Oil // district 8 // lease#26929

op: T-N-T ENGINEERING, INC.

cum_oil

415k BBL

cum_gas

0 MCF

wells

5

production

1993-06 — 2026-03

peak_month

1994-10

-- production_history

cum_oil: 414,695 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,472 BBL/mo

Di (annual)

10.0%

b-factor

0.7

EUR

468,637 BBL

R-squared

0.941

type

hyperbolic

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5RUSSELL, T. OPERATING INC.13,4001995-07-31
4RUSSELL, T. OPERATING INC.13,3501994-08-10
3RUSSELL, T. OPERATING INC.23,4001994-01-05
2DUKE OIL CO.14,2001985-12-31
1DUKE OIL CO.14,2001985-12-12
EOF // multi-state drilling data platform // 2026