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TUNDER B #1-11

API 3505922257 · Harper County, Oklahoma

ACOIL
API
3505922257
Operator
EVOLUTION ENERGY LLC
County
Harper
Location
Sec 11 26N 22W (IM)

Drilling permits

Oklahoma files 2 applications to drill this well, naming 5 target formations. A permit records what an operator asked to do, not what it did. A target formation is where the operator aimed, and the hole may have missed it, stopped short of it or never been drilled.

Filed 2003-06-19

WRADR
Permit API
35059222570000
Operator
CUMMINGS OIL COMPANY
Well type
OIL
Approved
2003-06-19
Expires
2003-12-19
Proposed depth
6,700 ft
Surface casing
700 ft
Ground elevation
1,865 ft

Target formations

FormationExpected top (ft)
TONKAWA5,100
MORROW6,450
CHESTER6,550

An expected top is the depth the operator predicted before drilling, on the application it filed with Oklahoma. It is not a measurement of where the formation was found.

Filed 2005-01-19

WRAAM
Permit API
35059222570001
Operator
CUMMINGS OIL COMPANY
Well type
OIL
Approved
2005-01-19
Expires
2005-07-19
Proposed depth
6,700 ft
Surface casing
700 ft
Ground elevation
1,865 ft

Target formations

FormationExpected top (ft)
OSWEGO5,712
CHESTER6,550

An expected top is the depth the operator predicted before drilling, on the application it filed with Oklahoma. It is not a measurement of where the formation was found.

Location

36.748973, -99.539800

36.74897, -99.53980 · Surface location as filed with Oklahoma

Every well in Harper County, Oklahoma

Oklahoma state record, from OK_wells_rbdms-wells.parquet. Corpus built 2026-09-11.