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COLLAR #1-28H

API 3504522614 · Ellis County, Oklahoma

ACOIL
API
3504522614
Operator
UNBRIDLED RESOURCES LLC
County
Ellis
Location
Sec 28 20N 23W (IM)

Drilling permits

Oklahoma files 2 applications to drill this well, naming 2 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 2007-02-09

WRADR
Permit API
35045226140000
Operator
CHESAPEAKE OPERATING LLC
Well type
OIL
Approved
2007-02-09
Expires
2007-08-09
Proposed depth
11,401 ft
Surface casing
1,450 ft
Ground elevation
2,480 ft

Target formation

FormationExpected top (ft)
CLEVELAND8,570

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 2007-02-09

WRAAM
Permit API
35045226140001
Operator
CHESAPEAKE OPERATING LLC
Well type
OIL
Approved
2007-02-09
Expires
2007-08-09
Proposed depth
11,401 ft
Surface casing
770 ft
Ground elevation
2,480 ft

Target formation

FormationExpected top (ft)
CLEVELAND8,570

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

36.175861, -99.655167

36.17586, -99.65517 · Surface location as filed with Oklahoma

Every well in Ellis County, Oklahoma

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