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SHREWDER (SHREWDER 4) #4-33

API 3504521163 · Ellis County, Oklahoma

ACGAS
API
3504521163
Operator
UNBRIDLED RESOURCES LLC
County
Ellis
Location
Sec 33 18N 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 2002-10-21

WRARC
Permit API
35045211630001
Operator
CHESAPEAKE OPERATING LLC
Well type
GAS
Approved
2002-10-21
Expires
2003-04-21
Proposed depth
12,900 ft
Surface casing
604 ft
Ground elevation
2,407 ft

Target formation

FormationExpected top (ft)
ATOKA11,138

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 2003-10-06

WRARC
Permit API
35045211630002
Operator
CHESAPEAKE OPERATING LLC
Well type
GAS
Approved
2003-10-06
Expires
2004-04-06
Proposed depth
12,900 ft
Surface casing
604 ft
Ground elevation
2,407 ft

Target formation

FormationExpected top (ft)
ATOKA11,138

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

35.995014, -99.662133

35.99501, -99.66213 · 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.