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VIERSEN #4-20

API 3501123053 · Blaine County, Oklahoma

PAGAS
API
3501123053
Operator
OVINTIV USA INC
County
Blaine
Location
Sec 20 17N 11W (IM)

Drilling permits

Oklahoma files 2 applications to drill this well, naming 6 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 2003-12-08

WRADR
Permit API
35011230530000
Operator
CHESAPEAKE OPERATING LLC
Well type
GAS
Approved
2003-12-08
Expires
2004-06-08
Proposed depth
8,650 ft
Surface casing
100 ft
Ground elevation
1,342 ft

Target formations

FormationExpected top (ft)
OSWEGO7,762
ATOKA8,378
MORROW SD8,526

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 2003-12-08

WRAAM
Permit API
35011230530001
Operator
CHESAPEAKE OPERATING LLC
Well type
GAS
Approved
2003-12-08
Expires
2004-06-08
Proposed depth
8,650 ft
Surface casing
100 ft
Ground elevation
1,342 ft

Target formations

FormationExpected top (ft)
OSWEGO7,762
ATOKA8,378
MORROW SD8,394

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

35.939055, -98.401400

35.93906, -98.40140 · Surface location as filed with Oklahoma

Every well in Blaine County, Oklahoma

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