Wells – Submerged well – Means removably connected to permanent well structure
Reexamination Certificate
2006-08-15
2006-08-15
Beach, Thomas A (Department: 3671)
Wells
Submerged well
Means removably connected to permanent well structure
C166S055700, C166S298000
Reexamination Certificate
active
07090019
ABSTRACT:
A subsea well casing cutting tool for use as part of a well abandonment procedure, the casing cutting tool deployable from a vessel located at a water surface, where in certain embodiments the casing cutting tool comprises a casing gripper; a rotary cutter drive assembly; a rotary cutter; a rotating fluid union that allows high volume water to be fed to the rotating cutting assembly below the drive motor for purposes of extending the cutting blades; and a third party casing hanger removal tool wherein the casing cutting drive assembly forms an interface between the third party rotary casing cutter, an existing subsea casing, and a work class ROV. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope of meaning of the claims.
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Barrow Steve
Benson Dan Thomas
McCoy Rich
Thorne Donald L.
Beach Thomas A
Duane Morris LLP
Oceaneering International Inc.
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