发明名称 CASING CUTTER
摘要 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.
申请公布号 WO2005016581(A2) 申请公布日期 2005.02.24
申请号 WO2004US26163 申请日期 2004.08.12
申请人 OCEANEERING INTERNATIONAL, INC. 发明人 BARROW, STEVEN;THORNE, DON;BENSON, DAN;MCCOY, RICH
分类号 B23B;E21B29/00;E21B33/038 主分类号 B23B
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