WELL TOOL

专利名称：WELL TOOL发明人：D.D. SZARKA申请号：AU7184581申请日：19810615公开号：AU7184581A公开日：19820121

摘要：A combination multiple stage cementing tool and casing inflation packerincludes an inflatable packer having a packer mandrel and an inflatable packing elementdisposed about the mandrel. A cementing tool includes a cylindrical outer casing, acementing port disposed through a side wall of the casing, and a sliding sleeve valveassembly for opening and closing the cementing port. The cylindrical outer casing of thecementing tool is permanently attached to the packer mandrel and has a maximum outerdiameter at least as great as a maximum outer diameter of the inflatable packingelement when the inflatable packing element is in an uninflated position.

申请人：HALLIBURTON CO.

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