Method and apparatus for recovery of subsea well equipment
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 1, 1980
Grant Date -
N/A
app pub date -
Jun 23, 1977
filing date -
Jun 23, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Method and apparatus are disclosed for recovering submerged equipment, such as a guide base and wellhead used in offshore well operations. A recovery tool, which includes an elongated member capable of extending from above the equipment into a well pipe and means for latching the recovery tool to the equipment and explosive means attached to the elongated member for severing the well pipe, is lowered from the water's surface to the equipment and then latched thereto. The explosive is then detonated to sever the well pipe. The recovery tool, together with the equipment and severed portion of the well pipe, is raised to the water's surface.
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