Wells – Processes – Freeing stuck object – grappling or fishing in well
Reexamination Certificate
2005-09-13
2005-09-13
Dang, Hoang (Department: 3672)
Wells
Processes
Freeing stuck object, grappling or fishing in well
C166S099000
Reexamination Certificate
active
06942035
ABSTRACT:
A method for the retrieval of an object from a well (16) with a tool (30) is described, in which the object, by lowering of the tool (30), is directed into a lower inlet section (40) to a hollow holding area (46) in the tool (30). The method is characterized in that a tool (30) is applied which comprises an inlet section (40) with a barbed section (56), which lets the object pass into the holding area (46), but which prevents the object (22) from being led out of the holding area. A tool that can be used to carry out the method is also described, as well as an application.
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Carella Byrne Bain et al.
Dang Hoang
Hand Francis C.
Total Catcher Offshore AS
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