Published July 2017
The aspects of fishing in production wells
Y.A. IbrahimovThe paper presents the factors positively influencing the fishing operation quality and removal of emergency pipe with fishing tool and their necessity is noted. The definition of optimum tension failure and extension loads using tools with slip-wedge-shaped fishing mechanism for reliable catch of drill-pipe slips with the pipe surface and for its further successful breaking-out has been analyzed. The data on valid extension in number of works to free, definition of permissible safe number of periods of casing string according to the formula and special scheme of complicated (fishing, milling operation, etc.) works with examples shown as well as conclusions are presented.
