This standard specifies the operation of unblocking logging cables and downhole instruments after they become stuck in the well. This standard applies to the operation of logging cable penetration fishing using slide-type overshot, slip-type or contained overshot. Other salvage tools can be used as a reference.
SY/T 5361-2007 history
2014SY/T 5361-2014 Technical specifications for fishing operation of wireline logging tool
2007SY/T 5361-2007 Code for the cut-and-thread fishing operation
1995SY/T 5361-1995 Operating rules for drilling and fishing of well logging cables