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One technique for freeing the stuck pipe, or avoiding the issue to begin with, is to rotate the pipe string while pulling out of the hole. Key Seated Stuck Pipe Key seating occurs when the drill string becomes off-centered in the wellbore, and the pipe collars become caught on a deviation in the wellbore.
CISBOT is introduced into a pipeline through a 5-by-5-foot (1.5 m × 1.5 m) hole and can repair the joints with an anaerobic sealant for a distance of 1,500 feet (460 m) while the pipe is still in operation. External repair without the robot would require the arranging of temporary gas supply to customers through tanks, purging the pipeline of ...
Free-point tools are designed to measure torque and stretch in tubing, casings, and drill pipes and to provide accurate free pipe indication. A common method which involves deploying a wireline device to estimate the depth at which the pipe string is stuck. The pipe is then separated and all the pipe that is not stuck is pulled out of the hole ...
A cleaning pig for a 710-millimetre (28 in) oil pipeline. The blue plastic disks seal against the inside of the pipe to propel the device and to remove loose sedimentation or scale buildup. The black rectangles at the top and the circular disks in the center are magnets to attract and remove any loose metal objects in the pipe.
The process of CIPP involves inserting and running a felt lining into a preexisting pipe that is the subject of repair. Resin within the liner is then exposed to a curing element to harden it and make it attach to the inner walls of the pipe. Once fully cured, the lining now acts as a new pipeline.
A dog had to be rescued by firefighters after getting stuck in an underground pipe. It is thought Tango, an English pointer, became spooked by something while walking with his owner in Epping ...
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