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Pipe recovery is the process by which the location of the stuck pipe is identified, and the free pipe is separated from the stuck pipe either by a backoff or a chemical cut. This allows fishing tools to subsequently be run down hole to latch onto and remove the stuck pipe.
Drill pipe makes up the majority of the drill string back up to the surface. Each drill pipe comprises a long tubular section with a specified outside diameter (e.g. 3 1/2 inch, 4 inch, 5 inch, 5 1/2 inch, 5 7/8 inch, 6 5/8 inch). At each end of the drill pipe, tubular larger-diameter portions called the tool joints are located.
Free point: The highest point at which the drill pipe is "free" or not stuck. 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 ...
A cat had to be rescued by fire crews after getting stuck in a drainpipe. Avon Fire and Rescue said firefighters from Clevedon, Somerset, were called out at about 10.00 GMT on Saturday.
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 ...
A diagram showing forces at work during differential sticking. The small black arrows represent pressure exerted on the drill pipe from the wellbore, the red arrows represent pressure exerted on the pipe from the formation (smaller than in the wellbore) and the large black arrow represents the net force on the pipe, which is pushing it into the wall.
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Matvieiev was captured in March 2022 while freeing local workers who were being held by Russian troops, said Slobozhan, head of the Association of Cities of Ukraine. "[He] stayed with his ...
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