Stuck Pipe – Free Point Determination Detection of the stuck point to locate the lowest…
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Overpulls/ Stuck Pipe In Surface Hole If any tight hole is experienced when drilling with…
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Stretch graph for 3.5″ and 5″ Drilll Pipe Stretch graph for 3.5″ and 5″ Drilll…
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Pilot Mill Pilot mills are used for milling the following equipment/ material: adapters, liners, casing,…
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Fishing with Overshots The following guidelines should be considered when fishing with overshots: A pack-off…
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Back-Off Procedures Conditions for a successful back-off: a) The string shot strength should be sufficient…
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Differential Sticking (Cause of Stuck Pipe) In normal overbalanced drilling conditions, a pressure differential exists…
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Stuck Pipe Prevention Good drilling practices, particularly with regard to circulating and tripping activities, can…
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Hole Cleaning The following are possible indicators of hole cleaning problems: excessive overpull on connections…
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Fishing with Junk Subs Junk subs are constructed with rib guides which are welded to…