Stuck Pipe

Changing a Bottom Hole Assembly To avoid problems with under gauge hole and BHA changes…

Fishing Planning and Preparation When equipment has been lost or is stuck in the hole,…

Effective Pull On Stuck Pipe The first actions taken when the drillstring becomes stuck have…

Differential Sticking (Cause of Stuck Pipe) In normal overbalanced drilling conditions, a pressure differential exists…

Back-Off Procedures Conditions for a successful back-off: a) The string shot strength should be sufficient…

Fishing with Overshots The following guidelines should be considered when fishing with overshots: A pack-off…

Pilot Mill Pilot mills are used for milling the following equipment/ material: adapters, liners, casing,…

Stretch graph for 3.5″ and 5″ Drilll Pipe Stretch graph for 3.5″ and 5″ Drilll…

Overpulls/ Stuck Pipe In Surface Hole If any tight hole is experienced when drilling with…

Stuck Pipe – Free Point Determination Detection of the stuck point to locate the lowest…