Stuck Pipe

Fishing Guidelines The following best practices should be considered for fishing operations: All fishing tool…

Backing-off procedure with top drive A. Backing off stuck pipe – Preliminary remarks: a. The…

Fishing Assemblies and tools Fishing Assemblies and tools.Fishing is the general term used to describe…

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,…