Stuck Pipe

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,…

Formation Instability When dealing with areas of formation instability it is necessary to: – trip…

Pulling Stuck Pipe Prior to pulling stuck drill pipe or stuck casing, carry out the…

Chemical Cutters for Stuck Tubing or Drillpipe The chemical cutter is a tool designed to…

Jarring Stuck Pipe The pipe shall be immediately worked and jarred in the opposite direction…

Taper Mills Taper mills can be used for reaming out collapsed or stuck pipe such…