Stuckpipe & Fishing Operations

Instructor:

H. Rabia, S.Saleh 

Course Duration:

one week

Who Should Attend:

For Drilling Supervisors, Rig Formen, Toolpushers, Drilling Engineers, Drillers ,Drilling Managers and Service Companies Objectives:

To reduce hole problems, learn about mechanisms leading to hole problems, interpret jarring envelopes, calculate stuckpipe forces. Learn about fishing tools and their selection

Content:

• Stuck Pipe & Hole Problems
  • Stuck Pipe Diagnosis 
  • Differential sticking mechanisms 
  • Freeing differentially stuck pipe 
  • Pipe freeing agents 
  • Reduction of mud hydrostatic pressure 
  • Dealing with kicks while freeing stuck pipe 
  • The U-tube method 
  • Mechanically stuck pipe mechanisms 
  • Shale problems ( brittle , reactive and hard shales) 
  • Settled cuttings 
  • Ledges and doglegs 
  • Key seating 
  • Fractured formations 

Decision trees :

Which pipe sticking mechanism is in my hole? 

Economics 

Jars: working principles, jarring envelope 

Stuck Pipe Forces: Calculations 

Back off operations 

Filed examples 

Lost circulation

• Fishing Operations
  • Casing strength and tool strength specification 
  • Milling tools and assembly 
  • Hole cleaning and swarf removal 
  • Window milling 
  • Milling junk 
  • Standard fishing tools 
  • Fishing operations 
  • Fishing economics 
  • Explosive charges 
  • Torque calculations