Overview
A practical treatment of the causes of stuck pipe and the techniques used to avoid it. Covers the operation, selection and use of fishing tools including decision-making methods, as well as wellbore recovery and sidetracking. Participants learn how to prevent fishing jobs and, if they occur, how to recover the fish or sidetrack the well.
Course agenda
Day 1: Drilling and hole types
- Overview of drilling
- Hole designs and types
- Axial loads
- Drill string design
Day 2: Drill string and stuck pipe
- Drill string design (continued)
- Causes and prevention of drill string failure
- Wellbore stability
- Stuck pipe mechanisms, consequences and geometry causes
Day 3: Stuck pipe, hole cleaning and fishing
- Differential sticking and lost circulation
- Hole cleaning
- Fishing: causes, prevention, tool types and operations
Day 4: Fishing and directional drilling
- Fishing tool selection and economics
- Directional drilling
- Plug back methods
- Open hole and cased hole
Day 5: Sidetracking
- Reasons and considerations
- Effects on future operations
- Open hole and cased hole sidetracks