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Updated March 2019

Specialist Oil & Gas training courses from Oil & Gas experts


3 - The Drill String

Drilling an oil or gas well is no simple matter, and as viable reservoirs become harder to access, new technology needs to be developed to overcome the problems posed in reaching these hydrocarbon deposits. In this module, we look at a range of drill string components and the roles they play in ensuring the success of a drilling operation. Equipment covered includes Drill Bits, Drill Collars, Drill Pipe, Stabilizers, Reamers, Motors, Heavy Weight Drill Pipe and Jars.

Approximate duration: 20 minutes.

By the end of this module you should be able to:

  • Recognise the most common components of the drill string
  • Identify the common features shared by all tubulars
  • Explain the purpose of each part of the bottom hole assembly
  • Describe the difference between heavy weight and normal weight drill pipe
  • List some of the advanced BHA tools used for drilling wells

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