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E-421 - Bit, Drill String & Fishing while Drilling

E-421 - Bit, Drill String & Fishing while Drilling

5 days
FOR/OUTGARNE
Sessions
Dates Location Tuition Register
Apr 03 - 06, 2018 Pau 3,580 €
Online By email
Who should attend?

Audience

    • Young engineers and supervisors, toolpushers with some experience in drilling.

Level

  • Foundation
  • This course provides an in-depth, practical knowledge of bit, drill string, and fishing techniques and equipment.
Learning Objectives
  • Upon completion of the course, participants will be able to:
  • acquire the basic knowledge on the bit and the drill stem,
  • carry out basic calculations on the drill stem,
  • choose a drill stem,
  • use the different elements of the drill stem,
  • learn about main techniques and equipment used to solve a fishing problem while drilling.
Course Content

BIT

2 days

  • Bit different types and classification.
  • Bit use and drilling parameters.
  • Dull grading.
  • Bit nozzle selection.
  • Bit selection.
  • Visit of a Varel manufacturing unit.

DRILL STRING

1.75 days

  • Distribution of stresses in the drill stem, neutral point.
  • Drill pipes: characteristics, limits of use, combination of stresses, buckling.
  • Drill collars: characteristics, profile, threading, choice of diameter.
  • Auxiliary equipment: kelly, heavy weight drill pipes, stabilizers.
  • Drill string selection: first approach.
  • Margin of overpull, equiresistant drill string, necessary length of DC.

FISHING WHILE DRILLING

1 day

  • Different problems found during drilling.
  • Causes for sticking.
  • Principles of the solutions to sticking.
  • Fishing equipment lost in the well, main tools used.
  • Avoiding sticking and losses of equipment in the wells.
KNOWLEDGE ASSESSMENT 0.25 day

Ways & Means
  • Application to a real case (project) for the participants in the “Drilling and Completion Engineering” training course (E-412C).