Practical Aspects of Well Construction & Planning

DRIL/PAWPCE

Who should attend?

  • This course provides a comprehensive overview of all steps that should be taken to properly plan and budget Oil & Gas exploration or development wells, from pre-planning with geoscientists all the way to the well delivery for production or testing.
Audience :
  • Young engineers, drilling and completion superintendents involved in well construction or with related activities.

Level : Foundation

Course Content

  • WELL OBJECTIVES & INPUTS TO THE DRILLING PROGRAM

      • Typical objectives and inputs to an exploration or/and a development well program.
      • Pore and fracturation pressure evaluation.
      • Criteria to consider for the well design.
  • CASING DESIGN: SHOE POSITIONING

      • Swab and surge considerations, kick tolerance, hypothesis selection.
      • Selection of mud weights, additional constraints, exercises with different hypothesis.
  • CASING DESIGN: CASING SELECTION

      • Physical and mechanical properties of casings and casing connections.
      • Casing string calculation, selection.
  • WELLHEAD DESIGN & SELECTION

      • Different wellheads in onshore and offshore environments.
      • Wellhead and BOP selection.
  • BITS PROGRAM

      • Different types of bits, bit selection: bit records, cost per foot, bit hydraulics.
      • Exercises.
  • DRILL STRING, COMPONENTS & SELECTION

      • Drill string components.
      • Characteristics and limit of use.
      • BHA and drill pipe selection.
      • Exercises.
  • MUD & CEMENT PROGRAM

      • Drilling fluid types and characteristics, mechanical treatment equipment.
      • Selection of mud program according to the well construction criteria.
      • Cementing technology and procedures, cement and slurry design.
      • Cementing program, cementing quality control.
      • Exercises.
  • FORMATION EVALUATION PROGRAM

      • Open hole logging tools (GR, resistivity, density, neutron, sonic).
      • Quick look exercise.
  • DEVIATED WELLS DESIGN: DIRECTIONAL DRILLING METHODS & TECHNOLOGY

      • Directional drilling tools and technology, directional program.
      • Trajectory planning coordinates systems.
      • Trajectory calculation methods, uncertainty evaluation, anti collision.
      • Drill string selection.
  • RIG SELECTION

      • Main drilling rig functions.
      • Types of rigs, rig selection criteria.
  • STUCK PIPE

      • Borehole stability, causes of stuck pipes and first actions.
      • Warning signs and method to free pipes, preventive measures.
  • WELL COMPLETION

      • Different ways to complete the well.
      • Sand control, stimulation.
      • Tubing, packer, safety valve selection.
      • Well intervention: wireline, coiled tubing, snubbing, workover.
  • TIME ESTIMATE & PROVISIONAL PROGRESS CURVE

      • Typical rig times required for the different operations, contingencies.
      • Progression curve.
      • Cost estimation according to the environment (type of well, rigs).

Learning Objectives

  • Upon completion of the course, participants will be able to:
  • optimize and review the different parameters involved in oil or gas well planning,
  • identify major concerns and plan for dealing with them,
  • apply procedures and methods for designing oil or gas wells and preparing drilling programs,
  • learn how to estimate drilling time and costs, along with corresponding margins of error,
  • recognize the importance of effective well engineering and planning.

Ways & Means

  • Interactive course with practical exercises using the Drilling Data Handbook.
  • Videos and animations.