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Cementing Technologies (DRI30)

  • 15-19 October 20175 daysAbu Dhabi, UAECourse Fee: 4200 USD

Description

Cementing operations are the foundation of a well. Their success or failure will impact on the quality and future performance of the well.

Course Level: Basic to Intermediate
Instructor: Antonio Abreu

Designed for you, if you are...

  • A drilling engineer, completion engineer, production engineer or oil field technical staff

How we build your confidence

You will understand the importance of primary cementing in well life cycle and well integrity, making correlations between poor cement jobs and future production.

The benefits from attending

By the end of the course you will feel confident in your understanding of:

  • Designing a cement job
  • Cement evaluation techniques
  • Selection of additives
  • Main parameters and KPI’s for a successful cementing operation

Topics

  • Course introduction
  • One stage cement jobs
  • Two stage jobs
  • Liner cementing
  • Squeeze cementing
  • Cement head and wiper plugs
  • Calculations: Volume of cement slurry, number of Sks, mix water, additives, displacement volumes required
  • Calculator for all parameters of the cement job
  • Pressures during and at end of displacement
  • Buoyancy effect on casing
  • Relevant factors that influence the success of any cement job
  • Cement job planning and execution
  • Casing hardware
  • Cement chemistry (focus on class G cement)
  • Compressive strength and permeability
  • Strength retrogression
  • Thixotropic cement slurries
  • The importance of BHCT and BHST
  • Mud removal and the effect of mud contamination on compressive strength
  • Gas migration
  • Set cement requirements
  • Lost circulation
  • Slanted and horizontal cementing
  • Gas migration and its root causes
  • Lost circulation
  • Cementing horizontal wells
  • Cement laboratory equipment
  • Rheology and its application in oil well cementing
  • Flow modules and mud removal
  • Spaces and washes
  • Cement placement: turbulent and laminar flow
  • Special cement systems:
  • Engineered particle size cements
  • Salt cementing
  • Thixotropic cement systems
  • Light weight cements
  • Foam cement
  • Permafrost cement
  • Cement quality evaluation logs (cement bond logs)
  • Overview of sonic and ultrasonic logs
  • Examples of CBL/VDL Log displays and evaluation of cement quality
  • CBL VDL: pros and cons
  • The bond index
  • SCMT: slim cementing mapping tool
  • Ultrasonic tools: USIT
  • Ultrasonic log USIT over sonic log CBL
  • Cement logs summary
  • Examples of CBL/VDL log displays and evaluation of cement quality
  • Major hazards on a cementing operation
  • Risk assessment
  • Safety hazards related to a cementing operation


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