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Cementing Technologies (DRI30)

  • 14-17 October 20184 daysAbu Dhabi, UAECourse Fee: 3990 USD

Description

Cementing operations constitute the foundation of any oil or gas well. Like the foundation of a house, cementing is the basis for a safe and efficient well performance. Unless successful cementing operations are carried out, well integrity will be compromised with potential serious safety issues and shortening of well life cycle.

Course Level: Skill
Instructor: Antonio Abreu

Designed for you, if you are...

  • A petroleum or production engineer
  • A drilling or completion engineer
  • Oil field technical staff

How we build your confidence

  • Instructor-led delivery focusing both on theoretical concepts and practical onsite experience
  • Real SAP cases will be monitored and evaluated
  • Videos, exercises, case studies will be presented

The benefits from attending

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

  • Calculating volumes of cement, mix water and additives
  • Critical parameters for any cementing operation
  • Selecting displacement rates for effective mud removal
  • When to select two stage cementing
  • Selection of the proper additives based on well conditions
  • How to read and interpret cement bond logs
  • Special cement systems
  • Selecting casing hardware for successful cementing operations

Topics

Introduction to Cementing Operations
  • 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

Cementing Operations Planning and Execution
  • 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

Mud Removal and Cement Placement
  • 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
  • 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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