Cementing operations are critical for well life as they constitute the foundations of any gas or oil well. Well Integrity is compromised, unless efficient cementing operations are carried out in every casing job. Like the foundations of a house, Cementing is the basis for an efficient well performance.
Cementing Technologies training course will highlight:
- Overview of Primary Cementing
- Cement Placement (Job Execution and Procedures)
- Cement Calculations
- Cement Additives and Mud Removal
- Effective Cement Placement
- Cement Job Evaluation
- HSE and Cementing
By the end of this training course, you will learn to:
- Calculate Volumes of Cement, Mix Water and Additives
- Understand the critical parameters for any cementing operation
- Select displacement rates for effective mud removal
- When to select Two Stage Cementing
- Select the proper Additives based on Well Conditions
- Read and perform Interpretation of Cement Bond Logs
- Understand Special Cement Systems
- Select Casing Hardware for successful Cementing Operations
INTRODUCTION TO CEMENTING OPERATIONS
- 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
This training course is suitable to a wide range of professionals but will greatly benefit:
- Petroleum Engineers
- Production Engineers
- Drilling Engineers
- Completion Engineers
- Oil Field Technical Staff