Advanced Cementing Practices
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Advanced Cementing Practices Course
Introduction:
Cementing is a very important phase of the well construction plan. Operating company personnel must have a good working knowledge of cement, cementing additives, and placement procedures. The use of temperature modeling, computer programs used for job design, and placement of the cement have caused some operating companies to retain a cement service company representative on a full-time basis to assist in the overall cementing operations. The operator is critical to the success of the job. This course covers the importance of the cement sheath integrity during the life of the well, which will require additional mechanical properties of the cement sheath than just the unconfined compressive strength in many cases. The parameters that the cement sheath will be subjected to must be considered. There are a number of joint industry projects addressing this area of work. The course covers the use of cement formulations, cement additives, casing hardware, cement blending, on-site mixing equipment, and a well-planned job procedure. Cementing guidelines that aid in overall job performance will be covered.
Course Objectives:
- To acquire a detailed knowledge of the different cementing techniques
- To address special cases: liner, highly deviated wells, gas zones
- To design a full cementing program for a real typical case
- To assess the quality of a cementing job
- Use cementing additives properly to improve and reduce job costs
- Interpret laboratory test results
- Perform primary cementing operations to include: casing cementing, liner cementing, multi-stage cementing
- Conduct squeeze jobs and selection of squeeze tools
- Perform cement plug operations to improve overall job success
- Interpret cement sheath evaluation logs
- To master the vocabulary specific to cementing
- To understand and use primary cementing techniques and procedures
- To select cement and necessary additives
- To calculate major parameters in a cementing operation
- To assess the quality of a cementing job
Who Should Attend?
Operating company and service company personnel responsible for planning, overseeing, and executing cementing operations. Also, engineers, supervisors, and lab professionals involved or interested in cementing programs
Course Outlines:
Techniques and job procedures
- Primary cementing
- Cement job design
- Job planning and preparation
- Casing running
- Cementing job
- Cementing program
- Job planning and preparation
- Casing running
- Selection of the fluids and flows
- Cementing calculations
- Primary, surface, multistage, liner cementing
- Cement plugs
Cement and slurries
- Cement chemistry
- Special slurries and additives
- Formulation and laboratory tests
- Rheology
- Displacement in eccentered annulus
- Salt zone and temperature problems
Special cases
- Gas zone cementing
- Deviated and horizontal wells cementing
- Remedial techniques
Cementing project
- Design of a whole well cementing job
Evaluation of the cementing job
- Principles and interpretation of the cement logs
- Thermometry
- Sonic (CBL - VDL)
- Ultrasonic (USIT)
- Logs analysis on a real case
