In 2016, I launched Better Cementing for All. Now, I want to keep it alive. For more than 24 years, I have worked in oil well cementing, offering my services to some of the largest oil corporations in the world and committing myself to excellence. I have mastered my role, and in doing so, I […]
Have you ever been suddenly covered in some fluid on location? Share your photos
Working in heavy rain with the boots filled with water, mud-sprayed on the rig floor and yes, covered in cement slurry from head to toe … All happened to me. What about you? these events are common but rarely documented in pictures. Few hours before … Share your picture for posterity !! Hopping for a […]
Where is your TOC now? (Free Excel Calculator available)
For some time already, I have been receiving requests from friends and readers, mostly drilling engineers and well-site people, to provide a quick and fact-based tool to estimate the top of cement (and all cementing fluids) after a job. A tool that can also help during the design phase to identify where the cement (lead, […]
Workover Cementing Techniques. (2) Squeeze Cementing
Squeeze cementing is basically a filtration process that occurs during the placement of the cement slurry into a wellbore entry point (casing leak, existing perforations, etc.) under sufficient differential pressure. The cement slurry is held in place until it cures and establishes a hydraulic seal. Look at this picture in Squeeze Cementing Principles explaining the […]
Cement, Spacer, all there. But, the wiper plug where?
I know there is no need to remind the objectives of cementing job but, to be in context, let’s mention some of the main ones like; providing zonal isolation, structural support for the wellbore, and casing protection against corrosive fluids. Failing to meet these objectives could potentially have consequences, in terms of wellbore integrity, during […]
All you need to know about Bentonite in Cement Slurries
Let’s just have a quick overview regarding the bentonite. It is easy to find references online regarding bentonite as a cement extender, the way it works or I should say reacts and why additional water is required when using it as an extender. Here I will try to be simply explain. First of all, Use […]
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