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 […]
New CemPRO+ Review
Following my CemPRO+ review post a little more than a two years ago, I have broadened my knowledge of this cementing application, not only providing engineering and post-job analysis to my customers but also and during some time, actively designing cement jobs in an on-going busy operation. Furthermore, I even found myself in the middle […]
Come on! move it! push it! … Too late, it’s gelled up! …
Now, please let me tell you more about Cement gelation Why this post? Over a month ago, someone requested some insights about Primary and Secondary cement gelation. Two or three answers were provided, which I think were enough to have a good idea on the topic. However, to be honest, I could not stop thinking […]
Highly deviated or Horizontal well section abandonment?
I have to be honest, it is only recently that I had the opportunity to place frequent cement plugs in such conditions and purpose. Yes, I did those only occasionally before … However, “Frequency” is important, and beside what everybody knows (so-called best practices) Frequency is how the significance of all the variables can be […]
Successful Well Cementing
The case of unawareness Vs. understanding What are the consequences of knowing the outcome of your cement job? Most people would say, that knowing the outcome allows the connection of execution and design with job model and assumptions — the path of perfection. Just to clarify, knowing the cement bond is just part of the […]
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