In Part 1, I mentioned why cement plugs had taken a leading role in this website. It is so relevant to do sound engineering to avoid non-productive time and reduce the risk of even more disastrous consequences, like a placement pipe stuck in hard cement. In this subsequent post, I would like to introduce a […]
A Cement Plug… just get it right the first time! – Part 1
In the past, I have written extensively about plug cementing, perhaps more than any other topic on this website, and the reason is simple: cement plugs are challenging. In my case, my eyes started to open back in Mexico while attempting deep sidetrack cement plugs. An SPE resulted from that trauma in Mexico after we […]
Support Better Cementing for All – Empowering Oil Well Cementers
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 […]
Workover Cementing Techniques. (3) Plug Cementing
Continuing with these series of posts covering some of the cementing techniques applicable in workover operations, I want to talk further about plug cementing. In previous posts, I have covered extensively plug cementing. This time I am providing information regarding laboratory testing and some considerations when cement plugs intended for well abandonment. Cement Slurry Properties […]
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 […]
Balanced-plug method. Basic calculations
Free Balanced Plug Calculator at the end of this post. Check it out ! The most common placement method is the balanced plug technique. The work-string is run into the wellbore to the desired depth for the plug base. Contamination or mixing with the control fluid is avoided by the use of appropriate volumes of […]
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