In 2016, I launched Better Cementing for All. Since then, it has been visited by many thousands – and probably by hundreds of oil well cementers. 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 […]
Where is your TOC now? Cementing Calculations Sheet in Excel
Before we get into the cementing calculations sheet available below, first some background. 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 […]
Sample Cement Job Evaluation
Pressure analysis of a 9 5/8” casing cementing operation. Information gathering for cement evaluation starts with the basic details of the job design, including casings information, wellbore details, formation and temperature pressures. Proper post-job analysis continues with kind of an investigation process where key information is gathered from job reports from different sources, including cement […]
Cement, Spacer, all there. But where’s the wiper plug?
I know that there is no need to remind you of the objectives of a cementing job but, to be in context, let’s mention some of the main ones such as: Providing zonal isolation Structural support for the wellbore Casing protection against corrosive fluids. Failing to meet these objectives could potentially have consequences, in terms […]
All you need to know about Bentonite in Cement Slurries
Let’s have a quick overview regarding 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 explain as simply as possible, for readers of all […]
New CemPRO+ Review
Following my CemPRO+ review post a little more than 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 ongoing busy operation. Furthermore, I even found myself in the middle of […]
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