The Well Integrity Blog by Wellcem Desert

How to deal with Micro-Annuli in Casing Cement

Posted by Colin Beharie on 10.07.2018

A constant problem in oilfield well cementing are micro annuli, often resulting in reduced production and expensive remedial costs. In this article, I will look closer at the most common reasons...

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Why cement flexibility is critical to well integrity

Posted by Johan Bracamonte/Miguel Diaz on 30.11.2017

Cement is critical to well integrity. It provides hydraulic isolation, preventing fluid flow between producing zones, groundwater aquifers, and the surface. But the cement sheath is not always...

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What is Micro-Annuli in Casing Cement? How to deal with them?

Posted by Colin Beharie on 03.11.2017

Micro annuli in cement are a constant problem in oilfield well cementing. In this article, I will look closer at the most common reasons and discuss how to deal with them.

It is one numerous well...

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Zonal isolation - what are effective alternatives to cement?

Posted by Jonny Haugen on 20.10.2017

Cement has been central to well integrity since 1906. Now, the oil companies are searching for new and better ways for zonal isolations in oil and gas wells. What are the trends and alternatives...

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Dealing with Micro-Annuli in Casing Cement

Posted by Colin Beharie on 17.07.2017

Micro annuli in cement are a constant problem in oilfield well cementing. It is one numerous well integrity problem that often results in production reduction and expensive remedial costs. There...

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Density control when mixing cement slurry on the fly

Posted by Svein Normann on 10.07.2017

Anyone who has been a cementer and mixed cement for a large and important cement job on the fly knows and understands the stress and pressure you face during a job like that.

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Effective alternatives to cement in oil and gas wells

Posted by Jonny Haugen on 03.07.2017

Since the first use of cement in oil wells in 1906 the product has been central to well integrity. Now the oil companies are searching for new and better ways for zonal isolations. In this...

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