The Well Integrity Blog by Wellcem Desert

Plug and abandonment: Coiled tubing

Posted by Johan Bracamonte/Miguel Diaz on 25.01.2018

Here we are, at last, with the final piece of our series on Plug and abandonment of oil and gas wells. We went through legislation and design, guidelines and best practices, materials and the PWC®...

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An effective alternative to conventional plug and abandonment 

Posted by Miguel Diaz/Dave Ringrose on 11.01.2018

This article is a direct result of inspiring presentations on a novel technology from the 2nd Annual Well Intervention Workshop for the Middle East in Abu Dhabi. What I picked up there, made me...

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Depleted Reservoirs: Plugging problems and solutions

Posted by Colin Beharie on 28.12.2017

Plugging depleted reservoirs can be a challenge. Many operators spend lots of money and effort to solve the associated P&As.

Therefore, it is essential to identify the potential difficulties that...

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Plug and abandonment of oil and gas wells: Different materials

Posted by Miguel Diaz on 21.12.2017

Cement IS NOT the only material for well abandonment. In this article, we will address the doubts around the material that could be placed in the hole as a barrier for plug and abandonment, and...

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Materials for plug and abandonment of oil and gas wells

Posted by Miguel Diaz on 25.10.2017

In my previous article, I promised to address the doubts of the readers around the material that could be placed in the hole as a barrier for plug and abandonment, and whether those materials...

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Requirements for plug and abandonment of oil and gas wells - Legislation and Job design

Posted by Miguel Diaz on 11.10.2017

Following the article from Colin Beharie (“P&A: Are you absolutely sure it's plugged?"), we got a significant amount of questions on well’s plugging/abandonment. In this article, I will try to...

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P&A: Are you absolutely sure it's plugged?

Posted by Colin Beharie on 27.09.2017

In the world of oilfield cementing, verification that the plug is in place and withstands the pressure is an important part of plugging operations. The consequences can be substantial under...

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