A quick reminisce… Before we drill deeper into the topic, first an introduction. Over the years, I have had the opportunity to work with many drilling teams. I have to say, some of them still occupy a very special place in my heart. Not only because of the quality of the people I had the […]
Balance to succeed: Cement Plugs in losses situation
Loss circulation challenges This is a short article focusing on one topic: the balanced plug. During my time in Mexico, one of the main challenges That we faced was severe loss circulation. In new wells, due to the presence of fractured carbonates and low formation pressure (LPHT), several actions were usually in place. Examples include […]
Some guidelines for Cement Plugs
Here are the primary considerations that need to be top of mind when dealing with cement plugs. We think that all the most relevant ones are here, and can serve as a revision checklist. We’d welcome any additional suggestions to add to the page. Use a cementing stinger and cover both the cement and spacer […]
Suicide Squeeze Cementing: risky but valid
More technically, a ‘suicide squeeze’ is an application of a circulating squeeze, used in specific circumstances. In general, the cement squeeze is a fascinating topic, and an important skill to master for any experienced cementer. In a circulating squeeze, the cement slurry is ‘forced’ to flow through a lower open path and up behind the casing […]
Choosing the Right People for Cementing Engineering Services
It’s been a tough couple of years… After all the time I’ve spent in this challenging industry providing cementing engineering services, the last few years have been incredibly interesting. I know most people consider these previous couple of (2015 – 2016) years probably the worst for the oil industry ever, and if we go by […]
Squeeze Cementing Principles
Some time ago I put together a short paper about the principles of squeeze cementing. Below is an extract of this document. Successful squeeze cementing relies mostly on selecting the correct cement slurry to form an effective cement cake or node. We base the decision shall on the injectivity test performed before the squeeze operation. […]
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