By Ian Low, Product Line Manager - Wellbore CleaningAt Odfjell Technology, we understand the critical role of maintaining the highest standards for offshore equipment in ensuring the safety, efficiency and longevity of offshore operations. This is…
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When drilling top holes in extreme formations with rock hard boulders, the borehole can sometimes change direction, because the drill bit always…
At school, we learned the three Rs: reading, writing and arithmetic. There are also three Rs of wellbore clean-up, namely Rotation, Reciprocation and…
When being blessed with two derricks on your rig, you should take the full advantage of the extra opportunities this introduces. Running casing in…
Are you well (pun intended) prepared? The key fundamental aspect of a wellbore clean up is a proper pre-job planning. During a careful run-through…
As the old adage goes, a chain is only as strong as its weakest link and drill strings are no exception. Each component of the string, from the drill…
Considering the solid position of slips in our industry, it is strange that we still confuse or miscommunicate the terms, types and purposes of the…
Drillers have been using slip and elevator recesses on most spiral drill collars for years. However, after short time in use, the need of lift-subs…
Although casing activity represent less than 10 % of well cycle time, the injury rate is more than 10%, and more than 50 % of lethal accidents on a…
When your drillpipe is stuck in a black hole in the middle of the Pacific, in the hot desert somewhere or in the North Sea, it is easy to appreciate a…
The rotation system on a rig means that a drilling crew may go months or even longer without even being present when the casing are being made up and…
A key factor in any wellbore cleanup/displacement operation is good annular velocity (AV). Why is this so? To remove the mud residue from the…
As oil companies started to drill deeper, faster and in more demanding environments, the need for enhanced torsional strength arose. Engineers started…