Drill String

Drilling reamer types serve different bottomhole-assembly (BHA) purposes: maintaining hole gauge, conditioning irregular sections or enlarging a pilot hole. The main equipment families include roller reamers, fixed-diameter hole openers and expandable underreamers. A near-bit reamer describes where the tool is positioned; RFID describes one method of commanding a downhole reamer. These terms are not five …

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Drilling string stabilizer types & design is the main subject of this article. First, we will introduce to you the definition of a stabilizer. Then, we will move to the stabilizer application. Finally, we will talk about its types. This article is a part of the series explaining Bottom Hole Assembly Components, Types & Mechanism. …

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