ARTICULATED DRILLSTRING ENTRY APPARATUS AND METHOD
摘要
<p>Apparatuses and methods to allow tools disposed upon a conduit to enter the bore of a drillstring are presented. The apparatuses and methods include the use of one or more articulated knuckle joints (30, 32) at ends of an entry sub (12). The articulated knuckle joints are capable of articulating the entry sub among various conduit entry and load carrying positions.</p>
