发明名称 EXPANDABLE BULLNOSE ASSEMBLY FOR USE WITH A WELLBORE DEFLECTOR
摘要 Disclosed are methods of deflecting expandable bullnose assemblies. One method includes introducing a bullnose assembly into a main bore of a wellbore, the bullnose assembly including a body and a bullnose tip arranged at a distal end of the body and being configured to move between a default configuration, where the bullnose tip exhibits a first diameter, and an actuated configuration, where the bullnose tip exhibits a second diameter different than the first diameter, advancing the bullnose assembly to a deflector arranged within the main bore and defining a first channel that exhibits a predetermined diameter and communicates with a lower portion of the main bore, and a second channel that communicates with a lateral bore, and directing the bullnose assembly into either the lower portion of the main bore or the lateral bore based on a diameter of the bullnose tip as compared to the predetermined diameter.
申请公布号 WO2015012848(A1) 申请公布日期 2015.01.29
申请号 WO2013US52105 申请日期 2013.07.25
申请人 HALLIBURTON ENERGY SERVICES, INC. 发明人 STOKES, MATTHEW BRADLEY
分类号 E21B7/04;E21B19/24;E21B29/08 主分类号 E21B7/04
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