发明名称 DEFLECTOR ASSEMBLY FOR A LATERAL WELLBORE
摘要 Disclosed is a multi-deflector assembly for guiding a bullnose assembly into a selected borehole within a wellbore. One deflector assembly includes an upper deflector arranged within a main bore of a wellbore and defining first and second channels that extend longitudinally through the upper deflector, wherein the second channel exhibits a width greater than that of the first channel, and a lower deflector arranged within the main bore and spaced from the upper deflector by a predetermined distance, the lower deflector defining a first conduit that communicates with a lower portion of the main bore and a second conduit that communicates with a lateral bore, wherein the upper and lower deflectors are configured to direct a bullnose assembly into one of the lateral bore and the lower portion of the main bore based on a length of a bullnose tip of the bullnose assembly as compared to the predetermined distance.
申请公布号 US2015285016(A1) 申请公布日期 2015.10.08
申请号 US201314358845 申请日期 2013.07.25
申请人 Halliburton Energy Services,Inc. 发明人 Lajesic Borisa
分类号 E21B23/12;E21B17/20 主分类号 E21B23/12
代理机构 代理人
主权项 1. A deflector assembly, comprising: an upper deflector arranged within a main bore of a wellbore and defining first and second channels that extend longitudinally through the upper deflector, wherein the second channel exhibits a width greater than a width of the first channel; and a lower deflector arranged within the main bore and spaced from the upper deflector by a predetermined distance, the lower deflector defining a first conduit that communicates with a lower portion of the main bore and a second conduit that communicates with a lateral bore, wherein the upper and lower deflectors are configured to direct a bullnose assembly into either the lateral bore or the lower portion of the main bore based on a length of a bullnose tip of the bullnose assembly as compared to the predetermined distance.
地址 Houston TX US