公开(公告)号：US20050178551A1

公开(公告)日：2005-08-18

申请号：US11100252

申请日：2005-04-06

申请人： Randy Tolman ,  Lawrence Carlson ,  David Kinison ,  Kris Nygaard ,  Glenn Goss ,  William Sorem ,  Lee Shafer

发明人： Randy Tolman ,  Lawrence Carlson ,  David Kinison ,  Kris Nygaard ,  Glenn Goss ,  William Sorem ,  Lee Shafer

IPC分类号： E21B17/20 ,  E21B33/12 ,  E21B43/117 ,  E21B43/26 ,  E21B43/11

CPC分类号： E21B17/203 ,  E21B33/12 ,  E21B43/117 ,  E21B43/26 ,  E21B47/04

摘要： The invention discloses methods of, as well as apparatus and systems for, perforating and treating multiple intervals of one or more subterranean formations intersected by a wellbore by deploying within said wellbore a bottom-hole assembly (“BHA”) having a perforating device and a sealing mechanism, wherein pressure communication is established between the portions of the wellbore above and below the sealing mechanism. The BHA is positioned within the wellbore such that the sealing mechanism, when actuated, establishes a hydraulic seal in the wellbore to positively force fluid to enter the perforations corresponding to the interval to be treated. A treating fluid is pumped down the wellbore and into the perforations created in the perforated interval. The sealing mechanism is released, and the steps are repeated for as many intervals as desired, without having to remove the BHA from said wellbore.

摘要翻译： 本发明公开了一种用于穿孔和处理由井眼相交的多个地层的多个间隔的方法以及设备和系统，所述多个间隔通过在所述井筒内展开而形成具有穿孔装置的底孔组件（“BHA”）， 密封机构，其中在密封机构的上方和下方的井眼的部分之间建立压力连通。 BHA定位在井眼内，使得密封机构在致动时在井筒中建立液压密封，以使流体进入对应于待处理间隔的穿孔。 将处理流体向下泵送到井筒中并进入穿孔间隔中产生的穿孔中。 释放密封机构，并且根据需要重复步骤重复多次，而不必从所述井眼中除去BHA。