公开(公告)号：US20120111557A1

公开(公告)日：2012-05-10

申请号：US13375874

申请日：2010-06-02

申请人： Kjell Mikalsen ,  Ketil Botn-Mark

发明人： Kjell Mikalsen ,  Ketil Botn-Mark

IPC分类号： E21B37/00

CPC分类号： E21B17/006 ,  E21B12/06 ,  E21B23/02 ,  E21B37/02

摘要： A landing sub for a wiper, the wiper being adapted for internal removal of drilling mud from a drill string during its pull-out from a borehole, wherein the landing sub is mountable in the drill string, the landing sub comprises a longitudinal bore for through-flow of drilling mud and a landing seat for receiving the lower end of the wiper during pumping of drilling mud through the drill string, and the landing seat is equipped with at least one duct or passage for through-flow of drilling mud past the lower end of the wiper during continued pumping of drilling mud in the drill string.

摘要翻译： 一种用于刮水器的着陆辅助件，所述刮水器适用于在其从钻孔中拉出期间从钻柱中内部移除钻井泥浆，其中所述着陆部分可安装在所述钻柱中，所述着陆部分包括用于通过的纵向孔 - 钻井泥浆的流动和用于在通过钻柱泵送钻井泥浆期间接收刮水器的下端的着陆座，并且着陆座具有至少一个管道或通道，用于穿过钻井泥浆的下流 在钻柱中持续泵送钻井泥浆期间刮水器的末端。

公开(公告)号：US09341030B2

公开(公告)日：2016-05-17

申请号：US13375874

申请日：2010-06-02

申请人： Kjell Mikalsen ,  Ketil Botn-Mark

发明人： Kjell Mikalsen ,  Ketil Botn-Mark

IPC分类号： E21B17/00 ,  E21B23/02 ,  E21B12/06 ,  E21B37/02

CPC分类号： E21B17/006 ,  E21B12/06 ,  E21B23/02 ,  E21B37/02

摘要： Disclosed is a landing sub for a wiper. The wiper is adapted for internal removal of drilling mud from a drill string during its pull-out from a borehole. The landing sub is mountable in the drill string, the landing sub includes a longitudinal bore for through-flow of drilling mud and a landing seat for receiving the lower end of the wiper during pumping of drilling mud through the drill string, and the landing seat is equipped with at least one duct or passage for through-flow of drilling mud past the lower end of the wiper during continued pumping of drilling mud in the drill string.

摘要翻译： 公开了一种刮水器的着陆子系统。 刮水器适于在从钻孔中拉出时从钻柱中内部移除钻井泥浆。 着陆部分可安装在钻柱中，着陆部分包括用于钻井泥浆的流通的纵向孔和用于在通过钻柱泵送钻井泥浆期间接收刮水器的下端的着陆座，而着陆座 配备有至少一个管道或通道，用于在钻柱中持续泵送钻井泥浆期间穿过钻井泥浆的过流通过刮水器的下端。

公开(公告)号：US20120118560A1

公开(公告)日：2012-05-17

申请号：US13375756

申请日：2010-06-06

申请人： Kjell Mikalsen ,  Ketil Botn-Mark

发明人： Kjell Mikalsen ,  Ketil Botn-Mark

IPC分类号： E21B31/08

CPC分类号： E21B31/18

摘要： A fishing tool for cable-based retrieval of equipment from a borehole comprises a seat cone, an inner spring that tensions the seat cone, a locking cone that is arranged external to the locking cone and which is tensioned by an outer spring, and at least one latch that is pivotal to a position for gripping the equipment by movement of the seat cone and the locking cone with the aid of the respective springs.

摘要翻译： 一种用于从井眼进行基于缆索的设备取出的钓具，包括座锥体，使所述座锥紧张的内弹簧，设置在所述锁定锥体的外部并由外弹簧张紧的锁定锥体，至少 一个闩锁，其通过座椅锥体和锁定锥体在相应的弹簧的帮助下的运动而枢转到用于夹持设备的位置。