公开(公告)号：WO2014145611A3

公开(公告)日：2015-10-08

申请号：PCT/US2014030406

申请日：2014-03-17

Applicant: WEATHERFORD TECHNOLOGY HOLDINGS L L C

Inventor： GRAY KEVIN L ,  BAILEY THOMAS F ,  CHAMBERS JAMES W

IPC: E21B21/10 ,  E21B33/08

CPC classification number: E21B21/106 ,  E21B33/085

Abstract: The disclosure relates to purging a RCD including a bearing (124) of contaminants with a fluid circuit, the fluid circuit having at least one housing (120) adjacent to the RCD, a first plurality of valves (128) within the bearing (124), a second plurality of valves (118) within the housing (120), at least one inlet port (126a) located on the RCD, each inlet port being connected to the housing (120), at least one outlet port (126b) located on the RCD, each outlet port being connected to the housing (120b), and a purge outlet (110) in fluid communication with the fluid circuit.

Abstract translation: 本公开涉及用流体回路清洗包括污染物的轴承（124）的RCD，所述流体回路具有与RCD相邻的至少一个壳体（120），所述轴承（124）内的第一多个阀（128） ，所述壳体（120）内的第二多个阀（118），位于所述RCD上的至少一个入口端口（126a），每个入口端口连接到所述壳体（120），至少一个出口端口（126b） 在RCD上，每个出口端口连接到壳体（120b），以及与流体回路流体连通的净化出口（110）。

公开(公告)号：WO2014004516A3

公开(公告)日：2015-03-26

申请号：PCT/US2013047630

申请日：2013-06-25

Applicant: WEATHERFORD TECHNOLOGY HOLDINGS L L C

Inventor： BAILEY THOMAS F ,  CHAMBERS JAMES W

IPC: E21B33/08

CPC classification number: E21B33/085

Abstract: A pressure control apparatus and methodology related to a drilling operation has a housing such as, for example, a bearing assembly configured to engage an item of oilfield equipment being delivered through the oilfield pressure control apparatus. The housing has an upper and/or a lower portion with a seal element coupled to the upper and/or lower portion and configured to seal around the item of oilfield equipment. A guide is coupled proximate the seal element. The guide is configured to support and/or limit lateral deflection of the seal element during the lateral deflection of the seal element created by movement of the item of oilfield equipment.

Abstract translation: 与钻井作业相关的压力控制装置和方法具有壳体，例如，构造成接合通过油田压力控制装置输送的油田设备的物品的轴承组件。 壳体具有上部和/或下部，其中密封元件联接到上部和/或下部并且构造成围绕油田设备的物品密封。 引导件靠近密封元件联接。 引导件构造成在通过油田设备的运动产生的密封元件的侧向偏转期间支撑和/或限制密封元件的横向偏转。