公开(公告)号：US20140238699A1

公开(公告)日：2014-08-28

申请号：US13774601

申请日：2013-02-22

Applicant: Vetco Gray Inc.

Inventor： Nicholas Peter Gette ,  Daniel Ralph Barnhart ,  David Lawrence Ford

IPC: E21B33/03

CPC classification number: E21B33/03 ,  E21B33/04 ,  E21B2033/005

Abstract: An annular seal for use in a wellhead assembly has inner and outer legs that each extend in a direction that is generally parallel with an axis of the seal to define an annular space therebetween. Wickers are provided on an outer surface of the seal, so that when the seal is energized and the legs are urged radially apart from one another, the wickers engage with a mating surface of a downhole tubular. Embedding the wickers into the tubular creates a flow barrier across the interface between the seal and the tubular. The wickers deform the surface of the tubular, which creates a lock down force that opposes relative axial movement of the tubular.

Abstract translation: 用于井口组件的环形密封件具有内部和外部支腿，每个支撑件在大致平行于密封件的轴线的方向上延伸以限定其间的环形空间。 在密封件的外表面上设置有检验器，使得当密封件通电并且腿被彼此径向分开时，检验器与井下管道的配合表面接合。 将管道嵌入管状物中，在密封件和管状物之间的界面上形成流动屏障。 木杆使管的表面变形，产生与管的相对轴向运动相反的锁定力。

公开(公告)号：US10900316B2

公开(公告)日：2021-01-26

申请号：US15264816

申请日：2016-09-14

Applicant: Vetco Gray Inc.

Inventor： David Lawrence Ford ,  Joseph William Pallini ,  Thomas Allen Fraser ,  Daniel Ralph Barnhart ,  Daniel Caleb Benson

IPC: E21B33/04 ,  E21B33/03 ,  F16J15/08

Abstract: An annular seal for sealing an interface between a wellhead housing and a casing hanger. The annular seal includes a central body portion and a first pair of seal legs extending in a first direction from the central body portion. Each of the first pair of seal legs sealingly engages one of the wellhead housing or the casing hanger, and are further energized by bore pressure. The annular seal also includes a second pair of seal legs extending in a second direction from the central body portion. Each of the second pair of seal legs sealingly engages one of the wellhead housing or the casing hanger, and is further energized by annulus pressure.

公开(公告)号：US20160040498A1

公开(公告)日：2016-02-11

申请号：US14451903

申请日：2014-08-05

Applicant: Vetco Gray Inc.

Inventor： David Lawrence Ford ,  Daniel Ralph Barnhart ,  Daniel Caleb Benson

IPC: E21B33/04

CPC classification number: E21B33/04 ,  E21B33/03 ,  E21B2033/005

Abstract: A wellhead assembly includes as outer tubular wellhead member and an inner tubular wellhead member with a seal pocket between them. A seal ring is located in the seal pocket An annular energizing ring urges the seal ring into sealing engagement with the outer tubular wellhead member and the inner tubular wellhead member. A recess is located on an outer diameter of the annular energizing ring or a radially inner diameter of the seal ring, and a ratcheted retainer is on the other. A ratchet clip with a clip profile is located within the recess. The recess and the ratchet slip extend leas than a full circumferential distance around the outer diameter of the annular energizing ring or the radially inner diameter of the seal ring. A retainer profile on the ratcheted retainer selectively engages with the clip profile of the ratchet clip.

Abstract translation: 井口组件包括作为外部管状井口构件和在其间具有密封袋的内部管状井口构件。 密封环位于密封槽中环形激励环推动密封环与外管状井口构件和内管状井口构件密封接合。 凹部位于环形增压环的外径或密封环的径向内径上，棘轮式固定器位于另一方。 具有夹子轮廓的棘轮夹具位于凹部内。 凹部和棘轮滑动比围绕环形激励环的外径或密封环的径向内径的全周向距离延伸。 棘轮保持器上的保持器轮廓选择性地与棘轮夹的夹子轮廓接合。

公开(公告)号：US20180073319A1

公开(公告)日：2018-03-15

申请号：US15264816

申请日：2016-09-14

Applicant: Vetco Gray Inc.

Inventor： David Lawrence Ford ,  Joseph William Pallini ,  Thomas Allen Fraser ,  Daniel Ralph Barnhart ,  Daniel Caleb Benson

IPC: E21B33/04 ,  E21B33/03 ,  F16J15/08

CPC classification number: E21B33/0422 ,  E21B33/03 ,  E21B33/04 ,  F16J15/08

Abstract: An annular seal for sealing an interface between a wellhead housing and a casing hanger. The annular seal includes a central body portion and a first pair of seal legs extending in a first direction from the central body portion. Each of the first pair of seal legs sealingly engages one of the wellhead housing or the casing hanger, and are further energized by bore pressure. The annular seal also includes a second pair of seal legs extending in a second direction from the central body portion. Each of the second pair of seal legs sealingly engages one of the wellhead housing or the casing hanger, and is further energized by annulus pressure.

公开(公告)号：US09797215B2

公开(公告)日：2017-10-24

申请号：US14451903

申请日：2014-08-05

Applicant: Vetco Gray Inc.

Inventor： David Lawrence Ford ,  Daniel Ralph Barnhart ,  Daniel Caleb Benson

IPC: E21B33/04 ,  E21B33/03 ,  E21B33/00

CPC classification number: E21B33/04 ,  E21B33/03 ,  E21B2033/005

Abstract: A wellhead assembly includes an outer tubular wellhead member and an inner tubular wellhead member with a seal pocket between them. A seal ring is located in the seal pocket. An annular energizing ring urges the seal ring into sealing engagement with the outer tubular wellhead member and the inner tubular wellhead member. A recess is located on an outer diameter of the annular energizing ring or a radially inner diameter of the seal ring, and a ratcheted retainer is on the other. A ratchet clip with a clip profile is located within the recess. The recess and the ratchet clip extend less than a full circumferential distance around the outer diameter of the annular energizing ring or the radially inner diameter of the seal ring. A retainer profile on the ratcheted retainer selectively engages with the clip profile of the ratchet clip.