公开(公告)号：US11137077B2

公开(公告)日：2021-10-05

申请号：US16002857

申请日：2018-06-07

Applicant: David A. Buck

Inventor： David A. Buck

IPC: F16K5/06 ,  F16K27/06 ,  E21B34/14 ,  F16K5/20

Abstract: A method of actuating a valve which includes (i) a valve housing with two opposing stem apertures including a first diameter neck wall and a second, larger diameter shoulder wall; (ii) a valve stem positioned within each of the stem apertures, the valve stems including a neck section and a shoulder section engaging the neck wall and the shoulder wall, respectively; (iii) wherein the valve stems have (1) an overall length L which does not extend substantially beyond the stem aperture, and (2) a shoulder engagement length L2 which is at least 20% of L; (iv) wherein a diameter of the neck section is between about 1.5/1000 if an inch and about 7/1000 of an inch less than a diameter of the first diameter neck wall and a diameter of the shoulder section is between about 1.5/1000 of an inch and about 7/1000 of an inch less than a diameter of the second diameter shoulder wall; and (v) wherein a surface portion of the valve stems are formed of a bearing material with hardness of less than the walls of the stem apertures. The method includes the steps of first engaging the valve stems of the valve with an actuator in a manner that a portion of a weight of the actuator is imparted to the valve stems; and then applying torque to the valve stems using the actuator.

公开(公告)号：US09551425B2

公开(公告)日：2017-01-24

申请号：US14252942

申请日：2014-04-15

Applicant: David A. Buck

Inventor： David A. Buck

IPC: F16K5/06 ,  E21B34/14 ,  F16K5/20 ,  F16K27/06 ,  E21B34/00

CPC classification number: F16K5/0626 ,  E21B34/14 ,  E21B2034/002 ,  F16K5/0689 ,  F16K5/201 ,  F16K27/067

Abstract: In the specification and drawings, a valve is described and shown having a first and second valve seat carrier, a valve seat associated with each valve seat carrier, and a valve ball between the valve seats. The valve further includes a stop mechanism operatively connected to at least a first valve seat, the stop mechanism limiting travel of the first valve seat towards the valve ball such that the valve ball may be push away from a sealing engagement with the first valve seat.

Abstract translation: 在说明书和附图中，描述和示出了具有第一和第二阀座托架的阀，与每个阀座托架相关联的阀座以及阀座之间的阀球。 阀还包括可操作地连接到至少第一阀座的止动机构，止动机构限制第一阀座朝向阀球的行进，使得阀球可以远离与第一阀座的密封接合。

公开(公告)号：US08998173B2

公开(公告)日：2015-04-07

申请号：US13863918

申请日：2013-04-16

Applicant: David A. Buck

Inventor： David A. Buck

IPC: F16K27/06 ,  E21B34/14 ,  E21B34/00 ,  F16K5/06

CPC classification number: F16K5/0626 ,  E21B34/14 ,  E21B2034/002 ,  F16K27/067 ,  Y10T137/0508

Abstract: In the specification and drawings a valve is described and shown with a lower valve seat; an upper valve seat; a bracket, the bracket having a first tongue engaged with the upper valve seat; a valve ball located between the lower valve seat and the upper valve seat, the lower valve seat, the valve ball, and the upper valve seat being located within the bracket; and a ring located about the upper valve seat, the ring having a first recessed portion and a first extended portion, the ring having a first ring position in which the first tongue is unobstructed by the first recessed portion and a second ring position in which the first tongue is obstructed by the first extended portion, the ring being rotatable between the first ring position and the second ring position.

Abstract translation: 在说明书和附图中，描述并示出了具有下阀座的阀; 上阀座; 支架，所述支架具有与所述上阀座接合的第一舌片; 位于下阀座和上阀座之间的阀球，下阀座，阀球和上阀座位于支架内; 以及围绕所述上阀座的环，所述环具有第一凹部和第一延伸部，所述环具有第一环位置，所述第一舌部不被所述第一凹部阻挡，在所述第二环位置中， 第一舌部被第一延伸部分阻挡，环可在第一环位置和第二环位置之间旋转。

公开(公告)号：US20140306138A1

公开(公告)日：2014-10-16

申请号：US13863918

申请日：2013-04-16

Applicant: David A. Buck

Inventor： David A. Buck

IPC: F16K5/06 ,  E21B34/06

CPC classification number: F16K5/0626 ,  E21B34/14 ,  E21B2034/002 ,  F16K27/067 ,  Y10T137/0508

Abstract: In the specification and drawings a valve is described and shown with a lower valve seat; an upper valve seat; a bracket, the bracket having a first tongue engaged with the upper valve seat; a valve ball located between the lower valve seat and the upper valve seat, the lower valve seat, the valve ball, and the upper valve seat being located within the bracket; and a ring located about the upper valve seat, the ring having a first recessed portion and a first extended portion, the ring having a first ring position in which the first tongue is unobstructed by the first recessed portion and a second ring position in which the first tongue is obstructed by the first extended portion, the ring being rotatable between the first ring position and the second ring position.

Abstract translation: 在说明书和附图中，描述并示出了具有下阀座的阀; 上阀座; 支架，所述支架具有与所述上阀座接合的第一舌片; 位于下阀座和上阀座之间的阀球，下阀座，阀球和上阀座位于支架内; 以及围绕所述上阀座的环，所述环具有第一凹部和第一延伸部，所述环具有第一环位置，所述第一舌部不被所述第一凹部阻挡，所述第二环位置中， 第一舌部被第一延伸部分阻挡，环可在第一环位置和第二环位置之间旋转。

公开(公告)号：US08215196B2

公开(公告)日：2012-07-10

申请号：US12109698

申请日：2008-04-25

Applicant: David A. Buck ,  Mark Gravouia

Inventor： David A. Buck ,  Mark Gravouia

IPC: F16H59/04

CPC classification number: E21B19/164 ,  F16H3/30 ,  F16H55/0873 ,  Y10T74/19251

Abstract: A power tong having a ring gear, a gear train, a motor and a gear shift mechanism. The gear shift mechanism further includes a linear actuator and a shift arm connect to the linear actuator. A drive gear is positioned on a drive shaft extending from the motor and this drive gear includes an upper and lower set of drive teeth having beveled top portions. The shift arm engages the drive gear between the upper and lower set of drive teeth and movement of the linear actuator causes the drive gear to engage one of at least two gears in the gear train.

Abstract translation: 具有齿圈，齿轮系，电动机和变速机构的动力钳。 变速机构还包括线性致动器和连接到线性致动器的换档臂。 驱动齿轮定位在从马达延伸的驱动轴上，该驱动齿轮包括具有倾斜顶部的上下驱动齿组。 换档臂与驱动齿轮啮合在上下驱动齿组件之间，并且线性致动器的运动使得驱动齿轮接合在齿轮系中的至少两个齿轮中的一个。

公开(公告)号：US06386284B1

公开(公告)日：2002-05-14

申请号：US09503129

申请日：2000-02-11

Applicant: David A. Buck ,  Daniel S. Bangert

Inventor： David A. Buck ,  Daniel S. Bangert

IPC: E12B1918

CPC classification number: E21B19/16 ,  E21B19/00

Abstract: A snubbing unit drilling system which includes a power tong and a hydraulically activated back-up tong. A mounting structure having a rotating slip assembly positioned thereon such that the rotating slip assembly rotates relative to the mounting structure. A plurality of support legs are attached between the power tong, the back-up tong, and the mounting structure such that the support legs prevent relative rotation between the power tong and the mounting structure.

Abstract translation: 一种缓冲单元钻井系统，其包括动力钳和液压活动的后备钳。 一种安装结构，其具有位于其上的旋转滑动组件，使得旋转滑动组件相对于安装结构旋转。 多个支撑腿安装在动力钳，支撑钳和安装结构之间，使得支撑腿防止动力钳和安装结构之间的相对旋转。

公开(公告)号：US06318214B1

公开(公告)日：2001-11-20

申请号：US09603754

申请日：2000-06-26

Applicant: David A. Buck

Inventor： David A. Buck

IPC: B25B1350

CPC classification number: E21B19/164 ,  E21B19/165

Abstract: A power tong positioning apparatus positionable on the surface of drilling rig deck and attachable to at least one power tong. The power tong support is adapted to position at least one power tong so that it may engage a tubular member. The power tong positioning apparatus includes a frame, a base movably positioned on the frame, and a power tong support attached to the base and movably attachable to at least one power tong.

Abstract translation: 一种动力钳定位装置，其可定位在钻机甲板的表面上并可附接至至少一个动力钳。 动力钳支撑件适于定位至少一个动力钳，使得其可以接合管状构件。 动力钳定位装置包括框架，可移动地定位在框架上的基座以及附接到基座并可移动地附接到至少一个动力钳的动力钳支撑件。

公开(公告)号：US6142041A

公开(公告)日：2000-11-07

申请号：US203059

申请日：1998-12-01

Applicant: David A. Buck

Inventor： David A. Buck

IPC: E21B19/16 ,  B25B13/50

CPC classification number: E21B19/165

Abstract: A power tong positioning apparatus as disclosed herein is a power tong support positionable on the surface of drilling rig deck and attachable to at least one power tong. The power tong support is adapted to position at least one power tong so that it may engage said tubular member. The power tong positioning apparatus a frame, a base movably positioned on the frame, at least one arm pivotally attached to the base, a power tong support pivotally attached to the arm(s) and movably attachable to at least one power tong.

Abstract translation: 如本文所公开的动力钳定位装置是动力钳支撑件，其可定位在钻机台面的表面上并且可附接至至少一个动力钳。 动力钳支撑件适于定位至少一个动力钳，使得其可以接合所述管状构件。 所述动力钳定位装置是框架，可移动地定位在所述框架上的基座，枢转地附接到所述基座的至少一个臂，枢转地附接到所述臂并且可移动地附接到至少一个动力钳的动力钳支撑件。

公开(公告)号：US5890403A

公开(公告)日：1999-04-06

申请号：US757017

申请日：1996-11-26

Applicant: David A. Buck

Inventor： David A. Buck

IPC: E21B19/16 ,  B25B17/00

CPC classification number: E21B19/164

Abstract: The present invention relates to power tongs used in the oil and gas industry to make up and break apart the joints on drill pipe and other tubular members. The invention provides a selectively releasable braking apparatus for a power tong. The selectively releasable braking apparatus comprises a braking ring operatively connected to a cage plate of the power tong and a braking surface mechanically connected to the cage plate. The apparatus further has a gripping device capable of selectively gripping and holding the braking surface and has a gear train transferring torque from said brake ring to said braking surface. Power tongs also typically have a throat, a ring gear with an opening, and a cage plate with an opening. The present invention further provides an apparatus for aligning the openings in the ring gear and the cage plate with the throat of the power tong and remotely reversing the direction of rotation of the ring gear and cage plate. The apparatus comprises a stop device preventing relative rotation of the ring gear and the cage plate until a preselected torque load is placed on said stop device. The apparatus also has a selectively releasable cage plate brake and a cage plate latch selectively preventing rotation of the cage plate.

公开(公告)号：US5702139A

公开(公告)日：1997-12-30

申请号：US728773

申请日：1996-10-11

Applicant: David A. Buck

Inventor： David A. Buck

IPC: B25B5/14 ,  E21B19/16 ,  B23P19/04 ,  B25J15/00

CPC classification number: B25B5/147 ,  E21B19/163

Abstract: The present invention provides back-up power tongs for holding a tubular member against rotation of a connected tubular member. The back-up power tongs comprise a body with a front section for receiving the tubular member and a plurality of jaw members for engaging the tubular member. The jaw members are positioned to form a substantially closed perimeter around the tubular member and at least one of the jaw members is a pivotal jaw, moving in a pivotal path to engage the tubular member. An alternate embodiment provides two pivoting jaws and a locking mechanism attached to the end of the pivoting jaws such that the pivoting jaws can be securely interlocked. The improved back-up tongs should not require that the tong body to virtually enclose the pipe and thus will allow the improved back-up tongs to be considerably smaller. The smaller size of the tongs will allow more versatile use since the tongs can operate in areas with less clearance than prior art tongs. The improved back-up tongs should also be less costly as they will require a considerably smaller amount of material to construct. Additionally, the improved back-up power tongs will be adaptable to many uses other than breaking pipe in conjunction with conventional power tongs. The present invention also may have application as a gripping device positioned on cranes or other lifting apparatus.

Abstract translation: 本发明提供了用于保持管状构件以防止连接的管状构件旋转的备用动力钳。 备用动力钳包括具有用于接收管状构件的前部的主体和用于接合管状构件的多个钳口构件。 钳口构件被定位成围绕管状构件形成基本上封闭的周边，并且至少一个钳口构件是枢转钳口，其在枢转路径中移动以接合管状构件。 一个替代实施例提供了两个枢转夹爪和一个连接到枢转爪的端部的锁定机构，使得枢转爪可以牢固地互锁。 改进的后备钳不应要求钳体实际上封闭管道，从而允许改进的备用钳相当小。 钳子的较小尺寸将允许更多功能的使用，因为钳子可以在比现有技术钳子更小的间隙的区域中操作。 改进的后备钳也应该较低成本，因为它们将需要相当少量的材料来构造。 此外，改进的备用动力钳将适用于与常规动力钳一起断裂管以外的许多用途。 本发明还可以用作定位在起重机或其他提升装置上的夹紧装置。