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    Rigid riser adapter for offshore retrofitting of vessel with flexible riser balconies
    2.
    发明授权
    Rigid riser adapter for offshore retrofitting of vessel with flexible riser balconies 有权

    公开(公告)号：US11572745B2

    公开(公告)日：2023-02-07

    申请号：US17223503

    申请日：2021-04-06

    Applicant: OIL STATES INDUSTRIES, INC.

    Inventor： Michael Eugene Hogan

    IPC: E21B19/00

    Abstract: Rigid riser adapter operable to be at least partially installed into a lower riser balcony. The rigid riser adapter includes a receptacle support structure. Additionally, the rigid riser adapter also includes an adapter tube extending from the receptacle support structure substantially along a vertical direction, the adapter tube operable to be inserted through a lower riser balcony. The rigid riser adapter can also include a rigid riser receptacle coupled to the receptacle support structure, wherein the rigid riser receptacle is angled between six degrees and twenty degrees in relation to the vertical direction.

    FLEXIBLE PIPE JOINT HAVING AN ANNULAR FLEXIBLE BOOT THERMALLY OR CHEMICALLY INSULATING AN ANNULAR ELASTOMERIC FLEXIBLE ELEMENT
    4.
    发明申请
    FLEXIBLE PIPE JOINT HAVING AN ANNULAR FLEXIBLE BOOT THERMALLY OR CHEMICALLY INSULATING AN ANNULAR ELASTOMERIC FLEXIBLE ELEMENT 审中-公开

    公开(公告)号：US20190264850A1

    公开(公告)日：2019-08-29

    申请号：US16407776

    申请日：2019-05-09

    Applicant: OIL STATES INDUSTRIES, INC.

    Inventor： James G. Patrick ,  Eric Luke ,  Danton Gutierrez-Lemini

    IPC: F16L27/103 ,  E21B17/08 ,  F16L59/18

    Abstract: A flexible pipe joint has a body and an annular elastomeric flexible element flexibly coupling an extension pipe to the body and operable to pivot the extension pipe with respect to the body. The flexible pipe joint also has an annular flexible boot operable to thermally or chemically insulating the annular elastomeric flexible element from the fluid flowing through a lumen of the flexible pipe joint. The annular flexible boot encircles the lumen, and the annular flexible boot has a first annular end attached to the extension pipe and a second annular end mounted so that pivoting of the extension pipe with respect to the body causes a flexing of the annular flexible boot, and a majority of the annular flexible boot has a shape conforming to shape of neighboring components of the flexible pipe joint.

    Crane having effectively coincident gantry and boom forces upon an upperstructure
    5.
    发明授权
    Crane having effectively coincident gantry and boom forces upon an upperstructure 有权

    公开(公告)号：US10221051B2

    公开(公告)日：2019-03-05

    申请号：US15083173

    申请日：2016-03-28

    Applicant: Oil States Industries, Inc.

    Inventor： Christopher Paul Chiasson

    IPC: B66C23/02 ,  B66C23/82 ,  B66C23/16 ,  B66C23/84

    Abstract: A crane includes a base, an upperstructure rotationally mounted on the base, a boom pivotally mounted to the upperstructure at a front attachment location and having a distal end supporting a load line for raising a payload, and a gantry mounted on the upperstructure and supporting a boom line coupled to the distal end of the boom. The gantry includes at least one front leg mechanically coupled to the front attachment location and inclined in a direction away from the boom to apply, to the front attachment location, a horizontal force component towards the boom that is opposed by a horizontal force component applied by the boom towards the front leg. The upperstructure includes a circular turret, and the front attachment location is aligned over a circle of the turret.

    Crane Having Effectively Coincident Gantry and Boom Forces Upon an Upperstructure
    6.
    发明申请
    Crane Having Effectively Coincident Gantry and Boom Forces Upon an Upperstructure 审中-公开
    起重机在上部结构上有效地并入龙门架和起重机

    公开(公告)号：US20160289051A1

    公开(公告)日：2016-10-06

    申请号：US15083173

    申请日：2016-03-28

    Applicant: Oil States Industries, Inc.

    Inventor： Christopher Paul Chiasson

    IPC: B66C23/82 ,  B66C23/16

    CPC classification number: B66C23/821 ,  B66C23/16 ,  B66C23/84

    Abstract: A crane includes a base, an upperstructure rotationally mounted on the base, a boom pivotally mounted to the upperstructure at a front attachment location and having a distal end supporting a load line for raising a payload, and a gantry mounted on the upperstructure and supporting a boom line coupled to the distal end of the boom. The gantry includes at least one front leg mechanically coupled to the front attachment location and inclined in a direction away from the boom to apply, to the front attachment location, a horizontal force component towards the boom that is opposed by a horizontal force component applied by the boom towards the front leg. The upperstructure includes a circular turret, and the front attachment location is aligned over a circle of the turret.

    Abstract translation: 起重机包括基座，旋转地安装在基座上的上部结构，在前部安装位置处枢转地安装到上部结构的起重臂，并且具有支撑用于提升有效载荷的载重线的远端以及安装在上部结构上并支撑 悬臂线耦合到悬臂的远端。 龙门架包括至少一个机械联接到前部安装位置并且在远离动臂的方向上倾斜的前腿，以向前部附接位置施加朝向悬臂的水平力分量，该水平力分量由水平力分量相对， 朝着前腿的高潮。 上部结构包括圆形转台，前部安装位置对准转塔的圆周。

    LOAD COMPENSATOR HAVING TENSION SPRING ASSEMBLIES CONTAINED IN A TUBULAR HOUSING
    7.
    发明申请
    LOAD COMPENSATOR HAVING TENSION SPRING ASSEMBLIES CONTAINED IN A TUBULAR HOUSING 有权
    具有管状住房的张力弹簧组件的负载补偿器

    公开(公告)号：US20150259181A1

    公开(公告)日：2015-09-17

    申请号：US14656612

    申请日：2015-03-12

    Applicant: Oil States Industries, Inc.

    Inventor： Walter Billiot ,  Joseph Angeron ,  Danton Gutierrez-Lemini ,  Chris Chiasson ,  Eric Luke

    IPC: B66D1/52 ,  F16F13/00 ,  F16F3/00

    CPC classification number: F16F13/00 ,  B66C13/02 ,  B66C13/04 ,  F16F3/0876 ,  F16F2236/06

    Abstract: In view of the above, there has been described a load compensator including one or more tension spring assemblies that are contained within a tubular housing when tension from a load is applied to the tension spring assemblies. When the load compensator includes more than one tension spring assembly, the tension spring assemblies are mechanically connected to each other in series and stacked in-line with each other in the housing. In a preferred construction, each of the tension spring assemblies includes elastomeric tension elements mounted between two disks, and the tubular housing includes a tube having threaded ends and caps that screw onto the tube.

    Abstract translation: 鉴于上述，已经描述了一种负载补偿器，其包括一个或多个拉力弹簧组件，当来自负载的张力施加到拉伸弹簧组件时，该弹簧组件容纳在管状壳体内。 当负载补偿器包括多于一个的拉力弹簧组件时，拉力弹簧组件彼此机械相互连接并彼此并联在壳体中。 在优选的结构中，每个拉伸弹簧组件包括安装在两个盘之间的弹性体张力元件，并且管状壳体包括具有螺纹端部和螺栓连接到管上的盖的管。

    Variable reluctance measurement technology for drilling risers and riser towers
    10.
    发明授权
    Variable reluctance measurement technology for drilling risers and riser towers 有权

    公开(公告)号：US11187603B2

    公开(公告)日：2021-11-30

    申请号：US16435125

    申请日：2019-06-07

    Applicant: OIL STATES INDUSTRIES, INC.

    Inventor： John Ray Baileys ,  Michael Eugene Hogan ,  Joseph Michael O'Neil ,  Daniel Joseph Tye

    IPC: E21B17/01 ,  E21B17/08 ,  G01L5/102

    Abstract: The invention involves utilizing variable reluctance measurement technology (“VRMT”) sensors to monitor forces and stresses on drilling risers and riser towers. The tension monitoring system described herein includes an optimized configuration of variable reluctance measurement technology sensors, wherein the sensors have increased wire turns around each end of their C-cores or alternatively are mounted on mechanical amplifiers or both. An array of optimized variable reluctance measurement technology sensors can be configured at multiple points on a riser system. The VRMT sensors may be integrally attached to the risers or flexible joints for the risers, or may be installed on existing riser or flexible joint systems.

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