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    Method of placing sealant into an offshore well to abandon a production zone
    3.
    发明授权
    Method of placing sealant into an offshore well to abandon a production zone 有权

    公开(公告)号：US10174583B2

    公开(公告)日：2019-01-08

    申请号：US15613512

    申请日：2017-06-05

    申请人： CSI Technologies LLC

    发明人： Freddie Lynn Sabins ,  Larry Thomas Watters

    IPC分类号： E21B33/13 ,  C04B26/02 ,  C09K8/42 ,  C09K8/44 ,  E21B33/12 ,  E21B33/138

    摘要： A method of sealing a well includes selecting a preexisting fluid pathway between a production platform and a desired sealing location in the well to be sealed, determining, for the well to be sealed, a desired quantity of sealant having known flow qualities, to be delivered in fluid form to the well in the sealing region of the well, determining, based on the flow qualities of the sealant in fluid form and the flow qualities of the preexisting fluid pathway, the time needed to deliver the desired quantity of the sealant in fluid form to the sealing location in the well, determining, based on the time needed to deliver the desired quantity of the sealant in fluid form to the sealing location in the well, whether the sealant will maintain the fluid form, if necessary, change one or more qualities of the sealant so that the desired quantity of the sealant will reach the sealing location in the well while in the fluid form, and transport the quantity of sealant, in fluid form, through the preexisting fluid pathway between a production platform and the desired sealing location in the well to be sealed.

    METHOD OF PLACING SEALANT INTO AN OFFSHORE WELL TO ABANDON A PRODUCTION ZONE
    4.
    发明申请
    METHOD OF PLACING SEALANT INTO AN OFFSHORE WELL TO ABANDON A PRODUCTION ZONE 审中-公开

    公开(公告)号：US20170350212A1

    公开(公告)日：2017-12-07

    申请号：US15613512

    申请日：2017-06-05

    申请人： CSI Technologies LLc

    发明人： Freddie Lynn SABINS ,  Larry Thomas WATTERS

    IPC分类号： E21B33/13 ,  C09K8/44 ,  C09K8/42 ,  E21B33/12 ,  C04B26/02

    CPC分类号： E21B33/13 ,  C04B26/02 ,  C09K8/426 ,  C09K8/44 ,  E21B33/12 ,  E21B33/138

    摘要： A method of sealing a well includes selecting a preexisting fluid pathway between a production platform and a desired sealing location in the well to be sealed, determining, for the well to be sealed, a desired quantity of sealant having known flow qualities, to be delivered in fluid form to the well in the sealing region of the well, determining, based on the flow qualities of the sealant in fluid form and the flow qualities of the preexisting fluid pathway, the time needed to deliver the desired quantity of the sealant in fluid form to the sealing location in the well, determining, based on the time needed to deliver the desired quantity of the sealant in fluid form to the sealing location in the well, whether the sealant will maintain the fluid form, if necessary, change one or more qualities of the sealant so that the desired quantity of the sealant will reach the sealing location in the well while in the fluid form, and transport the quantity of sealant, in fluid form, through the preexisting fluid pathway between a production platform and the desired sealing location in the well to be sealed.

    RISERLESS ABANDONMENT OPERATION USING SEALANT AND CEMENT
    5.
    发明申请
    RISERLESS ABANDONMENT OPERATION USING SEALANT AND CEMENT 审中-公开
    使用密封剂和水泥的无风险脱水操作

    公开(公告)号：US20170044865A1

    公开(公告)日：2017-02-16

    申请号：US15185357

    申请日：2016-06-17

    申请人： CSI Technologies LLC

    发明人： Fred SABINS ,  David BROWN ,  Jeffrey WATTERS ,  Jorge Esteban LEAL ,  Larry WATTERS ,  Xiaoxu LI

    IPC分类号： E21B33/14 ,  E21B33/035 ,  E21B33/12 ,  E21B33/134 ,  E21B43/116

    CPC分类号： E21B33/14 ,  E21B33/035 ,  E21B33/12 ,  E21B33/13 ,  E21B33/134 ,  E21B43/116

    摘要： A method for abandonment of a subsea well includes: setting a packer of a lower cementing tool against a bore of an inner casing hung from a subsea wellhead; fastening a pressure control assembly (PCA) to the subsea wellhead; hanging an upper cementing tool from the PCA and stabbing the upper cementing tool into a polished bore receptacle of the lower cementing tool; perforating a wall of the inner casing below the packer; perforating the inner casing wall above the packer by operating a perforator of the upper cementing tool; mixing a resin and a hardener to form a sealant; and pumping a fluid train through bores of the cementing tools and into an inner annulus formed between the inner casing and an outer casing hung from the subsea wellhead. The fluid train includes the sealant followed by a cement slurry.

    摘要翻译： 放弃海底井的方法包括：将下固井工具的封隔器设置在与海底井口悬挂的内壳的孔上; 将压力控制组件（PCA）紧固到海底井口; 从PCA上悬挂上固井工具，并将上固井工具刺入下固井工具的抛光孔容器中; 穿过封隔器下面的内壳的壁; 通过操作上固定工具的穿孔器对打包器上方的内壳壁进行穿孔; 混合树脂和硬化剂以形成密封剂; 并且通过钻井工具泵送流体列车并进入形成在内壳和从海底井口悬挂的外壳之间的内环形空间中。 流体系包括密封剂，随后是水泥浆。

    Method of placing sealant into an offshore well to abandon a production zone
    9.
    发明授权
    Method of placing sealant into an offshore well to abandon a production zone 有权

    公开(公告)号：US10378306B2

    公开(公告)日：2019-08-13

    申请号：US16176590

    申请日：2018-10-31

    申请人： CSI Technologies LLC

    发明人： Freddie Lynn Sabins ,  Larry Thomas Watters

    IPC分类号： E21B33/13 ,  C04B26/02 ,  C09K8/42 ,  C09K8/44 ,  E21B33/12 ,  E21B33/138

    摘要： A method of sealing a well includes selecting a preexisting fluid pathway between a production platform and a desired sealing location in the well to be sealed, determining, for the well to be sealed, a desired quantity of sealant having known flow qualities, to be delivered in fluid form to the well in the sealing region of the well, determining, based on the flow qualities of the sealant in fluid form and the flow qualities of the preexisting fluid pathway, the time needed to deliver the desired quantity of the sealant in fluid form to the sealing location in the well, determining, based on the time needed to deliver the desired quantity of the sealant in fluid form to the sealing location in the well, whether the sealant will maintain the fluid form, if necessary, change one or more qualities of the sealant so that the desired quantity of the sealant will reach the sealing location in the well while in the fluid form, and transport the quantity of sealant, in fluid form, through the preexisting fluid pathway between a production platform and the desired sealing location in the well to be sealed.

    METHOD OF PLACING SEALANT INTO AN OFFSHORE WELL TO ABANDON A PRODUCTION ZONE
    10.
    发明申请
    METHOD OF PLACING SEALANT INTO AN OFFSHORE WELL TO ABANDON A PRODUCTION ZONE 审中-公开

    公开(公告)号：US20190063180A1

    公开(公告)日：2019-02-28

    申请号：US16176590

    申请日：2018-10-31

    申请人： CSI Technologies LLC

    发明人： Freddie Lynn SABINS ,  Larry Thomas WATTERS

    IPC分类号： E21B33/13 ,  E21B33/138 ,  C04B26/02 ,  C09K8/44 ,  C09K8/42 ,  E21B33/12

    CPC分类号： E21B33/13 ,  C04B26/02 ,  C09K8/426 ,  C09K8/44 ,  E21B33/12 ,  E21B33/138

    摘要： A method of sealing a well includes selecting a preexisting fluid pathway between a production platform and a desired sealing location in the well to be sealed, determining, for the well to be sealed, a desired quantity of sealant having known flow qualities, to be delivered in fluid form to the well in the sealing region of the well, determining, based on the flow qualities of the sealant in fluid form and the flow qualities of the preexisting fluid pathway, the time needed to deliver the desired quantity of the sealant in fluid form to the sealing location in the well, determining, based on the time needed to deliver the desired quantity of the sealant in fluid form to the sealing location in the well, whether the sealant will maintain the fluid form, if necessary, change one or more qualities of the sealant so that the desired quantity of the sealant will reach the sealing location in the well while in the fluid form, and transport the quantity of sealant, in fluid form, through the preexisting fluid pathway between a production platform and the desired sealing location in the well to be sealed.