-
公开(公告)号：US10774613B2
公开(公告)日：2020-09-15
申请号：US15908419
申请日：2018-02-28
摘要： A method for casing a subsea wellbore includes running a tieback casing string into the subsea wellbore using a workstring including first, second, and third wiper plugs. The method further includes: launching a first release plug or tag into the workstring; pumping cement slurry into the workstring, thereby driving the first release plug or tag along the workstring; after pumping the cement slurry, launching a second release plug or tag into the workstring; and pumping chaser fluid into the workstring, thereby driving the release plugs or tags and cement slurry through the workstring. The release plugs or tags engage and release the respective wiper plugs from the workstring. The first wiper plug or release plug ruptures, thereby allowing the cement slurry to flow therethrough. The method further includes: stabbing the tieback casing string into a liner string; and retrieving the workstring, the workstring still including the third wiper plug.
-
公开(公告)号：US20200270964A1
公开(公告)日：2020-08-27
申请号：US16285436
申请日：2019-02-26
摘要： An example system for isolating cement slurry from drilling fluids includes a tool configured for installation on a landing collar of a casing. The tool includes a base that conforms to an inner circumference of the casing and a tube that extends uphole from the base. The tube has a first borehole that extends downhole through the base. The tube is perforated to allow cement slurry to pass from the casing into the first borehole. A cementing plug is configured to seal to the casing uphole of the base. The cementing plug includes a second borehole to receive the tube. The cementing plug includes a covering that extends across at least part of the borehole and that is configured to break in response to contact with the tube.
-
公开(公告)号：US10711593B2
公开(公告)日：2020-07-14
申请号：US15315836
申请日：2014-06-05
发明人： Li Gao , Krishna Ravi , Batakrishna Mandal
摘要： A downhole cement plug includes a casing collar locator (CCL) operable to generate signals indicative of casing collars on a downhole casing string of a wellbore system; a controller communicably coupled to the CCL to output a plurality of distinct frequency signals based on the signals from the casing collar locator; and a signal generator communicably coupled to the controller to receive the plurality of distinct frequency signals from the controller and transmit the plurality of distinct frequency signals to a terranean surface through a portion of a wellbore system.
-
公开(公告)号：US10697261B2
公开(公告)日：2020-06-30
申请号：US15575065
申请日：2015-07-07
摘要： Particulate dispenser can include a housing enclosing a receiving space. The housing having a fluid inlet aperture and a particulate input aperture, and a fluid outlet aperture. A hopper can be disposed above the housing and coupled to feed particulate from the hopper to the particulate input aperture. A wheel disposed within in the receiving space having at least one distribution aperture extending from the top surface to the bottom surface. The apertures being disposed at respective positions so that rotation of the wheel alternately aligns the distribution aperture with the particulate input aperture to feed particulate from the particulate input aperture into the distribution aperture and then aligns the distribution aperture with the fluid input aperture and the fluid output aperture to feed the particulate from the distribution aperture into the fluid flowing through the distribution aperture as the wheel rotates.
-
公开(公告)号：US20200173252A1
公开(公告)日：2020-06-04
申请号：US16638094
申请日：2017-10-17
发明人： Gunnar LENDE , Tor SAETRE
摘要： Provided are wiper plugs with removable cores and methods of using the wiper plugs with removable cores. An example wiper plug with a removable core comprises a molded body, a wiper, a cavity through the interior of the molded body, a support disposed in the cavity, and the removable core disposed in the cavity. An example method of use comprises removing the core of the wiper plug without drilling through the wiper plug, and leaving the remainder of the wiper plug in the wellbore.
-
公开(公告)号：US10648286B2
公开(公告)日：2020-05-12
申请号：US16318697
申请日：2016-09-23
发明人： Bo Gao , Lonnie Carl Helms , Aniruddha Gadre , Yuzhu Hu , Gary Makowiecki
摘要： Switchable cross-over systems, devices, and methods for cementing well walls. A switchable cross-over device includes a tool body, a flow sleeve, and a hydraulic sleeve. The tool body includes a main tool path separable into upper and lower tool paths and an auxiliary chamber containing upper and lower annular ports. The flow sleeve is within the auxiliary chamber and movable into a reverse circulation position by a plug traveling through the main tool path. The hydraulic sleeve is located within the main tool path and mechanically coupled to the flow sleeve. The hydraulic sleeve is movable into a conventional circulation position via pressure within the main tool path acting on the hydraulic sleeve.
-
公开(公告)号：US10584556B2
公开(公告)日：2020-03-10
申请号：US15823866
申请日：2017-11-28
IPC分类号： E21B33/14 , E21B33/16 , E21B47/12 , E21B33/127 , E21B44/00 , E21B33/13 , E21B17/10 , E21B23/06 , E21B41/00 , E21B43/12 , E21B34/06 , E21B17/00 , E21B33/12 , E21B47/01 , E21B47/06 , E21B47/10
摘要： Systems and methods for thru-tubing completion including a sub-surface completion unit (SCU) system including a SCU wireless transceiver for communicating with a surface control system of a well by way of wireless communication with a down-hole wireless transceiver disposed in a wellbore of the well, one or more SCU anchoring seals having an un-deployed position (enabling the SCU to pass through production tubing disposed in the wellbore of the well) and a deployed position (to seal against a wall of the target zone of the open-hole portion of the wellbore to provide zonal isolation between adjacent regions in the wellbore) and one or more SCU centralizers having an un-deployed position (enabling the SCU to pass through the production tubing disposed in the wellbore of the well) and a deployed position (to position the SCU in the target zone of the open-hole portion of the wellbore).
-
公开(公告)号：US10570696B2
公开(公告)日：2020-02-25
申请号：US15823858
申请日：2017-11-28
IPC分类号： E21B33/14 , E21B33/16 , E21B47/12 , E21B33/127 , E21B44/00 , E21B33/13 , E21B17/10 , E21B23/06 , E21B41/00 , E21B43/12 , E21B34/06 , E21B17/00 , E21B33/12 , E21B47/01 , E21B47/06 , E21B47/10
摘要： Provided are systems and methods for thru-tubing completion including a sub-surface completion unit (SCU) system including a SCU wireless transceiver for communicating with a surface control system of a well by way of wireless communication with a down-hole wireless transceiver disposed in a wellbore of the well, one or more SCU anchoring seals having an un-deployed position (enabling the SCU to pass through production tubing disposed in the wellbore of the well) and a deployed position (to seal against a wall of the target zone of the open-hole portion of the wellbore to provide zonal isolation between adjacent regions in the wellbore) and one or more SCU centralizers having an un-deployed position (enabling the SCU to pass through the production tubing disposed in the wellbore of the well) and a deployed position (to position the SCU in the target zone of the open-hole portion of the wellbore).
-
公开(公告)号：US20200040699A1
公开(公告)日：2020-02-06
申请号：US16597983
申请日：2019-10-10
IPC分类号： E21B33/14 , E21B33/16 , E21B47/12 , E21B33/127 , E21B44/00 , E21B33/13 , E21B34/06 , E21B41/00 , E21B17/00 , E21B33/12 , E21B47/01 , E21B47/06 , E21B47/10 , E21B17/10 , E21B23/06 , E21B43/12
摘要： Provided are systems and methods for thru-tubing completion including a sub-surface completion unit (SCU) system including a SCU wireless transceiver for communicating with a surface control system of a well by way of wireless communication with a down-hole wireless transceiver disposed in a wellbore of the well, one or more SCU anchoring seals having an un-deployed position (enabling the SCU to pass through production tubing disposed in the wellbore of the well) and a deployed position (to seal against a wall of the target zone of the open-hole portion of the wellbore to provide zonal isolation between adjacent regions in the wellbore) and one or more SCU centralizers having an un-deployed position (enabling the SCU to pass through the production tubing disposed in the wellbore of the well) and a deployed position (to position the SCU in the target zone of the open-hole portion of the wellbore).
-
公开(公告)号：US20200040696A1
公开(公告)日：2020-02-06
申请号：US16597963
申请日：2019-10-10
IPC分类号： E21B33/14 , E21B33/16 , E21B47/12 , E21B33/127 , E21B44/00 , E21B33/13 , E21B34/06 , E21B41/00 , E21B17/00 , E21B33/12 , E21B47/01 , E21B47/06 , E21B47/10 , E21B17/10 , E21B23/06 , E21B43/12
摘要： Provided are systems and methods for thru-tubing completion including a sub-surface completion unit (SCU) system including a SCU wireless transceiver for communicating with a surface control system of a well by way of wireless communication with a down-hole wireless transceiver disposed in a wellbore of the well, one or more SCU anchoring seals having an un-deployed position (enabling the SCU to pass through production tubing disposed in the wellbore of the well) and a deployed position (to seal against a wall of the target zone of the open-hole portion of the wellbore to provide zonal isolation between adjacent regions in the wellbore) and one or more SCU centralizers having an un-deployed position (enabling the SCU to pass through the production tubing disposed in the wellbore of the well) and a deployed position (to position the SCU in the target zone of the open-hole portion of the wellbore).
-
-
-
-
-
-
-
-
-
搜索结果
959 条记录 (耗时 0.029 秒)
