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公开(公告)号：US09562411B2
公开(公告)日：2017-02-07
申请号：US14150053
申请日：2014-01-08
Applicant: Petrowell Limited
Inventor： Lee Mercer , Iain MacLeod
IPC: E21B23/06 , E21B33/12 , E21B33/128
CPC classification number: E21B23/06 , E21B33/12 , E21B33/1208 , E21B33/128
Abstract: A packer for a well comprises a seal element and seal setting apparatus. The seal setting apparatus is moveable with respect to the seal element in a setting direction to apply a setting force to the seal element to move the seal element from a run-in configuration to a set configuration in which the seal element forms a contact seal with a conduit wall. The packer is arranged such that, in the set configuration, a pressure differential across the packer, which creates a force in the setting direction, will increase the setting force applied by the seal setting apparatus to the seal element to maintain the seal.
Abstract translation: 用于井的封隔器包括密封元件和密封件设置装置。 密封设定装置能够在设定方向上相对于密封元件移动，以向密封元件施加设定力，以将密封元件从入口构造移动到其中密封元件形成接触密封的设定构造， 导管壁。 封隔器布置成使得在设定的构造中，跨越封隔器的在设定方向上产生力的压力差将增加由密封设置装置施加到密封元件的设定力以保持密封。
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公开(公告)号：US09359890B2
公开(公告)日：2016-06-07
申请号：US14743440
申请日：2015-06-18
Applicant: Petrowell Limited
Inventor： Daniel Purkis
CPC classification number: E21B47/122 , E21B23/06 , E21B33/12 , E21B34/066 , E21B47/124
Abstract: A completion apparatus for completing a wellbore includes a tool to alternatively open and close a throughbore; a tool to alternatively open and close an annulus between the outer surface of the completion and the inner surface of the wellbore; a tool to alternatively provide and prevent a fluid circulation route from the throughbore of the completion to the annulus; and at least one signal receiver and processing tool capable of decoding signals received. The apparatus is run into the well bore, the throughbore is closed and the fluid pressure in the tubing is increased to pressure test the completion; the annulus is closed and a fluid circulation route is provided from the throughbore to the annulus and fluid is circulated through the production tubing into the annulus and back to surface. The fluid circulation route is then closed and the throughbore is opened.
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公开(公告)号：US20160145999A1
公开(公告)日：2016-05-26
申请号：US14771238
申请日：2014-02-28
Applicant: PETROWELL LIMITED
Inventor： Hugh Clarkson , Daniel George Purkis , Matthew Knight
CPC classification number: E21B47/0905 , E21B47/122 , G01V3/10 , G01V3/30
Abstract: A system or apparatus for use in downhole communication or detection comprises a downhole arrangement defining a throughbore and primary and secondary elements. One of the primary and secondary elements is provided on the downhole arrangement and the other of the primary and secondary elements is provided in the throughbore. The primary and secondary elements are configurable for coupling of an electromagnetic field therebetween. The primary or secondary element which is provided in the throughbore may be provided on a tool such as a shifting tool which is deployable through the throughbore. The secondary element may be configured to provide the electromagnetic field coupled between the first and second elements with one or more characteristic features. The system may be configured for use, in particular though not exclusively, for communicating information to and/or from a downhole tool in an oil or gas well.
Abstract translation: 用于井下通信或检测的系统或装置包括定义通孔和初级和次级元件的井下装置。 主要和次要元件中的一个被提供在井下装置上，并且主要和次要元件中的另一个设置在通孔中。 主要和次要元件可配置用于耦合它们之间的电磁场。 设置在通孔中的主要元件或辅助元件可以设置在诸如可穿过通孔的可移动工具的工具上。 次要元件可以被配置为提供耦合在第一和第二元件之间的电磁场与一个或多个特征。 该系统可以被配置为用于，特别是但不排他地用于将信息传送到油井或气井中的井下工具和/或从井下工具传送信息。
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公开(公告)号：US20150322748A1
公开(公告)日：2015-11-12
申请号：US14802402
申请日：2015-07-17
Applicant: Petrowell Limited
Inventor： Daniel George PURKIS
CPC classification number: E21B41/00 , E21B33/0355 , E21B43/1185 , E21B47/122 , G01V11/002 , H01H47/00 , Y10T307/477 , Y10T307/773 , Y10T307/977
Abstract: The switching device comprises an electronic switch embedded within a downhole tool (100) and an activator for remote switching of the electronic switch. The activator may be a handheld unit that is used at the surface of the wellbore by an operator or may be a wireline run unit. The activator permits wireless and contactless activation of the electronic switch without the need for mechanical switches which could provide a point of failure for the downhole tool. The electronic switch comprises an electronics module and a power source such as one or more batteries wherein in the active configuration, the switch can allow electrical connection between the electronics module and the power source and in the inactive configuration, the switch prevents electrical connection between the electronics module and the power source.
Abstract translation: 开关装置包括嵌入在井下工具（100）内的电子开关和用于远程切换电子开关的启动器。 活化剂可以是手术单元，其在操作者的井筒的表面处使用，或者可以是有线运行单元。 激活器允许电子开关的无线和非接触激活，而不需要可能为井下工具提供故障点的机械开关。 电子开关包括电子模块和诸如一个或多个电池的电源，其中在主动配置中，开关可以允许电子模块和电源之间的电连接，并且在非活动构造中，开关防止电连接 电子模块和电源。
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公开(公告)号：US20150122509A1
公开(公告)日：2015-05-07
申请号：US14580398
申请日：2014-12-23
Applicant: Petrowell Limited
Inventor： Iain MacLeod
IPC: E21B17/10
CPC classification number: E21B17/1021 , E21B17/1028 , E21B17/1078
Abstract: A centraliser for centralising a tubular in a conduit is described. The centraliser comprises a body comprising a upper body portion and a lower body portion and a plurality of arms linking the upper body portion to the lower body portion. Relative movement of the upper and lower body portions towards each other causes the arms to buckle radially outwards into a set configuration in which the arms are engaged, in use, with a conduit.
Abstract translation: 描述了用于将管状物集中在导管中的中心器。 所述扶正器包括主体，该主体包括上主体部分和下主体部分以及将上主体部分与下主体部分连接的多个臂。 上主体部分和下主体部分朝向彼此的相对运动导致臂沿径向向外弯曲成固定构造，其中臂在使用中与导管接合。
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Patent Agency Ranking
公开(公告)号：US20150053408A1
公开(公告)日：2015-02-26
申请号：US14390309
申请日：2013-04-03
Applicant: Petrowell Limited
Inventor： Daniel George Purkis , Stephen Reid
Abstract: The present application relates to systems and methods for use in wellbore completion. Embodiments of the invention relate to a method and system for operating a downhole tool, such as a downhole tool associated with well fracturing.
Abstract translation: 本申请涉及用于井筒完井的系统和方法。 本发明的实施例涉及一种用于操作井下工具的方法和系统，例如与井压裂相关的井下工具。
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公开(公告)号：US20130025868A1
公开(公告)日：2013-01-31
申请号：US13627705
申请日：2012-09-26
Applicant: Petrowell Limited
Inventor： Colin Smith , Daniel George Purkis
CPC classification number: E21B23/004 , E21B21/103 , E21B23/006 , E21B23/04 , E21B34/14
Abstract: A mechanical counting device for actuating a plurality of output devices, the device comprising: linear indexing means adapted to count a plurality of actuating signals and to cause actuation of the output devices when a predetermined number of actuating signals for each output device has been received, wherein the mechanical counting device is adapted to cause actuation of a particular output device when a different predetermined number of actuating signals has been received such that the output devices are sequentially actuable.
Abstract translation: 一种用于致动多个输出装置的机械计数装置，所述装置包括：线性分度装置，其适于在已经接收到用于每个输出装置的预定数量的致动信号时对多个致动信号进行计数并且引起所述输出装置的致动， 其中所述机械计数装置适于在已经接收到不同的预定数量的致动信号时引起特定输出装置的致动，使得所述输出装置可顺序致动。
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公开(公告)号：US10724360B2
公开(公告)日：2020-07-28
申请号：US14431497
申请日：2013-09-26
Applicant: Petrowell Limited
Inventor： Daniel George Purkis
Abstract: A system for isolating a wellbore having a fluid flow passage extending from surface to a subterranean location has a first, downhole, valve and a second, uphole, valve. The downhole valve is located in the wellbore at a first subterranean location and the uphole valve is located in the wellbore at a second subterranean location spaced from the first valve. Downhole valve is operable between a first configuration permitting access through the flow passage and a second, well isolation, configuration isolating the flow passage below the valve. Uphole valve is operable between a first configuration permitting access therethrough and a second, isolation, configuration providing an isolated or isolatable volume between the first and second valves. A pressure sensor disposed in the isolated volume between the downhole valve and the uphole valve and, in use, permits a pressure in the isolated volume to be measured and/or communicated to a remote location.
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公开(公告)号：US10280715B2
公开(公告)日：2019-05-07
申请号：US15018775
申请日：2016-02-08
Applicant: Petrowell Limited
Inventor： Iain MacLeod , Andrew John Elrick , Stephen Reid
IPC: E21B41/00 , E21B17/07 , E21B23/06 , E21B33/129 , E21B23/01
Abstract: The invention relates to an interlock and setting section for a downhole tool system, the interlock and setting section comprising: a shifting profile located within a throughbore of the downhole tool system, wherein the shifting profile is capable of being coupled to by a shifting tool in the throughbore of the downhole tool system, in order to move the shifting profile with respect to the downhole tool system; a load connector member coupled to the shifting profile and further coupled to a load setting member arranged to deliver a load to a tool as required; wherein there is further provided a selective locking mechanism to selectively lock at least the load setting member to at least one of the downhole tool system and the shifting profile.
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公开(公告)号：US10100617B2
公开(公告)日：2018-10-16
申请号：US15018770
申请日：2016-02-08
Applicant: Petrowell Limited
Inventor： Iain MacLeod , Andrew John Elrick , Stephen Reid
IPC: E21B41/00 , E21B17/07 , E21B23/06 , E21B33/129 , E21B23/01
Abstract: An expandable slips system for use on a mandrel having a longitudinal axis, the mandrel adapted to be run into a borehole, the expandable slips system comprising: at least one slip which in use is adapted to be moved outwardly from the longitudinal axis of the mandrel to grip against and thereby engage a downhole formation, the at least one slip comprising at least one angled member; at least one cone member for engagement with the at least one slip, the cone member comprising at least one angled member for engagement with the at least one angled member of the slip; and at least one cone member expansion device for engagement with the at least one cone member, the cone member expansion device comprising at least one angled member for engagement with another at least one angled member of the cone member.
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