A retrievable subsea apparatus with a pressure and volume compensating system 机翻标题: 暂无翻译,请尝试点击翻译按钮。

公开号/公开日
WO2016043600 A1 2016-03-24 [WO201643600] / 2016-03-24
申请号/申请日
2015WO-NO50164 / 2015-09-17
发明人
PEDERSEN ROALD;MCCAREY DAVID MUIR;LÅG ØRJAN;SONAVANE DEVRAJ;WINTHER-LARSSEN EINAR;
申请人
AKER SUBSEA;
主分类号
IPC分类号
E21B-033/035E21B-033/038E21B-033/04
摘要
(WO201643600) A retrievable subsea apparatus (1) with a pressure and volume compensating system, the apparatus comprising: a housing (1') having in its interior a control system (9) located in a first section (3) thereof and an operating unit (6) located in a second section (4) thereof.  The apparatus further comprises a penetrator (2) which constitutes an interface between the first section (3) and the second section (4), wherein the first section (3) has a substantially constant first pressure.  An external pressure compensator (5, 5') is associated with the second section (4) having a second pressure.  The operating unit (6) comprises at least a first sub-unit (6') and at least a second sub-unit (6").  The second section (4) is subdivided into at least a first sub-section (4') and at least a second sub-section (4") which is sealed off from the first section (4') and being associated with respective sub-unit (6', 6").
机翻摘要
暂无翻译结果,您可以尝试点击头部的翻译按钮。
地址
代理人
代理机构
;
优先权号
2014NO-0001138 2014-09-19
主权利要求
(WO201643600) P a t e n t c l a i m s 1 .    A retrievable subsea apparatus (1 ) with a pressure and volume compensating system, the apparatus comprising:    - a housing (V) having in its interior a control system (9) located in a first section (3) thereof and an operating unit (6) located in a second section (4) thereof,    characterized in that    - a penetrator (2) constitutes an interface between the first section (3) and the second section (4), wherein the first section (3) has a substantially constant first pressure,    - that an external pressure compensator (5, 5') is associated with the second section (4) having a second pressure,    - that at least a first sub-unit (6') and at least a second sub-unit (6") constitute the operating unit (6),    - that at least a first sub-section (4') and at least a second sub-section (4") constitute the second section (4) ,    - that a first liquid (7) is located in the first sub-section (4'), and a    second liquid (8) is located in the second sub-section (4"),  - that the second sub-section (4") is sealed off from the first subjection (4'),    - that the external compensator (5, 5') is in communication with the first sub-section (4'),    - that the first sub-unit (6') is at least partly associated with the first subsection (4') and the second sub-unit (6") is associated with the second sub-section (4"), and    - that an internal pressure compensator (19; 20; 24; 26, 27; 30, 31 ) is configured to adjust for any pressure differences between said first and second sub-sections (4'; 4") and is in contact with the first liquid (7) in the first sub-section (4') and with the second liquid in the second sub-section (4").    2.    The apparatus of claim 1 , characterized in that the first liquid (7) has a first set of properties, and wherein the second liquid (8) has a second set of properties. 3.    The apparatus of claim 2, characterized in that the first and second properties are at least one of viscosity, dielectric property, lubrication and materials compatibility. 4.    The apparatus of claim 1 , 2 or 3, characterized in that the first sub-unit (6') comprises an electric motor, and wherein the second sub-unit (6") comprises a gear assembly. 5.    The apparatus of any one of claims 1 - 4, characterized in that the first pressure in the first section (3) is substantially at sea surface level atmospheric pressure. 6.    The apparatus of any one claims 1 - 5, characterized in that the second pressure is equal to or above subsea pressure surrounding the apparatus housing (V). 7.    The apparatus of any one of claims 1 - 5, characterized in that the external pressure compensator is pre-tensioned to one side to yield a pressure in the second section (4) above an external pressure, e.g. a subsea pressure. 8.    The apparatus of any one of claims 1 - 7, characterized in that the external compensator (5) is linked to or communicates with a compensator movement sensor (15).    9.    The apparatus of claim 8, characterized in that the external pressure compensator (5) is configured to effect a volumetric displacement of the first liquid (7) in said first sub-section (4') to cause the internal pressure   compensator (19; 20; 24; 26, 27; 30, 31 ) to yield a corresponding volumetric change in the second sub-section (4").   10.    The apparatus of any one of claims 1 - 9, characterized in that the external pressure compensator (5) is a first bellow open at one end and closed at the other end, the inside of the first bellow (5) to be in communication with sea water, and wherein the outside and closed end of the first bellow (5) being surrounded by the first liquid (7). 1 1 .    The apparatus of any one of claims 1 - 10, characterized in that the external pressure compensator (5) is made from at least one of or a composition of at least two of: a metal, a metal alloy, a rubber-type material and a plastics material.   12.    The apparatus of any one of claims 1 - 1 1 , characterized in that the external pressure compensator (5) is linked to or communicates with a movement sensor (15).   13.    The apparatus of claim 10, characterized in that the closed end (5') of the first bellow (5) is linked to or communicates with a bellow movement sensor (15). 14.    The apparatus of claim 12 or 13, characterized in that the sensor (15) is a linear movement sensor of inductive, capacitive or resistive type.    15.    The apparatus of any one of claims 1 - 14, characterized in that the control system (9) communicates (1 1 , 12) with external power and communication equipment (10) via said penetrator (2) and the first sub-section (4').   16.    The apparatus of any one of claims 1 - 15, characterized in that the control system (9) communicates with the first sub-unit (6'), e.g. a motor, and a movement sensor (15) of the external pressure compensator (5).   17.    The apparatus of any one of claims 1 - 16, characterized in that the internal pressure compensator (19; 20; 24; 26, 27; 30, 31 ) is located in or associated with a wall (18) or component which divides the first sub-section (4') and the second sub-section (4").   18.    The apparatus of claim 17, characterized in that the wall (18) between said first and second sub-sections (4', 4") is integral with or is in a sealed   engagement with a housing of the first sub-unit (6').   19.    The apparatus of any one of claims 1 - 18, characterized in that the internal pressure compensator (19) is a piston movable in a cylindrical hole in the wall (18), and wherein a first end face of the piston (19) contacts the first liquid (7), and a second end face of the piston (19) contacts the second fluid (8).   20.    The apparatus of any one of claims 1 - 19, characterized in that the internal pressure compensator (20) is a diaphragm membrane (20) located transversely of a hole (21 ) in the wall (18), and wherein a first face of the membrane (20) contacts the first liquid (7), and a second end face of the membrane (20) contacts the second fluid (8).    21 .    The apparatus of claim 20, characterized in that the membrane (20) is located at one axial end of the hole (21 ). 22.    The apparatus of claim 20 or 21 , characterized in that a perforated member (22) is located at the other axial end of the hole (21 ) and being integral with the wall (18). 23.    The apparatus of any one of claims 1 - 19, characterized in that the wall (18) has a circle shaped opening (23) radially inwards of its circumference and extending axially through the wall (18), wherein the internal pressure   compensator (24) is a diaphragm membrane which is located transversely of the opening (23) at one axial end thereof, wherein a first face of the membrane (24) contacts the first liquid (7), and wherein a second face of the membrane (24) contacts the second fluid (8).   24.   The apparatus of claims 23, characterized in that a perforated member (25) is located at the other axial end of the opening (23) integrally with the wall (18).   25.    The apparatus of any one of claims 1 - 19, characterized in that the internal pressure compensator (26, 26') is a bladder or a second bellow of rubber material being substantially located in the first sub-section (4') and having an outlet (26') which communicates with an axially extending hole (27) through the wall (18), an interior of said bladder or second bellow (26) being in   communication with the second liquid (8) present in the second sub-section (4").   26.    The apparatus of any one of claims 1 - 19, characterized in that the internal pressure compensator (30, 31 ) is a circular continuous hose (30) of rubber material being substantially located in the first sub-section (4'), wherein the    hose (30) has at least one branched-off outlet (31 ) which engages a hole (32) through the wall (18), an interior of said outlet (31 ) and hose (30) being in communication with the second liquid (8) present in the second sub-section (4"). 27.    The apparatus of claim 26, characterized in that the hose (30) resides with a part of its body in a recess of a face of the wall (18) in the first sub-section (4').   28.   The apparatus of any one of claims 1 - 27, characterized in that at least one of the first and second liquids (7, 8) is a mineral oil, a synthetic or semi-synthetic oil or a silicone oil.   29.   The apparatus of any one of claims 1 - 28, characterized in that the first section (3) is a dry chamber filled with air or gas.   30.    The apparatus of any one of claims 1 - 29, characterized in that a first dynamic seal (28) is present between the first sub-unit (6') and the second sub- unit (6"), and wherein a second dynamic seal (29) is present at a downstream region of the second sub-unit (6").   31 .   Usage of an apparatus according to any one of claims 1 - 30 to operate or adjust the state of a subsea installation (33) by letting a movable connector (34) at a downstream region of the second sub-unit (6") engage a moveable mating connector (35) on the installation (33).
法律状态
(WO201643600) LEGAL DETAILS FOR WO2016043600  Actual or expected expiration date=2018-03-19    Legal state=ALIVE    Status=PENDING     Event publication date=2015-09-17  Event code=WO/APP  Event indicator=Pos  Event type=Examination events  Application details  Application country=WO WONO2015050164  Application date=2015-09-17  Standardized application number=2015WO-NO50164     Event publication date=2016-03-24  Event code=WO/A1  Event type=Examination events  Published application with search report  Publication country=WO  Publication number=WO2016043600  Publication stage Code=A1  Publication date=2016-03-24  Standardized publication number=WO201643600  LEGAL DETAILS FOR DESIGNATED STATE AU2015318725  Actual or expected expiration date=2035-09-17    Legal state=ALIVE    Status=PENDING   Corresponding cc:  Designated or member state=AU Corresponding appl: AU2015318725  Application date in the designated or member state=2015-09-17   Application number in the designated or member state=2015AU-0318725 Corresponding cc:  Designated or member state=AU Corresponding pat: AU2015318725  Publication stage code in the designated or member state=A1  Publication date in the designated or member state=2017-03-23   Publication number in the designated or member state=AU2015318725    Event publication date=2017-03-23  Event code=WO/ENP  Event type=Entry into national phase  Entry into the national phase in: Corresponding cc:  Designated or member state=AU  LEGAL DETAILS FOR DESIGNATED STATE BR  Actual or expected expiration date=2034-09-19    Legal state=ALIVE    Status=PENDING   Corresponding cc:  Designated or member state=BR Corresponding appl: BR112017003994    Event publication date=2017-03-07  Event code=WO/REG  Event code=BR/B01A  Event type=Examination events  Reference to a national code Pct publication - request for entry into the national phase Comunicacao da publicacao internacional pct. apresentacao de peticao de requerimento de entrada na fase nacional Corresponding cc:  Designated or member state=BR  LEGAL DETAILS FOR DESIGNATED STATE EP  Actual or expected expiration date=2034-09-19    Legal state=ALIVE    Status=PENDING   Corresponding cc:  Designated or member state=EP Corresponding appl: EP15841507    Event publication date=2016-05-11  Event code=WO/121  Event type=Designated states  EP: The EPO has been informed by wipo that ep was designated in this application Corresponding cc:  Designated or member state=EP
专利类型码
A1
国别省市代码
若您需要申请原文,请登录。

最新评论

暂无评论。

登录后可以发表评论

意见反馈
返回顶部