EP0059376A1 - In Modulbauweise ausgeführte Anlage zur Unterwasser-Ölgewinnung - Google Patents
In Modulbauweise ausgeführte Anlage zur Unterwasser-Ölgewinnung Download PDFInfo
- Publication number
- EP0059376A1 EP0059376A1 EP82101213A EP82101213A EP0059376A1 EP 0059376 A1 EP0059376 A1 EP 0059376A1 EP 82101213 A EP82101213 A EP 82101213A EP 82101213 A EP82101213 A EP 82101213A EP 0059376 A1 EP0059376 A1 EP 0059376A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- connector
- module
- auxiliary module
- collection
- head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009434 installation Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 230000000295 complement effect Effects 0.000 claims abstract description 4
- 239000003208 petroleum Substances 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 239000002775 capsule Substances 0.000 description 8
- 239000003921 oil Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 241000282472 Canis lupus familiaris Species 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/01—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
- E21B43/013—Connecting a production flow line to an underwater well head
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/035—Well heads; Setting-up thereof specially adapted for underwater installations
- E21B33/037—Protective housings therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/01—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
- E21B43/017—Production satellite stations, i.e. underwater installations comprising a plurality of satellite well heads connected to a central station
Definitions
- the present invention relates to an underwater oil production installation.
- Subsea oil production installations include a certain number of equipment such as well heads which are constituted by pipes fitted with so-called master valves, and by lateral valves, connecting pipes connecting the well heads to an architecture grouping together all the arrivals and on which are arranged pipes, valves and from which a bundle of operating pipes leads to the surface.
- equipment such as well heads which are constituted by pipes fitted with so-called master valves, and by lateral valves, connecting pipes connecting the well heads to an architecture grouping together all the arrivals and on which are arranged pipes, valves and from which a bundle of operating pipes leads to the surface.
- the present invention a. the purpose of grouping in modular assemblies the bodies to be subjected to maintenance and to allow the installation of these assemblies and their ascent without having to use plungers or guide lines.
- the subject of the invention is therefore a modular installation for underwater petroleum production comprising a satellite unit, the production of which is conveyed by a collection to a central architectural structure grouping functional modules from which the production is discharged, characterized in that said satellite unit comprises a wellhead connected by a connector to the upper part of a borehole piping, an individual, liftable auxiliary module being associated with said wellhead, this module enclosing the operating members and control and being connected on the one hand to the well head by a first connector and on the other hand to one end of said collection (10) by a second connector, said well head and said auxiliary module being installed on a base in two separate cells, of complementary shape to said head and said auxiliary module, said auxiliary module comprising means controllable in surfing ace allowing to disconnect it from the collection and the wellhead, and disconnect it from the base.
- the auxiliary module comprises a handling head capable of cooperating with a handling tool suspended from suspension means comprising pipes necessary for the operation of the connectors and transmitting the orders given at the surface.
- FIG. 1 there is shown an installation according to the present invention. It comprises a certain number of satellite well heads 1 placed on bases 2. Some bases receive a well head, others several. Each satellite wellhead is associated with an auxiliary module 3 which is a module comprising valves.
- the installation also comprises an architectural structure 4 which serves to support a certain number of elements.
- this structure receives functional modules such as valve modules 5 and a routing module 6; it also receives a base 7 of a bundle of operating pipes 8 leading to the surface where an operating platform, not shown, performs certain treatments on crude oil. After this treatment, the oil is lowered to the bottom by one of the pipes 8 and then leaves from the bottom, by a pipe 9 to reach the surface at a loading buoy.
- the structure 4 also includes pipes, not visible in the figure, connecting the base 7 to the valve modules 5, as well as the routing module 6, on the one hand to the base 7 and on the other to each of the valve modules 5.
- Such a routing module 6 is used to send a tool, for example a tool for cleaning the pipes to any wellhead from a single pipe at the start.
- a collection 10 connects each auxiliary module 3 to a valve module 5.
- the wellhead is directly connected to a valve module 5 and there is no chain: auxiliary module 3, connecting pipe 10. and valve module 5 but only the valve module 5 .
- the module is provided with cameras and possibly with an acoustic transmitter so as to locate the cell provided in the base 2 for the module and to allow guidance from the surface.
- the module is also provided with ramps which cooperate with means complementary to the cell in order to ensure the correct orientation of the connectors which will have to be connected to the link 10 and to the well head 1. These connections are made automatically from 'orders given on the surface. Electro-hydraulic lines are just placed on the drill string 12 for this purpose to control the jacks allowing these connections.
- FIG. 2 represents a well head 1 and an auxiliary module 3. These modules are installed on the base 2.
- the wellhead essentially comprises a connector 13 intended to make the connection with the upper part 44 of the piping which "covers" the borehole.
- This piping comprises a central channel through which the oil passes and an annular channel which is used for the needs of the service for example one sends there a fluid under pressure if the flow of oil is too low, one can also send a fluid under pressure there for hunting, for example, a cleaning tool that has been sent into the central channel.
- the well head comprises a first set of valves, the operating cylinder 14 of which is seen for the valve. controlling the annular channel and the operating cylinder 15 for the valve controlling the central channel.
- a second set of valves is located a little above and is controlled respectively by a jack 16 and a jack 17. Between these two sets of valves, is located a lateral deflecting whistle 18 by which one exits laterally in two separate pipes 19 and 20 , leading to a fixed connector 21, the central channel and the annular channel.
- the assembly is enclosed in a capsule 22 serving as mechanical protection. This capsule is filled with sea water in equi-pressure with the external environment and additives are introduced therein so as to avoid corrosion and the deposit of algae, and other living organisms.
- a handling head 45 is located at the top of the capsule for its installation.
- the wellhead does not require any maintenance since the valves 14, 15 are permanently open and the valves 16 and 17 are permanently closed, the operation being done by the lateral conduits 19, 20.
- the operating valves and other movable members are grouped in the auxiliary modules 3, valve modules 5 and switching module 6 which are all easily liftable.
- auxiliary module 3 associated with the wellhead 1. It is a module essentially comprising valves for the pipe 19, the pipe 20 and a valve allowing the "by-pass "between these two lines. This entire valve circuit leads to an input connector 23 and an output connector 24.
- the assembly is located in a capsule 25 which comprises a handling head 26 and an anchoring connector 27.
- the capsule also comprises a connector 28 for the remote control of the valves of the module.
- the power cables of this remote control follow the collection 10 and rise to the surface by the bundle of pipes 8 called "Riser".
- the end of the collection 10 has a connector 29 which can slightly move axially in a sleeve 30 linked to the base 2, to allow connection with the connector 24.
- FIGS. 3 to 9 give schematic representations showing the kinematics of the connection of connectors 23 and 24 with connectors 21 and 29. These figures also apply to the connection of valve modules 5, identical to auxiliary modules 3, with d on the one hand the collectors 10 whose connectors are fixed at this end, unlike the connector 29 located at the end of the side of the auxiliary module, and on the other hand with conduits linked to the architectural structure 4 leading on the one hand to routing module 6 and at the base 7.
- These pipes include a connector intended to be connected to a connector such as 24 and also include a freedom of axial movement like the connector 29.
- the capsule 25 of an auxiliary module 3 or of a valve module 5 has been shown diagrammatically at 31.
- valve module 5 since it is placed between one end of a collection 10 with its connector 32 fixedly mounted in its sheath 30 and one end of a pipe 33 linked to the architectural structure 4.
- this end has a connector 34 which can move axially, for example by means of a loop formed at the end of the pipe.
- the fixed connector 32 of the collection end 10 therefore corresponds to the fixed connector 21 in the case of a connection of an auxiliary module 3 with a well head 1 (FIG. 2) and the mobile connector 34 corresponds to the movable connector 29 on the other end of the collection 10.
- the assembly of module members is mounted on a movable cradle 35 relative to the capsule 31.
- the assembly of the valves is shown diagrammatically at 36.
- Jacks 37 and 38 move the cradle and connectors 23 and 24 can also move axially relative to the cradle thanks to jacks 39 and 40.
- the connector 23 is translated to the left to meet the fixed connector of the end of the connecting pipe 10 by the extension of the jack 39.
- connection operations described above are controlled from the surface and the orders are transmitted by remote control cables running along the rod train used for lowering and raising the functional modules.
- the anchoring connections by the connectors 13 of the well heads 1 or by the connectors 27 of the auxiliary modules 3 or of the functional modules of the architectural structure 4 are also controlled from the surface and transmitted by these same cables.
- a handling tool 46 is connected to the auxiliary module 3 by its handling head 26 (fig. 2) and the assembly is lowered by means of a carrying cable 12 or else of a drill string with a adjoining umbilical pipe for the remote controls of the jacks and the tool operating devices.
- the handling tool 46 comprises horizontal thrusters 47 and orientation nozzles 48 which cooperate with optical or acoustic means for guiding and orienting the module.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Lubricants (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8103506 | 1981-02-23 | ||
FR8103506A FR2500525B1 (de) | 1981-02-23 | 1981-02-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0059376A1 true EP0059376A1 (de) | 1982-09-08 |
EP0059376B1 EP0059376B1 (de) | 1985-02-20 |
Family
ID=9255504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP82101213A Expired EP0059376B1 (de) | 1981-02-23 | 1982-02-18 | In Modulbauweise ausgeführte Anlage zur Unterwasser-Ölgewinnung |
Country Status (8)
Country | Link |
---|---|
US (1) | US4452312A (de) |
EP (1) | EP0059376B1 (de) |
BR (1) | BR8200946A (de) |
CA (1) | CA1185894A (de) |
DE (1) | DE3262360D1 (de) |
ES (1) | ES8303602A1 (de) |
FR (1) | FR2500525B1 (de) |
NO (1) | NO820538L (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2534964A1 (de) * | 1982-10-26 | 1984-04-27 | Bretagne Atel Chantiers | |
FR2556407A1 (fr) * | 1983-12-12 | 1985-06-14 | Elf Aquitaine | Installation sous-marine et procede de mise en place de sous-ensembles, elements de cette installation sous-marine |
FR2556441A1 (fr) * | 1983-12-07 | 1985-06-14 | Alsthom Atlantique | Appareillage a manchette flottante de raccordement etanche, reversible et telecommande de canalisations, notamment immergees |
WO1998051903A1 (en) * | 1997-05-14 | 1998-11-19 | Cbv Indústria Mecânica S.A. | A connection device |
CN106948490A (zh) * | 2009-12-18 | 2017-07-14 | 氟石科技公司 | 模块化的处理设施 |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO852370L (no) * | 1984-06-14 | 1985-12-16 | Alsthom Atlantique | Aktiv modul for undervannsinstallasjoner. |
FR2610984B1 (fr) * | 1987-02-17 | 1989-05-05 | Elf Aquitaine | Outil pour connexions sous-marines sur station de production petroliere |
GB8707307D0 (en) * | 1987-03-26 | 1987-04-29 | British Petroleum Co Plc | Sea bed process complex |
WO1989007191A1 (en) * | 1988-02-06 | 1989-08-10 | Mobil Oil Corporation | Clamped body replacement tool |
US4919210A (en) * | 1988-09-30 | 1990-04-24 | Schaefer Jr Louis E | Subsea wellhead protection system |
US5259458A (en) * | 1991-09-19 | 1993-11-09 | Schaefer Jr Louis E | Subsea shelter and system for installation |
NO306481B1 (no) * | 1997-11-03 | 1999-11-08 | Kongsberg Offshore As | Anordning ved en boremal for brönner til havs |
US6059039A (en) * | 1997-11-12 | 2000-05-09 | Exxonmobil Upstream Research Company | Extendable semi-clustered subsea development system |
EP0952300B1 (de) * | 1998-03-27 | 2006-10-25 | Cooper Cameron Corporation | Verfahren und Vorrichtung zum Bohren von mehreren Unterwasserbohrlöchern |
US6003604A (en) * | 1998-04-09 | 1999-12-21 | Kraerner Oilfield Products | Subsea wellhead connection assembly and method of installation |
US5983822A (en) * | 1998-09-03 | 1999-11-16 | Texaco Inc. | Polygon floating offshore structure |
US6230645B1 (en) | 1998-09-03 | 2001-05-15 | Texaco Inc. | Floating offshore structure containing apertures |
US6422315B1 (en) * | 1999-09-14 | 2002-07-23 | Quenton Wayne Dean | Subsea drilling operations |
NO313676B1 (no) * | 2000-02-18 | 2002-11-11 | Abb Offshore Systems As | Termisk beskyttelse av undervannsinstallasjoner |
BR0107018B1 (pt) * | 2001-12-28 | 2011-07-12 | método para a construção de um arranjo de poços de grande afastamento para produção, transporte e explotação de jazidas minerais, arranjo de poços assim construìdo e método para a construção de uma rede de dutos para transporte e armazenagem de fluidos. | |
RU2330154C1 (ru) * | 2004-05-03 | 2008-07-27 | Эксонмобил Апстрим Рисерч Компани , | Система и судно для технического обслуживания шельфовых месторождений |
US20110299930A1 (en) * | 2010-06-04 | 2011-12-08 | Messina Frank D | Subsea oil leak stabilization system and method |
US8978763B2 (en) | 2011-09-23 | 2015-03-17 | Cameron International Corporation | Adjustable fracturing system |
US10132146B2 (en) | 2011-09-23 | 2018-11-20 | Cameron International Corporation | Adjustable fracturing head and manifold system |
US9068450B2 (en) | 2011-09-23 | 2015-06-30 | Cameron International Corporation | Adjustable fracturing system |
US8839867B2 (en) | 2012-01-11 | 2014-09-23 | Cameron International Corporation | Integral fracturing manifold |
US10323475B2 (en) * | 2015-11-13 | 2019-06-18 | Cameron International Corporation | Fracturing fluid delivery system |
US11066913B2 (en) | 2016-05-01 | 2021-07-20 | Cameron International Corporation | Flexible fracturing line with removable liner |
CA3021456A1 (en) | 2017-10-20 | 2019-04-20 | Fluor Technologies Corporation | Integrated configuration for a steam assisted gravity drainage central processing facility |
US11015413B2 (en) | 2018-10-31 | 2021-05-25 | Cameron International Corporation | Fracturing system with fluid conduit having communication line |
US11319757B2 (en) | 2019-12-26 | 2022-05-03 | Cameron International Corporation | Flexible fracturing fluid delivery conduit quick connectors |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2007997A1 (de) * | 1968-05-07 | 1970-01-16 | Fmc Corp | |
FR95343E (fr) * | 1968-12-26 | 1970-08-21 | Entpr De Rech S Et D Activites | Procédé et dispositif de protection d'installation immergée contre les salissures marines. |
US3877520A (en) * | 1973-08-17 | 1975-04-15 | Paul S Putnam | Subsea completion and rework system for deep water oil wells |
FR2266793A1 (de) * | 1974-04-05 | 1975-10-31 | Subsea Equipment Ass Ltd | |
FR2322256A1 (fr) * | 1975-08-27 | 1977-03-25 | Akers Mek Verksted As | Caisson de raccordement pour puits de petrole sous-marin |
US4214842A (en) * | 1978-04-27 | 1980-07-29 | Deep Oil Technology, Inc. | Remotely controlled maneuverable tool means and method for positioning the end of a pipe string in offshore well operations |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1520758A (fr) * | 1967-03-03 | 1968-04-12 | Entpr De Rech S Et D Activites | Dispositif de raccordement de conduites ou de réservoirs immergés |
FR1595486A (de) * | 1968-12-26 | 1970-06-08 | ||
US3887520A (en) * | 1974-01-30 | 1975-06-03 | Allied Chem | Stabilized polyamide composition |
US4174000A (en) * | 1977-02-26 | 1979-11-13 | Fmc Corporation | Method and apparatus for interfacing a plurality of control systems for a subsea well |
US4286665A (en) * | 1979-04-24 | 1981-09-01 | Deep Oil Technology, Inc. | Apparatus and method for conducting offshore well operations |
US4378848A (en) * | 1979-10-02 | 1983-04-05 | Fmc Corporation | Method and apparatus for controlling subsea well template production systems |
-
1981
- 1981-02-23 FR FR8103506A patent/FR2500525B1/fr not_active Expired
-
1982
- 1982-02-18 DE DE8282101213T patent/DE3262360D1/de not_active Expired
- 1982-02-18 EP EP82101213A patent/EP0059376B1/de not_active Expired
- 1982-02-19 BR BR8200946A patent/BR8200946A/pt unknown
- 1982-02-22 NO NO820538A patent/NO820538L/no unknown
- 1982-02-22 CA CA000396764A patent/CA1185894A/fr not_active Expired
- 1982-02-23 ES ES509828A patent/ES8303602A1/es not_active Expired
- 1982-02-23 US US06/351,562 patent/US4452312A/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2007997A1 (de) * | 1968-05-07 | 1970-01-16 | Fmc Corp | |
FR95343E (fr) * | 1968-12-26 | 1970-08-21 | Entpr De Rech S Et D Activites | Procédé et dispositif de protection d'installation immergée contre les salissures marines. |
US3877520A (en) * | 1973-08-17 | 1975-04-15 | Paul S Putnam | Subsea completion and rework system for deep water oil wells |
FR2266793A1 (de) * | 1974-04-05 | 1975-10-31 | Subsea Equipment Ass Ltd | |
FR2322256A1 (fr) * | 1975-08-27 | 1977-03-25 | Akers Mek Verksted As | Caisson de raccordement pour puits de petrole sous-marin |
US4214842A (en) * | 1978-04-27 | 1980-07-29 | Deep Oil Technology, Inc. | Remotely controlled maneuverable tool means and method for positioning the end of a pipe string in offshore well operations |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2534964A1 (de) * | 1982-10-26 | 1984-04-27 | Bretagne Atel Chantiers | |
EP0107842A1 (de) * | 1982-10-26 | 1984-05-09 | Alsthom | Vorrichtung zum wiederholten Anbringen und Zurückholen eines autonomen Unterwassermoduls, das mit einem an eine Förderleitung kuppelbaren Rohrstück ausgerüstet ist |
FR2556441A1 (fr) * | 1983-12-07 | 1985-06-14 | Alsthom Atlantique | Appareillage a manchette flottante de raccordement etanche, reversible et telecommande de canalisations, notamment immergees |
WO1985002652A1 (fr) * | 1983-12-07 | 1985-06-20 | Alsthom-Atlantique | Appareillage a manchette flottante de raccordement etanche, reversible et telecommande de canalisations, notamment immergees |
EP0146461A1 (de) * | 1983-12-07 | 1985-06-26 | Alsthom | Vorrichtung mit schwimmendem, wasserdichtem, umsteuerbarem und ferngesteuertem Verbindungsrohr, insbesondere für Unterwasserleitungen |
FR2556407A1 (fr) * | 1983-12-12 | 1985-06-14 | Elf Aquitaine | Installation sous-marine et procede de mise en place de sous-ensembles, elements de cette installation sous-marine |
WO1998051903A1 (en) * | 1997-05-14 | 1998-11-19 | Cbv Indústria Mecânica S.A. | A connection device |
US6340057B1 (en) | 1997-05-14 | 2002-01-22 | Fmc Do Brasil Industria E. Comercio S.A. | Connection device |
CN106948490A (zh) * | 2009-12-18 | 2017-07-14 | 氟石科技公司 | 模块化的处理设施 |
US10458140B2 (en) | 2009-12-18 | 2019-10-29 | Fluor Technologies Corporation | Modular processing facility |
Also Published As
Publication number | Publication date |
---|---|
BR8200946A (pt) | 1983-01-04 |
FR2500525A1 (de) | 1982-08-27 |
US4452312A (en) | 1984-06-05 |
CA1185894A (fr) | 1985-04-23 |
DE3262360D1 (en) | 1985-03-28 |
ES509828A0 (es) | 1983-02-01 |
FR2500525B1 (de) | 1985-05-03 |
NO820538L (no) | 1982-08-24 |
EP0059376B1 (de) | 1985-02-20 |
ES8303602A1 (es) | 1983-02-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): DE FR GB IT NL |
|
17P | Request for examination filed |
Effective date: 19830224 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
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