EP0677137A1 - Anlage zur signal- und datenübertragung für die steuerung und überwachung von unterwasser-ramm-, trenn- oder dergl. arbeitsgeräten. - Google Patents
Anlage zur signal- und datenübertragung für die steuerung und überwachung von unterwasser-ramm-, trenn- oder dergl. arbeitsgeräten.Info
- Publication number
- EP0677137A1 EP0677137A1 EP94903729A EP94903729A EP0677137A1 EP 0677137 A1 EP0677137 A1 EP 0677137A1 EP 94903729 A EP94903729 A EP 94903729A EP 94903729 A EP94903729 A EP 94903729A EP 0677137 A1 EP0677137 A1 EP 0677137A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lines
- control
- vehicle
- section
- connection
- 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
- 238000012544 monitoring process Methods 0.000 title claims abstract description 11
- 238000009434 installation Methods 0.000 title claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 7
- 238000005520 cutting process Methods 0.000 claims description 9
- 238000007639 printing Methods 0.000 claims description 8
- 241000196324 Embryophyta Species 0.000 claims 9
- 241000746998 Tragus Species 0.000 claims 1
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 9
- 230000008054 signal transmission Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000008439 repair process Effects 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/52—Tools specially adapted for working underwater, not otherwise provided for
-
- 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
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0007—Equipment or details not covered by groups E21B15/00 - E21B40/00 for underwater installations
Definitions
- the invention relates to a system for signal and data transmission for the control and monitoring of underwater ramming, separating or similar work tools from above the water surface to the underwater work tool lowered under water.
- the susceptibility is mainly due to the sensitivity of the management and control systems in the umbilicals. It hits electrically controlled pile drivers hardest because they fail as soon as the electrical supply to the control elements is affected or malfunctions occur because control processes no longer take place. In the case of automatically controlling devices, the latter also applies to electrical control processes. However, the operation of these is not interrupted.
- U bilical damage and its costs are therefore practically accepted.
- the damage and failure costs incurred to date amount to many millions of DM and have a significant impact on the economic efficiency of the UW work equipment, especially the piling equipment. This is all the more so when it comes to the failure of a umbilical for the previously mentioned additional operation of a UW drive unit, the meter price of which, depending on the drive power to be transmitted, is up to DM 2,000.
- an additional cable is sometimes also routed parallel to the umbilical, which contains the necessary signal lines.
- this cable and an associated cable drum and guide devices in the crane jib are additional they also need to be kept in stock and installed, additional personnel are required.
- the cable causes problems, because its low specific weight causes it to drift uncontrollably in the water, unless it is additionally weighed down or connected to a steel cable On-site improvisations are only possible when working in shallower water.
- the object of the invention is now to provide a system for signal and data transmission for devices of the type mentioned, which enable a more reliable, cost-effective and thus more economical signal and data transmission in a simple manner.
- the affected underwater devices can be controlled with less interference and with less equipment, and data can be transmitted.
- Fig.l in a schematic representation of a pile driver placed on a pile of a UW structure, connected via a line to a UW vehicle.
- FIG. 2 shows a reduced illustration similar to FIG. 1 of a ramming device provided with an underwater drive unit.
- FIG. 3 shows a representation similar to FIG. 2 of a ramming device connected to the support cage of a UW vehicle via a line
- FIG. 1 A representation similar to Figure 3 with a
- FIG. 5 shows a representation similar to FIG. 3 of a pile driver connected by UW radio.
- FIG. 6 shows a section of a piling or separating device with line connection parts which can be plugged in under water.
- FIG. 7 shows a cross section according to section plane "A" in FIG. 1 through the lines leading from the work ship to the piling device in a conventional manner.
- FIG. 8 shows a cross section as in FIG. 7 according to the type of the invention.
- FIG. 9 shows a cross section according to section plane "B" in FIG. 2 through the lines leading from the work ship to the pile driver according to FIGS. 2 and 4 in a conventional manner.
- REPLACEMENT LEAF 10 shows a cross section as in FIG. 9 according to the type according to the invention.
- FIG. 11 shows a cross section like FIG. 10 in a different way according to the invention.
- FIG. 12 shows a schematic representation of a separation device placed on a driven pile of a UW structure and connected to a UW vehicle via a line
- FIG. 13 shows a schematic illustration of another separating device clamped to a drilling rig leg and connected to a pressure or connecting station
- the ramming device 1 sits freely on the ramming pile 2.
- the signal transmission from the work ship 3 to the ramming device 1 takes place via lines integrated into the umbilical 4.
- the ramming device 1 is with the umbilical 5 of a UW vehicle 6 equipped with a television camera is connected via the connecting line 7. Since the vehicle 6 is indispensable for observing the ramming process, it is possible to use the communication system of the underwater camera / vehicle system to the control station 63 on the work ship 3 via the connection line 7 for signal transmission.
- the umbilical 5 can be used unchanged for this purpose, provided the signals to be transmitted are of the appropriate size. Otherwise, it can be replaced by a more powerful one with little additional cost.
- the advantage is that the sensitive signal lines from the endangered piling device umbilical 4 are eliminated and therefore no longer participate in the high-risk handling procedure. It is safest when the device has already been placed on the driving pile 2 ready for operation. This is possible because the compressed air supply is automatically regulated when the driving device 1 is lowered to compensate for the surrounding water pressure and is optically controlled by the television camera.
- the following advantages result with less effort:
- the vehicle U bilical 5 consistently contains only thin lines, so that there is no different stress due to lines of very different strengths.
- the vehicle umbilical 5 is treated more carefully than the heavy load of the ramming device 1 because of the much more sensitive UW equipment.
- the vehicle umbilical 5 is exposed to lower handling risks because of the always secure location of the entire facility directly on the side wall, whereas the ramming device 1 is often not very easy to handle for the umbilical 4 attached to it on the deck for reasons of space.
- the vehicle umbilical 5 is shorter than the umbilical 4, which is usually led down from the crane 9 over the boom 10, which means more damage-exposed length.
- the number of lines in the vehicle umbilical 5 is sufficient to transmit an appropriate number of signals, i.e. this cable may can be used unchanged.
- connection line 7 is provided for the intended operating field of the vehicle 6, and allows the vehicle 6 to control the carrying cable 11, the umbilical 4, the pressure medium hoses 12 for driving the piling device 1 and the outlet of excess compressed air 13 into the
- the second vehicle 16 which is suspended from the lifting and lowering device 15, is used for observing the pile penetration on the basis of the line marks on the pile 2.
- the pile driver 1 in contrast to FIG. 1, the pile driver 1 is not driven by a large pressure medium circuit with long hoses 12 from board, but by a UW drive unit 17 mounted on it via a small pressure medium circuit.
- the power supply to the electro-hydraulic drive unit 17 to generate the pressure medium flow takes place via the umbilical 18, in which, in addition to the power flow lines and a compressed air line, the signal lines are also conventionally located
- the UW vehicle 6 is here connected to the work ship 3 via the support cage 19 which has also been lowered, so that the Signal transmission takes place via the umbilical 5, the support cage 19 and its support umbilical 20.
- the lowered cage 19 carries the UW vehicle 6 near the place of use when deployed in deep water and releases it there into its field of activity. After completing its tasks, the vehicle 6 returns to the support cage 19 and is coupled to it and lifted back on board. This avoids problems which arise without the support cage due to the UW flow for the UW vehicle 6, which acts on the long and relatively light umbilical 5. It would be difficult to hold in place unless it had reinforced propeller drives, which included has structural disadvantages. That this version is similar to Fig.l. in terms of cable routing and lengths of 5 and 7.
- the vibration ram device 21 shown in FIG. 3 is not connected to the underwater vehicle 6, but rather to the support cage 19.
- This has the advantage that the connecting line 7 can be provided with more line wires because the weight, the rigidity and the diameter of the connecting line are no longer so important since they do not hinder the maneuverability of the vehicle 6 here.
- the support cage 19 is able to accommodate stronger spool devices for the connecting line and to supply them with drive energy.
- the Tragumbilical 20 attached to it not only has more cables than the Umbilical 5, it is also much stronger reinforced for high tractive forces.
- it can also contain thinner pressure medium lines, so that not only an electrical but also a pressure medium signal line is possible. This is therefore even more universal and powerful and the vehicle 6 remains unaffected in its freedom of movement.
- the connecting line 7 is also attached here by the vehicle 6 with its robot tool 8 to the piling device 21.
- FIG. 4 shows the piling device 1 connected to a separate UW drive unit 22 installed in a pipe section as a special equipment component.
- the pressure medium circuit for driving the ramming device 1 takes place via hose lines 23.
- the energy supply for the drive unit 22 takes place according to FIG. 2 via the umbilical 18, in which case the signal lines have been omitted, in this case the signal transmission via the connecting line 7 from Carrying cage 19 takes place, for example, for the drive unit 22.
- Plug connections at both ends are located on "quiet" parts which do not participate in the shock vibrations of the ramming device 1.
- the use of this variant is always advantageous if e.g. in the case of long-lasting difficult ramming because of the considerable ram rebound to be expected
- both the drive unit 22 and the ramming device 1 can be connected to the support cage 19 simultaneously via the lines 7 and 7 a while saving the line 24, so that overall there is the possibility of a more flexible configuration of the signal transmission.
- FIGS. 2 to 4 each show only one underwater vehicle 6 with a television camera for monitoring the pile driving progress and the pile driver 1, 21.
- the ramming operation is usually at a standstill because it is not possible to work "blindly".
- using the method according to the invention does not change anything compared to the conventional method.
- the UW vehicle 6 must be brought to the deck for repair as usual. However, in this case, because the lack of visibility or inability to maneuver the connection on the piling device can no longer be released, the connection on the support cage must be released or the connecting line 7 must be cut off automatically. Just as is normally done with the umbilical 5 if this or the UW vehicle 6 has gotten caught somewhere, so that it can float after a certain time.
- the cut connecting line is not of great value, it is only short and contains relatively few lines.
- the plug still remaining on the piling device is released when the repaired UW vehicle returns on site and establishes the new connection.
- FIG. 5 shows a pile driver, which is not connected in any way via a connecting line 7/7 a like the previous FIGS. 1 to 4, but instead has a transmission of radio signals 25 between the support cage 19 and the pile driver 1.
- a transmission is given where only one or very few signals are to be transmitted.
- automatically controlling e.g. with the aid of the devices controlling the pressure medium flow required to drive the ramming device, which only require occasional influencing to change the impact energy.
- these only require an occasional short-term line connection 7 to be established as required, so that the radio connection is appropriate here in order to completely avoid the plug-in process. Since all other operating functions run automatically anyway, and some of them are also checked optically with the television camera, this is the simplest type of communication made possible by the invention.
- the radio signals can also be transmitted between the UW vehicle 6 and the pile driver 1, as shown in their position 5a, 6a and 25a and also on required equipment components, such as e.g. the drive unit 22 according to Figure 4, or others.
- the robotic tool 8, 8a of the UW vehicle 6, 6a causes the plug 28 to be inserted or removed and the safety catch 35 with the actuating arm 36 to be brought into or out of the associated latching groove 37.
- a protective shelf 39 is provided in the event that the shackle 38 with the support rope 11 has been lowered to the other side in any operating phase.
- This protective storage can alternatively also be used for the vertical arrangement of the plug connections 28 a and 32 a, which is then located in the direction of the shock shocks, which, however, can be somewhat less favorable for its loading for handling by means of robot tools 8.
- REPLACEMENT LEAF Observations appear on the video monitor of the control station and are recorded on tape, which is advantageous for later searches because differences that result from the transmission of the data from two communication systems or two recording devices are now eliminated.
- FIG. 7 shows the pressure medium hoses 12 and the umbilical 4 in cross section.
- the hoses 12 are held together along their line length by clips 40 arranged at a certain distance from one another.
- the umbilical 4 is loosely guided next to it. However, it can also be included in the bracket, as can all lines run loosely next to one another without brackets.
- FIGS. 1 and 3 On the working ship 3, instead of the umbilical winch 48, FIGS. 1 and 3, only a simple hose drum with a central compressed air duct is required without the expensive current collectors.
- FIG. 9 shows a cross section of an umbilical 18, which additionally has lines 46 for power current for supplying energy to a UW drive unit 17/22 and is therefore considerably larger in diameter and also more reinforced than the umbilical 4 and thus correspondingly heavier and more rigid is.
- REPLACEMENT LEAF It has the highest manufacturing requirements and is therefore extremely expensive. This sometimes leads to the fact that minimum lengths have to be removed, which are often not required at all, which has a negative impact on economic efficiency, without the vulnerabilities of the signal lines 42, 43 described being avoided at all costs.
- the umbilical cross section 18 is simplified by the method according to the invention as a result of the omission of the signal lines 42/43, and it is designed to be considerably less expensive and safer to manufacture.
- FIG. 11 instead of the umbilical 18, a compressed air line 45 as described in FIG. 8 and a normal cable 47 with power lines 46 are shown next to one another.
- This embodiment according to the invention is by far the most cost-effective for this type of operation and is also cheaper than all of the previous ones in terms of repair and replacement costs.
- the constant tension umbilical winch 49, FIGS. 2 and 4 is also more cost-effective because it builds considerably smaller with the same winding capacity and also eliminates the many collectors for the signal lines, so that only the power current collectors remain.
- a UW cutting device 50 is shown in FIG. 12, which is seated on a driven tubular ram pile 51 and projects with its supporting shaft 52 for the cutting head 53 so that it cuts off under the seabed in the cutting plane C. becomes.
- the separating device 50 has a UW drive unit 54 which is driven electrically or hydraulically to operate the device from above the water surface.
- the electrical supply is via cables similar to Umbilical 18 or 4 in Figures 1-5 (hoses for Fig. 4 not
- the signals of the lines 31 are then flexibly transmitted from the separating device via an external connecting line 7 57 to the printing station 61 in order to then be forwarded via their communication system by means of umbilical 5 to be or vice versa.
- a second fixed plug connection between the separating device 57 and the printing station 61 can also be established, as also described above for the connection 62, or a universal plug-in connection in which all lines are plugged together.
- the maneuvering of the separating device 57 into the required cutting position on the drilling rig leg 58 must also be observed before starting work, for which the underwater vehicle 6 with a television camera is required. in order to bring the pushing station 61 into the correct lowering position for the production of the plug connection 62 similar to 14.15 in Figures 1-5 on board work ship 3 to e.g. to unlock spring-loaded latches on the plug connection, so that external observation is no longer required for this, as for the work process itself.
- a connection station 61a can also be connected in a similar manner to the separating device by means of a plug-in connection 62a, which communicates with the control station 63 on the work ship 3 via the umbical 5 and which has the task of connecting the separating devices 50 and 57 or television cameras permanently attached to the UW drive unit 17.
- the further signals are routed via this system instead of the umbilicals 4, 18 as is conventional.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4300074 | 1993-01-05 | ||
DE4300074A DE4300074C1 (de) | 1993-01-05 | 1993-01-05 | Vorrichtung zur Signal- und Datenübertragung für die Steuerung und Überwachung von Unterwasser-Ramm-, Trenn- oder dergleichen Arbeitsgeräten |
PCT/DE1994/000002 WO1994016193A1 (de) | 1993-01-05 | 1994-01-03 | Anlage zur signal- und datenübertragung für die steuerung und überwachung von unterwasser-ramm-, trenn- oder dergl. arbeitsgeräten. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0677137A1 true EP0677137A1 (de) | 1995-10-18 |
EP0677137B1 EP0677137B1 (de) | 1997-04-09 |
Family
ID=6477733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94903729A Expired - Lifetime EP0677137B1 (de) | 1993-01-05 | 1994-01-03 | Anlage zur signal- und datenübertragung für die steuerung und überwachung von unterwasser-ramm-, trenn- oder dergl. arbeitsgeräten. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5667341A (de) |
EP (1) | EP0677137B1 (de) |
DE (1) | DE4300074C1 (de) |
WO (1) | WO1994016193A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO304958B1 (no) * | 1997-06-05 | 1999-03-08 | Alsthom Cge Alcatel | Anordning for innstallering av et langstrakt element |
US20050080799A1 (en) * | 1999-06-01 | 2005-04-14 | Abb Flexible Automaton, Inc. | Real-time information collection and distribution system for robots and electronically controlled machines |
AU2000273232A1 (en) * | 2000-08-29 | 2002-03-13 | Francois Bernard | An apparatus and a device for driving an object by vibration or impact |
DE10129825B4 (de) * | 2001-06-18 | 2004-04-29 | F & Z Baugesellschaft Mbh | Herstellung einer Unterwasserwand |
GB2448358B (en) * | 2007-04-12 | 2009-07-08 | Tidal Generation Ltd | Installation of underwater ground anchorages |
US8033756B2 (en) * | 2008-07-21 | 2011-10-11 | Adamson James E | Deep water pile driver |
DE202010012237U1 (de) * | 2010-09-06 | 2011-12-08 | Liebherr-Werk Ehingen Gmbh | Kran |
JP5629035B2 (ja) * | 2011-05-10 | 2014-11-19 | アトランティス リソーセズ コーポレーション ピーティーイー リミテッド | 水中発電装置を配備する配備装置および方法 |
US8778259B2 (en) | 2011-05-25 | 2014-07-15 | Gerhard B. Beckmann | Self-renewing cutting surface, tool and method for making same using powder metallurgy and densification techniques |
PL2532790T3 (pl) * | 2011-06-10 | 2014-01-31 | Bauer Spezialtiefbau | Sposób wytwarzania podwodnego elementu fundamentowego, nastawcza głowica dla podwodnego elementu fundamentowego i podwodny układ roboczy |
NL2008279C2 (en) * | 2012-02-13 | 2013-08-14 | Ihc Holland Ie Bv | A template for and method of installing a plurality of foundation elements in an underwater ground formation. |
EP3325760A4 (de) * | 2015-07-24 | 2019-04-24 | Oceaneering International Inc. | Signalverteilungshub für residentes ferngesteuertes verweilfahrzeug |
KR102497993B1 (ko) * | 2017-03-31 | 2023-02-10 | 고쿠리츠겐큐카이하츠호진 가이죠·고완·고쿠기쥬츠겐큐죠 | 수중 항주체의 관제 방법, 수중 항주체의 투입 방법, 수중 항주체의 양수 방법, 수중 항주체의 관제 시스템, 및 수중 항주체의 관제 시스템의 투입·양수 설비 |
CN116279993B (zh) * | 2023-05-22 | 2023-07-28 | 中国空气动力研究与发展中心空天技术研究所 | 水下驻留系统与无人机水下驻留及释放方法 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
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US3314240A (en) * | 1964-12-21 | 1967-04-18 | Exxon Production Research Co | Method and apparatus for use in forming foundations |
US3354658A (en) * | 1965-08-12 | 1967-11-28 | Leonardi Sam | Apparatus for performing underwater operations |
GB1227342A (de) * | 1967-03-31 | 1971-04-07 | ||
US3520358A (en) * | 1967-06-29 | 1970-07-14 | Mobil Oil Corp | Subsea production system |
US3817335A (en) * | 1972-11-28 | 1974-06-18 | Bolt Associates Inc | Airgun repeater powered pile driver |
JPS5116705A (en) * | 1974-06-27 | 1976-02-10 | Hollandsche Betongroep Nv | Suichukuiuchihoho narabini sochi |
NL180448C (nl) * | 1974-11-16 | 1987-02-16 | Koehring Gmbh | Heiinrichting met waterdicht huis en een door druk aangedreven slaglichaam. |
US4157287A (en) * | 1978-08-25 | 1979-06-05 | Christenson Lowell B | Method of assisting pile driving by electro-osmosis |
US4502407A (en) * | 1982-04-12 | 1985-03-05 | Shell Oil Company | Method and apparatus for cleaning, viewing and documenting the condition of weldments on offshore platforms |
EP0169219B1 (de) * | 1984-01-17 | 1990-03-28 | Underwater Systems Australia Limited | Ferngesteuertes unterwasserfahrzeug und verfahren zum betrieb desselben |
US4618285A (en) * | 1985-02-19 | 1986-10-21 | Shell Offshore Inc. | Buoyant ring gasket installation tool |
DE3634905A1 (de) * | 1986-10-14 | 1988-04-28 | Bomag Menck Gmbh | Tauchfaehige rammvorrichtung |
DE3771216D1 (de) * | 1987-07-28 | 1991-08-08 | Menck Gmbh | Verfahren zum eintreiben von rammteilen unter wasser. |
EP0301116B1 (de) * | 1987-07-28 | 1991-07-03 | Menck Gmbh | Tauchfähige elektrohydraulische Antriebseinheit für zum Unterwassereinsatz ausgelegte Ramm- und Arbeitsgeräte |
US5092711A (en) * | 1988-07-29 | 1992-03-03 | Shell Oil Company | Diverless installation of riser clamps onto fixed or compliant offshore platforms |
FR2640415B1 (fr) * | 1988-12-13 | 1994-02-25 | Schlumberger Prospection Electr | Connecteur a accouplement inductif destine a equiper les installations de surface d'un puits |
GB2228629B (en) * | 1989-01-18 | 1993-11-24 | Norske Stats Oljeselskap | Subsea electrical coupling |
US4921438A (en) * | 1989-04-17 | 1990-05-01 | Otis Engineering Corporation | Wet connector |
BR8905595A (pt) * | 1989-11-01 | 1991-05-07 | Petroleo Brasileiro Sa | Sistema de intervecao expansao e reparos de linhas submarinas operador por veiculo de operacao remota |
US5145007A (en) * | 1991-03-28 | 1992-09-08 | Camco International Inc. | Well operated electrical pump suspension method and system |
FR2685139B1 (fr) * | 1991-12-11 | 1994-05-20 | Institut Francais Petrole | Procede et dispositif pour l'interconnexion electrique d'appareils tels que des outils de puits. |
-
1993
- 1993-01-05 DE DE4300074A patent/DE4300074C1/de not_active Expired - Fee Related
-
1994
- 1994-01-03 US US08/481,270 patent/US5667341A/en not_active Expired - Lifetime
- 1994-01-03 EP EP94903729A patent/EP0677137B1/de not_active Expired - Lifetime
- 1994-01-03 WO PCT/DE1994/000002 patent/WO1994016193A1/de active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO9416193A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1994016193A1 (de) | 1994-07-21 |
US5667341A (en) | 1997-09-16 |
EP0677137B1 (de) | 1997-04-09 |
DE4300074C1 (de) | 1994-05-05 |
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