CN85106164A - The conduit guide system of offshore drilling platform - Google Patents
The conduit guide system of offshore drilling platform Download PDFInfo
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- CN85106164A CN85106164A CN 85106164 CN85106164A CN85106164A CN 85106164 A CN85106164 A CN 85106164A CN 85106164 CN85106164 CN 85106164 CN 85106164 A CN85106164 A CN 85106164A CN 85106164 A CN85106164 A CN 85106164A
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Abstract
The conduit guide system of an offshore field platform has a jacket, and its interior stake reaches on the water surface from the seabed.First guiding device comprises some supports that vertically separate, and is divided into the plurality of sections assembling, and every section top shelf has dismountable parts with bolt.Second guiding device is to be made of a pair of plectane,, can permanently be connected on the deck of sub-cellar channel alignment through rotation.The 3rd guiding device comprises some arms of doing radial extension, is supported on the upper deck, through rotation it aimed at conduit, permanently is connected on the upper deck then.
Description
The present invention total about the offshore drilling platform.Say that more specifically it is about a kind of new and useful conduit guide system, so that the employed many tubular conduits of offshore drilling platform can be put in position.The pile that those conduits pass the jacket of drilling platform is extending upward.
Drilling an offshore well with the offshore drilling platform is some large diameter steel pipes that are called conduit to be penetrated the guiding device that is connected with mesa structure with the jacket of offshore drilling platform throw in the soil in seabed and finish.Jacket is a tubular steel structure, plays a part the backing plate of pile, above the seabed extends to the water surface several feet high.The steel superstructure that comprises the platform on deck couples together with stake or jacket, so that can support drilling well and production equipment.
Stake is stretched into 3000～600 feet dark steel tube place that platform are fixed on the seabed of ocean bottom soil by some and is formed.The ingredient of platform, for example jacket, one deck or which floor deck and stake etc. will be finished at the processing space in continent as much as possible, minimize so that the much expensive sea in marine building site built.
Support is housed for the various height of conduit guide system on jacket and deck of conduit permanent position and guiding; so that for conduit provides support; make them can fully bear the ambient influnence that can take place usually, for example wave, wind, current or the like make conduit keep straight line.
Offshore Operation is being used two kinds of conduit guide system systems.First kind of system is that use always and comparatively old-fashioned a kind of, is to be made of the guiding device that links up regularly with jacket and deck structure.Conduit passes these guiding devices and places.Conduit guide system and structural frame provide support for the conduit that passes jacket and deck on different level.This type systematic generally includes three kinds of catheter directed parts.First kind is the parts in those jacket transversary planes, generally is the vertically-guided device of being made by the steel pipe on the tubular element that is welded in the transverse conduit frame.Other two kinds lay respectively on upper deck and the deck of sub-cellar plane, and similar in guiding device on the deck of sub-cellar plane and the jacket just is fixedly connected on the bottom girder of deck, and the guiding device in these guiding devices and the jacket is consistent.The upper deck flat components is made up of the beam grillage that is connected on the fixing upper deck beam, supports the removable port lid that is connected with the deck of sub-cellar conduit guide system.Can provide deck of sub-cellar plane inlet by mobile port lid, deck of sub-cellar usually is plane, catheter tip place.Though the advantage of such system comprises conduit guide system and framework and normally is built in jacket and deck the inside on land in the process, then needs to carry out sea construction in the time of on jacket being installed in existing oil well.Another problem is that this sampling device may be unable to bear very large ambient influnence, moves etc. such as mud avalanche and ice cube.
Second kind of device using under exceedingly odious condition load (for example in the mud avalanche area) situation in the last few years.It is to be made of some jacket conduit guide systems that are positioned in the major diameter stake of before squeezing into a jacket cover.The pile armour tubing is not subjected to the influence of cyclic loading.Typical jacket parts of vessels is to be connected on the central pillar and the laterally steering that is supported by the stake top is configured to by a series of.Other is contained on each layer deck of platform to first kind of similar guiding device parts of device.Because jacket conduit guide system parts must at sea be installed after jacket and pile are installed, the conduit guide system of each one deck section must at sea be built, so as with pile in the conduit guide system location of agreeing.
The jacket parts are because its relation of length is to be divided into several sections construction on land, at sea install subsequently and weld together.But, assembling at sea and need provisional beam during installation exercise and be used for supporting structure.Be big guiding device, the loading and unloading of beam stanchion are very time taking on the stake top, need sometimes with crane or similar devices.Because jacket structure is more and more big, such beam stanchion just more and more is difficult to loading and unloading.
The present invention be about a conduit guide system and drilling well at sea or oil well platform be the method that some conduit set are dressed up this parts.First conduit guide system disposes and is supported on from the seabed and extends through jacket, reaches in the inside pile on the water surface of top, seabed.
According to invention characteristics, there be second guiding device to be associated in a deck of sub-cellar that is connected the jacket upper mounting plate at least.In second guiding device, many pipelines are arranged, make conduit obtain extending and locating with deck of sub-cellar by second guiding device.Second guiding device is to process the facility place by land temporarily, for example is attached on the deck of sub-cellar with spot welding.Like this, it just can temporarily divide and comes, and makes its can those guide holes of rotary alignment, perhaps aims at the position of the conduit in the inner stake at least.After this, second guiding device just permanently is connected on the deck of sub-cellar, normally welds.
According to another invention characteristics, on the upper deck, also be provided with the 3rd guiding device, it also has some through holes that many conduits can be entered wherein.The 3rd guiding device is the support that obtains the beam in top that layer deck, allows the 3rd guiding device rotated hole to last second guiding device a little.
According to another invention characteristics, first guiding device is made of some frame mountings, on each device the bolt clamp device that can dismantle is arranged all, when various piece assembled on inner pile, bolt clamp device can be in order to support uncompleted first guiding device.Then, bolt clamp device just can be dismantled, and when increasing other part, piecemeal is put into first guiding device in the inner stake.
Therefore, the purpose of this invention is to provide a conduit guide system, make the location of the conduit in an offshore drilling platform and guiding become the nothing the matter feelings, the construction work that carry out in its required building site is at sea minimized.
Another object of the present invention provides the method for assembling parts as conduit guide system.
A further object of the invention is promptly used interim beam supports provides an assembling conduit guide system under the situation of that structure method at the needs that tired brain is made us in elimination.
A further object of the invention is exactly to provide a conduit guide system that simplicity of design, heavy building and manufacturing are cheap for offshore platform.
The various characteristics that make the present invention have novel feature have all referred to come out, particularly are attached in the application's book and constitute in its claims of a part.In order to understand better the present invention, its operating advantage and the specific purposes that use it to reach, accompanying drawing and illustrative material can be for reference, wherein specific embodiments of the invention are described.
Fig. 1 is the exploded perspective illustration that has according to an offshore platform of conduit of the present invention and conduit guide system parts.
Fig. 2 is a side-looking exploded view of giving first guiding device of catheter positioning in the inside stake of offshore platform.
Fig. 3 is along the figure of 3-3 line among Fig. 2.
Fig. 4 is along the figure of 4-4 line among Fig. 2.
Fig. 5 is the detail drawing of the removable support in Fig. 2 structure.
Fig. 6 is the lateral view of support shown in Figure 5.
Fig. 7 is a top view of giving second guiding device of catheter positioning and guiding in the platform deck of sub-cellar.
Fig. 8 is along the view of 8-8 line among Fig. 7.
Fig. 9 is the enlarged detail of the relation between second guiding device and deck of sub-cellar.
Figure 10 is the top view of the 3rd guiding device that is connected the upper deck of platform, and it provides access for conduit.
Figure 11 is the top plan view of the employed port lid of structure in Figure 10.
Figure 12 is plane, the top detail drawing of the connection between the 3rd guiding device and upper deck.
Figure 13 is the section detail drawing that shows the support of the 3rd guiding device on the upper deck.
With reference to accompanying drawing, Fig. 1 shows an offshore drilling platform in detail, and it is to be connected seabed 1 and to extend up to the water surface 3.Platform comprises total jacket of 2 that is called, and it is the rigid frame made from steel pipe, generally comprises four stakes 5 on the angle, and those stakes sink in the soil in seabed, or are anchored on the seabed.
In stake 4 extend to several feet high of the water surface 3 tops, it comprises some conduits 10, can be near below seabed and the seabed by those conduits.Every conduit typically has 20～30 inch diameters so thick, and is its to be located and guiding in the inside of stake 4 with first guiding device (always it being called 20).This is described in detail in hereinafter.
Platform has one or more deck of sub-cellar 6 and one deck upper deck 8 at least. Deck 6 and 8 is to be connected on the jacket by support 7 and 9 respectively.
Second guiding device (always being called 30) is connected on the following deck 6, and stipulated through hole for conduit 10.The 3rd guiding device (always being called 40) and deck, top 8 link together, and the also through hole aimed at second guiding device 30 of regulation, and load onto inlet on the top of conduit.
Shown in Fig. 2-6, first guiding device 20 is made of some assemblies.Each assembly comprises the central pillar of an endways 22a to 22d.22a, 22b and 22c are fit to be contained in fully 4 li of interior stakes.Every section comprises one or more but preferably has two steel framed structures at least, is that 24a is to 24c in the 22a section; The 22b section is 24d and 24e; The 22c section is 24f and 24g.Superstructure 24c, the 24e and the 24g that are 22a, 22b and 22c respectively have some detachable passive carriages 26, and they have formed the bigger effective external diameter of diameter of the interior stake 4 of a ratio of this structure.
Steel work 24h above section 22d of top has the big external diameter (not containing any Support bracket) of stake 4 diameters in the ratio, makes it can for good and all be supported on the remainder of the top of interior stake 4 with the support and second the following guiding device that play.
As shown in Figure 3, uppermost steel frame 24h comprises that some steel plate spokes 27 do radial extending radially outwardly from central pillar 22d.Adapter ring 28 and outer shroud 31 are also made with steel plate and upper plate 29 has some apertures to put into some conduits 10 on it.
As shown in Figure 4, a steel framed structure 24f, all so typically frame construction except the frame construction 24h of the top comprises some steel plate spokes 57.They do radial extending radially outwardly from central pillar 22c; A catheter abutment hoop 56 and a cover plate 55 are arranged.As shown in Figure 4, cover plate 55 comprises same groove 58 and the opening 60 that semi-circular recesses 58 and opening 60 are aimed in another cover plate, so that give some conduits 10 location in selected place.Equally, the plate 28 of frame construction 24h provides in the same way the mating holes to catheter positioning.Pillar 22a of central authorities and 22d also can be with being conduit.Though by enough centerings can being provided between semicircle groove 58 and pile lining face, for catheter positioning, in order to keep with one heart, preferably with some spokes 57 to the wall that is extended to stake.
In the process of first guiding device 20 of assembling, some supports 26 are fixed by bolts to the outer end of some spoke 57.At least use two, but the most handy three or four, the support of equidistance is arranged.As shown in Figure 5, each support comprise a pair of riser 62 at a distance of certain interval so that providing under the enough support situation weight to reduce with support.Have the hole 64 that is in line to pass on the plate 62, with base plate 66, the upper plate 68(Heave Here of loser is aimed at the center of gravity of support, so that maintenance is stablized when lifting) and the side plate 70 of another loser plate 62 is linked together.Hole 64 is aimed at the hole on passing spoke 57 ends, and to put on bolt, wherein bolt sees 72.As shown in Figure 5, support 26 strengthens effective external diameter of each frame construction 24c, 24e and 24g, so that make base plate 66 can be placed on the top of interior stake 4.
In assembling process, it is that one section minimum quilt is placed on the top margin of stake, as shown in Figure 5 up to the support 26 with bolt to transferring in stake 4 open top end that first of vertical centre strut 22a is arranged.Then, vertically next section quilt of central rods 22b below transferring and inserting in one section.Make its conduit trough 58 and 60 aim at the conduit trough of other each sections this section being rotated to suitable permanent position, just two central rods 22a and 22b are welded together then.
Sling a little so that support 26 can be removed from structure 24c for two sections that will fit together then,, be placed in till unlimited stake top goes up up to being connected support 26 on the frame construction 24e in advance then with its 4 li of stake in transferring to.After this, the next one has higher a section of center pillar 22c and also will insert and be welded on that section of central post 22b to transferring, and then support is removed from structure 24e.This process continues till that section quilt on the top of containing central post 22d puts down.Because it is loaded with superstructure 24h, it just can automatically be placed on the top margin of stake 4, and for good and all supports remaining all section.
Usually, will provide steel framed structure with conduit 10 location at interior 4 li every 40～60 feet.
Referring now to Fig. 7～9, the second guiding device 30 once, comprise a curved surface cover plate 32 as shown in Figure 8, also comprise some openings that face toward 39, they are for holding the through hole with positioning catheter 10.The diameter of cover plate 32 can cover the opening of upper deck for its external margin, and rest by and stipulate that opening the upper deck those parts above.Preferably cover plate 32 is to be placed on the beam 38 of some upper decks, to guarantee to obtain enough supports.With reference to Fig. 7, the position that it is also noted that the through hole of conduit is not symmetrical.Like this, if second guiding device 30 is that build so that install at drilling platform in the place on the coast, so the opening of conduit just on the coast the place be ready to, still, those openings of conduit must be aimed at the catheter opening of first guiding device 20 when second guiding device is installed.In order to carry out such aligning according to the present invention, it is circular that cover plate 32 is made, can on beam 38, rotate around its center, have several clips 35 that are welded on the beam 38 stretch and provide at interval and extend to around the cover plate cover plate 32 around, to be maintained its center.There are three losers 37 to be welded on the cover plate 32, so that it can be sling.
It is found that that single cover plate 32 typically has 17 feet diameter, is can be crooked under the weight of self, with the guide hole of first guiding device of guide hole misalignment of causing it.So that keep centering, in the preferred embodiment according to this invention, second guiding device 30 also is equipped with a circle, and similarly slightly upwards arches upward, and worn the base plate 34 in hole for the sag that alleviates it.The diameter of base plate is littler than the diameter of cover plate, so that it can be put into the opening of deck of sub-cellar and the space between the beam 38, as shown in Figure 8.Opening 39 can be equipped with suitable sleeve pipe and be used for catheter placement, shown in 41 among Fig. 7.Cover plate 32 and base plate 34 have separated, and are welded in plate 32 and plate 34 and above the sleeve pipe 41, to increase its rigidity and to prevent bending with an annulus 36.
In the process of facility manufacturing platform, cover plate 32 is burn-on at short distance weld point by land.At sea cut these welds with welding torch in the building site, the pore opening 39 of cover plate 32 and its connecting ring 36 and base plate 34 can be rotated to the pore of first guiding device defined of interior stake 4 aim at.Like this, conduit 10 just can slip into pore in the location of first guiding device by opening 39.
Though only showed single second guiding device, may provide which floor deck of sub-cellar.The deck of sub-cellar of each increase or wherein several just will mix second guiding device 30 as shown in Fig. 7-9.
Referring now to Figure 10-13.The upper deck is equipped with the 3rd guiding device 40, and having individual center hub 42 to have the radial steel arm that extends radially outwardly 44 formations is spokes of a wheel, and covers on the opening of upper deck.As shown in figure 10, arm 44 forms is generally delta-shaped region, and each zone all forms the top inlet of some conduits 10, is actually under the upper deck as see conduit 10 from Figure 10.Each zone can cover with a port lid 46, as shown in Figure 11.Each is stamped its support 48.Seat board 47 usefulness bolts connect or are welded on the arm 44, to support port lid 46.Port lid 46 can be fixed by bolts on these seat boards, so that move and enter the top of conduit 10.
Have beam 50 to form bearing in the upper deck, the external margin of arm 44 can be placed on, and allows that the 3rd guiding device 40 with circle rotates around hub 42, so that through hole is aimed at conduit.Behind aligning, the external margin of arm 44 just can be fixed by bolts to or be welded on the beam 50.
Because the diameter that low-angle of the 3rd guiding device 40 rotation is covered conduit through hole 39 is just enough with the 3rd hole that guiding device is shaped in advance of through-hole alignment of second guiding device.Like this, if the beam of platform 50 around the 3rd guiding device distance that stretches out, half of conduit through-hole diameter is just passable equaling from radial each limit of hub.Hub is in a plane between the two row's guide holes 39 that are close to that pass at second guiding device 30.
Though arm 44 can weld or be fixed by bolts on hub 42 and the beam 50, preferably some arm 44 is used bolt, to allow they is dismantled, make the opening can be greatly to allowing that large-scale plant (as blowout hookup) passes through.Some other arm 44 is to be soldered in the support that is provided, in order to avoid the 3rd guiding device has danger on deck of sub-cellar when the bolt of all arms is dismantled.For example, burn-on, every an arm bolt every an arm.
Some characteristic of the present invention can be utilized under the situation of not utilizing other characteristics.Explain to explain the application of the principles of the present invention though specific embodiment of the present invention is detailed, self-evident, the present invention can implement with additive method under the condition of not leaving those principles.
Claims (20)
1, the conduit guide system of an offshore field platform has a jacket and is connected a deck of sub-cellar on the jacket at least, comprising:
A pile that extends to water surface top, top, seabed from the seabed;
First guiding device, it be configured in and with the stake supporting so that with some catheter positioning in stake;
Second guiding device, it is to be associated in a deck of sub-cellar at least, and stipulates that some through holes are above-mentioned catheter positioning, and described second guiding device is rotatable, so that in installation process, described through hole is aimed at some conduits, and can be fixed at least one deck of sub-cellar.
2, a conduit guide system is described according to claim 1, and wherein jacket has individual upper deck, and this device also comprises three guiding device relevant with the upper deck, and regulation other through hole, with the described through-hole alignment of described second guiding device.Described the 3rd guiding device is rotatable, make those described other through holes in installation process with the described through-hole alignment of described second guiding device, and be fixed on the upper deck.
3, according to the described conduit guide system of claim 2, wherein said the 3rd guiding device comprises a hub, some radially from described hub diameter to outward extending arm (beam) and stipulate on described the 3rd guiding device described some through holes and above the regulation deck opening and support the device of described radial arm to allow that described the 3rd guiding device rotates with respect to the upper deck.
4,, also comprise removably being connected above-mentioned radial arm to cover the hole cover device of described through hole according to the described conduit guide system of claim 3.There are some seat boards and each described radial member to link together to support described port lid.It is the fan-shaped port lid of triangle substantially that described port lid comprises some, can be connected on the described seat board between the radial arm that adjoins.
5, according to the described conduit guide system of claim 4, wherein said second guiding device comprises a circular lower plate that several holes is arranged, and aims at the described hole of described cover plate, forms described some through holes, the device of be permanently connected described cover plate and lower plate; The external diameter of described cover plate is greater than the external diameter of described lower plate, so that be supported on the support member, be at least at opening of a deck of sub-cellar regulation, described cover plate then is to be attached at removably at least on the deck of sub-cellar, make described second guiding device can be at least with respect to lower floor deck rotation in case in installation process with described through-hole alignment.
6, also comprise the member that is attached on the deck of sub-cellar according to the described conduit guide system of claim 5, they have the part of stretching from described cover plate on every side, to keep the center of described cover plate around cover plate.
7, according to the described conduit guide system of claim 1, wherein, described second guiding device comprises that one has the circular lower plate in some holes to aim at the described hole on the described cover plate, form described some through holes, the device of described cover plate and the described lower plate of being permanently connected, the external diameter of described cover plate is greater than the external diameter of lower plate, on the supporting member that is supported in regulation opening at least one deck of sub-cellar, it is on one deck deck of sub-cellar at least that described cover plate can be connected with dismantling, with allow described second guiding device when mounted at least with respect to one deck deck of sub-cellar that rotate with described through-hole alignment.
8, according to the described conduit guide system of claim 7, wherein said linkage comprises an annular construction member that connects described cover plate and lower plate.
9, according to the described conduit guide system of claim 8, wherein said cover plate and lower plate are looked up, and each all arches up and becomes convex.
10, the conduit guide system of an offshore field platform has a jacket and a upper deck, comprising:
A pile that extends to the water surface top on it from the seabed.
First guiding device is placed in the stake and obtains the support of pile, is the some catheter positioning in the stake.With
The 3rd guiding device, be associated in and stipulate some through holes with the upper deck, aim at described some conduits that described the 3rd guiding device is rotatable by them, so that in installation process, described through hole is aimed at described conduit, and is fixed on the upper deck.
11, according to the described conduit guide system of claim 10, wherein, described the 3rd guiding device comprises a hub, outwards make some arms of radial extension from described hub, and stipulate some described through holes at described the 3rd guiding device, and be defined in a shedding motion on the upper deck, can rotate with respect to the upper deck to allow described the 3rd guiding device to support described radial arm.
12, according to the described conduit guide system of claim 11, also comprise the hole cover device that removably is attached at described radial arm,, have some seat boards and each described radial arm to couple together, to support described hole cover device so that described through hole is covered.Above-mentioned hole cover device comprises some triangle fan-like pattern port lids that are essentially, and can be connected on the described seat board between the radial arm that adjoins.
13, according to the described conduit guide system of claim 11, wherein, the device of the opening of described decision upper deck comprises some parts that are connected the some arch formula beams on the described upper deck.
14, according to the described conduit guide system of claim 13, wherein, some described arm is welded on the described hub, described arch formula beam partly permanently is cemented in described the 3rd guiding device on the described upper deck, and some described arm can be connected on described hub and the arch formula beam part with dismantling, allows bigger device pass described upper deck mouth so that it is removed.
15, the method for some conduit set of an offshore field platform being dressed up a conduit guide system comprises a jacket and one deck deck of sub-cellar at least, comprising:
Be equipped with second guiding device and have a closing disk, several holes is on the cover board arranged, for conduit is stipulated several through holes.
Cover plate temporarily is connected on one deck deck of sub-cellar in the facility by land at least, and it is placed on is the opening part of one deck deck of sub-cellar at least.
With jacket be that one deck deck of sub-cellar and the cover plate on provisional the connection transport offshore field platform location at least.
Prepare first guiding device so that catheter directed in the pile that extends to water surface top from the seabed.
Will be in cover plate and the provisional connection incision between one deck deck of sub-cellar at least.
Rotation cover makes the position alignment of its through hole with stake inner catheter.And
Cover plate permanently is connected at least on one deck deck of sub-cellar.
16, in accordance with the method for claim 15, wherein, platform comprises a upper deck, also comprises:
Prepare the 3rd guiding device, a center hub that some radial outward extending arms are arranged is arranged.
To there be the arm portion of some bases to be connected on the upper deck.
Temporarily the 3rd guiding device is supported on the base, makes it cover the opening part on deck, upper strata.
Rotate the 3rd guiding device and make the hole between radial arm and the conduit through-hole alignment of second guiding device.
17, in accordance with the method for claim 15, also comprise, cover plate and lower plate are coupled together by an annular construction member is welded on cover plate and the lower plate.There are being some openings to aim on the lower plate, thereby forming some conduit through holes with the opening on the cover plate.The diameter of lower plate is littler than the diameter of cover plate, makes it can be placed on the opening part of deck of sub-cellar.
18, also comprise the middle position of keeping cover plate by the additional member on the deck of sub-cellar according to the described method of claim 17, those members be distributed in interval cover plate around, and the part of the side edge thereof of extending to is arranged.
19, the method for the conduit guide system of the some conduits of offshore field platform of assembling comprises a jacket, and at least one deck of sub-cellar and a upper deck comprise:
Prepare the 3rd guiding device with a center hub and some radial outward extending arms;
To there be the arm of some bases to be connected on the upper deck;
Temporarily support the 3rd guiding device on base, it is covered the opening part on deck, upper strata.
Transport jacket to offshore field platform place temporarily with upper deck and the 3rd guiding device that is connected;
First guiding device catheter directed in the stake is installed, and stake is to extend on the water surface on it from the seabed;
Second guiding device is installed on the deck of sub-cellar position alignment of conduit in the through hole that makes it and the stake;
Rotate the 3rd guiding device and make the aperture between radial arm and the conduit through-hole alignment of second guiding device.
20, according to the described method of claim 19, comprise some radial arm is fixed by bolts to center hub separately on the base, and some radial arm is welded in center hub separately on the base, and will be that leg-of-mutton port lid is placed on the aperture between the radial arm of the 3rd guiding device basically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85106164 CN85106164A (en) | 1985-08-15 | 1985-08-15 | The conduit guide system of offshore drilling platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85106164 CN85106164A (en) | 1985-08-15 | 1985-08-15 | The conduit guide system of offshore drilling platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN85106164A true CN85106164A (en) | 1987-03-04 |
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ID=4794924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 85106164 Pending CN85106164A (en) | 1985-08-15 | 1985-08-15 | The conduit guide system of offshore drilling platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85106164A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953021A (en) * | 2014-05-04 | 2014-07-30 | 中国海洋石油总公司 | Pilot production wellhead platform aiming at complex oil pools |
| CN104018505A (en) * | 2014-06-26 | 2014-09-03 | 中国水利水电第十三工程局有限公司 | Prefabricated steel sleeve guided rock-socketed system and application method thereof |
| CN106828777A (en) * | 2017-04-14 | 2017-06-13 | 常熟市海鑫船舶机械制造有限公司 | Ship steam pipework leads to cabin device |
| CN109137964A (en) * | 2018-09-26 | 2019-01-04 | 南通蓝岛海洋工程有限公司 | A kind of three leg jacket building technology |
| CN111188596A (en) * | 2019-12-30 | 2020-05-22 | 中海石油(中国)有限公司 | Offshore oil platform riser centralizing hole arrangement method |
| CN113898318A (en) * | 2021-10-12 | 2022-01-07 | 北部湾大学 | Simple and easy well head platform of integral type |
-
1985
- 1985-08-15 CN CN 85106164 patent/CN85106164A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953021A (en) * | 2014-05-04 | 2014-07-30 | 中国海洋石油总公司 | Pilot production wellhead platform aiming at complex oil pools |
| CN104018505A (en) * | 2014-06-26 | 2014-09-03 | 中国水利水电第十三工程局有限公司 | Prefabricated steel sleeve guided rock-socketed system and application method thereof |
| CN104018505B (en) * | 2014-06-26 | 2016-04-27 | 中国水利水电第十三工程局有限公司 | The embedding series of rocks system of pre-manufactured steel cage guiding and using method |
| CN106828777A (en) * | 2017-04-14 | 2017-06-13 | 常熟市海鑫船舶机械制造有限公司 | Ship steam pipework leads to cabin device |
| CN109137964A (en) * | 2018-09-26 | 2019-01-04 | 南通蓝岛海洋工程有限公司 | A kind of three leg jacket building technology |
| CN109137964B (en) * | 2018-09-26 | 2021-03-16 | 南通泰胜蓝岛海洋工程有限公司 | Three-leg jacket construction process |
| CN111188596A (en) * | 2019-12-30 | 2020-05-22 | 中海石油(中国)有限公司 | Offshore oil platform riser centralizing hole arrangement method |
| CN113898318A (en) * | 2021-10-12 | 2022-01-07 | 北部湾大学 | Simple and easy well head platform of integral type |
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