CN105485430A - Lifting pipe supporting device - Google Patents
Lifting pipe supporting device Download PDFInfo
- Publication number
- CN105485430A CN105485430A CN201510974748.6A CN201510974748A CN105485430A CN 105485430 A CN105485430 A CN 105485430A CN 201510974748 A CN201510974748 A CN 201510974748A CN 105485430 A CN105485430 A CN 105485430A
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- CN
- China
- Prior art keywords
- pipe
- pile
- lifting pipe
- lifting
- guide
- 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.)
- Pending
Links
- 238000005553 drilling Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000005086 pumping Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/01—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets for supporting or guiding the pipes, cables or protective tubing, between relatively movable points, e.g. movable channels
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/02—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
- E02B17/021—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto with relative movement between supporting construction and platform
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention provides a lifting pipe supporting device, comprising a pile washing-out pipe, a guide pipe and at least two guide frames; the pile washing-out pipe is fixedly arranged on a pile leg; the guide pipe is fixedly arranged on the pile leg and parallel to the pile washing-out pipe; the guide pipe and the pile washing-out pipe are arranged on two sides of a lifting pipe, respectively; the guide frames are spaced apart by a certain distance ad fixedly arranged on the lifting pipe; two clamping portions, which are in sliding fit with outer wall surfaces of the pile washing-out pipe and the guide pipe, respectively, are arranged on each guide frame, and the clamping portions partially surround the outer wall surface of the pile washing-out pipe or the guide pipe to limit a horizontal motion of the lifting pipe. The lifting pipe supporting device limits the lifting pipe by using the existing pile washing-out pipe on the pile leg without a lifting pipe guide rail arranged independently, and thus is simple in structure and convenient to manufacture, and a production cost and the weight of the pile leg can be reduced; besides, such environmental loads as wind wave on the pile leg also can be reduced, and therefore, the stability of a platform is improved, which is conductive to prolong the service life of the platform.
Description
Technical field
The present invention relates to a kind of bearing device, particularly relate to a kind of lifting pipe bearing device that lifting pipe on the footing of self-elevating drilling platform is supported.
Background technique
Self-elevating drilling platform generally has 3 can the spud leg of oscilaltion, when self-elevating drilling platform is before carrying out drillng operation, need first by this drilling machine platform selve support above sea level.By making the spud leg of self-elevating drilling platform decline, the shoe bottom spud leg can being made to touch seabed, then, by making drill platform self rise relative to spud leg, just drill platform can be supported on above sea level.Spud leg is provided with several and vertical rushes pile pipe, this rushes pile pipe and the silt in seabed can be washed away, to make shoe reliably seabed interaction.
Spud leg is also provided with submersible pump, and submersible pump is connected with lifting pipe.Because the distance on drill platform distance ground, seabed can change, this just requires that the upper-lower position of submersible pump on spud leg can change, to meet water supply requirement.In existing structure, submersible pump and lifting pipe are arranged on and are arranged on the submersible pump track of spud leg, and this submersible pump track is made up of otic placode, eye plate etc. usually.Submersible pump track is the important auxiliary device of self-elevating drilling platform submersible pump lifting pipe.
Marine special ocean environment brings very large challenge to the design of submersible pump track, and along with the increase of the operation on the sea depth of water, the increase of submersible pump discharge capacity, make the height of spud leg higher, stability, reliability requirements are higher.Therefore the lightweight of platform leg structure and structure stability become the current major issue being badly in need of solving.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of lifting pipe bearing device is provided.
According to an aspect of the present invention, a kind of lifting pipe bearing device, for lifting pipe being supported in the spud leg of self-elevating drilling platform, comprising: rush pile pipe, being fixedly installed on described spud leg; Guide pipe, is fixedly installed on described spud leg and parallels with described pile pipe of rushing, described guide pipe and rush longitudinal both sides that pile pipe is located at lifting pipe respectively; At least two certain distances be fixedly installed on the leading truck of described lifting pipe separately, each described leading truck is provided with two engagement portions be slidably matched with the outer wall of rushing pile pipe and guide pipe respectively, and described engagement portion part encloses in rushing the outer wall of pile pipe or guide pipe to limit described lifting pipe horizontal motion.
According to an embodiment of the present invention, described lifting pipe, the axis rushing pile pipe and guide pipe are positioned at same vertical plane, described engagement portion be arranged on leading truck outer end and the circular arc draw-in groove that overlaps with the corresponding center of circle rushing pile pipe or guide pipe of the center of circle.
According to an embodiment of the present invention, be arranged at intervals with in described circular arc draw-in groove and multiple and describedly rush the parallel guide pad of pile pipe, the two ends of described guide pad protrude from described leading truck.
According to an embodiment of the present invention, the relatively described plane symmetry of rushing the axis of pile pipe and the axis place of guide pipe of described circular arc draw-in groove is arranged, and described leading truck rushes between the axis of pile pipe and the axis of guide pipe described in the horizontal direction.
According to an embodiment of the present invention, described leading truck comprises the first leading truck and the second leading truck that are symmetricly set in described lifting pipe both sides, and one end away from lifting pipe of described first leading truck and the second leading truck is respectively provided with the engagement portion described in.
According to an embodiment of the present invention, described lifting pipe comprises multiple pipeline section that pumps up water be connected successively, described in pipeline section two ends of pumping up water be provided with adpting flange, described leading truck is fixedly connected on described adpting flange.
According to an embodiment of the present invention, described guide pipe is arranged at two and rushes between pile pipe, and described two are rushed between pile pipe and described guide pipe and are equipped with lifting pipe.
According to another aspect of the present invention, a kind of lifting pipe bearing device, for lifting pipe being supported on the spud leg of self-elevating drilling platform, comprising: two rush pile pipe, is fixedly installed on longitudinal both sides that described spud leg is also located at lifting pipe respectively; At least two leading trucks being fixedly installed on described lifting pipe at intervals, each described leading truck is provided with two engagement portions be slidably matched with a wherein outer wall of rushing pile pipe respectively, and described engagement portion part encloses in rushing the outer wall of pile pipe to limit described lifting pipe horizontal motion.
As shown from the above technical solution, advantage of the present invention and good effect are:
Lifting pipe bearing device of the present invention, carry out spacing by utilizing original pile pipe of rushing on spud leg to lifting pipe, without the need to establishing separately lifting pipe guide rail, structure is simple, is convenient to processing, cost of production can be reduced, and can the weight of spud leg, in addition, the environmental loads such as the stormy waves suffered by spud leg can also be alleviated, improve the stability of platform, be conducive to the working life of improving platform.
Accompanying drawing explanation
Describe its example embodiment in detail by referring to accompanying drawing, above-mentioned and further feature of the present invention and advantage will become more obvious.
Fig. 1 is the schematic diagram of lifting pipe bearing device of the present invention when being arranged on the spud leg of self-elevating drilling platform;
Fig. 2 is schematic diagram when lifting pipe is connected with wire rope in the present invention;
Fig. 3 rushes the schematic diagram that pile pipe is connected with spud leg in the present invention;
Fig. 4 is the partial sectional view along B-B line in Fig. 2;
Fig. 5 is the partial enlarged drawing at A place in Fig. 2;
Fig. 6 be leading truck with rush pile pipe in conjunction with time schematic diagram;
Fig. 7 is the cross-sectional schematic in C-C direction in Fig. 6.
Embodiment
More fully example embodiment is described referring now to accompanying drawing.But example embodiment can be implemented in a variety of forms, and should not be understood to be limited to mode of execution set forth herein; On the contrary, these mode of executions are provided to make the present invention comprehensively with complete, and the design of example embodiment will be conveyed to those skilled in the art all sidedly.Reference character identical in figure represents same or similar structure, thus will omit their detailed description.
See Fig. 1 to Fig. 4, the invention discloses a kind of lifting pipe bearing device, wherein, Fig. 1 is the schematic diagram of lifting pipe bearing device of the present invention when being arranged on the spud leg 5 of self-elevating drilling platform, Fig. 2 is schematic diagram when lifting pipe 4 is connected with wire rope 43 in the present invention, Fig. 3 rushes the schematic diagram that pile pipe 1 is connected with spud leg 5 in the present invention, Fig. 4 is the partial sectional view along B-B line in Fig. 2.The spud leg 5 of self-elevating drilling platform is provided with and vertical rushes pile pipe 1, the below of spud leg 5 is connected with shoe 51.This lifting pipe bearing device may be used for lifting pipe 4 to be bearing on spud leg 5, and this lifting pipe bearing device comprises this and is arranged on spud leg 5 rushes pile pipe 1, also comprises guide pipe 2 and leading truck 3.Wherein, see Fig. 3, spud leg 5 is welded with column 52, rushes pile pipe 1 and weld with column 52, thus be firmly welded on rushing pile pipe 1 on spud leg 5.
Composition graphs 2 and Fig. 4 and Fig. 5, Fig. 5 are the partial enlarged drawing at A place in Fig. 2.In the present embodiment, rush pile pipe 1 and be provided with two, these two are rushed pile pipe 1 and are vertically fixed on spud leg 5.The quantity of guide pipe 2 is one, and this guide pipe 2 is fixedly installed on spud leg 5 equally, and rushes pile pipe 1 be parallel to each other with these two.Respectively be provided with a lifting pipe 4 rushing between pile pipe 1 and guide pipe 2.The quantity of leading truck 3 is at least two, these two leading trucks certain distance and being all fixedly installed on lifting pipe 4, to support lifting pipe 4 separately.Leading truck 3 also can be set to multiple, and spacing ground distributes, reliably can support lifting pipe 4 along the axial direction of lifting pipe 4.
See Fig. 4, leading truck 3 is provided with two engagement portions be slidably matched with the outer wall of rushing pile pipe 1 and guide pipe 2 respectively, and engagement portion partly encloses the outer wall in rushing pile pipe 1 or guide pipe 2, to limit the horizontal motion of lifting pipe 4.The structure of leading truck 3 and engagement portion is not limit, as long as engagement portion can be made and rush pile pipe 1 and guide pipe 2 and formed and be slidably matched, and, when their formed be slidably matched time, engagement portion can not with rush pile pipe 1 or guide pipe 2 departs from, thus lifting pipe 4 is limited within the specific limits, when lifting pipe 4 moves up and down, it is subject to certain restrictions in the horizontal direction, cannot produce horizontal motion, or can only move in certain limit in the horizontal direction.In the present embodiment, leading truck 3 is made up of the first leading truck 31 and second leading truck 32 two-part, is respectively provided with an engagement portion in one end away from lifting pipe 4 of the first leading truck 31 and the second leading truck 32.Engagement portion is the circular arc draw-in groove 33 of the outer end being arranged on leading truck 3, and the center of circle of this circular arc draw-in groove 33 overlaps with the corresponding center of circle rushing pile pipe 1 or guide pipe 2.Lifting pipe 4, the axis rushing pile pipe 1 and guide pipe 2 are positioned at same vertical plane, and can simplify the structure of leading truck 3 like this, leading truck 3 can be arranged in longitudinal both sides of lifting pipe 4 symmetrically.Certainly, if the caliber of lifting pipe 4 is larger, keep lifting pipe 4, rush the axis of pile pipe 1 and guide pipe 2 and be positioned at same vertical plane more at need, also can make to move outside the axis of lifting pipe 4, now the axis of lifting pipe 4 need not be positioned at same plane with the axis rushing pile pipe 1 and guide pipe 2, and leading truck 3 also need not be arranged symmetrically with.
See Fig. 6 and Fig. 7, Fig. 6 be the second leading truck 32 with rush pile pipe 1 in conjunction with time schematic diagram, Fig. 7 is the cross-sectional schematic in C-C direction in Fig. 6.In circular arc draw-in groove 33, be arranged at intervals with multiple guide pad 34 parallel with rushing pile pipe 1, the two ends of guide pad 34 protrude from the second leading truck 32.This guide pad 34 with the wall contacts rushing pile pipe 1, because this guide pad 34 in the vertical direction protrudes from the second leading truck 32, thus can lead to lifting pipe 4 better.Further, guide pad 34 can be changed separately when wearing and tearing, and the second leading truck 32 that now will be not whole replaces, and can reduce user cost.Circular arc draw-in groove 33 liquidate mutually the axis of pile pipe 1 and the axis place of guide pipe 2 plane symmetry arrange, can ensure like this circular arc draw-in groove 33 with rush pile pipe 1 in conjunction with time, can be reliably spacing to lifting pipe 4, prevent lifting pipe 4 from offseting in the horizontal direction, lifting pipe 4 can only be moved up and down.In this case, lifting pipe 4 can be less than the girth of its outer wall out and away in outer wall for the length of the part combined with circular arc draw-in groove 33.First guide portion 31 and the second leading truck 32 full symmetric, also can be combined with guide pipe 2, and what ensure lifting pipe 4 is spacing.
See Fig. 2 and Fig. 5, lifting pipe 4 comprises multiple pipeline section 41 that pumps up water be connected successively, and pumping up water, pipeline section 41 two ends are provided with adpting flange 42, and adjacent pumping up water between pipeline section 41 is connected by adpting flange 42.First guide portion 31 and the second leading truck 32 are provided with the screw 35 coordinated with adpting flange 42.First leading truck 31 and the second leading truck 32 can be fixedly connected on adpting flange 42 by this screw 35.Certainly, also the first leading truck 31 and the second leading truck 32 can be arranged in the outer wall of lifting pipe 4, and necessarily not be connected on adpting flange 42.
See Fig. 1 and Fig. 2, the top of lifting pipe 4 is by hanger 44 connecting steel wire ropes 43, and wire rope 43 can be connected with compressed air hoist, drives lifting pipe 4 to move up and down by compressed air hoist.Connect submersible pump 6 in the below of lifting pipe 4, when lifting pipe 4 moves up and down, submersible pump 6 can be driven to move up and down.In the present embodiment, leading truck 3 is rushing between the axis of pile pipe 1 and the axis of guide pipe 2 in the horizontal direction, like this, can not interfere when two lifting pipes 4 can be made to move under wire rope 43 draws independently of one another.When distance between self-elevating drilling platform distance sea level changes, correspondingly can adjust the height of lifting pipe 4, lifting pipe 4 is offered in the height direction multiple openable port, these ports flange end bracket enclosed, when lifting pipe 4 moves to a certain height, the port that the hull self of distance self-elevating drilling platform is nearer can be opened, to pick out seawater from this port.
Although make use of two in the present embodiment to rush pile pipe 1, but the present invention is not limited to this, in other embodiments of the invention, also one can be only utilized to rush pile pipe 1 and a guide pipe 2, now, can rush between pile pipe 1 and guide pipe 2 lifting pipe 4 is set at this, two even more lifting pipes also can be set.In addition, in other embodiments of the invention, guide pipe 2 also can adopt and rush pile pipe 1, now only need to arrange corresponding leading truck 3, its length is just combined with two side blow pile pipes 1, and that is, pile pipe is rushed in employing two altogether, each described leading truck is provided with two engagement portions be slidably matched with a wherein outer wall of rushing pile pipe respectively, and described engagement portion part encloses in rushing the outer wall of pile pipe to limit described lifting pipe horizontal motion.
In sum, the present invention rushes pile pipe by utilization and to lead to lifting pipe and to locate, and makes to rush pile pipe and not only may be used for rushing stake, but also serve the effect of original submersible pump guide rail, original submersible pump guide rail can be omitted, serve the object of structure optimization, weight reduction, saving material.Utilization rushes pile pipe structure simply, is convenient to processing, and can reduces the load of spud leg, the conditioning such as wind-force are subject to larger due to spud leg, the present invention can reduce the wind-exposuring area of spud leg to a certain extent, alleviates the load that spud leg is subject to, and strengthens the stability of drill platform.This lifting pipe bearing device is relative to the submersible pump guide rail of transmission and lifting pipe, and quality alleviates about 40% relatively, and cost of production can save 30%, has good market prospects and considerable economic benefit.
Below illustrative embodiments of the present invention is illustrate and described particularly.Should be appreciated that, the invention is not restricted to disclosed mode of execution, on the contrary, the invention is intended to contain and be included in various amendment in the spirit and scope of claims and equivalent arrangements.
Claims (8)
1. a lifting pipe bearing device, for lifting pipe being supported on the spud leg of self-elevating drilling platform, is characterized in that, comprise:
Rush pile pipe, be fixedly installed on described spud leg;
Guide pipe, is fixedly installed on described spud leg and parallels with described pile pipe of rushing, described guide pipe and rush longitudinal both sides that pile pipe is located at lifting pipe respectively;
At least two certain distances be fixedly installed on the leading truck of described lifting pipe separately, each described leading truck is provided with two engagement portions be slidably matched with the outer wall of rushing pile pipe and guide pipe respectively, and described engagement portion part encloses in rushing the outer wall of pile pipe or guide pipe to limit described lifting pipe horizontal motion.
2. lifting pipe bearing device according to claim 1, it is characterized in that: described lifting pipe, the axis rushing pile pipe and guide pipe are positioned at same vertical plane, described engagement portion be arranged on leading truck outer end and the center of circle and the circular arc draw-in groove being mated the corresponding center of circle rushing pile pipe or guide pipe and overlapping.
3. lifting pipe bearing device according to claim 2, is characterized in that: be arranged at intervals with in described circular arc draw-in groove and multiple and describedly rush the parallel guide pad of pile pipe, the two ends of described guide pad protrude from described leading truck.
4. the lifting pipe bearing device according to Claims 2 or 3, it is characterized in that: the relatively described plane symmetry of rushing the axis of pile pipe and the axis place of guide pipe of described circular arc draw-in groove is arranged, and described leading truck rushes between the axis of pile pipe and the axis of guide pipe described in the horizontal direction.
5. lifting pipe bearing device according to claim 1, it is characterized in that: described leading truck comprises the first leading truck and the second leading truck that are symmetricly set in described lifting pipe both sides, one end away from lifting pipe of described first leading truck and the second leading truck is respectively provided with the engagement portion described in.
6. lifting pipe bearing device according to claim 1, is characterized in that: described lifting pipe comprises multiple pipeline section that pumps up water be connected successively, described in pipeline section two ends of pumping up water be provided with adpting flange, described leading truck is fixedly connected on described adpting flange.
7. lifting pipe bearing device according to claim 1, is characterized in that: described guide pipe is arranged at two and rushes between pile pipe, and described two are rushed between pile pipe and described guide pipe and are equipped with lifting pipe.
8. a lifting pipe bearing device, for lifting pipe being supported on the spud leg of self-elevating drilling platform, is characterized in that, comprise:
Two rush pile pipe, are fixedly installed on longitudinal both sides that described spud leg is also located at lifting pipe respectively;
At least two leading trucks being fixedly installed on described lifting pipe at intervals, each described leading truck is provided with two engagement portions be slidably matched with a wherein outer wall of rushing pile pipe respectively, and described engagement portion part encloses in rushing the outer wall of pile pipe to limit described lifting pipe horizontal motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510974748.6A CN105485430A (en) | 2015-12-19 | 2015-12-19 | Lifting pipe supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510974748.6A CN105485430A (en) | 2015-12-19 | 2015-12-19 | Lifting pipe supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105485430A true CN105485430A (en) | 2016-04-13 |
Family
ID=55672602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510974748.6A Pending CN105485430A (en) | 2015-12-19 | 2015-12-19 | Lifting pipe supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105485430A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4329086A (en) * | 1979-06-20 | 1982-05-11 | Saipem S.P.A. | Method for laying an underwater pipe to straddle an already laid pipe, and the relative devices |
| CN204326040U (en) * | 2014-11-21 | 2015-05-13 | 中石化胜利石油工程有限公司钻井工艺研究院 | A kind of liftable parasitic type seawater pump bracket |
| CN204356753U (en) * | 2014-11-21 | 2015-05-27 | 中国海洋石油总公司 | A kind of seawater column holder suspension supporting device |
| CN104805817A (en) * | 2015-01-12 | 2015-07-29 | 烟台中集来福士海洋工程有限公司 | Self-elevating offshore platform and submersible pump tower thereof |
| CN204587292U (en) * | 2014-12-29 | 2015-08-26 | 中石化胜利石油工程有限公司钻井工艺研究院 | A kind of liftable adhesion type seawater pump bracket |
-
2015
- 2015-12-19 CN CN201510974748.6A patent/CN105485430A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4329086A (en) * | 1979-06-20 | 1982-05-11 | Saipem S.P.A. | Method for laying an underwater pipe to straddle an already laid pipe, and the relative devices |
| CN204326040U (en) * | 2014-11-21 | 2015-05-13 | 中石化胜利石油工程有限公司钻井工艺研究院 | A kind of liftable parasitic type seawater pump bracket |
| CN204356753U (en) * | 2014-11-21 | 2015-05-27 | 中国海洋石油总公司 | A kind of seawater column holder suspension supporting device |
| CN204587292U (en) * | 2014-12-29 | 2015-08-26 | 中石化胜利石油工程有限公司钻井工艺研究院 | A kind of liftable adhesion type seawater pump bracket |
| CN104805817A (en) * | 2015-01-12 | 2015-07-29 | 烟台中集来福士海洋工程有限公司 | Self-elevating offshore platform and submersible pump tower thereof |
Non-Patent Citations (1)
| Title |
|---|
| 宋永庄等: "冲桩管设计与强度分析方法探讨", 《中国新技术新产品》 * |
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| PB01 | Publication | ||
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Application publication date: 20160413 |