CN101956388A - Novel clamp device and fixing method for grouting risers of ocean platform - Google Patents
Novel clamp device and fixing method for grouting risers of ocean platform Download PDFInfo
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- CN101956388A CN101956388A CN 201010293824 CN201010293824A CN101956388A CN 101956388 A CN101956388 A CN 101956388A CN 201010293824 CN201010293824 CN 201010293824 CN 201010293824 A CN201010293824 A CN 201010293824A CN 101956388 A CN101956388 A CN 101956388A
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- standpipe
- clip
- steel pipe
- clamp device
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Abstract
The invention discloses a novel clamp device and a fixing method for grouting risers of an ocean platform. The device comprises a support steel pipe of which one end is connected with a riser hoop; the other end of the support steel pipe is connected with a positioning hoop which has a cylindrical structure of which the cavity is formed by two fastened semi-circular steel plates and a duct frame steel pipe; the cavity is filled with a cement paste layer; the outer walls of the semi-circular steel plates are provided with grouting holes and returning holes; the grouting holes are welded with short pipes connected with a grouting pump pipe; and the inner walls of the semi-circular steel plates are provided with shear keys. The fixing method is to fill slurry in the positioning hoop so as to ensure the safety of the risers. The device and the fixing method can be widely promoted and applied in the field of oil exploitation, particularly the design of risers of the Nanhai sea deepwater duct frames.
Description
Technical field
The present invention relates to a kind of fixedly construction field of pipeline, especially relate to a kind of novel clamp device and fixing means thereof of grouted solid ocean platform standpipe.
Background technology
Usually, during the ocean platform production run, need to install new standpipe sometimes, in view of welding difficult quality guarantee under water, but the pipe clamp of folding is all used at newly-increased riser clip two ends, an end fixed riser, and an end is stuck on the jacket steel pipe.Because not welding, the riser clip of this normal mode can only be maintained fixed by the frictional force of rubber spacer and the pretightning force of fastening bolt, needs running check rubber spacer and fastening bolt, in case find wearing and tearing and loosening, need in time change or fastening.For this area, its South Sea deep water platform, the length of every section standpipe suspended span is all very big, and under the ocean current long term, standpipe and riser clip can be subjected to very big cyclic loading.Wearing and tearing and loosening can take place in rubber spacer and fastening bolt gradually, change or fastening as untimely, and riser clip can slide or come off, and causes that standpipe rocks, even fracture, has influence on the platform ordinary production, even the initial ring environment pollution.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency of the prior art, a kind of being connected and fixed of maintenance that riser clip can be forever firm and jacket steel pipe that make is provided, needing to have avoided frequent conventional submarine inspection to clamp rubber spacer and fastening bolt, improve standpipe fixed mass and service time, thereby guaranteed the security performance of standpipe.
The present invention is achieved by following technical proposals:
The novel clamp device of a kind of grouted solid ocean platform of the present invention standpipe, the supporting steel pipe that comprises an end and standpipe clamp connection, the other end of described supporting steel pipe is connected with the location clip, described location clip is made of the cylinder-like structure that 2 semicircle steel plate make-ups and jacket steel pipe form a cavity, be used for the fill water mud layer in the described cavity, the outer wall of described semicircle steel plate is provided with grout hole and returns the slurry hole, described grout hole is welded with the short tube that is connected with the pump line that is in the milk, and the inwall of described semicircle steel plate is provided with shear key.
The periphery of described semicircle steel plate is provided with sealing joint strip.
The side of described semicircle steel plate is respectively arranged with bolt hole, and wherein a side flexibly connects by the d-axis steel pin, and the described bolt hole of opposite side is used for plugging together mutually with lock bolt.
Be provided with triangular form between the described bolt hole and strengthen gusset.
Described standpipe clip, supporting steel pipe and location clip are that high-strength shipbuilding section is made.
The external surface of described standpipe clip, supporting steel pipe and location clip is provided with corrosion-inhibiting coating.
Another technical scheme of the present invention is the fixing means of above-mentioned novel clamp device, is made of following step:
1. prepare the clamp device, described device comprises the supporting steel pipe of an end and standpipe clamp connection, the other end of described supporting steel pipe is connected with the location clip, described location clip is made of the cylinder-like structure that 2 semicircle steel plate make-ups and jacket steel pipe form a cavity, be used for the fill water mud layer in the described cavity, the outer wall of described semicircle steel plate is provided with grout hole and returns the slurry hole, described grout hole is welded with the short tube that is connected with the pump line that is in the milk, and the inwall of described semicircle steel plate is provided with shear key;
2. the standpipe clip of said apparatus and the periphery of location clip are provided with sealing rubber strip respectively;
3. respectively standpipe clip and standpipe are fixed, will locate clip and the fixing of jacket steel pipe after;
4. will locate the short tube that is provided with on the clip and be connected, carry out grout injection with the grouting pump line, until return starch have cement grout to overflow in the hole till;
5. treat that slurries solidify, promptly finish the inventive method.
The side of described semicircle steel plate is respectively arranged with bolt hole, and wherein a side flexibly connects by the d-axis steel pin, and the described bolt hole of opposite side is used for plugging together mutually with lock bolt.
Be provided with triangular form between the described bolt hole and strengthen gusset.
The external surface of described standpipe clip, supporting steel pipe and location clip is provided with corrosion-inhibiting coating.
The invention has the beneficial effects as follows:
1. the technical program adopts the location clip to be formed the characteristics of the cylinder-like structure of a cavity by 2 doughnut-shaped steel plate make-ups and jacket steel pipe, in cavity, can carry out the can of cement paste, after cement paste solidifies, can make locator card hoop and jacket steel pipe permanent fixation, thereby make fixedlying connected of the firm maintenance of standpipe clip and standpipe, and then guaranteed the safety of standpipe, having solved conventional location down clip only depends on the frictional force of rubber ring to be fixed on the jacket steel pipe, under the long-term cyclic loading effect of ocean current, easy to wear and loosening problem.
2. apparatus of the present invention cost is low, easy to use, can widely apply in the newly-built standpipe design of affiliated field and South Sea jacket platform, because this device can effectively be avoided standpipe damage and vibration, therefore, without the wearing and tearing and the loosening situation of running check rubber spacer and fastening bolt, reduce and avoided for the maintenance of submerged riser and change operation, reduced the maintenance cost in oil field.
3. apparatus of the present invention can be carried out prefabricated and application in advance on land, and carry out seal tightness test, have guaranteed the quality of sealing, anticorrosion, Welding Testing.
4. the present invention adopts the method for implementing fill water mud under water that pipeline is fixed, and it is easy to operate, has avoided implementing in the prior art the fixing drawback of welding.
5. the present invention can design according to the concrete size of each platform jacket steel pipe, wide adaptability, promotion and application widely in the standpipe design of the South Sea, this area deep water jacket.
Description of drawings
Fig. 1 is apparatus of the present invention open mode structural representation.
Fig. 2 is apparatus of the present invention closure state structural representation.
Fig. 3 is that the present invention installs back broken section structural representation.
Reference numeral:
1. standpipe clip 2. supporting steel pipes 3. location clips 4. d-axis steel pins 5. reinforcement gussets 6 return slurry hole 7. grout holes
8 install hanger 9. sealing joint strips 10. shear key 11 lock bolts 12. jacket steel pipes 13 standpipes
14 cavitys, 15 cement paste layers
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described further:
As shown in Figure 1, apparatus of the present invention comprise the supporting steel pipe 2 that an end is connected with standpipe clip 1, the other end of described supporting steel pipe 2 is connected with location clip 3, and described standpipe clip, supporting steel pipe and location clip all are that high-strength shipbuilding section is made, and its external surface is coated with corrosion-inhibiting coating; Described location clip 3 is to be made of 2 semicircle steel plate make-ups, each side of described semicircle steel plate all is provided with bolt hole, wherein the bolt hole of a side is to flexibly connect by d-axis steel pin 4, and promptly during closure or openness, d-axis steel pin 4 plays the effect of a rotating shaft; After the bolt hole of described another side is used for fastening lock bolt 11 is inserted its hole; The present invention is provided with triangular form and strengthens gusset 5 in order to increase the intensity that semicircle steel plate side connects between described bolt hole; The periphery of semicircle steel plate of the present invention also is provided with sealing joint strip 9, described sealing joint strip 9 will have certain thickness, when with semicircle steel plate when being buckled on the jacket steel pipe 12, just formed an annular seal space between semicircle steel plate and the jacket steel pipe, described annular seal space is cavity 14, be used for fill water mud layer 15 in the described cavity 14, in order to implement can, the outer wall of described semicircle steel plate is provided with grout hole 7 and returns slurry hole 6, can weld a short tube on the described grout hole 7, when can, with short tube and grouting pump line is connected just can, described grouting is and has been poured into slurries and starches till the hole overflows from returning, and better is set in the cavity in order to make the slurries after the can, on the inwall of described semicircle steel plate, many shear key 10 to be set, so just can improve the fixed effect after mud solidifies.
The fixing means of said apparatus of the present invention is undertaken by following step:
At first prepare the clamp device by said structure, carry out the coating processing of corrosion-inhibiting coating at the external surface of clamp device, it is standby to treat that corrosion-inhibiting coating dries the back;
When implementing to install, the standpipe clip of above-mentioned standby clamp device and the periphery of location clip are provided with sealing rubber strip respectively;
After setting sealing rubber strip, with standpipe clip clip on standpipe, screw bolt tightening, to locate the clip make-up again on the jacket steel pipe, screw bolt tightening, because sealing joint strip has certain thickness,, locate between clip and the jacket steel pipe and just formed an annular seal space when locate the clip make-up on the jacket steel pipe time;
To locate the short tube that is provided with on the clip then and be connected with the grouting pump line, and open grout pump, cement injection slurries in annular seal space have cement grout to overflow in returning the slurry hole, promptly stop perfusion;
After cement grout to be filled solidifies, promptly realize this under water standpipe fixing construction is set.
Embodiment recited above only is the description to optimal way of the present invention; it is not qualification to inventive concept and scope; under the prerequisite that does not break away from the design's thought; common engineers and technicians have done this technical scheme in this area various distortion and improvement all belong to protection scope of the present invention.
Claims (10)
1. the novel clamp device of a grouted solid ocean platform standpipe, the supporting steel pipe that comprises an end and standpipe clamp connection, it is characterized in that, the other end of described supporting steel pipe is connected with the location clip, described location clip is made of the cylinder-like structure that 2 semicircle steel plate make-ups and jacket steel pipe form a cavity, be used for the fill water mud layer in the described cavity, the outer wall of described semicircle steel plate is provided with grout hole and returns the slurry hole, described grout hole is welded with the short tube that is connected with the pump line that is in the milk, and the inwall of described semicircle steel plate is provided with shear key.
2. the novel clamp device of grouted solid ocean platform standpipe according to claim 1 is characterized in that the periphery of described semicircle steel plate is provided with sealing joint strip.
3. the novel clamp device of grouted solid ocean platform standpipe according to claim 1, it is characterized in that, the side of described semicircle steel plate is respectively arranged with bolt hole, and wherein a side flexibly connects by the d-axis steel pin, and the described bolt hole of opposite side is used for plugging together mutually with lock bolt.
4. the novel clamp device of grouted solid ocean platform standpipe according to claim 1 is characterized in that, is provided with triangular form between the described bolt hole and strengthens gusset.
5. the novel clamp device of grouted solid ocean platform standpipe according to claim 1 is characterized in that, described standpipe clip, supporting steel pipe and location clip are that high-strength shipbuilding section is made.
6. the novel clamp device of grouted solid ocean platform standpipe according to claim 1 is characterized in that the external surface of described standpipe clip, supporting steel pipe and location clip is provided with corrosion-inhibiting coating.
7. the fixing means of the novel clamp device of claim 1 an ocean platform standpipe is characterized in that, comprises the steps:
1. prepare the clamp device, described device comprises the supporting steel pipe of an end and standpipe clamp connection, the other end of described supporting steel pipe is connected with the location clip, described location clip is made of the cylinder-like structure that 2 semicircle steel plate make-ups and jacket steel pipe form a cavity, be used for the fill water mud layer in the described cavity, the outer wall of described semicircle steel plate is provided with grout hole and returns the slurry hole, described grout hole is welded with the short tube that is connected with the pump line that is in the milk, and the inwall of described semicircle steel plate is provided with shear key;
2. the standpipe clip of said apparatus and the periphery of location clip are provided with sealing rubber strip respectively;
3. respectively standpipe clip and standpipe are fixed, will locate clip and the fixing of jacket steel pipe after;
4. will locate the short tube that is provided with on the clip and be connected, carry out grout injection with the grouting pump line, until return starch have cement grout to overflow in the hole till;
5. treat that slurries solidify, promptly finish the inventive method.
8. fixing means according to claim 7 is characterized in that the side of described semicircle steel plate is respectively arranged with bolt hole, and wherein a side flexibly connects by the d-axis steel pin, and the described bolt hole of opposite side is used for plugging together mutually with lock bolt.
9. method according to claim 7 is characterized in that, is provided with triangular form between the described bolt hole and strengthens gusset.
10. method according to claim 7 is characterized in that, the external surface of described standpipe clip, supporting steel pipe and location clip is provided with corrosion-inhibiting coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102938244A CN101956388B (en) | 2010-09-27 | 2010-09-27 | Novel clamp device and fixing method for grouting risers of ocean platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102938244A CN101956388B (en) | 2010-09-27 | 2010-09-27 | Novel clamp device and fixing method for grouting risers of ocean platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101956388A true CN101956388A (en) | 2011-01-26 |
| CN101956388B CN101956388B (en) | 2012-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102938244A Expired - Fee Related CN101956388B (en) | 2010-09-27 | 2010-09-27 | Novel clamp device and fixing method for grouting risers of ocean platform |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585306A (en) * | 2011-12-30 | 2012-07-18 | 合肥市石川工程机械有限公司 | Rubber sizing material of screw stator sleeve of prestressed vacuum grouting pump and preparation method thereof |
| CN102691284A (en) * | 2012-06-15 | 2012-09-26 | 中国海洋大学 | Axially sealed expansion type self-stress grouting clamp |
| CN103883270A (en) * | 2014-03-20 | 2014-06-25 | 中国海洋石油总公司 | Double-end vertical pipe clamp |
| CN104204360A (en) * | 2011-10-20 | 2014-12-10 | 关键产品有限公司 | Monopile transition piece |
| CN104896255A (en) * | 2015-04-22 | 2015-09-09 | 中国海洋石油总公司 | ROV operation-based maintenance clamp of flexible stand pipe |
| CN105756190A (en) * | 2016-04-22 | 2016-07-13 | 江苏建筑职业技术学院 | Fabricated circular steel tube truss tubular joint and machining and manufacturing method thereof |
| CN110107740A (en) * | 2019-05-08 | 2019-08-09 | 哈尔滨工程大学 | It is a kind of for handling the vertical stake support device of submarine pipeline suspended span |
| CN111075434A (en) * | 2019-11-29 | 2020-04-28 | 中国石油天然气集团有限公司 | Portable sound source device for acoustic logging instrument array receiving sound system field detection and using method thereof |
| CN111485580A (en) * | 2020-04-22 | 2020-08-04 | 中交第三航务工程局有限公司 | Method for repairing underwater cable-stayed suspension tunnel bullet hole |
| CN111485581A (en) * | 2020-04-22 | 2020-08-04 | 中交第三航务工程局有限公司 | Method for treating water leakage of underwater cable-stayed suspension tunnel |
| CN113718740A (en) * | 2021-07-22 | 2021-11-30 | 海洋石油工程股份有限公司 | Novel repairing and reinforcing method for jacket platform structure rod piece |
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2010
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104204360A (en) * | 2011-10-20 | 2014-12-10 | 关键产品有限公司 | Monopile transition piece |
| CN102585306A (en) * | 2011-12-30 | 2012-07-18 | 合肥市石川工程机械有限公司 | Rubber sizing material of screw stator sleeve of prestressed vacuum grouting pump and preparation method thereof |
| CN102585306B (en) * | 2011-12-30 | 2013-07-31 | 合肥市石川工程机械有限公司 | Rubber sizing material of screw stator sleeve of prestressed vacuum grouting pump and preparation method thereof |
| CN102691284A (en) * | 2012-06-15 | 2012-09-26 | 中国海洋大学 | Axially sealed expansion type self-stress grouting clamp |
| CN102691284B (en) * | 2012-06-15 | 2014-10-15 | 中国海洋大学 | Axially sealed expansion type self-stress grouting clamp |
| CN103883270A (en) * | 2014-03-20 | 2014-06-25 | 中国海洋石油总公司 | Double-end vertical pipe clamp |
| CN104896255A (en) * | 2015-04-22 | 2015-09-09 | 中国海洋石油总公司 | ROV operation-based maintenance clamp of flexible stand pipe |
| CN105756190A (en) * | 2016-04-22 | 2016-07-13 | 江苏建筑职业技术学院 | Fabricated circular steel tube truss tubular joint and machining and manufacturing method thereof |
| CN110107740A (en) * | 2019-05-08 | 2019-08-09 | 哈尔滨工程大学 | It is a kind of for handling the vertical stake support device of submarine pipeline suspended span |
| CN111075434A (en) * | 2019-11-29 | 2020-04-28 | 中国石油天然气集团有限公司 | Portable sound source device for acoustic logging instrument array receiving sound system field detection and using method thereof |
| CN111485580A (en) * | 2020-04-22 | 2020-08-04 | 中交第三航务工程局有限公司 | Method for repairing underwater cable-stayed suspension tunnel bullet hole |
| CN111485581A (en) * | 2020-04-22 | 2020-08-04 | 中交第三航务工程局有限公司 | Method for treating water leakage of underwater cable-stayed suspension tunnel |
| CN111485581B (en) * | 2020-04-22 | 2021-06-11 | 中交第三航务工程局有限公司 | Method for treating water leakage of underwater cable-stayed suspension tunnel |
| CN113718740A (en) * | 2021-07-22 | 2021-11-30 | 海洋石油工程股份有限公司 | Novel repairing and reinforcing method for jacket platform structure rod piece |
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