CN104092153A - Method for allowing plurality of submarine cables to penetrate through same J-shaped pipe - Google Patents
Method for allowing plurality of submarine cables to penetrate through same J-shaped pipe Download PDFInfo
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- CN104092153A CN104092153A CN201410364864.1A CN201410364864A CN104092153A CN 104092153 A CN104092153 A CN 104092153A CN 201410364864 A CN201410364864 A CN 201410364864A CN 104092153 A CN104092153 A CN 104092153A
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- shaped pipe
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Abstract
A method for allowing a plurality of submarine cables to penetrate through the same J-shaped pipe comprises the following steps that firstly, the J-shaped pipe is marked according to clock positions, and the clock positions of the upper opening correspond to the clock positions of the horn mouth at the bottom end one to one; secondly, a ball is hung at the lower end of a traction rope, the traction rope is placed in the J-shaped pipe from the upper opening of the J-shaped pipe and then returns to the upper opening after being pulled out of the bottom end of the J-shaped pipe, then a chain block is connected with the traction rope, and the traction rope is tightened to be straight and is closely attached to the position, close to the three o'clock position rightwards, of the wall of the J-shaped pipe; thirdly, the first step and the second step are repeated until a plurality of traction ropes penetrate in the J-shaped pipe; fourthly, operation of enabling the submarine cables to penetrate through the J-shaped pipe is conducted, wherein the submarine cables penetrate through the J-shaped pipe 1 in sequence and are tightened after being bound to the previous submarine cables, and the submarine cables are placed at the position, close to the nine o'clock position leftwards, of the wall of the J-shaped pipe. According to the method, when penetrating through the J-shaped pipe, the preinstalled and subsequent traction ropes and submarine cables cannot be intertwined with previously-installed traction ropes and submarine cables in an intersecting mode; it is guaranteed that the submarine cables can smoothly penetrate through the same J-shaped pipe in an unimpeded mode.
Description
Technical field
The present invention relates to the poling method of extra large cable, relate in particular to a kind of poling method that many extra large cables share a J-shaped pipe.Belong to ocean engineering field.
Background technology
In Development Engineering of Offshore Oilfield, often relate to multiple extra large cable, as: the electric heating cable of cable, optoelectronic composite cable, optical cable, control umbilical cables, pipe insulation, security protection cable, the external anode cable of platform etc.
The sea of sea cable is laid and is totally divided into two crucial operating point positions; the one: the standpipe section of extra large cable is laid; that is: in J-shaped pipe, carry out poling operation; wherein; J-shaped pipe has another name called extra large cable pillar; for preventing that the extra large cable of landing platform section from avoiding external force, as: the destruction of the environmental loads such as fishing net is pulled, ocean current impacts, wave beating and arrange, extra large cable is played to the effect of insulation blocking.The 2nd: the sea bed horizontal segment of extra large cable lays.For the poling operation of J-shaped pipe, conventional way is to pre-install steel cable as messenger in J-shaped pipe, by power winch traction messenger, brings extra large cable into J-shaped pipe, and pulls on platform.
Two kinds of the caliber 12 English inch (325mm) of common J-shaped pipe or 14 English inch (356mm) mostly were the corresponding single extra large cable of single J-shaped pipe in the past.Progressively raising along with production technique level, the foundation of the overtime military service of production platform, oilfield internal submarine pipeline security of operation environmental warning mechanism, some specific functions, extra large cable that diameter is thinner need to be set up in oil field, therefore, occurred that many extra large cables share the situation of a J-shaped pipe, as following situation:
The external anode cable of platform: offshore oil production platform underwater foundation frame part is commonly called as jacket, the steel-pipe welding not waited by diameter thickness forms.During building by land, taked the anti-corrosive properties technical finesse measure of sacrificial anode and protective cathode, the anode block of many finite lifetimes that have been welded on girder steel and steel leg.But for the platform that those military services are exceeded the time limit, oil field still has extraction value, anode block corrodes totally, jacket is faced lose the risk of anodic protection, and the anode that is welded again on steel pipe is difficult for realizing under water.For this reason; technical staff by external anode, on platform sea bed around, some anode blocks are installed, by several anode cables that are applied on platform, are communicated on the girder steel of design point position on platform; form electric circulation with water body; make it continue to be subject to the protection of anode; avoid the corrosion of seawater, to reaching the object that extends platform service life.This wherein, the laying of anode cable just relates to many extra large cables through the operation of a J-shaped pipe.
Security protection cable: at present, the ship grasp extension institute that mostly is that the in-service submarine pipeline of shallow sea water/extra large cable is damaged hinders.For putting in advance the generation of this type of event, offshore oilfield has been set up safety management early warning system.At platform, around on sea bed, sonar surveillance system is installed, by seabed security protection cable by the communication detecting to central control room, to entering the various ships of oil field region, implement real-time mobilism monitoring, location and early warning.This wherein also relates to that security protection cable lays and severally lays the operation that cable passes through a J-shaped pipe altogether.
For several extra large cables, pass through same J-shaped pipe, its potential risks are many " messengers " of prepackage, owing to lacking effective video detection methods, whether occur that intersection kinks not quite clear between messenger.And due to narrow space in J-shaped pipe, personnel cannot enter and check, employ high-tech means intelligent miniature robot enter pipe in omnidistance video inspection unrealistic again, just in case there is intersecting each other the situation kinking, subsequent job messenger can not pull extra large cable and pass through J-shaped pipe, if take the mode of stretching the meaning, certainly will damage extra large cable.Therefore, how to realize many extra large cables and share a J-shaped pipe, be the problem that construction technical staff is thought deeply, faced always.The present invention designs under this background.
Summary of the invention
Main purpose of the present invention is to overcome the above-mentioned shortcoming that prior art exists, and a kind of poling method that provides many extra large cables to share a J-shaped pipe, and it not only can make messenger, the extra large cable of prepackage stretching, tighten, and the some position that is close to tube wall design is fixed; And, make follow-up messenger, extra large cable when passing through J-shaped pipe, can mutually not intersect and kink with generation between the messenger of front dress, extra large cable; Thereby guaranteeing can be smooth, expedite through J-shaped pipe when many extra large cables are worn a J-shaped pipe altogether.
The object of the invention is to be realized by following technical scheme:
Many extra large cables share a poling method for a J-shaped pipe, it is characterized in that: adopt following steps:
The first step: in the bottom of J-shaped pipe 1 horn mouth and upper port, indicate according to hour position, and upper port is corresponding one by one with bell-mouthed position, bottom;
Second step: the messenger using wire line hitch as the extra large cable of traction, a spheroid is hung by the lower end system of messenger, from the upper port of J-shaped pipe along entering in J-shaped pipe, and from J-shaped pipe 1 bottom is extracted, turn back to again upper port, then, then connect messenger with a jack, and messenger is strained exceptionally straight, make messenger be close to the take over position of 3 of J-shaped tube wall;
The 3rd step: repeat the first step to second step until several messengers are penetrated in J-shaped pipe;
The 4th step: carry out the operation of wearing J-shaped pipe of extra large cable;
When 1. extra large cable is worn J-shaped pipe, by the bell-mouthed axis in the paving cable ship bottom at J-shaped pipe in place;
2. using the messenger that penetrates J-shaped pipe as the messenger of bringing extra large cable into; Upper end wire line hitch is connected on hoist engine, and the wire line hitch of lower end is connected on spheroid, then connects one section of spreading messenger, and spreading messenger is received on the head of the extra large cable that spreads cable ship;
3. platform hoist engine involves in messenger, spreads cable ship simultaneously and emits extra large cable, and spheroid, spreading messenger lead extra large cable to enter in J-shaped pipe, until draw the length that the upper port one of J-shaped pipe is set, more extra large cable is temporarily fixed in the upper port of J-shaped pipe;
4. paving cable accommodation moves to left, drive the extra large cable of horn mouth position, bottom to be moved to the left, and the tube wall that makes extra large cable be close to J-shaped pipe 9 positions of taking back, an extra large cable sling point is being installed near bell-mouthed position, bottom in bottom, then, with jack is stretching, tighten, paving cable ship is got back to original position, and prepares laying of extra large cable sea bed horizontal segment;
5. repeat (1) above-mentioned-(4) step, extra large cable is below pierced in J-shaped pipe 1 successively, with tension after extra large cable binding above, and place 9 positions of tube wall of taking back.
Described hour position is to carry out according to 3,6,9,12 signs; Wherein, personnel, in the face of J-shaped pipe bottom horn mouth, are defined as 12 points by bell-mouthed upper edge, bottom, and right-hand side is defined as 3 points, and along being defined as 6 points, left side is defined as 9 points at the end; The inner side of upper port is defined as 12 points, and distally is defined as 6 points, and the right hand is defined as 3 points, and left hand is defined as 9 points.
The two ends band eye splice of described wire line hitch.
Described spheroid is more than or equal to extra large cable diameter.
Described extra large cable sling point: be to curl extra large cable by flat sling to form several weeks.
Placement is tightened in described messenger 3 positions that take over, and extra large cable adds suspender belt by steel wire rope to be lifted from exceptionally straight 9 positions of taking back of tension, bottom surface and place, that is: all prepackage messengers are placed on bell-mouthed right side, bottom, and the extra large cable of rear dress retrodeviates left side with flat sling binding and places.
Beneficial effect of the present invention: the present invention is owing to adopting technique scheme, and it not only can make messenger, the extra large cable of prepackage stretching, tighten, and the some position that is close to tube wall design is fixed; And, make follow-up messenger, extra large cable when passing through J-shaped pipe, can mutually not intersect and kink with generation between the messenger of front dress, extra large cable; Thereby guaranteeing can be smooth, expedite through J-shaped pipe when many extra large cables are worn a J-shaped pipe altogether.
Accompanying drawing explanation
Fig. 1 is J-shaped pipe schematic diagram of the present invention.
Fig. 2 is that J-shaped pipe messenger of the present invention, extra large cable are placed schematic diagram.
Fig. 3 is messenger of the present invention, spherical, extra large cable end connection diagram.
Fig. 4 is platform J-shaped pipe schematic diagram of the present invention.
Major label description in figure:
1.J shape pipe, 2. upper port, 3. bottom horn mouth, 4. hour position, 5. messenger, 6. spheroid, 7. extra large cable, 8. suspender belt, 9. tighten rope, 10. shackle.
Embodiment
As shown in Fig. 1-Fig. 4, the present invention adopts following steps:
The first step: as shown in Figure 2, in the bottom of J-shaped pipe 1 horn mouth 3 and upper port 2, carry out 3,6,9,12 according to hour position and indicate; Wherein, personnel, in the face of the bottom horn mouth 3 of J-shaped pipe 1, are defined as 12 points by the upper edge of bottom horn mouth 3, and right-hand side is defined as 3 points, and along being defined as 6 points, left side is defined as 9 points at the end; The inner side of upper port 2 is defined as 12 points, and distally is defined as 6 points, and the right hand is defined as 3 points, and left hand is defined as 9 points, and upper port 2 is corresponding one by one with the some position of bottom horn mouth 3;
Second step: the messenger 5 using the wire line hitch of two ends band eye splice as the extra large cable of traction, a spheroid 6 that is more than or equal to extra large cable diameter is hung by the lower end system of messenger 5, from the upper port 2 of J-shaped pipe 1 along entering in J-shaped pipe 1, and from the bottom of J-shaped pipe 1 is extracted, turn back to again upper port 2, then, then with jack, connect the two ends eye splice of messenger 5, and messenger 5 tension is exceptionally straight, make messenger 5 be close to the take over position of 3 of J-shaped pipe 1 tube wall;
The 3rd step: repeat the first step to second step until several messengers 5 are penetrated in J-shaped pipe 1;
The 4th step: carry out the operation of wearing J-shaped pipe 1 of extra large cable 7;
(1) when extra large cable 7 is worn J-shaped pipe 1, paving cable ship is in place on the axis of the bottom of J-shaped pipe 1 horn mouth 3;
(2) using the messenger 5 that penetrates J-shaped pipe 1 as the messenger of bringing extra large cable 7 into; The wire line hitch of upper end band eye splice is connected on hoist engine, the wire line hitch of lower end band eye splice is connected on spheroid 6, connect one section of spreading messenger that is more than or equal to J-shaped pipe 1 length again, and spreading messenger is received on the head of the extra large cable 7 that spreads cable ship, platform hoist engine involves in messenger 5;
(3) platform hoist engine involves in messenger, spreads cable ship simultaneously and emits extra large cable 7, and spheroid 6, spreading messenger lead extra large cable 7 to enter in J-shaped pipe 1, until draw the length that the upper port 2 one of J-shaped pipe 1 is set, more extra large cable 7 is temporarily fixed in the upper port 2 of J-shaped pipe 1;
(4) paving cable accommodation moves to left, drive the extra large cable 7 of horn mouth 3 positions, bottom to be moved to the left, and make extra large cable 7 be close to 9 positions of tube wall of J-shaped pipe 1, an extra large cable sling point is installed in the position near bottom horn mouth 3 in bottom, then, with jack is stretching, tighten, and be close to 12 biased 9 positions placements of tube wall, paving cable ship is got back to original position, and prepares laying of extra large cable sea bed horizontal segment.
(5) repeat (1) above-mentioned-(4) step, extra large cable 7 is below pierced in J-shaped pipe 1 successively, with tension after the binding of article one sea cable, and be close to left tube wall; Wherein, as shown in Figure 3, placement is tightened in messenger 53 positions that take over of prepackage, the extra large cable 7 of rear dress adds suspender belt 8 and lifts from exceptionally straight 9 positions of taking back of bottom surface tension and place by tightening rope 9, that is: all prepackage messengers 5 are placed on the right side of bottom horn mouth 3, and extra large cable 7 use flat sling 8 bindings of rear dress retrodeviate left side and place.
Above-mentioned extra large cable sling point: be to curl extra large cable by flat sling 8 to form for 7 several weeks.
Above-mentioned spheroid, suspender belt, steel wire rope, shackle are prior art, and the technology of not specified (NS) is prior art.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all still belong in the scope of technical solution of the present invention.
Claims (6)
1. more than extra large cable shares a poling method for a J-shaped pipe, it is characterized in that: adopt following steps:
The first step: in the bottom of J-shaped pipe horn mouth and upper port, indicate according to hour position, and upper port is corresponding one by one with bell-mouthed position, bottom;
Second step: the messenger using wire line hitch as the extra large cable of traction, a spheroid is hung by the lower end system of messenger, from the upper port of J-shaped pipe along entering in J-shaped pipe, and from J-shaped pipe bottom is extracted, turn back to again upper port, then, then connect messenger with a jack, and messenger is strained exceptionally straight, make messenger be close to the take over position of 3 of J-shaped tube wall;
The 3rd step: repeat the first step to second step until several messengers are penetrated in J-shaped pipe;
The 4th step: carry out the operation of wearing J-shaped pipe of extra large cable;
(1) when extra large cable is worn J-shaped pipe, by the bell-mouthed axis in the paving cable ship bottom at J-shaped pipe in place;
(2) using the messenger that penetrates J-shaped pipe as the messenger of bringing extra large cable into; Upper end wire line hitch is connected on hoist engine, and the wire line hitch of lower end is connected on spheroid, then connects one section of spreading messenger, and spreading messenger is received on the head of the extra large cable that spreads cable ship;
(3) platform hoist engine involves in messenger, spreads cable ship simultaneously and emits extra large cable, and spheroid, spreading messenger lead extra large cable to enter in J-shaped pipe, until draw the length that the upper port one of J-shaped pipe is set, more extra large cable is temporarily fixed in the upper port of J-shaped pipe;
(4) move to left and spread cable accommodation, drive the extra large cable of horn mouth position, bottom to be moved to the left, and the tube wall that makes extra large cable be close to J-shaped pipe 9 positions of taking back, an extra large cable sling point is being installed near bell-mouthed position, bottom in bottom, then, with jack is stretching, tighten, paving cable ship is got back to original position, and prepares laying of extra large cable sea bed horizontal segment;
(5) repeat (1) above-mentioned-(4) step, extra large cable is below pierced in J-shaped pipe 1 successively, with tension after extra large cable binding above, and place 9 positions of tube wall of taking back.
2. many extra large cables according to claim 1 share the poling method of a J-shaped pipe, it is characterized in that: described hour position is to carry out according to 3,6,9,12 signs; Wherein, personnel, in the face of J-shaped pipe bottom horn mouth, are defined as 12 points by bell-mouthed upper edge, bottom, and right-hand side is defined as 3 points, and along being defined as 6 points, left side is defined as 9 points at the end; The inner side of upper port is defined as 12 points, and distally is defined as 6 points, and the right hand is defined as 3 points, and left hand is defined as 9 points.
3. many extra large cables according to claim 1 share the poling method of a J-shaped pipe, it is characterized in that: the two ends band eye splice of described wire line hitch.
4. many extra large cables according to claim 1 share the poling method of a J-shaped pipe, it is characterized in that: described spheroid is more than or equal to extra large cable diameter.
5. many extra large cables according to claim 1 share the poling method of a J-shaped pipe, it is characterized in that: described extra large cable sling point: be by flat sling, to curl extra large cable to form several weeks.
6. many extra large cables according to claim 1 share the poling method of a J-shaped pipe, it is characterized in that: placement is tightened in described messenger 3 positions that take over, sea cable adds suspender belt by steel wire rope and lifts from exceptionally straight 9 positions of taking back of bottom surface tension and place, that is: all prepackage messengers are placed on bell-mouthed right side, bottom, and the extra large cable of rear dress retrodeviates left side with flat sling binding and places.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410364864.1A CN104092153B (en) | 2014-07-29 | 2014-07-29 | A plurality of sea cable shares the pipe penetration method of a J-shaped pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410364864.1A CN104092153B (en) | 2014-07-29 | 2014-07-29 | A plurality of sea cable shares the pipe penetration method of a J-shaped pipe |
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| CN104092153A true CN104092153A (en) | 2014-10-08 |
| CN104092153B CN104092153B (en) | 2016-09-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107247320A (en) * | 2017-05-16 | 2017-10-13 | 天津亿利科能源科技发展股份有限公司 | A kind of method that seabed armored optical cable steps on ocean platform |
| CN108493842A (en) * | 2018-05-07 | 2018-09-04 | 北京特种机械研究所 | A kind of firing box electrically vertical threader and threading method |
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| JP2001112135A (en) * | 1999-10-08 | 2001-04-20 | Hitachi Cable Ltd | Optical cable gas compressive feed technique |
| CN102208779A (en) * | 2011-02-11 | 2011-10-05 | 杨鸿杰 | Method for rapidly inserting cable into sleeve |
| CN102332695A (en) * | 2011-08-31 | 2012-01-25 | 中国海洋石油总公司 | Lifting method of submarine cable terminal landing platform |
| CN202495713U (en) * | 2012-03-27 | 2012-10-17 | 十堰市正发汽车零部件有限公司 | Rapid pipe penetrating device of corrugated pipe |
| CN202663032U (en) * | 2012-02-24 | 2013-01-09 | 辽宁省电力有限公司本溪供电公司 | Connecting buckle for hauling cable |
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2014
- 2014-07-29 CN CN201410364864.1A patent/CN104092153B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001112135A (en) * | 1999-10-08 | 2001-04-20 | Hitachi Cable Ltd | Optical cable gas compressive feed technique |
| CN102208779A (en) * | 2011-02-11 | 2011-10-05 | 杨鸿杰 | Method for rapidly inserting cable into sleeve |
| CN102332695A (en) * | 2011-08-31 | 2012-01-25 | 中国海洋石油总公司 | Lifting method of submarine cable terminal landing platform |
| CN202663032U (en) * | 2012-02-24 | 2013-01-09 | 辽宁省电力有限公司本溪供电公司 | Connecting buckle for hauling cable |
| CN202495713U (en) * | 2012-03-27 | 2012-10-17 | 十堰市正发汽车零部件有限公司 | Rapid pipe penetrating device of corrugated pipe |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107247320A (en) * | 2017-05-16 | 2017-10-13 | 天津亿利科能源科技发展股份有限公司 | A kind of method that seabed armored optical cable steps on ocean platform |
| CN108493842A (en) * | 2018-05-07 | 2018-09-04 | 北京特种机械研究所 | A kind of firing box electrically vertical threader and threading method |
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| CN104092153B (en) | 2016-09-14 |
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Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: Offshore Oil Engineering Co., Ltd. Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: Offshore Oil Engineering Co., Ltd. Patentee before: China National Offshore Oil Corporation |