CN104421491A - Operation device and operation method for deepwater hanging subsea pipeline - Google Patents
Operation device and operation method for deepwater hanging subsea pipeline Download PDFInfo
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- CN104421491A CN104421491A CN201310367936.3A CN201310367936A CN104421491A CN 104421491 A CN104421491 A CN 104421491A CN 201310367936 A CN201310367936 A CN 201310367936A CN 104421491 A CN104421491 A CN 104421491A
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- submerged pipeline
- extra large
- support beam
- pitching pile
- pile
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/02—Installations of electric cables or lines in or on the ground or water laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
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Abstract
The invention relates to an operation device and an operation method for a deepwater hanging subsea pipeline. The operation device is characterized by comprising a support pile for supporting the subsea pipeline, a mounting rack for guiding, positioning and pitching guiding of the subsea pipeline, and a pipe clamp for lifting the subsea pipeline. The support pile is positioned by the mounting rack, the subsea pipeline is protected in a piling process, so that the support for the hanging subsea pipeline can be achieved; and the spanning length of the subsea pipeline is effectively shortened, a phenomenon that a floating subsea pipeline segment generates vortex-induced vibration to cause breakage of the subsea pipeline due to long spanning length is avoided, and the safety of deepwater subsea pipeline is effectively ensured.
Description
Technical field
The present invention relates to working equipment and the operational method of the process of a kind of submerged pipeline suspended span section, particularly uphang working equipment across submerged pipeline process and operational method about a kind of for deep water.
Background technique
Submerged pipeline is the important component part of offshore oilfield production system, but due to the scouring a hole effect of ocean current, takes away the silt under submerged pipeline, make submerged pipeline be in vacant state on sea bed.Unsettled submerged pipeline, under the washing away of ocean current and wave, produces Vortex-excited vibration, if the dynamic stress that this vibration causes exceedes fatigue limit, extra large pipe will produce stress in the most serious unsettled part and concentrate and produce fatigue crack.When submerged pipeline local location exceedes certain surrender Ji County, then very likely rupture, cause crude oil and the marine significant pollution accident such as to leak outside, not only cause sea pollution and great economic loss, also can produce severe social influence.The unsettled method of current process submerged pipeline generally has that throwing engages coating, flexible hose, throwing sand pocket cover in conjunction with bionic aquatic weed, but there is respective defect equally, throwing engages the generation that coating can cannot prevent secondary from washing away, and has simultaneously and again washes in a pan empty possibility, unstable; Flexible hose needs to stop production and changes, and simultaneously because flexible pipe franchise property is strong, cost of investment is higher; Throwing sand pocket covers in conjunction with bionic aquatic weed and is unsuitable for unsettled too high situation, and bionic aquatic weed franchise property is comparatively strong, and cost of investment is higher, and simultaneously because underwater operation amount is large, the marine duration is longer.Along with offshore oil exploitation is gradually towards deep water sea area development, the geology characteristic of deep water sea area is more complicated, and deep-water subsea pipeline easily occurs that suspended span is highly high, the phenomenon that suspended span length is long.Conventional submerged pipeline suspended span processing method economically and effective can not solve the problem of uphanging across, deep water sea pipe suspended span.
Present patent application proposes a kind of deep water that can be used in just in this context and uphangs working equipment across submerged pipeline process and operational method.
Summary of the invention
Main purpose of the present invention is the above-mentioned shortcoming overcoming prior art existence; and a kind of working equipment for free spanning submarine pipelines process and operational method are provided; the location of supporting pile is realized by scaffold; and in the process of piling, submerged pipeline is protected; realize to uphang across the support of submerged pipeline; and effectively shorten the suspended span length of submerged pipeline; avoid because suspended span length is excessive; submerged pipeline unsettled section of vortex-induced vibration produced under flow action causes submerged pipeline to rupture, and effectively ensure that the work of deep-water subsea pipeline safety.
The object of the invention is to be realized by following technological scheme:
Uphang the working equipment across submerged pipeline process for deep water, it is characterized in that: it comprises one for supporting the supporting pile of submerged pipeline, one for the scaffold of submerged pipeline guiding, location and pitching pile guiding, and one carries pipe clamp for what promote submerged pipeline; Wherein said supporting pile comprises a piling bar, described piling bar is provided with a telescopic extra large pipe support beam, described extra large pipe support beam tail end connecting fluid compressing cylinder, the described hydraulic jack the other end connects a hydraulic jack support beam, and described hydraulic jack support beam and described piling bar are welded to connect; Described scaffold comprises a main frame, described main frame bottom is provided with two cover piston shoes, described piston shoes and described main frame Flange joint, described main frame both sides are provided with two to extra large pipe positioning guiding rack, described extra large pipe positioning guiding rack is fixed on described main frame by limiting card, described main frame is provided with two cover pitching pile guiding devices, and the described pitching pile guiding device of often overlapping comprises a telescopic upper pitching pile guide cylinder, a lower pitching pile guide cylinder being fixed on main frame; Described pipe clamp of carrying comprises a pulling yoke, and described pulling yoke and two panels pipe clamp adjacent end portion are articulated and connected, and described pulling yoke overlaps hydraulic jack with two panels pipe clamp both side ends by two and is connected.
Described piling bar is provided with described hydraulic jack and drives described extra large pipe support beam can carry out the slideway stretched.
Described extra large pipe positioning guiding rack adopts servo-actuated design, can relatively slide up and down by main frame.
Described upper pitching pile guide cylinder is made up of two-part, and every part is connected with main frame by slideway, and the every part middle part of described upper pitching pile guide cylinder connecting fluid compressing cylinder respectively, the described hydraulic jack the other end is connected with main frame respectively.
Described lower pitching pile guide cylinder is provided with the notch be convenient to supporting pile and passed through.
The pitching pile for supporting pile taken over respectively by described two cover pitching pile guiding devices.
Uphang an operational method for the working equipment across submerged pipeline process for deep water, comprise the following steps:
(1) assisted under water by ROV, make extra large pipe positioning guiding rack through suspended span submerged pipeline, complete scaffold in place;
(2) by vibration hammer under water, supporting pile is mentioned, insert the upper pitching pile guide cylinder on scaffold, by ROV auxiliary adjustment supporting pile direction under water;
(3) supporting pile is by deadweight as used vibration hammer under water to carry out preliminary pile sinking after mud, stops to the extra large pipe support beam position on supporting pile close to after upper pitching pile guiding nozzle;
(4) drive the hydraulic jack that is connected with upper pitching pile guide cylinder, upper pitching pile guide cylinder retraction, separately, extra large pipe support beam and vibration hammer under water to be led nozzle by upper pitching pile upper pitching pile guide cylinder two-part, and continuation is driven piles to piling bar driving depth to designed depth;
(5) two are carried pipe clamp and be stuck in the two ends that submerged pipeline closes on scaffold respectively, connected by deck winch and carry pipe clamp, submerged pipeline is promoted to the extra large pipe support beam upper-end part of driving on supporting pile;
(6) drive the hydraulic jack be connected with extra large pipe support beam, extra large pipe support beam is stretched out, transfer submerged pipeline to extra large pipe support beam, unclamp and carry pipe clamp.
(7) reclaim successively and carry pipe clamp, under water vibration hammer, scaffold, and repeat step (1) to (6), at submerged pipeline opposite side, next root supporting pile is installed.
Beneficial effect of the present invention: the present invention is owing to adopting technique scheme; the location of supporting pile is realized by scaffold; and in the process of piling, submerged pipeline is protected; realize to uphang across the support of submerged pipeline; and effectively shorten the suspended span length of submerged pipeline; avoid because suspended span length is excessive, submerged pipeline unsettled section of vortex-induced vibration produced under flow action causes submerged pipeline to rupture, and effectively ensure that the work of deep-water subsea pipeline safety.
Below in conjunction with drawings and Examples, the present invention will be further described.
Accompanying drawing illustrates:
Fig. 1 is suspended span sea pipe supporting pile fitting arrangement.
Fig. 2 is supporting pile layout plan.
Fig. 3 is scaffold layout plan.
Fig. 4 is for carrying pipe schematic diagram.
Fig. 5 is for carrying pipe clamp structure figure.
Fig. 6 is that suspended span sea pipe supports schematic diagram.
Major label description in figure:
1-supporting pile; 2-vibration hammer under water; 3-scaffold; 4-carry pipe clamp; 5-submerged pipeline; 6-piling bar; 7-extra large pipe support beam; 8-hydraulic jack; 9-hydraulic jack support beam; 10-main frame; 11-piston shoes; 12-extra large pipe positioning guiding rack; 13-upper pitching pile guide cylinder; 14-lower pitching pile guide cylinder; 15-hydraulic jack; 16-pulling yoke; 17-pipe clamp; 18-hydraulic jack.
Embodiment
Below in conjunction with accompanying drawing and example, the present invention is described in detail.
As shown in Fig. 1,4, the present invention includes one for supporting the supporting pile 1 of submerged pipeline, one scaffold 3 led for submerged pipeline guiding, location and pitching pile, one carries pipe clamp 4 for what promote submerged pipeline, driven piles by vibration hammer 2 under water, make the driving depth of the main body piling bar 6 of supporting pile reach designed depth, submerged pipeline 5 is promoted to the bearing height of supporting pile by carrying pipe clamp 4 simultaneously.
As shown in Figure 2, supporting pile 1 comprises a piling bar 6, and piling bar 6 is provided with a telescopic extra large pipe support beam 7, extra large pipe support beam 7 tail end connecting fluid compressing cylinder 8, hydraulic jack 8 the other end connects a hydraulic jack support beam 9, and hydraulic jack support beam 9 and piling bar 6 are welded to connect.Piling bar 6 is provided with hydraulic jack 8 and drives extra large pipe support beam 7 can carry out the slideway stretched.
As shown in Figure 3, scaffold 3 comprises a main frame 10, main frame 10 bottom is provided with two cover piston shoes 11, often overlap piston shoes 11 and main frame 10 Flange joint, main frame 10 both sides are provided with two to extra large pipe positioning guiding rack 12, and extra large pipe positioning guiding rack 12 is fixed on main frame 10 by limiting card, and main frame 10 is provided with two cover pitching pile guiding devices, often overlap pitching pile guiding device and comprise the lower pitching pile guide cylinder 14 that a telescopic upper pitching pile guide cylinder 13, is fixed on main frame 10.Upper pitching pile guide cylinder 13 is made up of two-part, and every part is connected with main frame 10 by slideway, and the every part middle part of upper pitching pile guide cylinder 13 connecting fluid compressing cylinder 15 respectively, hydraulic jack 15 the other end is connected with main frame 10 respectively.Lower pitching pile guide cylinder 14 is provided with the notch be convenient to supporting pile 1 and passed through.
As shown in Figure 5, carry pipe clamp 4 and comprise a pulling yoke 16, pulling yoke 16 and two panels pipe clamp 17 adjacent end portion are articulated and connected, and pulling yoke 16 overlaps hydraulic jack 18 with two panels pipe clamp 17 both side ends by two and is connected.
As shown in Figure 6, adjacent supports stake 1 is placed in submerged pipeline 5 both sides respectively.
The operational method of free spanning submarine pipelines processing operation equipment of the present invention, comprises the following steps:
(1) assisted under water by ROV, make extra large pipe positioning guiding rack 12 through suspended span submerged pipeline 5, complete scaffold 3 in place;
(2) pass through vibration hammer 2 under water supporting pile 1 is mentioned, insert the upper pitching pile guide cylinder 13 on scaffold 3, by ROV auxiliary adjustment supporting pile 1 direction under water;
(3) supporting pile 1 is by deadweight as used vibration hammer 2 under water to carry out preliminary pile sinking after mud, stops to extra large pipe support beam 7 position on supporting pile 1 close to after upper pitching pile guide cylinder 13 mouthfuls;
(4) drive the hydraulic jack 15 be connected with upper pitching pile guide cylinder 13, upper pitching pile guide cylinder 13 bounces back, separately, extra large pipe support beam 7 is with vibration hammer 2 is by upper pitching pile guide cylinder 13 mouthfuls under water, and continuation is driven piles to piling bar 6 driving depth to designed depth for upper pitching pile guide cylinder 13 two-part;
(5) two are carried pipe clamp 4 and be stuck in the two ends that submerged pipeline 5 closes on scaffold 3 respectively, connected by deck winch and carry pipe clamp 4, submerged pipeline 5 is promoted to extra large pipe support beam 7 upper-end part of driving on supporting pile 1;
(6) drive the hydraulic jack 8 be connected with extra large pipe support beam 7, extra large pipe support beam 7 is stretched out, transfers submerged pipeline 5 to extra large pipe support beam 7, unclamp and carry pipe clamp 4;
(7) reclaim successively and carry pipe clamp 4, under water vibration hammer 2, scaffold 3, and repeat step (1) to (6), at submerged pipeline 5 opposite side, next root supporting pile 1 is installed.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (7)
1. uphang working equipment across submerged pipeline process for deep water for one kind, it is characterized in that: it comprises one for supporting the supporting pile of submerged pipeline, one for the scaffold of submerged pipeline guiding, location and pitching pile guiding, and one carries pipe clamp for what promote submerged pipeline; Wherein said supporting pile comprises a piling bar, described piling bar is provided with a telescopic extra large pipe support beam, described extra large pipe support beam tail end connecting fluid compressing cylinder, the described hydraulic jack the other end connects a hydraulic jack support beam, and described hydraulic jack support beam and described piling bar are welded to connect; Described scaffold comprises a main frame, described main frame bottom is provided with two cover piston shoes, described piston shoes and described main frame Flange joint, described main frame both sides are provided with two to extra large pipe positioning guiding rack, described extra large pipe positioning guiding rack is fixed on described main frame by limiting card, described main frame is provided with two cover pitching pile guiding devices, and the described pitching pile guiding device of often overlapping comprises a telescopic upper pitching pile guide cylinder, a lower pitching pile guide cylinder being fixed on main frame; Described pipe clamp of carrying comprises a pulling yoke, and described pulling yoke and two panels pipe clamp adjacent end portion are articulated and connected, and described pulling yoke overlaps hydraulic jack with two panels pipe clamp both side ends by two and is connected.
2. according to claim 1ly a kind ofly uphang working equipment across submerged pipeline process for deep water, it is characterized in that: described piling bar is provided with described hydraulic jack and drives described extra large pipe support beam can carry out the slideway stretched.
3. according to claim 1ly a kind ofly uphang working equipment across submerged pipeline process for deep water, it is characterized in that: described extra large pipe positioning guiding rack adopts servo-actuated design, can relatively slide up and down by main frame.
4. according to claim 1ly a kind ofly uphang working equipment across submerged pipeline process for deep water, it is characterized in that: described upper pitching pile guide cylinder is made up of two-part, every part is connected with main frame by slideway, the every part middle part of described upper pitching pile guide cylinder connecting fluid compressing cylinder respectively, the described hydraulic jack the other end is connected with main frame respectively.
5. according to claim 1ly a kind ofly uphang working equipment across submerged pipeline process for deep water, it is characterized in that: described lower pitching pile guide cylinder is provided with the notch be convenient to supporting pile and passed through.
6. according to claim 1ly a kind ofly uphang working equipment across submerged pipeline process for deep water, it is characterized in that: the pitching pile for supporting pile taken over respectively by described two cover pitching pile guiding devices.
7. adopt deep water as described in any one of claim 1-3 to uphang an operational method for the working equipment across submerged pipeline process, comprise the following steps:
(1) assisted under water by ROV, make extra large pipe positioning guiding rack through suspended span submerged pipeline, complete scaffold in place;
(2) by vibration hammer under water, supporting pile is mentioned, insert the upper pitching pile guide cylinder on scaffold, by ROV auxiliary adjustment supporting pile direction under water;
(3) supporting pile is by deadweight as used vibration hammer under water to carry out preliminary pile sinking after mud, stops to the extra large pipe support beam position on supporting pile close to after upper pitching pile guiding nozzle;
(4) drive the hydraulic jack that is connected with upper pitching pile guide cylinder, upper pitching pile guide cylinder retraction, separately, extra large pipe support beam and vibration hammer under water to be led nozzle by upper pitching pile upper pitching pile guide cylinder two-part, and continuation is driven piles to piling bar driving depth to designed depth;
(5) two are carried pipe clamp and be stuck in the two ends that submerged pipeline closes on scaffold respectively, connected by deck winch and carry pipe clamp, submerged pipeline is promoted to the extra large pipe support beam upper-end part of driving on supporting pile;
(6) drive the hydraulic jack be connected with extra large pipe support beam, extra large pipe support beam is stretched out, transfer submerged pipeline to extra large pipe support beam, unclamp and carry pipe clamp;
(7) reclaim successively and carry pipe clamp, under water vibration hammer, scaffold, and repeat step (1) to (6), at submerged pipeline opposite side, next root supporting pile is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310367936.3A CN104421491B (en) | 2013-08-22 | 2013-08-22 | A kind ofly uphang working equipment and the operational method across submerged pipeline processing for deep water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310367936.3A CN104421491B (en) | 2013-08-22 | 2013-08-22 | A kind ofly uphang working equipment and the operational method across submerged pipeline processing for deep water |
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| CN104421491A true CN104421491A (en) | 2015-03-18 |
| CN104421491B CN104421491B (en) | 2016-05-18 |
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| CN201310367936.3A Active CN104421491B (en) | 2013-08-22 | 2013-08-22 | A kind ofly uphang working equipment and the operational method across submerged pipeline processing for deep water |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439222A (en) * | 2016-11-03 | 2017-02-22 | 东北石油大学 | Underwater robot used for submarine pipeline connecting installation |
| CN109915658A (en) * | 2019-03-06 | 2019-06-21 | 湖南双达机电有限责任公司 | Pipeline guide mechanism and aerial work equipment |
| 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 |
| CN110682254A (en) * | 2019-10-24 | 2020-01-14 | 深圳海油工程水下技术有限公司 | Sea pipe leaking stoppage pipe clamp installation device |
| CN114673830A (en) * | 2022-05-06 | 2022-06-28 | 中国石油大学(北京) | Pipe clip mounting frame for suction pile foundation and method of using the same |
| CN116658688A (en) * | 2023-06-16 | 2023-08-29 | 江苏兆通重型装备有限公司 | High-precision LNG marine ventilation pipeline installation assembly and installation method |
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| EP0733843A1 (en) * | 1995-03-23 | 1996-09-25 | SNAMPROGETTI S.p.A. | Method for connecting underwater pipelines particularly suitable for great depths and big diameters |
| CN1419068A (en) * | 2002-12-10 | 2003-05-21 | 胜利油田胜利石油化工建设有限责任公司 | Construction method and device for fixing seabed pipeline |
| CN2584986Y (en) * | 2002-12-10 | 2003-11-05 | 胜利油田胜利石油化工建设有限责任公司 | Device for fixing submarine pipeline |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439222A (en) * | 2016-11-03 | 2017-02-22 | 东北石油大学 | Underwater robot used for submarine pipeline connecting installation |
| CN109915658A (en) * | 2019-03-06 | 2019-06-21 | 湖南双达机电有限责任公司 | Pipeline guide mechanism and aerial work equipment |
| 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 |
| CN110682254A (en) * | 2019-10-24 | 2020-01-14 | 深圳海油工程水下技术有限公司 | Sea pipe leaking stoppage pipe clamp installation device |
| CN110682254B (en) * | 2019-10-24 | 2024-03-29 | 中海油深圳海洋工程技术服务有限公司 | Sea pipe plugging pipe clamp installation device |
| CN114673830A (en) * | 2022-05-06 | 2022-06-28 | 中国石油大学(北京) | Pipe clip mounting frame for suction pile foundation and method of using the same |
| CN116658688A (en) * | 2023-06-16 | 2023-08-29 | 江苏兆通重型装备有限公司 | High-precision LNG marine ventilation pipeline installation assembly and installation method |
| CN116658688B (en) * | 2023-06-16 | 2023-10-13 | 江苏兆通重型装备有限公司 | High-precision LNG marine ventilation pipeline installation assembly and installation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104421491B (en) | 2016-05-18 |
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