CN112339936B - In-cabin installation method of riser monitoring system of floating production, storage and unloading device - Google Patents
In-cabin installation method of riser monitoring system of floating production, storage and unloading device Download PDFInfo
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- CN112339936B CN112339936B CN202010981291.2A CN202010981291A CN112339936B CN 112339936 B CN112339936 B CN 112339936B CN 202010981291 A CN202010981291 A CN 202010981291A CN 112339936 B CN112339936 B CN 112339936B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/30—Moving or transporting modules or hull blocks to assembly sites, e.g. by rolling, lifting or floating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/20—Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
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Abstract
The invention discloses an in-cabin installation method of a riser monitoring system of a floating production, storage and unloading device, which comprises the steps of welding cathode protection on all bearing pipes A; installing a hoisting assembly on the bearing pipe A; the hoisting bearing pipe A is connected with the support structure; mounting an MCAS bracket on the bracket structure; mounting the GAPS and MCAS on a scaffold structure; a centralizer is arranged on the bearing pipe A; supporting the bearing pipe A by a temporary supporting block; hoisting a second bearing pipe A and installing a centralizer; connecting two bearing pipes and installing a cable support; installing the rest bearing pipe A; hoisting the bearing pipe B; connecting the bearing pipe B and the bearing pipe A and installing a cable support; removing the temporary supporting block and lowering the bearing pipe B; connecting the bearing pipe B and the protective pipe; mounting a blind flange; the invention not only solves the problem of the in-cabin installation of the riser monitoring system of the offshore floating production, storage and unloading device, but also solves the problem that the riser monitoring system can not carry out the conventional outboard installation due to the restriction of complex engineering.
Description
Technical Field
The invention relates to the field of marine petrochemical industry, in particular to an in-cabin installation method of a riser monitoring system of a floating production, storage and unloading device.
Background
At present, in deep water and ultra-deep water oil field blocks where offshore Floating Production Storage and Offloading (FPSO) devices are located, crude oil is mostly conveyed to the FPSO through an underwater production system for carrying out the process treatment of the crude oil. The underwater production system mainly comprises a Christmas tree, a steel sea pipe, a flexible vertical pipe, an underwater vertical pipe, a vertical pipe tower (URTA) and the like. Due to the complexity of pipe-soil interaction and the continuous change of deepwater marine environment load, the flexible riser and the seabed steel sea pipe have dynamic displacement, and facilities such as an underwater riser, the flexible riser, a URTA and the like are used for decoupling the FPSO and corresponding underwater facilities.
The riser monitoring system consists of a transmitting transducer (MCAS), a transponder (MCAR), and a receiving array (GAPS). MCAS and GAPS are installed on FPSO, and MCAR is fixed on underwater goose neck. MCAS sends out an acoustic pulse, MCAR receives the acoustic pulse and then sends back the acoustic pulse, GAPS receives the acoustic pulse and measures X, Y phase difference in two directions, and calculates the distance from URTA to GAPS according to the arrival time of the acoustic wave, thereby calculating the position and depth of URTA on the plane coordinate.
At present, a riser monitoring system is usually installed in an outboard protection pipe of an FPSO (floating production storage and offloading) and bears the stress on the vertical direction of equipment through a steel cable, and the mode of the outboard installation is also interfered by the space easily, so that the equipment is difficult to control the butt joint precision, and the installation difficulty of a detection system is increased. Meanwhile, the outboard installation mode is not beneficial to subsequent maintenance of the detection equipment.
Therefore, the method for installing the riser monitoring system in the floating production, storage and offloading device in the cabin is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an in-cabin installation method of a riser monitoring system of a floating production, storage and offloading device.
The invention provides the following technical scheme: a method for installing an inboard riser monitoring system of a floating production storage and offloading device comprises the following steps:
the first step is as follows: two temporary supporting blocks made of special steel parts are respectively installed on the two H-shaped steels through bolts and are used for playing a temporary supporting role in the hoisting and lowering processes;
the second step is that: respectively welding cathode protection on 8 bearing pipes A, wherein the bearing pipes A1, A2, A5 and A6 are welded inside, and the bearing pipes A3, A4, A7 and A8 are welded outside;
the third step: a hoisting assembly is arranged on the bearing pipe A1 and comprises a bolt, a nut, a gasket and a lifting lug;
the fourth step: hoisting a bearing pipe A1 by using a pneumatic winch through a fixed pulley and a steel cable, and installing a lower support structure through bolts;
the fifth step: the MCAS bracket is arranged on the bracket structure through a bolt;
and a sixth step: the bracket structure and the MCAS bracket are respectively provided with GAPS and MCAS;
the seventh step: a centralizer is arranged on the bearing pipe A1;
eighth step: integrally hoisting a bearing pipe A1 and a support structure, lowering a protective pipe to a certain height, and supporting and fixing the bearing pipe A1 by using a temporary supporting block;
the ninth step: the hoisting assembly is disassembled and is installed on the bearing pipe A2, the bearing pipe A2 is hoisted, and a centralizer is installed;
the tenth step: connecting the bearing pipes A1 and A2 by bolts, and installing a cable bracket at the connection position;
the eleventh step: properly lifting the combination of bearing tube a1, bearing tube a2 to remove the temporary support blocks, and lowering the combination;
the twelfth step: repeating the ninth, tenth and eleventh steps to install the rest bearing pipes A, and only installing centralizers on the rest bearing pipes A5, A6, A9 and A10;
the thirteenth step: installing a hoisting assembly and a shackle on the bearing pipe B;
the fourteenth step is that: hoisting the bearing pipe B by using a pneumatic winch to be butted with the bearing pipe A10;
the fifteenth step: connecting a bearing pipe B and a bearing pipe A10 by using a bolt, and installing a cable support at the joint;
sixteenth, step: properly lifting the combination of the bearing pipe B and the bearing pipe A1-A10 to remove the temporary supporting block, and lowering the bearing pipe B to the pipe protecting flange;
seventeenth step: connecting the bearing pipe B and the protective pipe flange by using bolts;
and eighteenth step: and mounting a blind flange at the top end of the bearing pipe B by using bolts.
Preferably, the plurality of groups of the bearing pipe A flanges are provided with positioning holes, so that the bearing pipes A can be installed at a specific angle from bottom to top, and the sound waves emitted by the MCAS are received by the underwater MCAR at a specified angle.
Preferably, the support structure can be used for simultaneously installing MCAS and GAPS, the support structure is provided with a side hole through special design, so that the side stress of water flow disturbance on the whole system can be reduced to the maximum extent, and meanwhile, the support structure is provided with a cable elevator for fixing a cable inside the support structure.
Compared with the prior art, the invention provides an in-cabin installation method of a riser monitoring system of a floating production, storage and unloading device, which has the following beneficial effects:
1. the device of the invention adopts the method of mounting the riser monitoring system by the inboard protective pipe, uses the bearing pipe to replace a steel cable, can effectively reduce the space interference caused by outboard mounting, also effectively solves the problems of equipment fixing and angle precision during hoisting, fully utilizes the inboard space, and simultaneously can prevent the cable from being broken due to violent shaking along with the shaking of the ship board by the arrangement of the cable bracket.
2. The installation method of the inboard riser monitoring system of the floating production storage and offloading device of the invention places all hoisting maintenance equipment and operators in the inboard, reduces the protection requirement on the equipment and optimizes the working environment of the personnel. The problem that the riser monitoring system cannot be installed outside a conventional ship board due to the limitation of complex engineering is solved.
Drawings
FIG. 1 is a schematic view of a temporary support block of the present invention;
FIG. 2 is a schematic view of a load bearing tube A of the present invention;
FIG. 3 is a schematic view of a hoist assembly of the present invention;
FIG. 4 is a schematic view of a stent structure according to the present invention;
FIG. 5 is a schematic representation of an MCAS stent according to the invention;
FIG. 6 is a schematic view of a cable holder according to the present invention;
FIG. 7 is a schematic view of a centralizer according to the present invention;
FIG. 8 is a schematic view of GAPS;
FIG. 9 is a schematic representation of MCAS;
FIG. 10 is a schematic view of the structure of a hoisting load-bearing pipe A1 and a bracket;
FIG. 11 is a schematic view of the installation of another load-bearing tube A;
FIG. 12 is a schematic view of a load bearing tube B of the present invention;
fig. 13 is a general assembly drawing of the present invention.
Description of reference numerals:
in the figure: 1. a temporary support block; 2. h-shaped steel; 3. a bearing pipe A; 4. protecting the cathode; 5. lifting lugs; 6. a bolt; 7. a gasket; 8. a nut; 9. shackle dismounting; 10. a pneumatic winch; 11. a fixed pulley; 12. a hook; 13. a wire rope; 14. hoisting the assembly; 15. a scaffold structure; 16. MCAS support; 17. a GAPS; 18. MCAS; 19. a cable; 20. a centralizer; 21. a cable holder; 22. a bearing pipe B; 23. a protective pipe flange; 24. a blind flange; 25. and (7) protecting the tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-13, a method of installing an inboard riser monitoring system for a floating production storage and offloading unit includes the steps of:
the first step is as follows: the temporary supporting blocks 1 made of two special steel parts are respectively installed on the two H-shaped steels 2 through bolts 6 and used for playing a temporary supporting role in the hoisting and lowering process. The temporary supporting block 1 is an integral body formed by welding three parts, the top of the temporary supporting block is provided with a groove, a flange of a bearing pipe A3 can be fixed by a bolt 6, and the stability of each component structure of the temporary supporting block 1 is kept by a welding mode;
the second step is that: and respectively welding a cathode protection 4 on 8 bearing pipes A3 (A1-A8), wherein the bearing pipes A1, A2, A5 and A6 are welded on the inside, and the bearing pipes A3, A4, A7 and A8 are welded on the outside for respectively slowing down the inside and outside corrosion of the bearing pipes A3. The bearing pipes A9 and A10 are above the maximum waterline of the FPSO, the welding of the cathodic protection 4 is not needed, and the pipe wall is prevented from being corroded by seawater by the welding of the cathodic protection 4;
the third step: installing a hoisting assembly 14 on a hoisting assembly mounting hole on the bearing pipe A1, wherein the hoisting assembly 14 comprises a bolt 6, a nut 8, a gasket 7 and a lifting lug 5, each hoisting assembly 14 is provided with a shackle 9, and the hoisting assembly 14 is used for assisting the mounting of subsequent pipelines;
the fourth step: a steel cable 13 is wound around a fixed pulley 11 welded at the top of a room, two ends of the steel cable 13 are connected with a pneumatic winch 10 and a lifting hook 12 with the rope speed of 0.2 m/s, the lifting hook 12 is connected with a shackle 9 through the steel cable 13, the pneumatic winch 10 is started to slowly lift a bearing pipe A1 to a position 1.5 m away from a deck, a support structure 15 is installed at the lower part of the bearing pipe A1 through a bolt 6, a nut 8 and a gasket 7, positioning holes of the two are required to be overlapped and face the starboard direction of the FPSO, and the butt joint process is slowly and stably carried out;
the fifth step: the MCAS support 16 is arranged below the support structure 15 through the bolt 6, the nut 8 and the gasket 7, positioning holes of the MCAS support and the positioning holes of the MCAS support are required to be overlapped and face the starboard direction of the FPSO, and the integral installation direction is kept consistent;
and a sixth step: slowly lifting the composition by 0.75 meter by using a pneumatic winch 10, respectively installing GAPS 17 and MCAS18 on a support structure 15 and an MCAS support according to the installation requirements of equipment, binding equipment cables on a cable fixing frame of the support structure 15, and acquiring data by using the GAPS 17 and the MCAS 18;
the seventh step: a centralizer 20 is arranged on the bearing pipe A1; the subsequent pipeline connection is helped to carry out position calibration;
the eighth step: integrally hoisting a composition of a bearing pipe A1 and a support structure 15, putting a protective pipe 25 into a position where the distance between an upper flange of the bearing pipe A1 and a protective pipe flange 23 is 0.5 m, installing a temporary supporting block 1 and H-shaped steel 2 on the protective pipe flange 23, wherein a bolt hole of a flange of the bearing pipe A1 needs to be matched with a groove at the top of the temporary supporting block 1 so as to support and fix the bearing pipe A1, then slowly putting the composition down and stably falling, a positioning hole always faces to the starboard direction of the FPSO in the putting process, and a bolt 6, a nut 8 and a gasket 7 are fastened to keep the installation direction consistent with that of the previous step;
the ninth step: the hoist assembly 14 and shackle 9 are removed and mounted on bearing pipe a2, bearing pipe a2 is hoisted and centralizer 20 is installed. The lifting hook 12 is connected with the shackle 9 through a steel cable 13, and the pneumatic winch 10 is started to slowly lift the bearing pipe A2 to a position where the lower flange is 1.5 m away from the deck, so that the preparation work of the bearing pipe A1 and the bearing pipe A2 is carried out;
the tenth step: slowly lowering the bearing pipe A2 to ensure that the positioning holes of the bearing pipe A2 and the bearing pipe A1 are stably and coincided, connecting the bearing pipe A1 and the bearing pipe A2 by using a bolt 6, a nut 8 and a gasket 7, installing a cable bracket 21 at the connection position, fixing a cable 19 and ensuring that the bearing pipe A1 and the bearing pipe A2 are butted;
the eleventh step: the combination of the bearing tube a1, bearing tube a2 is lifted appropriately to remove the temporary support blocks 1 and H-section steel 2. Slowly putting the composition into the protective pipe 25 until the distance between the upper flange of the bearing pipe A2 and the protective pipe flange 23 is 0.5 m, installing a temporary supporting block 1 and H-shaped steel 2 on the protective pipe flange 23, wherein a bolt hole of the bearing pipe A2 flange needs to be matched with a groove at the top of the temporary supporting block 1 so as to support and fix the composition, then slowly putting the composition and stably falling, a positioning hole always faces to the starboard side direction of the FPSO in the putting process, and a bolt 6, a nut 8 and a gasket 7 are fastened so as to keep the installation direction consistent with the previous step;
the twelfth step: repeating the ninth, tenth and eleventh steps to install the rest bearing pipe A3 (A3-A10), only installing the centralizer 20 on the rest bearing pipes A5, A6, A9 and A10, and repeating the steps to connect the bearing pipe A3 (A3-A10) for one time;
the thirteenth step: a hoisting component 14 and a shackle 9 are arranged on the bearing pipe B22, and a lifting hook 12 is connected with the shackle 9 through a steel cable 13, so that the subsequent hoisting of the bearing pipe B is facilitated;
the fourteenth step is that: starting the pneumatic winch 10 to hoist and slowly lower the bearing pipe B22 to ensure that the lower flange is overlapped with the upper flange positioning hole of the bearing pipe A10 and stably falls, so that the bearing pipe B is butted with the bearing pipe A;
the fifteenth step: connecting a bearing pipe B22 and a bearing pipe A10 by using a bolt 6, a nut 8 and a gasket 7, installing a cable bracket 21 at the joint, and fixing a cable 19 to ensure that the bearing pipe B is fixedly connected with the bearing pipe A;
sixteenth, step: the combination of the bearing tube B22 and bearing tube a1-a10 is lifted appropriately to remove the temporary support blocks 1 and H-section steel 2, and the cable 19 is lowered through the cable installation hole while the bearing tube B22 is lowered to a distance of 1 meter from the lower flange and the duct flange 23. Continuing to lower the bearing pipe B22 until the bearing pipe is stable, wherein the positioning hole always faces to the starboard direction of the FPSO in the lowering process, and keeping the installation direction consistent with the previous step;
seventeenth step: the bearing pipe B22 and the protective pipe flange 23 are connected by a bolt 6, a nut 8 and a gasket 7, so that the bearing pipe B and the protective pipe flange 23 are fixedly connected,
and eighteenth step: and (3) mounting the bearing pipe B22 and the top blind flange 24 by using bolts 6, nuts 8 and gaskets 7, and fixedly connecting the bearing pipe B and the top blind flange 24, thereby finally reinforcing the bearing pipe B.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A floating production oil storage and discharge device inboard riser monitoring system installation method is characterized in that: comprises the following steps of (a) carrying out,
1): two temporary supporting blocks made of special steel parts are respectively installed on the two H-shaped steels through bolts and are used for playing a temporary supporting role in the hoisting and lowering processes;
2): respectively welding cathode protection on 8 bearing pipes A, wherein the bearing pipes A1, A2, A5 and A6 are welded inside, and the bearing pipes A3, A4, A7 and A8 are welded outside;
3): a hoisting assembly is arranged on the bearing pipe A1 and comprises a bolt, a nut, a gasket and a lifting lug;
4): hoisting a bearing pipe A1 by using a pneumatic winch through a fixed pulley and a steel cable, and installing a lower support structure through bolts;
5): the MCAS bracket is arranged on the bracket structure through a bolt;
6): the bracket structure and the MCAS bracket are respectively provided with GAPS and MCAS;
7): a centralizer is arranged on the bearing pipe A1;
8): integrally hoisting a bearing pipe A1 and a support structure, lowering a protective pipe to a certain height, and supporting and fixing the bearing pipe A1 by using a temporary supporting block;
9): the hoisting assembly is disassembled and is installed on the bearing pipe A2, the bearing pipe A2 is hoisted, and a centralizer is installed;
10): connecting the bearing pipes A1 and A2 by bolts, and installing a cable bracket at the connection part;
11): properly lifting the combination of bearing tube a1, bearing tube a2 to remove the temporary support blocks, and lowering the combination;
12): repeating the ninth, tenth and eleventh steps to install the rest bearing pipes A, and only installing centralizers on the rest bearing pipes A5, A6, A9 and A10;
13): installing a hoisting assembly and a shackle on the bearing pipe B;
14): hoisting the bearing pipe B by using a pneumatic winch to be butted with the bearing pipe A10;
15): connecting the bearing pipe B and the bearing pipe A10 by using bolts, and installing a cable bracket at the joint;
16): properly lifting the combination of the bearing pipe B and the bearing pipe A1-A10 to remove the temporary supporting block, and lowering the bearing pipe B to the pipe protecting flange;
17): connecting the bearing pipe B and the protective pipe flange by using bolts;
18): and mounting a blind flange at the top end of the bearing pipe B by using bolts.
2. The method of installing the floating production storage offloading inboard riser monitoring system of claim 1, wherein: the plurality of groups of bearing pipe A flanges are provided with positioning holes, so that the bearing pipes A can be installed at a specific angle from bottom to top, and the sound waves emitted by the MCAS are received by the underwater MCAR at a specified angle.
3. The method of installing the floating production, storage and offloading unit (FPS) inboard riser monitoring system of claim 1, wherein: the support structure can install MCAS and GAPS simultaneously, and the side opening of support structure through special design, but furthest's reduction rivers disturbance produces the side stress to entire system, simultaneously, the design has the cable elevator on the support structure for the inside cable of fixed support structure.
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| CN202010981291.2A CN112339936B (en) | 2020-09-17 | 2020-09-17 | In-cabin installation method of riser monitoring system of floating production, storage and unloading device |
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| CN202010981291.2A CN112339936B (en) | 2020-09-17 | 2020-09-17 | In-cabin installation method of riser monitoring system of floating production, storage and unloading device |
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| CN112339936B true CN112339936B (en) | 2022-07-01 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213085A (en) * | 2010-04-09 | 2011-10-12 | 中国海洋石油总公司 | Installation method of vertical pipe of guide pipe rack |
| CN102434129A (en) * | 2011-12-24 | 2012-05-02 | 大连理工大学 | Ultra-deepwater offshore oil-gas engineering developing system and mounting method thereof |
| CN103883273A (en) * | 2014-02-19 | 2014-06-25 | 中国海洋石油总公司 | Method for utilizing two cranes on saturation diving support vessel to mount vertical pipe |
| CN105752861A (en) * | 2014-12-19 | 2016-07-13 | 中石化胜利石油工程有限公司钻井工艺研究院 | Method for mounting deep sea underwater heavy facility by using buoyancy blocks and hoisting and guiding dual-use cable |
| CN108547583A (en) * | 2018-03-13 | 2018-09-18 | 海洋石油工程股份有限公司 | The installation method of the production riser of self-elevating drilling platform |
| CN109368508A (en) * | 2018-10-24 | 2019-02-22 | 海洋石油工程股份有限公司 | The offshore lifting method of large size valve on floating production storage offloading's standpipe |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009503306A (en) * | 2005-08-04 | 2009-01-29 | シュルンベルジェ ホールディングス リミテッド | Interface for well telemetry system and interface method |
-
2020
- 2020-09-17 CN CN202010981291.2A patent/CN112339936B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213085A (en) * | 2010-04-09 | 2011-10-12 | 中国海洋石油总公司 | Installation method of vertical pipe of guide pipe rack |
| CN102434129A (en) * | 2011-12-24 | 2012-05-02 | 大连理工大学 | Ultra-deepwater offshore oil-gas engineering developing system and mounting method thereof |
| CN103883273A (en) * | 2014-02-19 | 2014-06-25 | 中国海洋石油总公司 | Method for utilizing two cranes on saturation diving support vessel to mount vertical pipe |
| CN105752861A (en) * | 2014-12-19 | 2016-07-13 | 中石化胜利石油工程有限公司钻井工艺研究院 | Method for mounting deep sea underwater heavy facility by using buoyancy blocks and hoisting and guiding dual-use cable |
| CN108547583A (en) * | 2018-03-13 | 2018-09-18 | 海洋石油工程股份有限公司 | The installation method of the production riser of self-elevating drilling platform |
| CN109368508A (en) * | 2018-10-24 | 2019-02-22 | 海洋石油工程股份有限公司 | The offshore lifting method of large size valve on floating production storage offloading's standpipe |
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