CN203570282U - Deepwater underwater on-line piping system - Google Patents
Deepwater underwater on-line piping system Download PDFInfo
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- CN203570282U CN203570282U CN201320473874.XU CN201320473874U CN203570282U CN 203570282 U CN203570282 U CN 203570282U CN 201320473874 U CN201320473874 U CN 201320473874U CN 203570282 U CN203570282 U CN 203570282U
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Abstract
A deepwater underwater on-line piping system is used in exploitation of deep sea oil-gas fields and is characterized in that the system comprises an upper device and a lower device, wherein the upper device is an online piping system and the lower device comprises a base of on-line piping and a system for prevention of fishing-net pulling and hanging. The upper device comprises an on-line piping structure, an on-line piping pipeline, a float connecting part, a lifting lug, an underwater robot operating handle, a locating device base, an anode block, a structure pipe fitting, a top plate, a valve, a principal pipeline, a connector system, a branch pipeline and a transition forge part; and the lower device comprises an on-line piping base, a device for prevention of the fishing-net pulling and hanging, a stiffening rib, a skirt board, a rib plate, a drain hole, a locating device base, a locating groove, a structural arm, the underwater robot operating handle the anode block and an level. The deepwater underwater on-line piping system in the utility model has functions of the underwater piping and an seabed terminal, can realize simultaneous connection of multiple shafts, is applicable is the oil-gas fields of which shaft holes are disposed relatively remotely and can serve in a fishery activity area.
Description
Technical field
The utility model relates to the deep water that uses in the exploitation of a kind of deepwater field online manifold system under water.
Background technology
In the deep water hydrocarbon field exploitation of subsea production system all over the world, be widely used, it is subject to the impact of hazard weather less, and reliability is strong, is one of key technology of economy, Efficient Development marginal oil field and deepwater field.Because China is starting late aspect the exploitation of deep water hydrocarbon field, compared with external similar technology, still have no small gap, therefore carry out the research of production technology under water adapts to following deep water hydrocarbon field economic development for China and just seem very necessary and urgent.
Compare with large-scale manifold, online manifold structural volume is little, lightweight, expense is low, can install simultaneously and transfer to seabed with submerged pipeline, applying flexible.When manifold is used under water, need to adopt one or two submerged pipeline terminals, carry out the connection of submerged pipeline and subsea manifold.Online manifold possesses the effect of subsea manifold and submerged pipeline terminal simultaneously, and for well head distribution distance oil gas field far away, employing under water online manifold system is with the obvious advantage.Therefore, be necessary to design a kind of safe, reasonable, economic and deep water of being convenient to install online manifold system under water.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide a kind of safe, reasonable, economic and deep water of being convenient to install online manifold system under water.
For achieving the above object, the utility model is taked following technical scheme: a kind of deep water is online manifold system under water, it is characterized in that: comprise upper unit and lower device, described upper unit is online manifold system the basis that lower device is online manifold and anti-fishing net dragging system.
Described upper unit is comprised of online manifold structure, online manifold pipeline, floating drum connector, hanger, underwater robot operating handle, positioner base, anode block, structure pipe fitting, top board, valve, Trunk Line, adapter system, by-pass line, transition forging; Described online manifold structure is formed by during welding for steel structures such as square tube, steel plate, H shaped steel and steel pipes, for the protection of be supported on spool header line, online manifold structural top is provided with hanger and floating drum connector, underwater robot operating handle and the positioner base for installing for lifting; The supervisor that described online manifold structural base is provided with for online manifold pipeline is connected with submerged pipeline protects and supports and allow this to be responsible for the structure pipe fitting that portion passes through within it; Described online manifold pipeline is comprised of a Trunk Line, two by-pass lines, three valves, two bell and spigot joint systems and transition forging; The online manifold structure of described upper unit is welded to connect with the transition forging of online manifold pipeline by online manifold structural base structure pipe fitting place.
Described lower device by online manifold basis, anti-fishing net tow-bar, stiffening rib, skirtboard, gusset, drain hole, positioner base, be located groove, structural arm, underwater robot operating handle, anode block and level gauge and form, described online manifold basis is formed by steel plate and steel-pipe welding, is provided with positioner base on its base plate; Described anti-fishing net tow-bar is formed by square steel, steel plate and steel-pipe welding, is provided with the hanger of lifting use above its four head trees; Anti-fishing net tow-bar is provided with two and by underwater robot, operates the structural arm that locks or open.
Described upper unit and lower device are all provided with for etch-proof anode block; Described deep water under water online manifold system is allowing extra large pipe to come on the basis of flow transmission, can both play the effect of submerged pipeline terminal for production, water filling or the gas injection of a bite or many mouthfuls of underwater well heads, possesses again the effect of small underwater manifold; Structural arm on the anti-fishing net tow-bar of described online manifold is operated and is locked by underwater robot after upper unit is installed on lower device; The base plate on the online manifold basis of described lower device be provided with adopt that Plate Welding forms for being located the groove that is located of upper unit; The anti-fishing net tow-bar of described online manifold (18) and (30) one welding of online manifold basis.
Compared with prior art, the advantage the utlity model has is: (1) the utility model is comprised of upper and lower two parts, has reduced the erection weight of single parts, and online manifold can be installed with submerged pipeline simultaneously; (2) lower device is provided with the groove that is located being located for upper unit, thereby upper unit can discharge along groove slippage the expansion load of submerged pipeline; (3) the utility model upper unit is provided with two bell and spigot joint systems, access when can realize two mouthfuls of wells; (4) lower device is provided with anti-fishing net tow-bar, and native system can be on active service in fishery activity area.
Accompanying drawing explanation
Fig. 1 is the utility model deep water portion's structural representation of online manifold system under water;
Fig. 2 is upper unit structural representation of the present utility model;
Fig. 3 is the pipeline system schematic diagram of upper unit of the present utility model;
Fig. 4 is lower device structural representation of the present utility model;
In figure: 1. deep water online manifold system under water, 2. upper unit, 3. lower device, 4. online manifold structure, 5. online manifold pipeline, 6. floating drum connector, 7. hanger, 8. underwater robot operating handle, 9. positioner base, 10. anode block, 11. structure pipe fittings, 12. top boards, 13. valves, 14. Trunk Lines, 15. adapter systems, 16. by-pass lines, 17. transition forging, 18. anti-fishing net tow-bars, 19. are located groove, 20. hangers, 21. anode blocks, 22. structural arm, 23. positioner bases, 24. skirtboards, 25. drain holes, 26. stiffening ribs, 27. underwater robot operating handles, 28. gussets, 29. level gauges, 30. online manifold bases.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Figure 1, a kind of deep water of the utility model is online manifold system 1 under water, it is characterized in that: comprise upper unit 2 and lower device 3, described upper unit 2 is online manifold system, the basis that lower device 3 is online manifold and anti-fishing net tow-bar.
Described upper unit 2 is comprised of online manifold structure 4, online manifold pipeline 5, floating drum connector 6, hanger 7, underwater robot operating handle 8, positioner base 9, anode block 10, structure pipe fitting 11, top board 12, valve 13, Trunk Line 14, adapter system 15, by-pass line 16, transition forging 17; Described online manifold structure 4 is formed by during welding for steel structures such as square tube, steel plate, H shaped steel and steel pipes, be mainly used in bearing lifting load, towage load, operation load, environmental load, accidental load, equipment self-weight etc., also support and protect the online manifold pipeline 5 of its inside simultaneously; Online manifold structure 4 tops are provided with hanger 7, for the lifting of upper unit 2; Described floating drum connector 6 for connecting floating drum to increase buoyancy and reduce the moment of flexure with pipe junction, sea at spool; Described underwater robot operating handle 8 is for the switching manipulation of valve 13; Described positioner base 9 is for the installation of the positioner of upper unit 2; Described anode block 10, for device is carried out to corrosion protection, to prevent the corrosion of seawater to steel structure material, extends application life of the present utility model; Described top board 12, by making with steel plate, is mainly used in bearing underwater robot operation load, top pendant thing impact and equipment self-weight etc.; Described structure pipe fitting 11 is protected for the supervisor that online manifold pipeline 5 is connected with submerged pipeline and is supported and allow this supervisor to pass through in structure pipe fitting 11 inside; Described online manifold pipeline 5 is comprised of a Trunk Line 14, two by-pass lines 16, three valves 13, two bell and spigot joint systems 15 and transition forging 17, Trunk Line 14 is mainly used for transmitting sea pipe incoming flow, and collect two mouthfuls of well incoming flows, by-pass line 16 is mainly applicable to receive two mouthfuls of well incoming flows, and spread in the future and be passed to Trunk Line 14, can both play submerged pipeline terminal for flatly or many saliva production, water filling or the gas injection of going into the well, possess again the effect of small underwater manifold; Valve 13 is mainly used for by-pass line 16 to close and opening operation; Adapter system 15 Main Functions are to connect deep water online manifold system 1 and well head under water; The online manifold structure 4 of described upper unit 2 is welded to connect with the transition forging 17 of online manifold pipeline 5 by online manifold structure 4 polycrystalline substance pipe fitting 11 places.
Described lower device 3 is by online manifold basis 30, anti-fishing net tow-bar 18, stiffening rib 26, skirtboard 24, gusset 28, drain hole 25, positioner base 23, be located groove 19, structural arm 22, underwater robot operating handle 27, anode block 21 and level gauge 29 form, described online manifold basis 30 is formed by steel plate and steel-pipe welding, be mainly used in bearing also transfer device installation and the during one's term of military service load of different operating modes, toppling and excessive sedimentation of anti-locking apparatus, and provide space and protection for the slippage of upper unit 2 under the horizontal load effects such as extra large tube swelling, what on its base plate, be provided with positioner base 23 and adopt that Plate Welding forms is located groove 19 for what be located upper unit, allows upper unit 2 along being located groove 19 slippage in certain scope, be located on groove 19 and be welded with gusset 28 to strengthen being located the supporting capacity of groove 19, described anti-fishing net tow-bar 18 is formed by square steel, steel plate and steel-pipe welding, be mainly used in preventing fishing net pull load to deep water under water online manifold system 1 produce damaging influence, four head tree tops on anti-fishing net tow-bar 18 are provided with the hanger 20 of lifting use, for the lifting of lower device 3, anti-fishing net tow-bar 18 is provided with two and by underwater robot, operates the structural arm 22 that locks or open, the anti-fishing net tow-bar 18 of described online manifold is welded on online manifold basis 30, described drain hole 25 is installed the dissipation of excess pore water pressure afterwards for system, described skirtboard 24 is for preventing the sliding motion of lower device 3 under horizontal load effect, described stiffening rib 26 is for preventing the bending deformation of skirtboard 24 under excessive load, the positioner that described positioner base 23 is found lower device 3 when installing to upper unit 2 provides support, described level gauge 29 is installed the observation of hypsokinesis gradient for online manifold basis 30.
The anti-fishing net tow-bar 18 of described online manifold is provided with structural arm 22, and structural arm 22 is operated and locked or open by underwater robot; Before upper unit 2 is in place, structural arm 22 in open mode so that the smooth installation of upper unit 2, after upper unit 2 is in place, by underwater robot, structural arm 22 is locked, so as the online anti-fishing net tow-bar 18 of manifold can be when bearing fishing net and pull load transmitted load; In structural arm 22, be welded with underwater robot operating handle 27, to allow underwater robot to lock and opening operation structural arm 22.
On online manifold basis 30 and the online anti-fishing net tow-bar 18 of manifold, be provided with anode block 21, for structure is carried out to corrosion protection, to prevent the corrosion of seawater to steel structure material, extend application life of the present utility model.
The various embodiments described above are only for illustrating the utility model; wherein the structure of each parts, connected mode etc. all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection domain of the present utility model.
Claims (4)
1. a deep water online manifold system under water, is characterized in that: comprise upper unit (2) and lower device (3); Described upper unit (2) is comprised of online manifold structure (4), online manifold pipeline (5), floating drum connector (6), hanger (7), underwater robot operating handle (8), positioner base (9), anode block (10), structure pipe fitting (11), top board (12), valve (13), Trunk Line (14), adapter system (15), by-pass line (16), transition forging (17); Described online manifold structure (4) is formed by during welding for steel structures such as square tube, steel plate, H shaped steel and steel pipes, for the protection of be supported on spool header line (5), online manifold structure (4) top is provided with hanger (7) and floating drum connector (6), underwater robot operating handle (8) and the positioner base (9) for installing for lifting; The supervisor that described online manifold structure (4) bottom is provided with for online manifold pipeline (5) is connected with submerged pipeline protects and supports and allow this to be responsible for the structure pipe fitting (11) that portion passes through within it; Described online manifold pipeline (5) is comprised of a Trunk Line (14), two by-pass lines (16), three valves (13), two bell and spigot joint systems (15) and transition forging (17); The online manifold structure (4) of described upper unit (2) is welded to connect with the transition forging (17) that online manifold pipeline (5) is located by online manifold structure (4) polycrystalline substance pipe fitting (11); Described lower device (3) by online manifold basis (30), anti-fishing net tow-bar (18), stiffening rib (26), skirtboard (24), gusset (28), drain hole (25), positioner base (23), be located groove (19), structural arm (22), underwater robot operating handle (27), anode block (21) and level gauge (29) and form, described online manifold basis (30) is formed by steel plate and steel-pipe welding, is provided with positioner base (23) on its base plate; Described anti-fishing net tow-bar (18) is formed by square steel, steel plate and steel-pipe welding, is provided with the hanger (20) of lifting use above its four head trees; Anti-fishing net tow-bar (18) is provided with two and by underwater robot, operates the structural arm (22) that locks or open.
2. a kind of deep water according to claim 1 online manifold system (1) under water, is characterized in that structural arm (22) on the anti-fishing net tow-bar of described online manifold (18) is installed to lower device (3) at upper unit (2) and by underwater robot, is operated and locked after upper.
3. a kind of deep water as claimed in claim 1 online manifold system (1) under water, the base plate that it is characterized in that the online manifold basis (30) of described lower device (3) be provided with adopt that Plate Welding forms for what be located upper unit (2), be located groove (19).
4. a kind of deep water as claimed in claim 1 online manifold system (1) under water, is characterized in that the anti-fishing net tow-bar of described online manifold (18) and (30) one welding of online manifold basis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320473874.XU CN203570282U (en) | 2013-07-26 | 2013-07-26 | Deepwater underwater on-line piping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320473874.XU CN203570282U (en) | 2013-07-26 | 2013-07-26 | Deepwater underwater on-line piping system |
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| Publication Number | Publication Date |
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| CN203570282U true CN203570282U (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320473874.XU Expired - Fee Related CN203570282U (en) | 2013-07-26 | 2013-07-26 | Deepwater underwater on-line piping system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104060971A (en) * | 2014-06-19 | 2014-09-24 | 中国海洋石油总公司 | Assembly type underwater manifold structure |
| CN104085518A (en) * | 2014-07-29 | 2014-10-08 | 中国海洋石油总公司 | Cover plate with underwater robot interface |
| CN105064958A (en) * | 2015-07-31 | 2015-11-18 | 中国海洋石油总公司 | Vertical multi-joint fishing net protection underground pipe manifold |
| CN107313723A (en) * | 2017-07-21 | 2017-11-03 | 中国海洋石油总公司 | Slidingtype super large caliber subsea manifold |
| CN111236893A (en) * | 2020-01-02 | 2020-06-05 | 海洋石油工程股份有限公司 | Underwater production system expansion tie-back facility |
| CN111649178A (en) * | 2020-03-02 | 2020-09-11 | 海洋石油工程股份有限公司 | Topside mounted subsea pipeline termination |
-
2013
- 2013-07-26 CN CN201320473874.XU patent/CN203570282U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104060971A (en) * | 2014-06-19 | 2014-09-24 | 中国海洋石油总公司 | Assembly type underwater manifold structure |
| CN104085518A (en) * | 2014-07-29 | 2014-10-08 | 中国海洋石油总公司 | Cover plate with underwater robot interface |
| CN105064958A (en) * | 2015-07-31 | 2015-11-18 | 中国海洋石油总公司 | Vertical multi-joint fishing net protection underground pipe manifold |
| CN107313723A (en) * | 2017-07-21 | 2017-11-03 | 中国海洋石油总公司 | Slidingtype super large caliber subsea manifold |
| CN111236893A (en) * | 2020-01-02 | 2020-06-05 | 海洋石油工程股份有限公司 | Underwater production system expansion tie-back facility |
| CN111236893B (en) * | 2020-01-02 | 2022-05-17 | 海洋石油工程股份有限公司 | Underwater production system expansion tie-back facility |
| CN111649178A (en) * | 2020-03-02 | 2020-09-11 | 海洋石油工程股份有限公司 | Topside mounted subsea pipeline termination |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: CNOOC Deepwater Development Limited Document name: Notification to Pay the Fees |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20150726 |
|
| EXPY | Termination of patent right or utility model |