CN106640030A - Asymmetric type on-line installing device and method for underwater three-stage separation system - Google Patents
Asymmetric type on-line installing device and method for underwater three-stage separation system Download PDFInfo
- Publication number
- CN106640030A CN106640030A CN201611126584.2A CN201611126584A CN106640030A CN 106640030 A CN106640030 A CN 106640030A CN 201611126584 A CN201611126584 A CN 201611126584A CN 106640030 A CN106640030 A CN 106640030A
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- China
- Prior art keywords
- tuningout
- under water
- base
- cylinder
- lifting
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
- E21B43/36—Underwater separating arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/01—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/01—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
- E21B43/013—Connecting a production flow line to an underwater well head
- E21B43/0135—Connecting a production flow line to an underwater well head using a pulling cable
Abstract
The invention provides an asymmetric type on-line installing device and method for an underwater three-stage separation system. The asymmetric type on-line installing device and method are applied to rapid abutting joint and on-line installing of the underwater separation system. Gas cell bodies of the on-line installing device are designed as double asymmetric type gas cells, follow-up drifting is completed through spherical offset adjusting mechanisms and horizontal offset of the on-line installing device is adjusted automatically; and according to the balance action of the gas cell bodies and a balance pipe, vertical offset is adjusted automatically, so that stable hoisting is realized. Three-point type hoisting, prying, centering and supporting of an underwater three-stage separation device are completed through connecting rigging, an upper hoisting base and a lower hoisting base. Three-set fishing cylinders and traction pipes are arranged on the hoisting base in a three-point mode to form three-cylinder automatic centering mechanisms. The fishing cylinders are matched with the traction pipes to realize hoisting and automatic centering in centering operation. Locking mechanisms are arranged in the fishing cylinders to realize automatic locking in the centering operation. The asymmetric type on-line installing method comprises the step of conducting the whole set of the operation process relying on the installing device, so that rapid on-line installing of the underwater separation system is finished.
Description
Technical field
The present invention relates to device and method during a kind of piece-rate system installation under water of ocean engineering field, more particularly to
A kind of special online erecting device of asymmetric of piece-rate system of three-level under water and its installation exercise flow process.
Background technology
Using the exploitation pattern of subsea production system plus floating platform become deep-sea oil gas exploitation main pattern it
One, subsea production system is typically produced under water by underwater well head, production tree, production/separation equipment, jumper pipe, submerged pipeline etc.
Equipment is constituted, and is adopted separation equipment under water to be moved to crude oil and production wastewater treatment equipment by offshore platform chunk and is under water
System, greatly simplifies crude oil and production wastewater treatment flow process, and effectively solving routine techniques occupation area of equipment and the disadvantage such as weight is big
End, but while also challenge is proposed to the installation exercise of subsea production system.
At present, foreign countries have been developed over installing the multifunctional ship and its corresponding erecting device of deep water equipment, and in sea
Upper relevant engineering has carried out in practice Preliminary Applications, and China starts late in deep water equipment installation, still without technology into
Ripe deep water equipment installation vessel and special erecting device, the installation of underwater installation is still using the installation exercise in conventional shallow sea
Method, its installation exercise flow process is generally divided into four-stage, and the stage one is loop wheel machine handling and decentralization operation on the water surface, during this
Underwater installation is only acted on by wind load, and the stage two does not flood completely operation for underwater installation, and the stage three is then to flood completely
No sessions, underwater installation can be acted on by the load such as wave force and ocean current power during this, the stage four puts and connect for seat
Operation is connect, is mainly affected by environmental factor during this.
As can be seen here, the stressing conditions of underwater installation installation process are extremely complex, and equipment can be subject to wind during whole installation
The impact of the load such as power, wave force and ocean current power, is the installation dress in this conventional shallow sea while being affected by mounting shipping motion
Put and operating type has been no longer desirable for the installation of deep water hydrocarbon field underwater installation, and need to develop the special installation of deep water system
Equipment, to ensure the safety of deepwater development construction operation and the integrality of device structure, and ensures installation accuracy, it is ensured that water
Lower separation equipment can quickly and smoothly be installed to correct position.
The content of the invention
In order to effectively solving the installation question of piece-rate system and overcomes existing shallow sea mounting technique and operating type to deposit under water
Defect and deficiency, it is an object of the invention to provide a kind of exploitation of suitable deep water hydrocarbon field under water three-level piece-rate system is installed and used
The online erecting device of asymmetric and its installation method.Make according to the servo-actuated drift of the asymmetric air cell body of balance pipe both sides
With the balanced action of, balance pipe and air cell body, the bikini lifting of butt rigging and catch three between cylinder and traction tube from
Move to neutralizing retaining mechanism, realize stable lifting, automatic centering and locking and its and the subsea manifold of three-level piece-rate system under water
Rapid abutting joint and online installation and between submarine pipeline.
It is asymmetric that the technical solution adopted for the present invention to solve the technical problems is to provide a kind of three-level piece-rate system under water
The online erecting device of formula and method, the online erecting device of the asymmetric is mainly by balance pipe, air cell body, hoisting rig, connection
Rigging, lifting base, seizure cylinder and traction tube composition, its global design adopts the construction of asymmetric, wherein air cell body, lifting
Rigging, butt rigging, seizure cylinder and traction tube are in the form of vertical, and balance pipe and lifting base then adopt horizontal cloth
The form put.
Using the double gas vacuole constructions of asymmetric, air cell body internal memory contains the gas of pressure-fired to air cell body, according to spherical tuningout
Mechanism completes servo-actuated drift, to balance the random load such as wave power in lifting and centering operation Wave power and ocean current, adjusts automatically
The side-play amount of whole erecting device horizontal direction, while according to the asymmetric balanced action of air cell body, balancing wave and ocean current
The vertical oscillation load that interior ripple Jing hoisting rigs are transmitted, the vertical deviation amount of adjust automatically erecting device, to ensure under water three
The stable lifting of level piece-rate system.Air cell body includes little gas vacuole, big gas vacuole, air bleeding valve, tuningout spheroid, tuningout gland and tuningout sheet
Body, wherein the material of little gas vacuole, big gas vacuole and tuningout spheroid using the strong polyester cord oblique of high intensity, cold and hot stability with
After sea water resistance is rubber combined, form through high pressure and die material sulfuration, the material selection of tuningout gland and tuningout body is super
Two phase stainless steel, while entire body coating glass glue.Each part of air cell body adopts split-type structural, air bleeding valve, tuningout spheroid, tune
Bias lid and tuningout body contain the two completely identical in structure monomers in left and right, and right one by one with little gas vacuole and big gas vacuole respectively
Should, and the axis keeping parallelism between the two tuningout glands in left and right and tuningout body.
The double gas vacuoles of asymmetric used by air cell body include little gas vacuole and big gas vacuole, and little gas vacuole and big gas vacuole adopt back taper
The gas vacuole of shape, and constituted by upper sphere and lower cone, the upper sphere of little gas vacuole and big gas vacuole is constructed using hemisphere, upper sphere
Top be provided with cylindrical end tangs, the central authorities of the cylindrical end tangs are machined with sealing pipe thread hole, and configure air bleeding valve, air bleeding valve
The cell that opening and closing can fill little gas vacuole and big gas vacuole for gas turnover and seawater provides passage.Little gas vacuole and big gas vacuole
Lower cone constructed using inverted cone, the big end disc on lower cone top is tangent with the holding of the lower surface junction of upper sphere,
And the small end disc diameter of its underpart is then equal to the external diameter of tuningout spheroid upper disc body portion.
The spherical adjusting deviation device of air cell body is made up of tuningout spheroid, tuningout gland and tuningout body, tuningout spheroid and tuningout
Spherical pair is adopted between gland and tuningout body, by random loads such as wave powers in wave force and ocean current, tuningout spheroid is voluntarily adjusted
Angle simultaneously completes the servo-actuated drift of little gas vacuole and big gas vacuole, so as to reach the purpose of adjustment erecting device horizontal direction side-play amount.
Tuningout body adopts cylinder, its underpart to be attached with balance pipe by ring flange, and tuningout body upper surface
Central part be then machined with semicircle sphere, the centre of sphere of tuningout body semicircle sphere is located on the axis of tuningout body；Tuningout sheet
Annular groove is milled with the lower surface of body ring flange, the section of the annular groove is in isosceles trapezoid, is furnished with hexagonal metallic in it
Ring, hexagonal metallic ring adopts the material of crude metal ring body, its metal ring body to adopt intensity high and the strong metal of heat resistance,
Simultaneously the outer wrap of metal ring body has tinsel.
The outer ring surface of tuningout gland is from top to bottom followed successively by taper seat and the face of cylinder, and the central part of its upper surface is then bored
Have the rounding conical surface, the small end disc of the rounding conical surface with diameter greater than tuningout spheroid middle part cylinder external diameter, while its taper is more than
The tuningout angle of air cell body；And semicircle sphere is machined with the tuningout gland cavity wall of the rounding conical surface lower end, tuningout gland
Semicircle sphere carries out precise finiss process with the semicircle sphere of tuningout body, and two halves Surface of Sphere remains concentric, while
The semicircle sphere lower chamber wall of tuningout gland is lined with tubulose gland, and the material selection nickel-base alloy of the tubulose gland simultaneously passes through close
Envelope property pipe screw thread is connected tuningout gland with tuningout body.
The top of tuningout spheroid is linked together with little gas vacuole and big gas vacuole respectively by disk body, the middle part of tuningout spheroid
From top to bottom successively using reverse taper and cylinder, the taper of tuningout spheroid reverse taper is equal to the taper of the tuningout gland rounding conical surface；
The bottom of tuningout spheroid then adopts Surface of Sphere, the Surface of Sphere to remain concentric with the semicircle sphere of tuningout gland and tuningout body
And coordinated using gap and constitute spherical pair, to ensure tuningout spheroid in tuningout gland and the intrinsic free degree of tuningout and flexibly
Degree；The lower end of tuningout spheroid is cut with the tangent plane parallel with its top disk body end face, and the cavity wall at the tangent plane central part is adopted
The structure combined with taper seat and cylinder, to improve the stress of tuningout ball interior.The Surface of Sphere of tuningout spheroid by upper and
The ring-shaped groove of equidistant layered arrangement is had, totally four layers, each layer ring-shaped groove is inclined along the Surface of Sphere of tuningout spheroid and put
Put, and the conical point of each layer ring-shaped groove center line place conical surface keeps concentric, each layer with the centre of sphere of tuningout spheroid Surface of Sphere
The cross section of ring-shaped groove adopts rectangle, filling lubricating grease in it, while upper two layers ring-shaped groove and the half of tuningout gland
Surface of Sphere is coordinated, and lower two layers ring-shaped groove is then coordinated with the semicircle sphere of tuningout body.
Balance pipe adopt horizontal long structure of tube body, upper even air cell body and hoisting rig and under connect butt rigging, while balance
The gas of pipe memory storage pressure-fired simultaneously aids in air cell body balance lifting, lifts to neutralizing ripple Jing in butt-joint operation Wave and ocean current
The vertical oscillation load that rigging is transmitted.Balance pipe includes base tube body, upper flap seat and middle rest, and the material selection of balance pipe is super
Two phase stainless steel, while entire body coating glass glue.
The two side ends of base tube body are respectively arranged with ring flange, and a cecum flange is each equipped with the outside of each ring flange, from
And base tube body is separated into independent airtight chamber, it is equipped with same size on the end face that each ring flange and cecum flange combine
Two annular grooves on the annular groove of size, and ring flange and cecum flange are arranged symmetrically and constitute toroidal cavity, the annular
Hexagonal metallic ring is configured with cavity, so as to realize the sealing of base tube body two side ends.The left and right sides of base tube body is respectively provided with
Three-way pipe, left and right sides three-way pipe using asymmetric vertical arrangement, and its axis respectively with tuningout gland and tuningout body
Dead in line, axial location of the left and right sides three-way pipe on base tube body is according to center of gravity position of the three-level separator in the left and right sides under water
Depending on putting；The upper end of left and right sides three-way pipe is respectively provided with ring flange, and is connected with the ring flange of tuningout body by studs
Connect.The upper surface of left and right sides threeway pipe flange is machined with the annular groove with same size size on tuningout body flange disk,
And on the annular groove on left and right sides threeway pipe flange and tuningout body flange disk annular groove kernel of section line of symmetry institute
The center circle cylinder of formation keeps overlapping to each other.
Upper flap seat and the vertical setting of middle rest, wherein upper flap seat is symmetrically arranged in the both sides and position of base tube body upper portion pipe body
Position between left and right sides three-way pipe, upper flap seat is divided into two groups, and middle rest is then arranged in base tube body using asymmetrical mode
Lower pipe body on, middle rest is divided into three groups, and rest is located at the underface of left and right sides three-way pipe in two groups of left and right, and middle one group
The position of middle rest then according to the axis of first order separator in three-level separator under water depending on.Per group of upper flap seat and middle rest are equal
Containing two monomers and two monomers are placed in parallel, per group of upper flap seat is identical with specification with the structure of two monomers of middle rest and by half
Circular steel plate and rectangular steel plates are combined, and the opening diameter at semi-circular sheet steel center is equal, upper flap seat respectively with each upper pin
Coordinate and realize being hinged between hoisting rig and balance pipe, while middle rest coordinates respectively with each middle bearing pin and realizes butt rigging
Being hinged between balance pipe.
Hoisting rig is used for completing a whole set of erecting device and the under water lifting of three-level separator, and it is by a main lifting rope and two
Root point lifting rope composition, and be in star arrangement between main lifting rope and point lifting rope, main lifting rope be located on the Central Symmetry face of balance pipe and
On be connected to the crane hook of sea workboat, the equal length of two points of lifting ropes and be symmetrically arranged in main lifting rope both sides and be followed by hanging oneself
Seat.
Butt rigging is used for completing a whole set of erecting device and the under water connection between three-level separator, and realizes three-level under water
The bikini lifting of separator, it is made up of three connecting ropes and three groups of undersettings, the vertical arrangements of three connecting ropes and its grow
Degree is according to depending on each interface position of three-level separator under water, while rest and lower during the two ends of every connecting rope connect respectively
Seat.
The main lifting rope of hoisting rig is identical with the version of point lifting rope and the connecting rope of butt rigging, and main lifting rope,
Lifting rope and connecting rope is divided to be constituted by rope socket, connecting tube and body of restricting, main lifting rope configures a connecting tube and body of restricting, and divides per root
Lifting rope is then furnished with a rope socket, connecting tube and rope body, at the same every connecting rope configure two rope sockets and connecting tube and
One rope body, and two rope sockets and connecting tube of connecting rope are symmetrically arranged in the rope body two side ends of connecting rope and are connected as a single entity.Rope
One side of joint is combined by semicylinder and tetragonal body, and its another side is then using non-uniform shaft and by sealing
Pipe screw thread links together with connecting tube；Connecting tube adopts long body, and its inwall is using the ladder surface of revolution come the rope of static line body
End.
The undersetting of butt rigging is corresponded using vertical arrangement and with middle rest, and every group of undersetting is mutual by two
Parallel side plate and the ring flange of a horizontal positioned is spliced, the biside plate of undersetting and upper flap seat and the monomer of middle rest two
Structure it is identical with specification, the ring flange of undersetting is by studs and method of the three-level separator into each interface of prying body under water
Blue disk is connected, and undersetting coordinates respectively with each lower bearing pin and realizes butt rigging and under water being hinged between three-level separator.
Lifting base is spliced by channel-section steel and I-steel, and the structure and specification phase of base and lower lifting base is lifted thereon
Together, upper lifting base be used for completing three-level separator under water into sled and lift, and lower lifting base then with subsea production tree and
Subsea manifold is connected as a single entity and for completing supporting to neutralization for three-level separator under water.The overall profile of lifting base is presented class
Ship shape, master's " ship " body in the middle part of lifting base is rectangular and arranges three-level separator under water thereon, lifts " ship " of chassis left side
Bow in isosceles trapezoid and its middle part configuration one group of seizure cylinder and traction tube, and lift " ship " stern on the right side of base it is rectangular and its two
Side is arranged symmetrically two groups of seizure cylinders and traction tube, thus three groups of seizure cylinders and traction tube on lifting base in bikini arrangement
Constitute three automatic centering mechanisms.
Catch cylinder and adopt three vertical thick-wall cylinders, and be respectively arranged in upper lifting base, catch cylinder coordinate traction tube and
Lifting and three automatic centerings in centering operation are realized, cylinder is caught and is configured with evenly distributed retaining mechanism and realizes that centering is made
Auto lock in industry, it includes catching base cylinder, lock pin and snap, catches the material selection super-duplex stainless steel of base cylinder, together
Shi Tongti coating glass glue, the material selection 35CrMo of lock pin and modifier treatment, and the material of snap then selects 65Mn.
The cylinder that base cylinder is combined using cylinder and cone is caught, its lower surface is equal with the bottom of upper lifting base
Together, catch base cylinder inner tube wall adopt variable cross-section rotary structure, be drilled to the face of cylinder in the middle part of its inner tube wall, the face of cylinder it is upper
End and lower end are drilled to respectively taper seat, catch the diameter of the upper end taper seat small end disc of base cylinder inner tube wall, the middle part face of cylinder and
The equal diameters of lower end taper seat small end disc, while the taper of its inner tube wall upper end taper seat and high respectively less than its inner tube wall of cone
The taper and cone of lower end taper seat is high.Cylindricality blind hole evenly distributed in the circumferential direction is drilled with the middle part barrel for catching base cylinder,
The bottom of each cylindricality blind hole is machined with the locating shaft of variable cross-section, and the locating shaft adopts multidiameter structure, and the section of locating shaft
The side of snap one that the shaft shoulder is formed at change to be positioned through outside it.
Catch in the cylindricality blind hole on the barrel of base cylinder middle part and be configured with the retaining mechanism being made up of lock pin and snap, lock pin is adopted
Moving sets are formed with multidiameter structure, the outer ring surface of lock pin and the hole wall precision-fit of seizure base cylindrical blind hole, lock pin
Inner side end is provided with wedge groove, and the wedge groove is arranged down；The shaft shoulder is formed at the changes of section of lock pin end face outside with fixed
Snap another side of the position outside it, realizes catching cylinder by the stretching motion of snap come band pendulum lock pin carries out inside and outside sliding
Auto lock between traction tube.
Traction tube adopts three Long Tube Vertical bodies, and is respectively arranged in lower lifting base, catches cylinder by traction and realizes
Automatic centering in lifting and centering operation, it includes traction base tube and support tube, and the material for drawing base tube and support tube is selected
With super-duplex stainless steel, while entire body coating glass glue.The overall profile of traction tube is presented class rocket-shaped, and traction base tube is by boring
Pipe and column jecket are welded, and its lower end is welded with dish type steel plate and the bottom of dish type steel plate and the lower bottom flush for lifting base,
The taper of the outer wall conical surface of Taper Pipe is consistent with the gradient of wedge groove on lock pin in traction base tube, and draws Taper Pipe in base tube
The external diameter of column jecket is equal to and catches the base cylinder inner tube wall middle part face of cylinder in the diameter and traction base tube of the big end disc of the outer wall conical surface
Diameter, the column jecket middle part for drawing base tube is drilled with and catches the circular aperture that cylinder retaining mechanism is engaged, the hole wall of each circular aperture
Coordinated using gap between the outer ring surface of lock pin.Support tube adopts Taper Pipe, and the taper of the outer wall conical surface of Taper Pipe is equal in support tube
The taper of the lower end taper seat of base cylinder inner tube wall is caught, the taper of the outer wall conical surface of Taper Pipe in base tube is simultaneously greater than drawn；Additionally,
Traction base tube and support tube are together fixed on lower lifting base by the top and bottom of support tube by way of circumferential weld
On.
Under water the online installation method of three-level piece-rate system asymmetric is real successively for the online erecting device of support asymmetric
Impose lower a whole set of work flow：Subsea manifold measure with positioning operation, piece-rate system lifting operation, asymmetric centering operation,
Gas vacuole balance pipe reclaims operation and piece-rate system butt-joint operation, thus completes the online Fast Installation of three-level piece-rate system under water.
Subsea manifold is measured, Accurate Determining subsea production tree, subsea manifold and lower lifting bottom
Relative position between seat, including three-dimensional coordinate and attitude etc., while measuring each of subsea production tree and subsea manifold
The space coordinates of each traction tube is arranged on interface and lower lifting base, corresponding lifting is formulated according to subaqueous survey parameter and is made
Industry scheme.
The flow process of piece-rate system lifting operation is to open little gas vacuole and big gas vacuole and balance pipe of the air bleeding valve to air cell body
Base tube body in be filled with the gas of pressure-fired successively, air cell body, hoisting rig and butt rigging are connected as a single entity by balance pipe,
Then each seizure cylinder is formed on into advance dress base of hanging oneself, and by upper lifting base complete three-level separator under water into sled, then
Three-level separator under water is connected to the bottom of air cell body and balance pipe by the three of butt rigging undersettings, butt rigging is realized
Bikini lifting；Finally, according to the subsea manifold and lower lifting base relative position parameter for being determined, by workboat
Loop wheel machine and hoisting rig transfer three-level separator under water, lift the servo-actuated drift in decentralization process according to asymmetric air cell body and make
With and balance pipe and air cell body balanced action and three-level separator under water is smoothly stably lifted to the interface of subsea manifold
Position.
The flow process of asymmetric centering operation is that the servo-actuated drift action in centering operation according to asymmetric air cell body is put down
Weighing apparatus falls the random load such as wave power in wave force and ocean current, the side-play amount in adjust automatically three-level separator level direction under water, while
Vertical oscillation load is balanced according to the asymmetric balanced action of air cell body and balance pipe, adjust automatically three-level separator under water
Vertical deviation amount；Then, using three automatic centering mechanisms between underwater robot and seizure cylinder and traction tube, water is realized
Automatic centering between lower three-level separator and upper lifting base and lower lifting base；Finally, continue to lift decentralization three fraction under water
From device, according to the cooperation between circular aperture on the lock pin and traction base tube of institute's configuration retaining mechanism in seizure base cylinder, realize under water
Auto lock between three-level separator and upper lifting base and lower lifting base.
Gas vacuole balance pipe reclaim operation flow process be, using underwater robot open little gas vacuole from air bleeding valve to air cell body and
Air intracellular is sequentially filled seawater, then closes air bleeding valve；Then, unscrewed on butt rigging undersetting using underwater robot
Studs, according to balance pipe balanced action and pass through loop wheel machine and hoisting rig by butt rigging from three-level separator under water into
Disassemble and be recycled on workboat on each interface of prying body.
The flow process of piece-rate system butt-joint operation is that the balanced action of foundation balance pipe simultaneously passes through loop wheel machine, hoisting rig and company
Connect rigging successively stably to lift connected pipes to the interface of three-level separator oil gas collection conduits lower end under water, and using under water
Robot and connected pipes will be connected to three-level separator under water by petroleum pipeline under water；Then, connecting water pipe is stably lifted under water
The interface of three-level separator drainage pipeline lower end, and will water-supply-pipe and under water three-level under water using underwater robot and connecting water pipe
Separator is connected as a single entity；Finally, stably lift oil pipe is bridged to subsea manifold interface and water according to the balanced action of balance pipe
Position between lower three-level separator inlet, three-level separator will be connected to and be adopted under water under water using underwater robot and bridging oil pipe
Oil tree and subsea manifold, so as to realize sea-bottom oil-gas well production fluid directly carry out under water oil and gas and water from oil-polluted water away from
Reason.
What the present invention to be reached has the technical effect that, the online erecting device of the asymmetric is according to asymmetric air cell body
The balanced action of servo-actuated drift action, balance pipe and air cell body, the bikini lifting of butt rigging and seizure cylinder and traction tube
Between three automatic centerings and retaining mechanism, realize the stable lifting of three-level piece-rate system under water, automatic centering and locking and its
Rapid abutting joint and online installation between subsea manifold and submarine pipeline；Air cell body adopts the double gas vacuoles of asymmetric, according to spherical
Adjusting deviation device completes servo-actuated drift, the side-play amount of adjust automatically erecting device horizontal direction, while according to air cell body and balance pipe
Balanced action adjust automatically vertical deviation amount, it is ensured that the stable lifting of three-level piece-rate system under water；Butt rigging is completed under water
The bikini lifting of three-level separator, upper lifting base complete three-level separator under water into sled and lift, and lower lifting base
Then complete supporting to neutralization for three-level separator under water；Three groups of seizure cylinders and traction tube are on lifting base in bikini arrangement
Three automatic centering mechanisms are constituted, cylinder is caught and is coordinated traction tube and realize lifting and three automatic centerings in centering operation, caught
Catch and evenly distributed retaining mechanism is configured with cylinder and the auto lock in centering operation is realized；The online installation method of asymmetric
Make with positioning operation, piece-rate system lifting operation, asymmetric centering to rely on erecting device to implement subsea manifold measurement successively
Industry, gas vacuole balance pipe reclaim a whole set of work flow of operation and piece-rate system butt-joint operation, complete the online of piece-rate system under water
Fast Installation.
Description of the drawings
Below in conjunction with the accompanying drawings the present invention is further illustrated, but the invention is not limited in following examples.
Fig. 1 is the allusion quotation according to the online erecting device of the piece-rate system asymmetric of three-level under water and method proposed by the invention
Type structure diagram.
Fig. 2 is the structure diagram of air cell body in the online erecting device of three-level piece-rate system asymmetric under water.
Fig. 3 is balance pipe, hoisting rig and butt rigging in the online erecting device of three-level piece-rate system asymmetric under water
Structure diagram.
Fig. 4 is the structure letter for catching cylinder and upper lifting base in the online erecting device of three-level piece-rate system asymmetric under water
Figure.
Fig. 5 is the structure letter of traction tube and lower lifting base in the online erecting device of three-level piece-rate system asymmetric under water
Figure.
Fig. 6 is the top view of Fig. 5.
Fig. 7 is the flow process letter of piece-rate system lifting operation in the online installation method of three-level piece-rate system asymmetric under water
Figure.
Fig. 8 is the flow process letter of asymmetric centering operation in the online installation method of three-level piece-rate system asymmetric under water
Figure.
Fig. 9 is that under water gas vacuole balance pipe reclaims the flow process letter of operation in the online installation method of three-level piece-rate system asymmetric
Figure.
Figure 10 is the flow process letter of piece-rate system butt-joint operation in the online installation method of three-level piece-rate system asymmetric under water
Figure.
1- hoisting rigs in figure, 2- air cell bodies, 3- balance pipes, 4- butt riggings, 5- three-level separators under water, 6-
Lifting base, 7- seizure cylinders, 8- traction tubes, the little gas vacuoles of 9-, 10- air bleeding valves, the big gas vacuoles of 11-, 12- tuningout spheroids,
13- tuningout glands, 14- tuningout bodies, the main lifting ropes of 15-, 16- point of lifting rope, 17- upper pins, the upper flap seats of 18-, 19- bases
Body, rest in 20-, bearing pin in 21-, 22- connecting ropes, 23- lower bearing pins, 24- undersettings, 25- catches base cylinder, 26-
Snap, 27- lock pins lift base on 28-, 29- support tubes, 30- traction base tubes lift base under 31-, 32- is under water
Production tree, 33- subsea manifolds, 34- bridging oil pipes, 35- pipe flap seats, 36- connected pipes, 37- petroleum pipelines under water, 38-
Connecting water pipe, 39- water-supply-pipes under water.
Specific embodiment
In FIG, under water the online erecting device of three-level piece-rate system asymmetric mainly by hoisting rig 1, air cell body 2,
Balance pipe 3, butt rigging 4, lifting base 6, seizure cylinder 7 and traction tube 8 are constituted, and the online installation method of its asymmetric is for successively
Implement subsea manifold measurement and reclaim work with positioning operation, piece-rate system lifting operation, asymmetric centering operation, gas vacuole balance pipe
The a whole set of work flow of industry and piece-rate system butt-joint operation, thus completes the online Fast Installation of three-level separator 5 under water.
In FIG, before the assembling of the asymmetric online erecting device, hoisting rig 1 and the main element of butt rigging 4 it is outer
Surface is coated respectively the anti-seawater corrosion of grease and processes, and lifts the outer surface of the main element of base 6 and carries out spray painting preservative treatment.
When the online erecting device of the asymmetric is assembled, during first hoisting rig 1 is passed through by upper pin and butt rigging 4 successively
Bearing pin is connected in one with balance pipe 3, then the little gas vacuole and big gas vacuole of air cell body 2 is connected into 3 liang of balance pipe by tuningout body
Side, then under water three-level separator 5 by the upper lifting base of lifting base 6 into prizing and by lower bearing pin be connected to butt rigging 4
Lower end realizes that bikini is lifted, and last three groups of seizure cylinders 7 and traction tube 8 are arranged in bikini on lifting base 6 and constitute three
Cylinder automatic centering mechanism, and the lower lifting base of lifting base 6 is linked as one with traction tube 8 with subsea production tree and subsea manifold
Body.
In FIG, when the online erecting device of the asymmetric is debugged, tuningout spheroid Surface of Sphere and the tuningout pressure of air cell body 2
Between the semicircle sphere of lid and tuningout body can comprehensive flexible rotating and fluent in space, in catching the retaining mechanism of cylinder 7
Lock pin and traction tube 8 in draw between the circular aperture of base tube can flexibly sliding and fluent, and keep air cell body 2 and balance
Pipe 3 and the under water cleaning of the inwall of three-level separator 5；Meanwhile, it is examined in the air bleeding valve of air cell body 2 and under water three-level separator 5
Underwater safety valve, subsea control valve, under water the switch of the valve such as shut-off valve it is whether correct, check tuningout spheroid in air cell body 2
Whether lubricating grease is full of in each layer ring-shaped groove, checks that the lock pin caught in the retaining mechanism of cylinder 7 has in not damaged and air cell body 2
There is no marking on the semicircle sphere of tuningout gland and tuningout body, to check at each bearing pin and thread connection and whether firmly and have rustless
Erosion.
In FIG, in the online erecting device of the asymmetric hoisting rig 1, air cell body 2, butt rigging 4, seizure cylinder 7
Vertical is adopted with traction tube 8, and balance pipe 3 and lifting base 6 then adopt horizontal arrangement, according to non-right in installation exercise
The servo-actuated drift action of title formula air cell body 2, the balanced action of balance pipe 3 and air cell body 2, the bikini lifting of butt rigging 4 with
And catch three automatic centerings between cylinder 7 and traction tube 8 and retaining mechanism, complete the stable lifting of three-level separator 5 under water, from
The dynamic rapid abutting joint to neutralization locking and its between subsea manifold and submarine pipeline and online installation.
In fig. 2, little gas vacuole 9 and big gas vacuole 11 gas vacuole volume according to lifting and centering operation place marine site wave force and
The random load situation such as wave power, hoisting rig 1 are transmitted in ocean current vertical oscillation load and under water three-level separator 5 are on a left side
The combined factors such as the gross weight that right both sides are concentrated carry out type selecting, while the specification of air bleeding valve 10 is according to little gas vacuole 9 and big gas vacuole
11 gas vacuole volume is chosen respectively, comprehensive tune in space between tuningout spheroid 12 and tuningout gland 13 and tuningout body 14
Inclined angle is set according to random load actual conditions such as wave powers in lifting and centering operation place marine site wave force and ocean current
Meter.
In fig. 2, little gas vacuole 9 and big gas vacuole 11 are collected in the both sides of balance pipe 3 according to the left and right sides of three-level separator 5 under water
In gross weight carry out asymmetric and arrange and form accordingly floating load to be balanced, thus adjust automatically erecting device is vertical
Displacement；Connected by spherical pair between tuningout spheroid 12 and tuningout gland 13 and tuningout body 14 and constitute spherical aligning machine
Structure, is achieved in the servo-actuated drift action of air cell body 2 and the side-play amount of adjust automatically erecting device horizontal direction, so as to complete water
The stable lifting of lower three-level separator 5；In addition, by air bleeding valve 10 pressure-fired can be filled with little gas vacuole 9 and big gas vacuole 11
Gas and seawater.
In figure 3, sea situation, lifting of the volume of base tube body 19 according to lifting and centering operation place marine site in balance pipe 3
The combined factors such as the floating load of vertical oscillation load and required maximum that rigging 1 is transmitted carry out type selecting, the pipe range of base tube body 19
Selection then need to consider the overall size of 5 one-tenth prying bodies of three-level separator under water；Main lifting rope 15 and point lifting rope 16 in hoisting rig 1
Most hook of the specification according to the sea situation and lifting lifted with centering operation place marine site under water required for three-level separator 5
Load is designed, and the specification of connecting rope 22 then needs to consider lifting, place in operation is reclaimed to neutralization in butt rigging 4
Under water three-level separator 5 and maximum tension stress required when bridging oil pipe are chosen for the sea situation in marine site and lifting.
In figure 3, the gas of the memory storage pressure-fired of base tube body 19, so as to realizing the balanced action of balance pipe 3 and aiding in gas
Cell space 2 balance lifting, to neutralize butt-joint operation in vertical oscillation load；Base tube body 19 is by the upper flap seat 18 on its outer ring surface
With the cooperation between upper pin 17 and upper company point lifting rope 16, and by the cooperation between middle rest 20 and middle bearing pin 21 under splicing in succession
22, while main lifting rope 15 is connected with the loop wheel machine on workboat, and connecting rope 22 passes through matching somebody with somebody between lower bearing pin 23 and undersetting 24
Close and realize online erecting device and the under water connection of three-level separator 5.
In the diagram, the upper specification of lifting base 28 of base 6 is lifted according to the total of 5 one-tenth prying bodies of three-level separator under water
Size is adjusted, and channel-section steel and the particular location of I-steel splicing are according to each in three-level separator 5 under water in upper lifting base 28
Level separator arrangement orientation and determine；Catch in the cylindricality blind hole caught in cylinder 7 on the barrel of base cylinder 25 and configure by the He of lock pin 27
Snap 26 constitute retaining mechanism, retaining mechanism it is along the circumferential direction evenly distributed and by snap 26 stretching motion band pendulum lock pin
27 carry out inside and outside sliding, so as to realize centering operation in catch auto lock between cylinder 7 and traction tube 8.
In fig. 5 and fig., the structure and specification and upper lifting base 28 for lifting the lower lifting base 31 of base 6 is protected
Hold consistent, the support tube 29 and traction base tube 30 of three groups of traction tubes 8 lift base 31 and upper lifting bottom lower respectively with cylinder 7 is caught
Arrange in bikini on seat 28 and constitute three automatic centering mechanisms, base cylinder 25 and traction base are caught in three automatic centering mechanisms
The position of pipe 30 is corresponded and is realized lifting and three automatic centerings in centering operation by cooperation.
In the figure 7, in piece-rate system lifting operation flow process, it is filled with respectively in little gas vacuole 9, big gas vacuole 11 and base tube body 19
The gas of pressure-fired is simultaneously linked together by ring flange and studs, and base tube body 19 on upper flap seat 18 by connecting main lifting rope 15
Splicing 22 in succession under with point lifting rope 16 and by middle rest 20, under water the separators at different levels of three-level separator 5 are at upper lifting bottom
It is sequentially arranged on seat 28 and forms sled, and is connected with online erecting device by undersetting 24 and realizes that bikini is lifted.Lifting
During progressively transfer three-level separator 5 under water by constantly discharging main lifting rope 15, using the servo-actuated of asymmetric air cell body 2
The random load such as wave power in drift action Real-time Balancing wave force and ocean current, while being made using the balance of balance pipe 3 and air cell body 2
With the vertical oscillation load of Real-time Balancing, so as to three-level separator 5 under water is smoothly stably lifted to the interface position of subsea manifold
Place.
In fig. 8, in asymmetric centering work flow, the servo-actuated drift action using asymmetric air cell body 2 is real-time
The random load such as wave power in balance wave force and ocean current, under water level of the three-level separator 5 in the side of little gas vacuole 9 is inclined for adjust automatically
Shifting amount θ1With the horizontal offset θ of the side of big gas vacuole 112, while using balance pipe 3 and the balanced action Real-time Balancing of air cell body 2
Vertical oscillation load, the vertical deviation amount of adjust automatically three-level separator 5 under water, so as to keep three-level separator 5 under water making
Stablizing in industry；Then, the traction base tube 30 of each automatic centering relevant position of seizure base cylinder 25 is continued using underwater robot
Three-level separator 5 under water is smoothly transferred, the lock pin 27 of the internal locking mechanism of base cylinder to be captured 25 is slided under the promotion of snap 26 and led
After drawing the circular aperture of the tube wall of base tube 30, auto lock between cylinder 7 and traction tube 8 is caught, so as to consolidate three-level separator 5 under water
On the lifting base 6 of sea bed.
In fig .9, gas vacuole balance pipe is reclaimed in work flow, and air bleeding valve 10 is opened and to little first with underwater robot
Seawater is filled up in gas vacuole 9 and big gas vacuole 11, to remove the floating load of air cell body 2；Then, unscrew successively and pull out using underwater robot
The studs gone out on each undersetting 24, three-level separator 5 will disassemble under water from online erecting device；Finally, pass through
Loop wheel machine and hoisting rig 1 are together recycled to air cell body 2, balance pipe 3 and butt rigging 4 on workboat.
In Fig. 10, in piece-rate system butt-joint operation flow process, it is made up of newly hoisting rig 1, balance pipe 3 and butt rigging 4
Hanging apparatus and using balance pipe 3 balanced action implement lifting operation, connected pipes 36 are stably lifted under water first
The interface of the oil gas collection conduits lower end of three-level separator 5, tightens each studs and will connect oil successively using underwater robot
Pipe 36 and under water petroleum pipeline 37 are connected on three-level separator 5 under water；Then, connecting water pipe 38 is stablized using new hanging apparatus
Lift to the interface of the drainage pipeline lower end of three-level separator 5 under water, tighten each studs using underwater robot and successively will
Connecting water pipe 38 and under water water-supply-pipe 39 are connected on three-level separator 5 under water；Finally, coordinated by pipe flap seat 35 and lower bearing pin 23
Bridging oil pipe 34 is connected into new hanging apparatus, and is stably lifted to the interface of subsea manifold 33 and the entrance of three-level separator 5 under water
Between position, tighten each studs using underwater robot and an end of bridging oil pipe 34 be connected into the He of subsea production tree 32
The other end for bridging oil pipe 34 on subsea manifold 33 simultaneously links together with three-level separator 5 under water, then using machine under water
Device people extracts each lower bearing pin 23 so as to new hanging apparatus be disassembled from bridging oil pipe 34, and by loop wheel machine and lifting rope
Tool 1 is recycled to new hanging apparatus on workboat.
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each part, connected mode etc. all can be
Change, every equivalents carried out on the basis of technical solution of the present invention and improvement should not be excluded the present invention's
Outside protection domain.
Claims (10)
1. one kind online erecting device of three-level piece-rate system asymmetric and method under water, the online erecting device of the asymmetric according to
According to the servo-actuated drift action of the asymmetric air cell body of balance pipe both sides, the balanced action of balance pipe and air cell body, butt rigging
Bikini lifting and catch three automatic centerings between cylinder and traction tube and retaining mechanism, realize three-level piece-rate system under water
Stable lifting, automatic centering and locking and its rapid abutting joint between subsea manifold and submarine pipeline and it is online install, it is special
Levy and be：
The global design of the online erecting device of the asymmetric is constructed using asymmetric, wherein air cell body, hoisting rig, connection
Rigging, seizure cylinder and traction tube adopt vertical, and balance pipe and lifting base then adopt horizontal arrangement；
One air cell body；The air cell body completes servo-actuated drift using the double gas vacuole constructions of asymmetric according to spherical adjusting deviation device, from
The side-play amount of dynamic adjustment erecting device horizontal direction, while according to the vertical position of asymmetric balanced action adjust automatically erecting device
Shifting amount；Each part of air cell body adopts split-type structural, little gas vacuole and big gas vacuole to adopt the gas vacuole of back taper, and by upper ball
Body and lower cone are constituted, and wherein upper sphere adopts hemisphere, upper sphere top to be provided with cylindrical end tangs and configure air bleeding valve；Air cell body
Spherical adjusting deviation device be made up of tuningout spheroid, tuningout gland and tuningout body, tuningout spheroid and tuningout gland and tuningout body
Between adopt spherical pair, the central part of tuningout body upper surface is machined with semicircle sphere, the centre of sphere position of tuningout body semicircle sphere
On the axis of tuningout body, annular groove is milled with the lower surface of tuningout body flange disk, is furnished with hexagonal metallic ring in it；
The central part of tuningout gland upper surface is drilled with the rounding conical surface, and in the tuningout gland cavity wall of the rounding conical surface lower end semicircle is machined with
Sphere, semicircle sphere and the semicircle sphere of tuningout body of tuningout gland remain concentric, while the semi-round ball of tuningout gland
Face lower chamber wall is lined with tubulose gland；The middle part of tuningout spheroid is from top to bottom successively using reverse taper and cylinder, and its underpart
Then adopt Surface of Sphere, the Surface of Sphere remains concentric with the semicircle sphere of tuningout gland and tuningout body, and the Surface of Sphere by
Upper and have the ring-shaped groove of equidistant layered arrangement, the lower end of tuningout spheroid is cut with parallel with its top disk body end face
Tangent plane；
One balance pipe；The balance pipe adopts horizontal long body, the two side ends of base tube body to be respectively arranged with ring flange, each ring flange
Outside configure a cecum flange, so as to base tube body is separated into independent airtight chamber, the left and right sides point of base tube body
Three-way pipe is not set, left and right sides three-way pipe using asymmetric vertical arrangement and its upper end is respectively provided with ring flange, the ring flange
Upper surface be machined with annular groove with same size size on tuningout body flange disk；Upper flap seat and middle rest is vertical sets
Put, wherein upper flap seat is symmetrically arranged in the both sides and the position between left and right sides three-way pipe of base tube body upper portion pipe body, hang oneself
Seat is divided into two groups, and middle rest is then arranged on the lower pipe body of base tube body using asymmetrical mode, and middle rest is divided into three groups；
One hoisting rig and butt rigging；The hoisting rig is made up of a main lifting rope and two pieces points of lifting ropes, and main lifting rope with
It is in star arrangement to divide between lifting rope, and the butt rigging is made up of three connecting ropes and three groups of undersettings, and three connecting ropes are hung down
To arrangement；Main lifting rope, point lifting rope and connecting rope are constituted by rope socket, connecting tube and rope body, and main lifting rope configures a connecting tube
With rope body, per root, a point lifting rope is then furnished with a rope socket, connecting tube and rope body, while every connecting rope configures two rope sockets
With connecting tube and a rope body, every group of undersetting is by the ring flange splicing of two side plates being parallel to each other and a horizontal positioned
Into；
One lifting base；The lifting base is spliced by channel-section steel and I-steel, and its overall profile is presented class ship shape, lifts bottom
Master's " ship " body in the middle part of seat is rectangular, and " ship " bow on the left of it is in isosceles trapezoid, and " ship " stern on the right side of it is rectangular, and thus three
Group catches cylinder and traction tube and arranges in bikini on lifting base and constitute three automatic centering mechanisms；
One catches cylinder；The seizure cylinder adopts three vertical thick-wall cylinders, and is respectively arranged in upper lifting base；Catch base cylinder to adopt
The cylinder combined with cylinder and cone, on its middle part barrel cylindricality blind hole evenly distributed in the circumferential direction is drilled with, each
The bottom of cylindricality blind hole is machined with the locating shaft of variable cross-section；Catch in the cylindricality blind hole on the barrel of base cylinder middle part and be configured with by lock pin
The retaining mechanism constituted with snap, lock pin adopts multidiameter structure, and the inner side end of lock pin is provided with wedge groove；
One traction tube；The traction tube adopts three Long Tube Vertical bodies, and is respectively arranged in lower lifting base, and its overall profile is in
Existing class rocket-shaped；Support tube adopts Taper Pipe, traction base tube to be welded by Taper Pipe and column jecket, the taper of the outer wall conical surface of its Taper Pipe
It is consistent with the gradient of wedge groove on lock pin, and its circular port that column jecket middle part is drilled with and seizure cylinder retaining mechanism is engaged
Eye；
Under water the online installation method of three-level piece-rate system asymmetric implements successively one for the online erecting device of support asymmetric
A whole set of work flow, including：Subsea manifold is measured and positioning operation, piece-rate system lifting operation, asymmetric centering operation, gas
Born of the same parents' balance pipe reclaims operation and piece-rate system butt-joint operation, thus completes the online Fast Installation of three-level piece-rate system under water.
2. the online erecting device of the piece-rate system asymmetric of three-level under water according to claim 1 and method, its feature exists
In：The air bleeding valve of the air cell body, tuningout spheroid, tuningout gland and tuningout body are completely identical in structure containing left and right two
Monomer, and correspond with little gas vacuole and big gas vacuole respectively, the axis between the tuningout gland of left and right two and tuningout body keeps
It is parallel；
The double gas vacuoles of the asymmetric of the air cell body include that little gas vacuole and the lower cone of big gas vacuole, little gas vacuole and big gas vacuole adopt
Cone, and the big end disc on lower cone top keeps tangent with the lower surface junction of little gas vacuole and big gas vacuole upper sphere；
The air cell body is voluntarily adjusted by the random loads such as wave power in wave force and ocean current, the tuningout spheroid in spherical adjusting deviation device
Whole angle simultaneously completes the servo-actuated drift of little gas vacuole and big gas vacuole, so as to adjust the side-play amount of erecting device horizontal direction.
3. the online erecting device of the piece-rate system asymmetric of three-level under water according to claim 1 and 2 and method, its feature
It is：The tuningout body adopts cylinder, its underpart to be attached with balance pipe by ring flange；Under tuningout body flange disk
Annular groove section on end face is in isosceles trapezoid, and hexagonal metallic ring of configuration adopts crude metal ring body in it；
The outer ring surface of the tuningout gland is from top to bottom followed successively by taper seat and the face of cylinder, tuningout gland upper surface central part
, with diameter greater than the external diameter of tuningout spheroid middle part cylinder, and the taper of the rounding conical surface is more than air cell body for rounding conical surface small end disc
Tuningout angle, the tubulose gland of tuningout gland semicircle sphere bottom passes through sealing pipe screw thread by tuningout gland and this body phase of tuningout
Connection；
The top of the tuningout spheroid is linked together with little gas vacuole and big gas vacuole respectively by disk body, tuningout spheroid reverse taper
Taper be equal to the tuningout gland rounding conical surface taper；The Surface of Sphere of tuningout spheroid and tuningout gland and the semi-round ball of tuningout body
Face is coordinated using gap and constitutes spherical pair, and the cavity wall at the tangent plane central part of tuningout spheroid lower end is using taper seat and cylinder
The structure for combining, each layer ring-shaped groove on tuningout spheroid Surface of Sphere along the Surface of Sphere slant setting of tuningout spheroid, and respectively
The conical point of the layer ring-shaped groove center line place conical surface keeps concentric with the centre of sphere of tuningout spheroid Surface of Sphere, while upper two layers
Ring-shaped groove is coordinated with the semicircle sphere of tuningout gland, and lower two layers ring-shaped groove enters with the semicircle sphere of tuningout body
Row coordinates.
4. the online erecting device of the piece-rate system asymmetric of three-level under water according to claim 1 and method, its feature exists
In：Connect on the balance pipe air cell body and hoisting rig and under connect butt rigging, each ring flange and cecum of base tube body two side ends
Two annulars being equipped with the end face that flange combines on the annular groove of same size size, and ring flange and cecum flange are recessed
Groove is arranged symmetrically and constitutes toroidal cavity, and hexagonal metallic ring is configured with the toroidal cavity；Base tube body left and right sides three-way pipe
Axis respectively with the dead in line of tuningout gland and tuningout body, the annular groove and tuningout on left and right sides threeway pipe flange
The center circle cylinder that the kernel of section line of symmetry of annular groove is formed on body flange disk keeps overlapping to each other；
In two groups of left and right in the balance pipe rest be located at left and right sides three-way pipe underface, and in middle one group rest position
Put then according to the axis of first order separator in three-level separator under water depending on；Per group of upper flap seat and middle rest contain two lists
Two monomers of body and two monomers are placed in parallel, per group of upper flap seat and middle rest are combined by semi-circular sheet steel and rectangular steel plates.
5. the online erecting device of the piece-rate system asymmetric of three-level under water and method according to claim 1 or 4, its feature
It is：The main lifting rope of the hoisting rig be located on the Central Symmetry face of balance pipe and on be connected to the crane hook of workboat, hang
The equal length of two points of lifting ropes and it is symmetrically arranged in main lifting rope both sides and is followed by upper flap seat in dress rigging；
The butt rigging realizes the bikini lifting of three-level separator under water, and three connecting rope length are separated according to three-level under water
Depending on each interface position of device, and rest and undersetting during the two ends of every connecting rope connect respectively；Undersetting adopts vertical cloth
Put and correspond with middle rest, the biside plate of every group of undersetting and upper flap seat and the structure and specification phase of the monomer of middle rest two
Together；
Two rope sockets and connecting tube of connecting rope are symmetrically arranged in the rope body two side ends of connecting rope and are linked as in the butt rigging
Integrally, a side of the rope socket of main lifting rope, point lifting rope and connecting rope is combined by semicylinder and tetragonal body, and its is another
Side adopts non-uniform shaft, and connecting tube then adopts long body, and its inwall is using the ladder surface of revolution come the end portion of static line body.
6. the online erecting device of the piece-rate system asymmetric of three-level under water according to claim 1 and method, its feature exists
In：The upper lifting base of the lifting base is identical with specification with the structure of lower lifting base, and upper lifting base completes under water three
Level separator into sled and lift, and lower lifting base is then connected as a single entity with subsea production tree and subsea manifold and completes under water three
Level separator to neutralization support；Three-level separator under water is arranged on master's " ship " body in the middle part of lifting base, " ship " on the left of it
Bow middle part one group of seizure cylinder of configuration and traction tube, and " ship " the stern both sides on the right side of it are arranged symmetrically two groups of seizure cylinders and traction tube.
7. the online erecting device of the piece-rate system asymmetric of three-level under water according to claim 1 and method, its feature exists
In：The seizure cylinder is furnished with evenly distributed retaining mechanism, and the inner tube wall for catching base cylinder adopts variable cross-section rotary structure, in it
The face of cylinder is drilled in the middle part of barrel, the top and bottom on the face of cylinder are drilled to respectively taper seat, catch the upper end of base cylinder inner tube wall
The equal diameters of the diameter, the middle part face of cylinder and lower end taper seat small end disc of taper seat small end disc, while on its inner tube wall
The high taper for being respectively less than its inner tube wall lower end taper seat of taper and cone of end taper seat and cone are high；Catch base cylindrical blind via bottom
Locating shaft adopt and formed at multidiameter structure, and the changes of section of locating shaft snap side of the shaft shoulder to be positioned through outside it
End；
It is described catch cylinder lock pin outer ring surface with catch base cylindrical blind hole hole wall precision-fit and form moving sets, in lock pin
The wedge groove of side end face is arranged down；Snap of the shaft shoulder to be positioned through outside it is formed at the changes of section of lock pin end face outside
Another side, carries out inside and outside sliding and realizes catching automatic between cylinder and traction tube by the stretching motion of snap with pendulum lock pin
Locking.
8. the online erecting device of the piece-rate system asymmetric of three-level under water and method according to claim 1 or 7, its feature
It is：The traction tube catches cylinder and realizes lifting and the automatic centering in centering operation by traction, draws the lower end weldering of base tube
There are the bottom of dish type steel plate and dish type steel plate and the bottom flush of lower lifting base, the outer wall conical surface for drawing Taper Pipe in base tube is big
The external diameter of column jecket is equal to the diameter for catching the base cylinder inner tube wall middle part face of cylinder in the diameter and traction base tube of end disc, draws base
Coordinated using gap between the hole wall of each circular aperture and the outer ring surface of lock pin in pipe in the middle part of column jecket；The outer wall of Taper Pipe in support tube
The taper of the conical surface is equal to the taper of the lower end taper seat for catching base cylinder inner tube wall, simultaneously greater than draws the outer wall cone of Taper Pipe in base tube
The taper in face.
9. the online erecting device of the piece-rate system asymmetric of three-level under water according to claim 1 and method, its feature exists
In：The flow process of the piece-rate system lifting operation is to open little gas vacuole and big gas vacuole and balance pipe of the air bleeding valve to air cell body
Base tube body in be filled with the gas of pressure-fired successively, air cell body, hoisting rig and butt rigging are connected as a single entity by balance pipe,
Then each seizure cylinder is formed on into advance dress base of hanging oneself, and by upper lifting base complete three-level separator under water into sled, then
Three-level separator under water is connected to the bottom of air cell body and balance pipe by the three of butt rigging undersettings, butt rigging is realized
Bikini lifting；Finally, according to the subsea manifold and lower lifting base relative position parameter for being determined, by workboat
Loop wheel machine and hoisting rig transfer three-level separator under water, lift the servo-actuated drift in decentralization process according to asymmetric air cell body and make
With and balance pipe and air cell body balanced action and three-level separator under water is smoothly stably lifted to the interface of subsea manifold
Position；
The flow process of the asymmetric centering operation is that the servo-actuated drift action in centering operation according to asymmetric air cell body is put down
Weighing apparatus falls the random load such as wave power in wave force and ocean current, the side-play amount in adjust automatically three-level separator level direction under water, while
Vertical oscillation load is balanced according to the asymmetric balanced action of air cell body and balance pipe, adjust automatically three-level separator under water
Vertical deviation amount；Then, using three automatic centering mechanisms between underwater robot and seizure cylinder and traction tube, water is realized
Automatic centering between lower three-level separator and upper lifting base and lower lifting base；Finally, continue to lift decentralization three fraction under water
From device, according to the cooperation between circular aperture on the lock pin and traction base tube of institute's configuration retaining mechanism in seizure base cylinder, realize under water
Auto lock between three-level separator and upper lifting base and lower lifting base.
10. the online erecting device of the piece-rate system asymmetric of three-level under water according to claim 1 and method, its feature exists
In：The flow process of the piece-rate system butt-joint operation is that the balanced action of foundation balance pipe simultaneously passes through loop wheel machine, hoisting rig and connection
Rigging successively stably lifts connected pipes to the interface of three-level separator oil gas collection conduits lower end under water, and using machine under water
Device people and connected pipes will be connected to three-level separator under water by petroleum pipeline under water；Then, connecting water pipe is stably lifted under water three
The interface of level separator drainage pipeline lower end, and will water-supply-pipe and under water three fractions under water using underwater robot and connecting water pipe
It is connected as a single entity from device；Finally, oil pipe will be bridged according to the balanced action of balance pipe stably to lift to subsea manifold interface and under water
Position between three-level separator inlet, submerged production will be connected to by three-level separator using underwater robot and bridging oil pipe under water
Tree and subsea manifold, so as to realize sea-bottom oil-gas well production fluid directly carry out under water oil and gas and water from and oily waste water treatment.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111663923A (en) * | 2020-06-30 | 2020-09-15 | 中国石油大学(北京) | Shallow water is production tree under water and is prevented trawlnet frame construction |
| CN117886205A (en) * | 2024-03-06 | 2024-04-16 | 河南华北起重吊钩有限公司 | Electric rotary telescopic electromagnetic lifting appliance |
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| CN117886205A (en) * | 2024-03-06 | 2024-04-16 | 河南华北起重吊钩有限公司 | Electric rotary telescopic electromagnetic lifting appliance |
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