CN105042186B - Crude oil of offshore platform standpipe repairs more changing device and crude oil standpipe maintenance replacing options - Google Patents
Crude oil of offshore platform standpipe repairs more changing device and crude oil standpipe maintenance replacing options Download PDFInfo
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- CN105042186B CN105042186B CN201510386074.8A CN201510386074A CN105042186B CN 105042186 B CN105042186 B CN 105042186B CN 201510386074 A CN201510386074 A CN 201510386074A CN 105042186 B CN105042186 B CN 105042186B
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- crude oil
- standpipe
- waterproof cabin
- cabin
- waterproof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/26—Repairing or joining pipes on or under water
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- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention provides a kind of new crude oil of offshore platform standpipe maintenance more changing device, including waterproof cabin and the connection component of some groups of connection waterproof cabins and offshore platform spud leg, the bottom of the waterproof cabin are provided with a through hole run through for crude oil standpipe；Also include seal, the seal includes the rubber seal cylinder and rubber seal frustum set gradually, and the diameter of the upper bottom surface of the rubber seal frustum is less than the diameter of bottom surface；The rubber seal cylinder connects with the less upper bottom surface of the diameter of rubber seal frustum, and the seal is provided with through the inner chamber of axial both ends of the surface；The bottom surface of the rubber seal frustum is connected with through hole.The present invention also provides a kind of maintenance replacing options of crude oil of offshore platform standpipe.New crude oil of offshore platform standpipe maintenance more changing device of the present invention, can make with seawater to isolate inside waterproof cabin, prevent waterproof cabin from intaking；Below waterproof cabin and when being fixedly mounted, construction safety that is easy to operate and can guarantee that staff.
Description
Technical field
The present invention relates to the maintenance field of crude oil standpipe, more particularly to a kind of new crude oil of offshore platform standpipe maintenance is changed
The maintenance replacing options of device and crude oil standpipe.
Background technology
The existing maintenance replacing technology of crude oil of offshore platform standpipe is divided into maintenance waterborne according to damage location difference and changes skill
Art and underwater maintenance change technology, and above water standpipe maintenance replacing is cut replacing crude oil using conventional method more than the water surface and stood
Pipe, can only repair the standpipe section more than water surface.The maintenance of underwater portion standpipe is changed, and is tieed up using a kind of crude oil of offshore platform standpipe
Repair the maintenance replacing that device carries out crude oil standpipe；Above-mentioned maintenance unit includes：Waterproof cabin, waterproof cabin are the cavity volume of an opening upwards
Structure, its bottom are provided with a through hole run through for crude oil standpipe；Suction pump, it is connected to waterproof cabin bottom by pipeline and extracts cabin
Interior ponding discharge is out of my cabin；Connection component, connect waterproof cabin and offshore platform spud leg.But also there is following ask in this maintenance unit
Topic：1st, after being drawn water inside waterproof cabin, sealing effectiveness is not that might have seawater entrance very well；2nd, by waterproof cabin be put into seawater and
The operation inconvenience of fixation procedure, and have potential safety hazard；3rd, waterproof cabin sealed bottom needs diver's underwater operation, by weather wave
Influence big.
The content of the invention
The invention aims to overcome the deficiencies in the prior art, there is provided a kind of new crude oil of offshore platform standpipe maintenance is more
Changing device, it can make with seawater to isolate inside waterproof cabin, prevent waterproof cabin from intaking.
Another object of the present invention is to provide for a kind of maintenance replacing options of crude oil of offshore platform standpipe.
In order to achieve the above object, the present invention uses following technical scheme：
A kind of new crude oil of offshore platform standpipe maintenance more changing device, including waterproof cabin and some groups of connection waterproof cabins and sea
The connection component of upper mounting plate spud leg, the bottom of the waterproof cabin are provided with a through hole run through for crude oil standpipe；Also include seal,
The seal includes the rubber seal cylinder and rubber seal frustum that set gradually, the upper bottom surface of the rubber seal frustum it is straight
Footpath is less than the diameter of bottom surface；The rubber seal cylinder connects with the upper bottom surface of rubber seal frustum, and the seal is provided with and passed through
Wear the inner chamber of rubber seal cylinder, rubber seal frustum and axial both ends of the surface；The bottom surface of the rubber seal frustum connects with through hole
Connect.
Preferably, the connection component includes two arc pipe clamps, for waterproof cabin to be fixed on into offshore platform spud leg
Steel wire rope and shackle；Described two arc pipe clamps connect waterproof cabin, and one end of the steel wire rope is arranged on the first arc pipe clamp
On, the other end of the steel wire rope is provided with the shackle.
Preferably, also including hanging component, the component that hangs includes hand hoist and chain sling；The first of the chain sling
End connects with arc pipe clamp, and the second end and the hand hoist of the chain sling coordinate.
Preferably, be also easy to the temporary structure for hanging waterproof cabin to float platform including one, the temporary structure stand that floats is located at
On offshore platform spud leg, the temporary structure platform that floats corresponds to crude oil standpipe and surrounds mouth provided with an indent, and the indent surrounds mouth bag
Enclose crude oil standpipe.
Preferably, the position that the rubber seal frustum connects with rubber seal cylinder is the first circular hole, first circle
A diameter of 560mm in hole；The bottom surface opening of the rubber seal frustum is the second circular hole, second circular hole it is a diameter of
800mm。
Preferably, the edge of the bottom surface opening of the rubber seal frustum encloses the caulking gum for water proof provided with one
Piece.
Preferably, the making material of the rubber seal frustum and rubber seal cylinder be IR fiber cloth make it is compound
Strengthen rubber.
It is the main nacelle, secondary preferably, the waterproof cabin includes the main nacelle, secondary nacelle and the manger board that are sequentially connected
Nacelle forms by two symmetrical half nacelles or whole cabin.
A kind of maintenance replacing options of crude oil of offshore platform standpipe, comprise the following steps：
Step 1：The position that based on crude standpipe needs to safeguard or change determines the design parameter of waterproof cabin；
Step 2：Waterproof cabin is made according to above-mentioned design parameter, the outside wall surface for being included in waterproof cabin sets connection component；Every
Water tank manufacturing process is divided to two kinds of processing modes：1st, waterproof cabin is applied to crude oil standpipe cut-off before waterproof cabin decentralization, water proof
The main nacelle in cabin, secondary nacelle form by whole cabin, and seal is directly installed on the through hole of waterproof cabin bottom；2nd, waterproof cabin is applied to
The crude oil standpipe that is not cut off before waterproof cabin decentralization, the main nacelle of waterproof cabin, secondary nacelle form by half nacelle, the water surface with
On crude oil standpipe on the outside of shaping one seal, then by waterproof cabin be arranged on outside set outside the crude oil standpipe of seal,
Seal is now fixed on to the through hole of waterproof cabin bottom again；
Step 3：Water ballast is injected in waterproof cabin, now the water surface is higher than the seawater water surface in cabin；Staff is by waterproof cabin
It is put under water along the float transportation route of platform of temporary structure；
Step 4：The crude oil standpipe position that water need to extremely be changed under waterproof cabin；According to step 2, now in two kinds of situation
Carry out：1st, waterproof cabin is applied to crude oil standpipe cut-off before waterproof cabin decentralization, and waterproof cabin is transferred to crude oil standpipe and is cut
The port gone out, crude oil standpipe enter seal through the through hole of waterproof cabin bottom from bottom to top；2nd, waterproof cabin is applied to waterproof cabin
The crude oil standpipe being not cut off before decentralization, waterproof cabin are displaced downwardly to the position that crude oil standpipe need to be changed；
Step 5：Waterproof cabin is fixedly mounted on offshore platform spud leg；
Step 6：Start suction pump to extract the water in waterproof cabin out；
Step 7：Safeguard or change crude oil standpipe.
Preferably,
Step 2：The connection component includes two arc pipe clamps, and described two arc pipe clamps connect waterproof cabin；
Waterproof cabin is put under water by staff along the float transportation route of platform of temporary structure in step 3, and concrete mode is：
The first end of one chain sling is connected with arc pipe clamp, the second end of each chain sling connects a chain block, then staff
By controlling chain sling to be put into waterproof cabin under water.
Preferably,
Step 2：The connection component includes two arc pipe clamps, for waterproof cabin to be fixed on into offshore platform spud leg
Steel wire rope and shackle；Described two arc pipe clamps connect waterproof cabin, and one end of the steel wire rope is arranged on the first arc pipe clamp,
The other end of the steel wire rope is provided with the shackle；
Step 5 is specially：Waterproof cabin is close to offshore platform spud leg, and steel wire rope is taken up and at sea on platform leg and led to
Shackle is crossed to interfix with the second arc pipe clamp.
Compared with prior art, the invention has the advantages that：
By setting seal, water proof cavity space is kept apart with seawater, prevents there is seawater entrance inside waterproof cabin；It is logical
The connection component of steel wire rope, arc pipe clamp and shackle composition is crossed, makes the operation of the fixation procedure of waterproof cabin more convenient；Steel wire
Rope, flexible material, pulling force is big, and weight is light, easy to operate and do not limited by confining space, tighten up and loosen all easily, every
Optional position in water tank decentralization process can tighten up steel wire rope and fix waterproof cabin；Waterproof cabin is transferred and waterproof cabin is close under water
Envelope operation all can complete these work on the water without water operation under diver, personnel, can guarantee that the construction peace of staff
Entirely.Setting hangs component, controls the decentralization and lifting of waterproof cabin, operates easily and quick.By above-mentioned steps, ensure former
The job safety for being smoothed out and ensureing staff that oily standpipe is changed.
Brief description of the drawings
Fig. 1 is the structural representation of new crude oil of offshore platform standpipe maintenance more changing device of the present invention；
Fig. 2 is the structural representation of seal of the present invention；
Fig. 3 is the structural representation that seal of the present invention omits rubber seal cylinder；
Fig. 4 is that temporary structure of the present invention floats the structural representation of platform.
In figure：
1-waterproof cabin；2-seal；21-rubber seal frustum；211-upper bottom surface；212-bottom surface；22-rubber
Sealing drum；31-arc pipe clamp；32-steel wire rope；41-chain sling；42-hand hoist；5-temporary structure floats platform；51-indent
Surround mouth；52-work top；6-crude oil standpipe.
Embodiment
In conjunction with accompanying drawing, the invention will be further described with specific embodiment, in the exemplary embodiment and description of the present invention
For explaining the present invention, but it is not as a limitation of the invention.
Referring to Fig. 1, repair more changing device for a kind of new crude oil of offshore platform standpipe of the present invention.Including water proof
The connection component and seal 2 in cabin 1, some groups of connection waterproof cabins 1 and offshore platform spud leg.
Waterproof cabin 1 is the holding cavity structure of an opening upwards, and its bottom is provided with a through hole run through for crude oil standpipe 6.It is corresponding
Waterproof cabin 1 is configured with suction pump, and suction pump is connected to the bottom of waterproof cabin 1 by pipeline, from the bottom of waterproof cabin 1 by waterproof cabin 1
Ponding is extracted out out of my cabin.Waterproof cabin 1 includes main nacelle, secondary nacelle and the manger board being sequentially connected.By the quantity for increasing and decreasing time nacelle
The different design height of water proof can be realized.Main nacelle, secondary nacelle form by two symmetrical half nacelles or whole cabin.Such as in water proof
Crude oil standpipe 6 is cut off on the water before water under cabin, and main nacelle, secondary nacelle form by whole cabin；The crude oil such as before water under waterproof cabin
What standpipe 6 was not cut off, main nacelle, secondary nacelle form by two hemihedrism nacelles.Symmetrical half nacelle passes through rotatable pin
Axle can realize opening closure, pass through hasp quick locking.The hasp is made up of stainless steel, and shape is constructed using itself
Into chucking power pre- quick locking carried out to two halves waterproof cabin 1 and opened soon, quick locking two halves water proof when being closed for waterproof cabin 1
Cabin 1.When waterproof cabin 1 closes, in closing seam face, two halves waterproof cabin 1 is provided with sealing column, by sealing column by two halves waterproof cabin 1
Clearance seal get up, prevent leak.To strengthen sealing, caulking gum is additionally provided between sealing column.In addition, waterproof cabin 1
Inwall is provided with cat ladder, and cat ladder is close to the wall firm welding of waterproof cabin 1, and waterproof cabin 1 is passed in and out for staff；Also set in waterproof cabin 1
Dangerous gas detector, underwater illuminating device and camera device.Set the safety such as detector for hazardous gas, fire extinguisher attached simultaneously
Part.
Referring to Fig. 1, connection component includes two symmetrical arc pipe clamps 31, at sea put down for waterproof cabin 1 to be fixed
The steel wire rope 32 of platform spud leg and shackle, two symmetrical arc pipe clamps 31 are securedly mounted on the wallboard of waterproof cabin 1 (two curved pipes
Card 31 is separately positioned on the outside wall surfaces of two halves nacelle and at the closure of two halves nacelles), one end of steel wire rope 32 is fixed on the
On one arc pipe clamp 31, the other end installation shackle of steel wire rope 32.
When connection component fastens, larger tension is produced at the closing seam face by offshore platform spud leg of waterproof cabin 1
And torque, i.e. closing seam face can be due to tension, and sealing is destroyed.In order to prevent sealing to be destroyed, every
The position that water tank 1 is connected with connection component is provided with equalizer bar, and two arc pipe clamps 31 are tightly fixed together by equalizer bar, balance
Tension and torque, ensure that closing seam face is closed, do not intake in waterproof cabin 1.
Fig. 2 and Fig. 3 is referred to, seal 2 includes the rubber seal cylinder 22 and rubber seal frustum 21 set gradually, rubber
Sealing drum 22 and rubber seal frustum 21 are integral, and the diameter of the upper bottom surface 211 of rubber seal frustum 21 is less than bottom surface 212
Diameter, rubber seal cylinder 22 connects with the upper bottom surface 211 of rubber seal frustum 21；Seal 2, which is provided with, runs through rubber seal cylinder
22nd, the inner chamber of rubber seal frustum 21 and axial both ends of the surface, inner chamber corresponding to caulking gum cylinder 22 are cylindrical type, and rubber seal is bored
Inner chamber corresponding to platform 21 is frustum type.Seal 2 enters inside waterproof cabin 1 for preventing and treating seawater.Rubber seal frustum 21 and rubber
The position that glue sealing drum 22 connects is the first circular hole, and a diameter of 560mm of the first circular hole is (according to various sizes of crude oil standpipe 6
Or the difference of different platform surrounding ambient, size can be different), the bottom surface 212 of rubber seal frustum 21 is open
For the second circular hole, a diameter of 800mm of the second circular hole is (according to various sizes of crude oil standpipe 6 or different platform surrounding environment
The difference in space, size can be different).The open edge of the bottom surface 212 of rubber seal frustum 21 be provided with one enclose be used for every
The caulking gum piece of water.The making material of rubber seal frustum 21 and rubber seal cylinder 22 is what the materials such as IR fiber cloth were made
Composite strengthening rubber.
Rubber seal frustum 21 and rubber seal cylinder 22 are inside waterproof cabin 1, the bottom surface 212 of rubber seal frustum 21
It is connected with the through hole of waterproof cabin bottom.Caulking gum piece can be by rubber seal frustum 21 and rubber seal cylinder 22 and waterproof cabin bottom
The through hole in portion enters to be sealed with row, prevents seawater from entering in waterproof cabin.
Referring to Fig. 4, hanging waterproof cabin 1 for convenience, in addition to hang component, hang component include hand hoist 42 and
Chain sling 41.The first end of chain sling 41 connects with arc pipe clamp, and the second end and the hand hoist 42 of chain sling 41 coordinate.
At sea set up temporary structure on the outside of platform leg to float platform 5, temporary structure floats the corresponding crude oil standpipe 6 of platform 5 provided with one
Indent surrounds mouth 51, and indent surrounds the encirclement crude oil of mouth 51 standpipe 6, and (before decentralization waterproof cabin, waterproof cabin 1 is placed in indent and surrounds mouth 51
In, staff surrounds the side of mouth 51 control decentralization waterproof cabin in indent), it is work top 52 that indent, which surrounds the side of mouth 51,.Face
When the structure platform 5 that floats be easy to control waterproof cabin 1 to slide into water posture, staff can float the work top of platform 5 in temporary structure
The decentralization of waterproof cabin 1 is controlled on 52.
Using above-mentioned new crude oil of offshore platform standpipe maintenance more changing device, crude oil of offshore platform standpipe of the present invention
Maintenance replacing options step it is as follows：
Step 1：Based on crude standpipe 6 needs to safeguard or the depth of the position of replacing setting waterproof cabin 1.Apply at investigation sea
Work working condition, determine the design parameter of waterproof cabin 1.Waterproof cabin 1 includes main nacelle, secondary nacelle and manger board.The number of secondary nacelle
Amount is more than or equal to one.By adjusting the quantity of time nacelle, it can increase or reduce the projected depth of waterproof cabin 1.It is determined that
After projected depth, the quantity in closing seam face, hasp and the connection component of waterproof cabin 1 is determined according to the size of waterproof cabin 1.
Step 2：Waterproof cabin is made according to above-mentioned parameter.In waterproof cabin manufacturing process, it is divided to two kinds of processing modes：1st, water proof
Cabin is applied to crude oil standpipe 6 cut-off before waterproof cabin decentralization, and the main nacelle of waterproof cabin, secondary nacelle form by whole cabin, close
Sealing first installs the through hole of waterproof cabin bottom；2nd, waterproof cabin is applied to the crude oil standpipe 6 being not cut off before waterproof cabin decentralization, every
The main nacelle of water tank, secondary nacelle form by half nacelle, and the crude oil standpipe 6 more than the water surface wraps around a circle composite strengthening rubber
Glue and situ vulcanized formation seal, half nacelle of waterproof cabin is then enclosed in outside the crude oil standpipe 6 of seal has been set
Outside and closure is locked, seal is now fixed on to the through hole of waterproof cabin bottom again.Therefore, waterproof cabin sealed bottom does not need work
Make personnel's underwater operation, avoid Renewal process from being influenceed by weather wave, also ensure that the safety of whole work progress.
Step 3：Water ballast is injected in waterproof cabin (now the water surface is higher than the seawater water surface in cabin).The first end of chain sling 41
Hook on arc pipe clamp (arc pipe clamp is correspondingly provided with hole position), the second end of each chain sling 41 connects a chain block 42.Work
Make personnel by controlling the second end of chain sling 41, waterproof cabin 1 is put under water along the float transportation route of platform 5 of temporary structure.If (not
Chain sling 41 and chain block 42 are set, can be put into waterproof cabin 1 under water using existing mode)
Step 4：The crude oil standpipe position that 1 time water of waterproof cabin need to extremely be changed；According to step 2, two kinds of feelings of this time-division
Condition is carried out：1st, waterproof cabin is applied to crude oil standpipe 6 cut-off before waterproof cabin decentralization, and waterproof cabin transfers to the quilt of crude oil standpipe 6
During the port cut out, crude oil standpipe 6 enters seal through the through hole of waterproof cabin bottom from bottom to top.2nd, waterproof cabin is applied to
The crude oil standpipe 6 being not cut off before waterproof cabin decentralization, because crude oil standpipe 6 has moved down in the inside of waterproof cabin, waterproof cabin
The position that need to be changed to crude oil standpipe 6.
Step 5：Waterproof cabin 1 is close to offshore platform spud leg, and steel wire rope 32 is taken up at sea on platform leg and by unloading
Button interfixes with the second arc pipe clamp, and now waterproof cabin 1 is fastened on offshore platform spud leg；When needing to remove, it is only necessary to will
Shackle is tripped.(if the connection component that crude oil of offshore platform standpipe maintenance more changing device is set is not by arc pipe clamp 31, steel
Cord 32 and shackle composition, then fixed waterproof cabin using mode corresponding with the connection component of actual setting)
Step 6：Start suction pump to extract the water in waterproof cabin 1 out.
Step 7：Safeguard or change crude oil standpipe 6.Crude oil standpipe 6 includes inner and outer tubes.Remove in crude oil standpipe 6
Combustion gas, the inner tube of crude oil standpipe 6 is cut using cold work, and keep divulging information in waterproof cabin 1.At the outer tube of crude oil standpipe 6 position to be cut
Nearby left and right respectively tightens 1 clip, and clip outer rim respectively welds 1 hanger.Hanger is connected with shackle using guide chain, steel cable, is prevented
Standpipe cuts open rear submerged riser under Gravitative Loads toward tenesmus.It is curved with the lower end outer tube of gas flame cuttiug bending section crude oil standpipe 6, top
The crude oil standpipe 6 of song deformation is hung away after winding suspender belt using hoist engine.Bending section standpipe Cutting Length is measured, cuts equal length
Double-deck seamless steel pipe, inner and outer pipe both ends prepare groove.By the outer tube of crude oil standpipe 6 of replacing from the right and left and upper lower standing tube
Outer tube group to, welding, ultrasonic inspection, weld bond touch-up paint and 3PE anti-corrosions.
The part-structure feature of new crude oil of offshore platform standpipe maintenance more changing device of the present invention：
Rubber seal frustum 21 and rubber seal cylinder 22：Be enclosed on the outside of crude oil standpipe 6, by water proof cavity space and seawater every
Leave.
The flexible material of steel wire rope 32, pulling force is big, and weight is light, easy to operate and do not limited by confining space, tightens up and puts
Pine is all easy, and the optional position in the decentralization process of waterproof cabin 1 can tighten up steel wire rope 32 and fix waterproof cabin 1.Also can guarantee that
The construction safety of staff.
New crude oil of offshore platform standpipe maintenance more changing device of the present invention, can make the inside of waterproof cabin 1 and seawater every
From preventing waterproof cabin 1 from intaking；When the lower section of waterproof cabin 1 and fixed installation, construction peace that is easy to operate and can guarantee that staff
Entirely.What crude oil standpipe maintenance replacing options guarantee crude oil standpipe of the present invention was changed is smoothed out and ensures staff
Job safety.
The invention is not limited in above-mentioned embodiment, if not departing from the present invention to the various changes or modifications of the present invention
Spirit and scope, if these changes and modification belong within the scope of the claim and equivalent technologies of the present invention, then this hair
It is bright to be also intended to comprising these changes and change.
Claims (10)
1. a kind of crude oil of offshore platform standpipe repairs more changing device, including waterproof cabin and some groups of connection waterproof cabins and offshore platform
The connection component of spud leg, the bottom of the waterproof cabin are provided with a through hole run through for crude oil standpipe；Characterized in that,
Also include seal, the seal includes the rubber seal cylinder and rubber seal frustum set gradually, and the rubber is close
The diameter for sealing the upper bottom surface of frustum is less than the diameter of bottom surface；The upper bottom surface phase of the rubber seal cylinder and rubber seal frustum
Connect, the seal is provided with through the inner chamber of rubber seal cylinder, rubber seal frustum and axial both ends of the surface；The rubber seal cone
The bottom surface of platform is connected with through hole；
The connection component includes two arc pipe clamps, the steel wire rope for waterproof cabin to be fixed on to offshore platform spud leg and unloaded
Button；Described two arc pipe clamps connect waterproof cabin, and one end of the steel wire rope is arranged on the first arc pipe clamp, the steel wire rope
The other end be provided with the shackle.
2. crude oil of offshore platform standpipe according to claim 1 repairs more changing device, it is characterised in that also includes hanging group
Part, the component that hangs include hand hoist and chain sling；The first end of the chain sling connects with arc pipe clamp, and the of the chain sling
Two ends coordinate with hand hoist.
3. the crude oil of offshore platform standpipe maintenance more changing device according to claim 1 to 2 any claim, its feature exist
In, in addition to one be easy to the temporary structure for hanging waterproof cabin to float platform, and the temporary structure stand that floats is located on offshore platform spud leg,
The temporary structure platform that floats corresponds to crude oil standpipe and surrounds mouth provided with an indent, and the indent surrounds mouth and surrounds crude oil standpipe.
4. crude oil of offshore platform standpipe according to claim 1 repairs more changing device, it is characterised in that the rubber seal
The position that frustum connects with rubber seal cylinder is the first circular hole, a diameter of 560mm of first circular hole；The rubber seal cone
The bottom surface opening of platform is the second circular hole, a diameter of 800mm of second circular hole.
5. the crude oil of offshore platform standpipe maintenance more changing device according to claim 1 or 4, it is characterised in that the rubber
The edge of the bottom surface opening of sealing frustum encloses the caulking gum piece for water proof provided with one.
6. crude oil of offshore platform standpipe according to claim 1 repairs more changing device, it is characterised in that the rubber seal
The making material of frustum and rubber seal cylinder is the composite strengthening rubber that IR fiber cloth is made.
7. crude oil of offshore platform standpipe according to claim 1 repairs more changing device, it is characterised in that the waterproof cabin bag
The main nacelle being sequentially connected, secondary nacelle and manger board are included, the main nacelle, secondary nacelle are by two symmetrical half nacelles or whole cabin group
Into.
8. a kind of maintenance replacing options of crude oil of offshore platform standpipe, it is characterised in that comprise the following steps：
Step 1：The position that based on crude standpipe needs to safeguard or change determines the design parameter of waterproof cabin；
Step 2：Waterproof cabin is made according to above-mentioned design parameter, the outside wall surface for being included in waterproof cabin sets connection component；Waterproof cabin
Manufacturing process is divided to two kinds of processing modes：1st, waterproof cabin is applied to crude oil standpipe cut-off before waterproof cabin decentralization, waterproof cabin
Main nacelle, secondary nacelle form by whole cabin, and seal is directly installed on the through hole of waterproof cabin bottom；2nd, waterproof cabin is applied to water proof
The crude oil standpipe being not cut off before the decentralization of cabin, the main nacelle of waterproof cabin, secondary nacelle form by half nacelle, more than the water surface
One seal of shaping on the outside of crude oil standpipe, waterproof cabin is then arranged on outside and set outside the crude oil standpipe of seal, now
Seal is fixed on to the through hole of waterproof cabin bottom again；
Step 3：Water ballast is injected in waterproof cabin, now the water surface is higher than the seawater water surface in cabin；Staff faces waterproof cabin edge
When the float transportation route of platform of structure be put under water；
Step 4：The crude oil standpipe position that water need to extremely be changed under waterproof cabin；According to step 2, now enter in two kinds of situation
OK：1st, waterproof cabin is applied to crude oil standpipe cut-off before waterproof cabin decentralization, and waterproof cabin is transferred to crude oil standpipe and is cut to
Port, crude oil standpipe enters seal through the through hole of waterproof cabin bottom from bottom to top；2nd, waterproof cabin is applied under waterproof cabin
The crude oil standpipe being not cut off before putting, waterproof cabin are displaced downwardly to the position that crude oil standpipe need to be changed；
Step 5：Waterproof cabin is fixedly mounted on offshore platform spud leg；
Step 6：Start suction pump to extract the water in waterproof cabin out；
Step 7：Safeguard or change crude oil standpipe.
9. the maintenance replacing options of crude oil of offshore platform standpipe according to claim 8, it is characterised in that
Step 2：The connection component includes two arc pipe clamps, and described two arc pipe clamps connect waterproof cabin；
Waterproof cabin is put under water by staff along the float transportation route of platform of temporary structure in step 3, and concrete mode is：By one
The first end of chain sling is connected with arc pipe clamp, and the second end of each chain sling connects a chain block, and then staff passes through
Waterproof cabin is put under water by control chain sling.
10. the maintenance replacing options of the crude oil of offshore platform standpipe according to any claim of claim 8 or 9, it is special
Sign is,
Step 2：The connection component includes two arc pipe clamps, the steel wire for waterproof cabin to be fixed on to offshore platform spud leg
Rope and shackle；Described two arc pipe clamps connect waterproof cabin, and one end of the steel wire rope is arranged on the first arc pipe clamp, described
The other end of steel wire rope is provided with the shackle；
Step 5 is specially：Waterproof cabin is close to offshore platform spud leg, steel wire rope is taken up at sea on platform leg and by unloading
Button interfixes with the second arc pipe clamp.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510386074.8A CN105042186B (en) | 2015-06-30 | 2015-06-30 | Crude oil of offshore platform standpipe repairs more changing device and crude oil standpipe maintenance replacing options |
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|---|---|---|---|
| CN201510386074.8A CN105042186B (en) | 2015-06-30 | 2015-06-30 | Crude oil of offshore platform standpipe repairs more changing device and crude oil standpipe maintenance replacing options |
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| CN105042186B true CN105042186B (en) | 2017-11-24 |
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| CN109990139A (en) * | 2019-04-17 | 2019-07-09 | 海洋石油工程股份有限公司 | A method of it is replaced applied to crude oil of offshore platform standpipe |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986006121A1 (en) * | 1985-04-11 | 1986-10-23 | Maple Engineering Projects Limited | Apparatus for maintenance of oil rig legs |
| US5324140A (en) * | 1991-03-18 | 1994-06-28 | Lopez Jose De Jesus F S | Flexible submersible compartment |
| CN1533861A (en) * | 2003-03-27 | 2004-10-06 | 本溪市自来水总公司 | Device used in welding pipeline under water |
| CN102133692A (en) * | 2010-01-21 | 2011-07-27 | 中国石油天然气集团公司 | Floating butt-welding device for submarine pipeline |
| CN104006216A (en) * | 2013-02-27 | 2014-08-27 | 中国海洋石油总公司 | Offshore platform crude oil riser maintenance and replacement method and device |
| CN204785056U (en) * | 2015-06-30 | 2015-11-18 | 中国海洋石油总公司 | Device is changed in maintenance of offshore platform crude oil riser |
-
2015
- 2015-06-30 CN CN201510386074.8A patent/CN105042186B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986006121A1 (en) * | 1985-04-11 | 1986-10-23 | Maple Engineering Projects Limited | Apparatus for maintenance of oil rig legs |
| US5324140A (en) * | 1991-03-18 | 1994-06-28 | Lopez Jose De Jesus F S | Flexible submersible compartment |
| CN1533861A (en) * | 2003-03-27 | 2004-10-06 | 本溪市自来水总公司 | Device used in welding pipeline under water |
| CN102133692A (en) * | 2010-01-21 | 2011-07-27 | 中国石油天然气集团公司 | Floating butt-welding device for submarine pipeline |
| CN104006216A (en) * | 2013-02-27 | 2014-08-27 | 中国海洋石油总公司 | Offshore platform crude oil riser maintenance and replacement method and device |
| CN204785056U (en) * | 2015-06-30 | 2015-11-18 | 中国海洋石油总公司 | Device is changed in maintenance of offshore platform crude oil riser |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105042186A (en) | 2015-11-11 |
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