CN208763601U - A kind of electric-heating belt is placed in the combustible ice Primordial Qi oil reservoir standpipe device outside oil reservoir standpipe - Google Patents
A kind of electric-heating belt is placed in the combustible ice Primordial Qi oil reservoir standpipe device outside oil reservoir standpipe Download PDFInfo
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- CN208763601U CN208763601U CN201820960785.0U CN201820960785U CN208763601U CN 208763601 U CN208763601 U CN 208763601U CN 201820960785 U CN201820960785 U CN 201820960785U CN 208763601 U CN208763601 U CN 208763601U
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Abstract
The utility model provides the combustible ice Primordial Qi oil reservoir standpipe device that a kind of electric-heating belt is placed in outside oil reservoir standpipe, the device is integrated with one layer of electric-heating belt being wound in outside oil reservoir standpipe, power supply intercommunicating device between one layer of heat preservation thermal insulation layer and a set of standpipe, it ensure that stem joint and heat tracing belt lacing once connect completion, heat tracing live contact contained by the device is arranged except thread seal face, it is not contacted with the combustible fluid in standpipe, so that combustible ice oil reservoir standpipe has the function of the electric tracing of safety, to solve the technical problem that pipeline in combustible ice recovery process is easy to block.
Description
Technical field
The utility model belong to marine energy exploitation manufacturing industry, specifically a kind of electric-heating belt be placed in outside oil reservoir standpipe can
Fire ice field gas and oil layer standpipe device.
Background technique
With the exploration of marine energy, the equipment for the exploiting ocean combustible ice energy is also increasingly by each sea in the world
The favor of work equipment manufacture, wherein the riser systems for the transmission of combustible ice Primordial Qi are the critical components for exploiting the combustible ice energy
One of.
The basic skills of combustible ice exploitation: decompression extraction system, heat shock extraction system, chemical agent inject extraction system, titanium dioxide
The combination of carbon displacement method or these four methods, these methods be so that combustible ice, which decomposes, generates methane and water, then by methane and
The mixture of water is transported to sea by standpipe, exists during combustible ice fluid conveys in standpipe to sea with leeward
Danger: 1, when combustible ice is exploited, most of fluid in production riser is the mixture of methane and water, when fluid passes through standpipe to sea
During face conveys, due to the heat exchange with the external world, temperature can be gradually decreased, and may form again gas hydrates (can
Fire ice), block pipeline;2, during inside the plan or unplanned halt production, since the fluid temperature (F.T.) in production riser road can be by
It gradually drops to environment temperature (water temperature), forms the risk of gas hydrates blocking pipeline;3, since the ocean petroleum developing depth of water is deeper,
Sea is delivered the fluid to, needs to be pressurized downhole fluid using dive pump, overcomes hydrostatic pressing and the resistance of ducting, increase
Pressure also result in the formation again of gas hydrates, blocking standpipe plus the decline of fluid temperature (F.T.).
Above-mentioned risk is one of the bottleneck problem in combustible ice recovery process, needs to find a kind of side of better economy
Case, the standpipe reduced in combustible ice recovery process block risk, realize that commercialization exploitation is paved the way for combustible ice resource.
Utility model content
The utility model proposes a kind of electric-heating belts to be placed in the combustible ice source gas oil reservoir standpipe device outside oil reservoir standpipe, mesh
Be reduce combustible ice recovery process in standpipe blocking risk, for combustible ice resource realize commercialization exploitation pave the way.
The technical solution adopted in the utility model is: a kind of electric-heating belt is placed in the combustible ice Primordial Qi oil reservoir outside oil reservoir standpipe
Standpipe device, the device include the oil reservoir standpipe that a piece connection subsea wellheads are set to production waterborne with lower component, and the one of standpipe
End is male connection, and the other end is female adapter;One layer of electric-heating belt being wound in outside oil reservoir standpipe, the spiral shell inside and outside standpipe
Multiple electrical contacts are set on the end face of line connector;It slots in standpipe internal and external threads joint surface, installation insulator cladding in slot
Conductor, be connected with heating tape;The heat insulation layer of electric-heating belt outer layer;A piece connection subsea wellheads are set to production waterborne
Outer layer sleeve forms tube-in-tube with oil reservoir standpipe;Power supply intercommunicating device between a set of standpipe pipeline section.
Preferably, point contact type electric tracing vertical tube structure includes by a set of the outer protection tube 200, moderate soak thermal insulation layer
170, the tube-in-tube oil reservoir standpipe pipeline section that electric-heating belt 160 and internal layer oil reservoir standpipe 110 are constituted is in one end of oil reservoir standpipe
Male connection 100A is female adapter 100B in the other end of oil reservoir standpipe pipeline section, winds electric tracing on the outside of oil reservoir standpipe
Two-phase or three-phase alternating current power supply can be used in band 160, electric-heating belt 160, is electric-heating belt using surface platform during normal production
Power supply, makes electric-heating belt generate heat, due to keeping the temperature the cladding of heat insulation layer 170, so that the heat overwhelming majority that electric-heating belt generates is logical
The tube wall for crossing inner layer sleeve 110 sends fluid to, to realize the continuous heating to fluid;The male connection of oil reservoir standpipe
The thread root of 110A anchor ring platform arranged below, can be set as needed multiple electrical contacts on this anchor ring platform, from this
Electrical contact starts to slot along oil reservoir standpipe outer surface to the connector 180 of heating tape, and the conductor of insulator cladding is laid in slot,
Realize the connection with heating tape.
Preferably, multiple electrical contacts are arranged in the connector end face of standpipe internal screw thread, respectively with male connection
Electrical contact is corresponding, slots since the electrical contact of female adapter on standpipe surface, installation insulated body cladding in slot
Conductor, realize and insulate with metal riser, slot inner conductor extends at 190, be connected with heating tape;When assembling, standpipe pipeline section
The female adapter of 101A and the male connection of another section of 101B are coupled, and realize while being fastenedly connected and sealing, and protect
The heat tracing charged conducting of all pipeline sections is realized in the contact two-by-two for demonstrate,proving contact.
Preferably, needing the pipeline section end of heat tracing in final stage, the multiple conducting wires connector of heating tape can be converged to
A bit, forming circuit.
Preferably, the contact ring of multiple mutual insulatings can be used in ring contact electric tracing standpipe male connection contact,
It first slots in metal surface when processing, forms insulating layer after insulating materials is injected, then by machining mode, in insulating layer
Surface fluting, installation contact ring.
Preferably, ring contact electric tracing standpipe female adapter contact is touched using the arc-shaped of multiple mutual insulatings
Point, female adapter contact position and inner and outer diameter are corresponding with the contact of male connection respectively.
The beneficial effects of the utility model are: how pipe screw thread does not rotate, and can guarantee heat tracing in the assembling of standpipe pipeline section
The current lead-through of band, the standpipe reduced in combustible ice recovery process block risk.
Detailed description of the invention
Fig. 1 is point contact type electric tracing vertical tube structure and male connection schematic diagram;
Fig. 2 is the female adapter schematic diagram of Fig. 1 point contact type electric tracing standpipe;
Fig. 3 is the embodiment schematic diagram of ring contact electric tracing standpipe male connection;
Fig. 4 is the embodiment schematic diagram of Fig. 3 ring contact electric tracing standpipe female adapter.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, unless otherwise specified and limited, it should be noted that term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, the company being also possible to inside two elements
It is logical, it can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill in the art, may be used
To understand the concrete meaning of above-mentioned term as the case may be.
A kind of electric-heating belt is placed in the combustible ice Primordial Qi oil reservoir standpipe device outside oil reservoir standpipe, which includes with lower part
Part, a connection subsea wellheads are to the oil reservoir standpipe of production tree waterborne, and one end of standpipe is male connection, and the other end is interior
Nipple;One layer of electric-heating belt being wound in outside oil reservoir standpipe, is arranged multiple electricity on the end face of standpipe internal and external threads connector
Gas contact;It slots in standpipe internal and external threads joint surface, the conductor of installation insulator cladding, is connected with heating tape in slot;Electric companion
The heat insulation layer of tropical outer layer;A piece connection subsea wellheads are formed to the outer layer sleeve of production tree waterborne with oil reservoir standpipe
Tube-in-tube;Power supply intercommunicating device between a set of standpipe pipeline section.
Fig. 1 is point contact type electric tracing vertical tube structure and male connection schematic diagram, in this embodiment includes by a set of
The tube-in-tube oil reservoir that the outer protection tube 200, moderate soak thermal insulation layer 170, electric-heating belt 160 and internal layer oil reservoir standpipe 110 are constituted
Standpipe pipeline section is male connection 100A in one end of oil reservoir standpipe, is female adapter in the other end of oil reservoir standpipe pipeline section
100B(Fig. 2), oil reservoir standpipe outside winds electric-heating belt 160, and two-phase or three-phase alternating current power supply can be used in electric-heating belt 160,
During normal production, it is electric-heating belt power supply using surface platform, electric-heating belt is made to generate heat, due to keeping the temperature the cladding of heat insulation layer 170,
So that the heat overwhelming majority that electric-heating belt generates sends fluid to by the tube wall of inner layer sleeve 110, to realize to fluid
Continuous heating.
The thread root of the male connection 110A of oil reservoir standpipe anchor ring platform arranged below, can root on this anchor ring platform
According to needing to be arranged multiple electrical contacts, the present embodiment is provided with 3 contacts, respectively 130A1,130A2 and 130A3, from the electricity
Gas contact starts to slot along oil reservoir standpipe outer surface to the connector 180 of heating tape, and the conductor of insulator cladding is laid in slot, real
Now with the connection of heating tape.
Fig. 2 is point contact type electric tracing standpipe female adapter schematic diagram, can be as needed, in the connector of standpipe internal screw thread
Multiple electrical contacts are arranged in end face, and the present embodiment is provided with 3 electrical contacts, i.e. 130B1,130B2 and 130B3, respectively with
Electrical contact 130A1,130A2 and 130A3 of male connection are corresponding, in standpipe table since 130B1,130B2 and 130B3
Face fluting, the conductor of the interior installation insulated body cladding of slot, realizes with metal riser and insulate, slot inner conductor extends at 190, with companion
The torrid zone is connected.
When assembling, the female adapter of standpipe pipeline section 101A and the male connection of another section of 101B are coupled, and realize
While being fastenedly connected and seal, guarantee connecing two-by-two for contact 130A1 and 130B1,130A2 and 130B2,130A3 and 130B3
The heat tracing charged conducting of all pipeline sections is realized in touching.
As needed, the pipeline section end of heat tracing is needed in final stage, the multiple conducting wires connector of heating tape can be converged to
A bit, forming circuit.
Fig. 3 is the embodiment schematic diagram of ring contact electric tracing standpipe male connection, and male connection contact can be used
The contact ring of multiple mutual insulatings, the present embodiment are 3 contact rings, 130C1,130C2,130C3, first in metal surface when processing
Fluting, forms insulating layer after insulating materials is injected, then by machining mode, slot in surface of insulating layer, installation contact
Ring.
Fig. 4 is the embodiment schematic diagram of ring contact electric tracing standpipe female adapter, and female adapter contact is using more
The arc-shaped contact of a mutual insulating, the present embodiment are 3 contacts, 130D1,130D2 and 30D3, position and inner and outer diameter difference
It is corresponding with 130C1,130C2,130C3.
In the present embodiment, in the assembling of standpipe pipeline section, how pipe screw thread does not rotate, and can guarantee that the electric current of heating tape is led
It is logical.
The beneficial effects of the utility model are: how pipe screw thread does not rotate, and can guarantee heat tracing in the assembling of standpipe pipeline section
The current lead-through of band, the standpipe reduced in combustible ice recovery process block risk.
In the description of this specification, the description meaning of reference term " one embodiment ", " example " or " some examples " etc.
Refer to that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model
In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment
Or example.Moreover, particular features, structures, materials, or characteristics described in any one or more embodiments or can be shown
It can be combined in any suitable manner in example.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (6)
1. a kind of electric-heating belt is placed in the combustible ice Primordial Qi oil reservoir standpipe device outside oil reservoir standpipe, it is characterised in that: the device packet
It includes with lower component, the oil reservoir standpipe of a connection subsea wellheads to production tree waterborne, one end of standpipe is male connection, separately
One end is female adapter;One layer of electric-heating belt being wound in outside oil reservoir standpipe, sets on the end face of standpipe internal and external threads connector
Set multiple electrical contacts;It slots in standpipe internal and external threads joint surface, the conductor of installation insulator cladding in slot, with heating tape phase
Even;The heat insulation layer of electric-heating belt outer layer;A piece connection subsea wellheads are stood to the outer layer sleeve of production tree waterborne with oil reservoir
Pipe forms tube-in-tube;Power supply intercommunicating device between a set of standpipe pipeline section.
2. standpipe device according to claim 1, which is characterized in that standpipe is point contact type electric tracing standpipe, standpipe
Structure includes the tube-in-tube oil that electric-heating belt and internal layer oil reservoir standpipe are constituted by a set of the outer protection tube, moderate soak thermal insulation layer
Layer standpipe pipeline section is male connection in one end of oil reservoir standpipe, is female adapter, oil in the other end of oil reservoir standpipe pipeline section
Electric-heating belt is wound on the outside of layer standpipe, electric-heating belt can be used two-phase or three-phase alternating current power supply, during normal production, utilize sea
Platform is electric-heating belt power supply, and electric-heating belt is made to generate heat, due to keeping the temperature the cladding of heat insulation layer, so that the heat that electric-heating belt generates
The overwhelming majority sends fluid to by the tube wall of inner layer sleeve, to realize the continuous heating to fluid;The outer spiral shell of oil reservoir standpipe
The thread root of line connector anchor ring platform arranged below, is set as needed multiple electrical contacts on this anchor ring platform, from this
Electrical contact starts to slot along oil reservoir standpipe outer surface to the joint of heating tape, the interior conductor for being laid with insulator cladding of slot, real
Now with the connection of heating tape.
3. standpipe device according to claim 2, which is characterized in that multiple electricity are arranged in the connector end face of standpipe internal screw thread
Gas contact, it is corresponding with the electrical contact of male connection respectively, in standpipe table since the electrical contact of female adapter
Face fluting, the conductor of the interior installation insulated body cladding of slot, realizes with metal riser and insulate, slot inner conductor extends to place, with heat tracing
Band is connected;When assembling, the female adapter of standpipe pipeline section is coupled with another section of male connection, and realization is being fastenedly connected simultaneously
While sealing, guarantee the contact two-by-two of contact, realizes the heat tracing charged conducting of all pipeline sections.
4. standpipe device according to claim 3, which is characterized in that the pipeline section end of heat tracing is needed in final stage, it will
The multiple conducting wires connector of heating tape converges to a bit, forming circuit.
5. standpipe device according to claim 1, which is characterized in that standpipe is ring contact electric tracing standpipe, standpipe
Male connection contact can be used the contact ring of multiple mutual insulatings, and when processing first slots in metal surface, and insulating materials is infused
Insulating layer is formed after entering, and then by machining mode, is slotted in surface of insulating layer, installation contact ring.
6. standpipe device according to claim 5, which is characterized in that ring contact electric tracing standpipe female adapter contact
Using the arc-shaped contact of multiple mutual insulatings, female adapter contact position and inner and outer diameter respectively with the touching of male connection
Point corresponds to.
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CN201820960785.0U CN208763601U (en) | 2018-06-21 | 2018-06-21 | A kind of electric-heating belt is placed in the combustible ice Primordial Qi oil reservoir standpipe device outside oil reservoir standpipe |
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CN201820960785.0U CN208763601U (en) | 2018-06-21 | 2018-06-21 | A kind of electric-heating belt is placed in the combustible ice Primordial Qi oil reservoir standpipe device outside oil reservoir standpipe |
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Cited By (1)
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CN108894734A (en) * | 2018-06-21 | 2018-11-27 | 招商局重工(江苏)有限公司 | A kind of electric-heating belt is placed in the combustible ice Primordial Qi oil reservoir standpipe device outside oil reservoir standpipe |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108894734A (en) * | 2018-06-21 | 2018-11-27 | 招商局重工(江苏)有限公司 | A kind of electric-heating belt is placed in the combustible ice Primordial Qi oil reservoir standpipe device outside oil reservoir standpipe |
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