CN108895237A - A kind of electric-heating belt is placed in the combustible ice Primordial Qi standpipe device in standpipe - Google Patents
A kind of electric-heating belt is placed in the combustible ice Primordial Qi standpipe device in standpipe Download PDFInfo
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- CN108895237A CN108895237A CN201810646734.5A CN201810646734A CN108895237A CN 108895237 A CN108895237 A CN 108895237A CN 201810646734 A CN201810646734 A CN 201810646734A CN 108895237 A CN108895237 A CN 108895237A
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- Prior art keywords
- standpipe
- electric
- heating belt
- combustible ice
- primordial
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Classifications
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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
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
- F16L53/35—Ohmic-resistance heating
- F16L53/38—Ohmic-resistance heating using elongate electric heating elements, e.g. wires or ribbons
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
The combustible ice Primordial Qi standpipe device being placed in the present invention provides a kind of electric-heating belt in standpipe, the device is integrated with power supply connected system between one layer of electric-heating belt being wound in standpipe, a heat insulation layer and a set of standpipe, this system ensure that stem joint and heat tracing belt lacing disposably connect completion；Heat tracing live contact is arranged outside thread seal face, does not contact with the combustible fluid in standpipe, so that combustible ice standpipe has the function of the electric tracing of safety；And electric-heating belt is located inside production casing, so that the thermal efficiency be greatly improved, reduces electric load required for standpipe heat tracing, to solve the technical problem that pipeline in combustible ice recovery process is easy to block.
Description
Technical field
The invention belongs to marine energies to exploit manufacturing industry, be the combustible ice Primordial Qi transmission that a kind of electric-heating belt is placed in standpipe
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 for combustible ice Primordial Qi transmission standpipe device be combustible ice exploitation critical component it
One, four kinds of basic skills of exploitation of combustible ice：It is depressured extraction system, heat shock extraction system, chemical agent and injects extraction system, carbon dioxide
The combination of displacement method or these four methods, these methods are so that combustible ice, which decomposes, generates methane and water, then by methane and water
Mixture sea is transported to by standpipe, there are following risks during combustible ice fluid conveys in standpipe to sea：
1, when combustible ice is exploited, most of fluid in oil reservoir standpipe is the mixture of methane and water, when fluid passes through standpipe to sea
During conveying, due to the heat exchange with the external world, temperature can be gradually decreased, and may form gas hydrates again（It is flammable
Ice）, block pipeline；2, during inside the plan or unplanned halt production, since the fluid temperature (F.T.) in oil reservoir standpipe road can be gradually
Drop to environment temperature（Water temperature）, form the risk of gas hydrates blocking pipeline；3, it 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 blocks standpipe plus the formation again that may also will lead to gas hydrates that is gradually reduced 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, petroleum
The most common heat tracing mode of industry is to make pipeline itself generate heat or use using high voltage to manage outer wrap round heat tracing band, the former needs to exist
Effective insulation is established between multilayer sleeve, technical difficulty is big, although the latter's technical feasibility, often because anti-corrosion, fluid erosion prevention etc. are set
Thicker liner layer is set, this mode will lead to heat transfer slowly, and electric-heating belt is such as placed in riser interiors, only led to by heat tracing low efficiency
It crosses corrosion and wear layer to be isolated with medium, heat tracing efficiency can be improved, solving heat tracing efficiency caused by managing outer wrap round heat tracing band reduces
The problem of.
Summary of the invention
A kind of electric-heating belt proposed by the present invention is placed in the transmission standpipe device of the combustible ice Primordial Qi in standpipe, it is therefore intended that drop
Standpipe in low combustible ice recovery process blocks risk, realizes that commercialization exploitation is paved the way for combustible ice resource.
The technical solution adopted by the present invention is that：A kind of electric-heating belt is placed in the combustible ice Primordial Qi standpipe device in standpipe, should
Device includes the following contents：For one connection subsea wellheads to the standpipe of production tree waterborne, one end of standpipe is male connection, another
End is female adapter；One is placed in the anticorrosion antiwear internal lining pipe in standpipe, which is high molecular material；One layer
The electric-heating belt being wound in outside anticorrosion antiwear internal lining pipe；In the gap of the internal lining pipe and standpipe that have wound electric-heating belt, pour
Infuse interior lining primer；One heat insulation layer, is placed in outside standpipe；Power source connection system between a set of standpipe pipeline section, outside
The outer surface of nipple processes a groove, fills in insulating materials in groove, insulating materials center embeds conductor, and conductor is extended down to vertical
Pipe end is simultaneously connected with an electrical power contacts head；After two adjacent standpipe pipeline sections are connected through a screw thread, two electrical power contacts heads are eventually stopped at
Same position contacts with each other, power supply connection；Bottom liner is poured between internal lining pipe and standpipe using high molecular material
Type has good heat insulating, is electrically insulated, has stronger cementability for being bonded internal lining pipe and standpipe, not with electric-heating belt
Clad chemically reacts.
Preferably, heat insulation layer is polyethylene or polypropylene material.
Preferably, standpipe device includes oil reservoir standpipe 108, bottom liner 106, electric-heating belt 107, surface layer internal lining pipe
105, male connection 101A and multiple heating tape wire contacts；According to heat insulation layer requirement, a set of outer layer can be also added
Protection pipe 110 and standpipe external thermal insulation thermal insulation layer 109, heat insulation layer can be heat preserving and insulating material, be also possible to vacuum layer,
One end of standpipe is male connection 101A, is female adapter 101B in the other end of pipeline section, surface layer internal lining pipe 105 is by high score
Sub- material is prepared by extrusion forming, and outer diameter is less than the internal diameter of oil reservoir standpipe 108；Electric-heating belt 107 is wrapped in internal lining pipe 105
The internal lining pipe 105 for winding electric-heating belt 107 is then mounted in oil reservoir standpipe 108 by outer surface；The internal lining pipe 105 on surface layer
With casting bottom inner lining material 106 in the gap of oil reservoir standpipe 108, realize that production casing 108 and the reliable of internal lining pipe 105 connect
It connects, and electric-heating belt 107 is formed and is protected；Surface layer inner lining material 105 will not only have good wearability, but also should have good
Good thermal conductivity, is absorbed, bottom liner 106 is such as with guaranteeing major part heat caused by electric-heating belt 107 by combustible ice Primordial Qi
Heat insulation function is had both, then does not need heat preservation heat insulation layer 109 and outer tube 110.
Preferably, being laterally drilled with multiple holes at male connection 101A, insulating polymeric material first being filled in hole
104, then in 104 inner part drilling of insulating polymeric material, one hole, inside filling conductor 103, every line of heating tape joint with
It fills conductor 103 to connect, formation is conducted with contact.
Preferably, processing a groove in the outer surface of male connection, insulating polymeric material 104 is filled in thereto,
And it is allowed to be connected with the insulating materials in side opening；A groove is processed on insulating materials 104 again, conductor 103 is embedded, extends to touching
Then point 102 is covered on 103 top of conductor with insulating polymeric material again.
Preferably, corresponding male connection 101A, does corresponding contact, when external screw thread connects on female adapter 101B
When head and female adapter coupling, the connection in thread seal face not only can guarantee, but also electric-heating belt between each standpipe pipeline section can be made to lead
It is logical.
Preferably, flange pattern can be used in the connector between oil reservoir standpipe, at bump joint 101C, laterally it is drilled with multiple
Insulating polymeric material 104 is first filled in hole in hole, then in 104 inner part drilling, one hole, inside filling conductor 103, the institute of heating tape
There is conducting wire to connect in joint with conductor 103, realization is connected with contact, and in addition to good wearability, surface layer liner should also have
Standby good thermal conductivity, to guarantee that heat caused by electric-heating belt 107 is all absorbed by fluid.
Preferably, slotting in the outer surface of bump joint, insulating polymeric material 104 is filled in thereto, is allowed to and side
Insulating materials in hole is connected, and to guarantee the insulation of conductor 103 Yu production casing, then slots on insulating materials 104, embeds
Conductor 103 extends at the 102C of contact, is then covered on the top of conductor 103 with insulating materials again.
The beneficial effects of the invention are as follows：This design can make standpipe connection is primary to complete, the construction efficiency at the scene of improving,
And there is high reliability.The present apparatus can guarantee the current lead-through of heating tape, and the standpipe reduced in combustible ice recovery process blocks risk.
Detailed description of the invention
Fig. 1 is the combustible ice Primordial Qi standpipe device that electric-heating belt is placed in standpipe and standpipe male connection end schematic diagram；
Fig. 2 is the A direction view of Fig. 1；
Fig. 3 is with standpipe female adapter end structure schematic diagram；
Fig. 4 is Fig. 3 standpipe female adapter B direction view；
Fig. 5 is the combustible ice Primordial Qi standpipe device and riser flange seal nipple schematic diagram that electric-heating belt is placed in standpipe；
Fig. 6 is Fig. 5 riser flange connector C direction view.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, unless otherwise specified and limited, it should be noted that term " installation ", " connected ",
" connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, the connection being also possible to inside two elements can
It, can also be indirectly connected through an intermediary to be to be connected directly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term.
A kind of electric-heating belt that the present invention describes is placed in the combustible ice Primordial Qi standpipe device in standpipe, which includes following
Content：One connection subsea wellheads are to the standpipe of production tree waterborne, and one end of standpipe is male connection, and the other end connects for internal screw thread
Head；One is placed in the anticorrosion antiwear internal lining pipe in standpipe, which is high molecular material；One layer to be wound in anti-corrosion resistance to
Grind the electric-heating belt outside internal lining pipe；In the gap of the internal lining pipe and standpipe that have wound electric-heating belt, it is poured interior lining bottom
Layer material；One heat insulation layer, is placed in outside standpipe；Power source connection system between a set of standpipe pipeline section, in the outer of male connection
Surface processes a groove, fills in insulating materials in groove, and insulating materials center embeds conductor, and conductor is extended down to standpipe end and with one
Electrical power contacts head is connected；After two adjacent standpipe pipeline sections are connected through a screw thread, two electrical power contacts heads eventually stop at same position, mutually
Contact, power supply connection；Bottom liner is between internal lining pipe and standpipe, using high molecular material moulding by casting, in being bonded
Bushing pipe and standpipe, have good heat insulating, be electrically insulated, have stronger cementability, not with the clad of electric-heating belt
Learn reaction.
Preferably, heat insulation layer is polyethylene or polypropylene material.
Fig. 1 is oil reservoir standpipe male connection schematic diagram, in this embodiment includes oil reservoir standpipe 108, bottom liner
106, electric-heating belt 107, surface layer internal lining pipe 105, male connection 101A and multiple heating tape wire contacts；According to heat preservation
Thermal insulation layer requirement, can also add a set of the outer protection tube 110 and standpipe external thermal insulation thermal insulation layer 109, heat insulation layer can be guarantor
Warm heat-barrier material, is also possible to vacuum layer；It is male connection 101A in one end of standpipe, is internal screw thread in the other end of pipeline section
Connector 101B（Fig. 3）, for surface layer internal lining pipe 105 by high molecular material by extrusion forming preparation, outer diameter is less than oil reservoir standpipe 108
Internal diameter；Electric-heating belt 107 is wrapped in 105 outer surface of internal lining pipe, then pacifies the internal lining pipe 105 for winding electric-heating belt 107
In oil reservoir standpipe 108, bottom inner lining material 106 is poured in the gap of surface layer internal lining pipe 105 and oil reservoir standpipe 108, it is real
Existing production casing 108 and internal lining pipe 105 are reliably connected, and are formed and protected to electric-heating belt 107, and surface layer inner lining material 105 is not
Only there is good wearability, but also should have good thermal conductivity, to guarantee most of heat caused by electric-heating belt 107
Amount is absorbed by combustible ice Primordial Qi, and in the present embodiment, bottom liner 106 such as has both heat insulation function, then does not need heat preservation heat insulation layer
109 and outer tube 110.
At male connection 101A, it is laterally drilled with multiple holes（It is determined according to heat tracing line number amount, the present embodiment is 2）,
Insulating polymeric material 104 is first filled in hole, then in 104 inner part drilling of insulating polymeric material, one hole, inside filling conductor
103, every line of heating tape is connect in joint with filling conductor 103, and formation is conducted with contact 102A1 and 102A2.
Fig. 2 is the A direction view of male connection 101A, processes a groove in the outer surface of male connection, fills out thereto
Insulating polymeric material 104 is infused, and is allowed to be connected with the insulating materials in side opening；A groove is processed on insulating materials 104 again,
Embedded conductor 103, extends to contact 102, is then covered on 103 top of conductor with insulating polymeric material again.
Fig. 3 is the schematic diagram of electric tracing vertical tube structure female adapter 101B in screw-type, corresponding male connection 101A,
Corresponding contact is done on female adapter 101B, when male connection and female adapter coupling, both can guarantee that screw thread was close
The connection of cover, and electric-heating belt between each standpipe pipeline section can be made to be connected.
In another embodiment（See Fig. 5）, the connector between oil reservoir standpipe uses flange pattern, at bump joint 101C,
Laterally it is drilled with multiple holes（It is determined according to heat tracing line number amount, the present embodiment is 2）, insulating polymeric material is first filled in hole
104, then in 104 inner part drilling, one hole, inside filling conductor 103, all conducting wires of heating tape are in joint and the company of conductor 103
It connects, realization is connected with contact 102C1 and 102C2.In addition to good wearability, surface layer liner should also have good thermal conductivity,
To guarantee that heat caused by electric-heating belt 107 is all absorbed by fluid.
Fig. 6 is the bump joint C direction view of electric tracing standpipe in flange form, is slotted in the outer surface of bump joint, Xiang Qi
In fill in insulating polymeric material 104, be allowed to be connected with the insulating materials in side opening, to guarantee conductor 103 and production casing
Insulation, then slots on insulating materials 104, embeds conductor 103, extends at the 102C of contact, then covered again with insulating materials
Cover the top in conductor 103.
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 one reality of the invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or show
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples
It can be combined in any suitable manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (8)
1. a kind of electric-heating belt is placed in the combustible ice Primordial Qi standpipe device in standpipe, which is characterized in that the device includes in following
Hold：One connection subsea wellheads are to the standpipe of production tree waterborne, and one end of standpipe is male connection, and the other end connects for internal screw thread
Head；One is placed in the anticorrosion antiwear internal lining pipe in standpipe, which is high molecular material；One layer to be wound in anti-corrosion resistance to
Grind the electric-heating belt outside internal lining pipe；In the gap of the internal lining pipe and standpipe that have wound electric-heating belt, it is poured interior lining bottom
Layer material；One heat insulation layer, is placed in outside standpipe；Power source connection system between a set of standpipe pipeline section, in the outer of male connection
Surface processes a groove, fills in insulating materials in groove, and insulating materials center embeds conductor, and conductor is extended down to standpipe end and with one
Electrical power contacts head is connected；After two adjacent standpipe pipeline sections are connected through a screw thread, two electrical power contacts heads eventually stop at same position, mutually
Contact, power supply connection；Bottom liner is between internal lining pipe and standpipe, using high molecular material moulding by casting, in being bonded
Bushing pipe and standpipe, have good heat insulating, be electrically insulated, have stronger cementability, not with the clad of electric-heating belt
Learn reaction.
2. combustible ice Primordial Qi standpipe device according to claim 1, which is characterized in that heat insulation layer is polyethylene or gathers
Propylene material.
3. combustible ice Primordial Qi standpipe device according to claim 1, which is characterized in that standpipe device include oil reservoir standpipe,
Bottom liner, electric-heating belt, surface layer internal lining pipe, male connection and multiple heating tape wire contacts；According to heat insulation layer
It is required that can also add a set of the outer protection tube and standpipe external thermal insulation thermal insulation layer, heat insulation layer can be heat preserving and insulating material,
Can be vacuum layer, one end of standpipe be male connection, pipeline section the other end be female adapter, surface layer internal lining pipe by
High molecular material is prepared by extrusion forming, and outer diameter is less than the internal diameter of oil reservoir standpipe；Electric-heating belt is wrapped in internal lining pipe appearance
The internal lining pipe for winding electric-heating belt is then mounted in oil reservoir standpipe by face；The gap of internal lining pipe and oil reservoir standpipe on surface layer
Interior casting bottom inner lining material, realization production casing and internal lining pipe are reliably connected, and are formed and protected to electric-heating belt；In surface layer
Lining material will not only have good wearability, but also should have good thermal conductivity, big caused by electric-heating belt to guarantee
Partial heat is absorbed by combustible ice Primordial Qi, and bottom liner such as has both heat insulation function, then does not need heat preservation heat insulation layer and outer tube.
4. combustible ice Primordial Qi standpipe device according to claim 3, which is characterized in that lateral to bore at male connection
There are multiple holes, insulating polymeric material is first filled in hole, then in one hole of insulating polymeric material inner part drilling, inside filling is led
Every line of body, heating tape is connect in joint with filling conductor, and formation is conducted with contact.
5. combustible ice Primordial Qi standpipe device according to claim 4, which is characterized in that add in the outer surface of male connection
One groove of work, fills in insulating polymeric material thereto, and is allowed to be connected with the insulating materials in side opening；Again on the insulating material
A groove is processed, conductor is embedded, extends to contact, is then covered on above conductor with insulating polymeric material again.
6. combustible ice Primordial Qi standpipe device according to claim 5, which is characterized in that corresponding male connection, in interior spiral shell
Corresponding contact is done on line connector, when male connection and female adapter coupling, both can guarantee the connection in thread seal face,
Electric-heating belt between each standpipe pipeline section can be made to be connected again.
7. combustible ice Primordial Qi standpipe device according to claim 1, which is characterized in that the connector between oil reservoir standpipe can be used
Flange pattern is laterally drilled with multiple holes, first fills in insulating polymeric material in hole, then in inner part drilling one at bump joint
Hole, inside filling conductor, all conducting wires of heating tape are connect in joint with conductor, and realization is connected with contact, in addition to good
Wearability, surface layer liner should also have good thermal conductivity, to guarantee that heat caused by electric-heating belt is all inhaled by fluid
It receives.
8. combustible ice Primordial Qi standpipe device according to claim 7, which is characterized in that opened in the outer surface of bump joint
Slot fills in insulating polymeric material thereto, is allowed to be connected with the insulating materials in side opening, to guarantee conductor and production casing
Insulation, then slots on the insulating material, embeds conductor, extends at contact, be then covered on conductor with insulating materials again
Top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810646734.5A CN108895237A (en) | 2018-06-21 | 2018-06-21 | A kind of electric-heating belt is placed in the combustible ice Primordial Qi standpipe device in standpipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810646734.5A CN108895237A (en) | 2018-06-21 | 2018-06-21 | A kind of electric-heating belt is placed in the combustible ice Primordial Qi standpipe device in standpipe |
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| Publication Number | Publication Date |
|---|---|
| CN108895237A true CN108895237A (en) | 2018-11-27 |
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|---|---|---|---|
| CN201810646734.5A Pending CN108895237A (en) | 2018-06-21 | 2018-06-21 | A kind of electric-heating belt is placed in the combustible ice Primordial Qi standpipe device in standpipe |
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| CN109630074A (en) * | 2019-02-20 | 2019-04-16 | 安徽物迅科技有限公司 | A kind of electromagnetic heater and method for the exploitation of seabed combustible ice |
| CN111810060A (en) * | 2020-09-02 | 2020-10-23 | 西南石油大学 | Double-layer pipe microwave heating short joint for hydrate conveying |
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