CN106837280A - Combined heated lifting device and its heating lifting method - Google Patents
Combined heated lifting device and its heating lifting method Download PDFInfo
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- CN106837280A CN106837280A CN201710211421.2A CN201710211421A CN106837280A CN 106837280 A CN106837280 A CN 106837280A CN 201710211421 A CN201710211421 A CN 201710211421A CN 106837280 A CN106837280 A CN 106837280A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 106
- 239000003921 oil Substances 0.000 claims abstract description 63
- 238000000605 extraction Methods 0.000 claims abstract description 37
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 32
- 239000010937 tungsten Substances 0.000 claims abstract description 32
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000005538 encapsulation Methods 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 239000010779 crude oil Substances 0.000 claims description 16
- 230000004888 barrier function Effects 0.000 claims description 9
- 238000005485 electric heating Methods 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 239000011490 mineral wool Substances 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 8
- 239000000295 fuel oil Substances 0.000 abstract description 3
- 230000000630 rising effect Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000011491 glass wool Substances 0.000 description 2
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
- E21B43/2401—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection by means of electricity
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
- E21B36/005—Heater surrounding production tube
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
- E21B36/04—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones using electrical heaters
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention provides a kind of combined heated lifting device and its heating lifting method, the combined heated lifting device includes：Multiple heated by electrothermal film mechanisms are interval with flow string, heated by electrothermal film mechanism has electrothermal tube, and electrothermal tube winds the first tungsten filament；Oil extraction pump is connected to flow string lower end；Electromagnetic wave heat energy generator is connected to oil extraction pump lower end, is made up of multiple bringing-up sections, and bringing-up section includes magnetic bar and is connected to the resistor rod at magnetic bar two ends, and copper wire is wound with magnetic bar, and the second tungsten filament is wound with resistor rod；Encapsulation cable, with bringing-up section cable, Electric radiant Heating Film cable and superconducting pulse cable, encapsulation cable is arranged in the annular space of flow string and sleeve pipe composition, Electric radiant Heating Film cable is connected with the first tungsten filament of multiple heated by electrothermal film mechanisms, bringing-up section cable is connected with the second tungsten filament, and superconducting pulse cable is connected with copper wire.The present invention can realize that viscous crude quickly heats lifting, prevent temperature drop, viscosity rising in heavy oil heating lifting process.
Description
Technical field
The present invention is related to a kind of device and method of heating crude oil lifting, more particularly in a kind of oil exploitation technology neck
Combined heated lifting device and its heating lifting method in domain.
Background technology
At present, each elephant all has that crude oil lifting is difficult both at home and abroad, and the crude oil lifting method of main flow includes
Electric heating rod, water are heated and mix different substances together thin oil, but the lifting effect of the above method is all not satisfactory, and energy consumption is all very big.
Relative to ordinary crude oils, the viscosity of viscous crude and super-viscous oil is big, and freezing point is low, and temperature drop is fast in flow string.So, viscous crude
Lifting with super-viscous oil is increasingly difficult, as a puzzlement petroleum industry technical barrier for many years.In the prior art also without one
Planting can effectively solve energy consumption greatly and the slow-footed apparatus and method of lifting.
The content of the invention
It is an object of the invention to provide a kind of combined heated lifting device, its heating lifting speed is fast, can effectively prevent
Temperature drop in heavy oil heating lifting process.
It is another object of the present invention to provide a kind of heating lifting method of combined heated lifting device, the method is lifted
Lifting speed is fast, can effectively prevent the temperature drop in heavy oil heating lifting process.
Above-mentioned purpose of the invention can be realized using following technical proposal：
The present invention provides a kind of combined heated lifting device, including：
Flow string, is interval with multiple heated by electrothermal film mechanisms thereon, and the heated by electrothermal film mechanism has electrothermal tube,
The first tungsten filament is wound with the electrothermal tube；
Oil extraction pump, its lower end for being connected to the flow string；
Electromagnetic wave heat energy generator, its lower end for being connected to the oil extraction pump, the electromagnetic wave heat energy generator is by contacting
Multiple bringing-up sections composition of assembling, the bringing-up section includes magnetic bar and the resistor rod for being connected to the magnetic bar two ends,
Copper wire is wound with the magnetic bar, the second tungsten filament is wound with the resistor rod；
Encapsulation cable, it has bringing-up section cable, Electric radiant Heating Film cable and superconducting pulse cable, and the encapsulation cable is arranged on
In the annular space of the flow string and sleeve pipe composition, the of the Electric radiant Heating Film cable and multiple heated by electrothermal film mechanisms
One tungsten filament is connected, and the bringing-up section cable is connected with second tungsten filament, and the superconducting pulse cable is connected with the copper wire.
Combined heated lifting device as described above, wherein, the outside of first tungsten filament and second tungsten filament it is outer
Portion is coated with heat insulating coat.
Combined heated lifting device as described above, wherein, the flow string is provided with multiple centralizers, adjacent two-by-two
The heated by electrothermal film mechanism between be provided with a centralizer.
Combined heated lifting device as described above, wherein, the flow string is provided with four heated by electrothermal film mechanisms,
The first heated by electrothermal film mechanism, the second Electric radiant Heating Film are sequentially provided with above from the lower section of the flow string to the flow string
Heating arrangements, the 3rd heated by electrothermal film mechanism and the 4th heated by electrothermal film mechanism；The first heated by electrothermal film mechanism with it is described
The distance between oil extraction pump is 10m~30m；The distance between the second heated by electrothermal film mechanism and described oil extraction pump are 100m
~200m；The distance between the 3rd heated by electrothermal film mechanism and described oil extraction pump are 300m~400m；4th electric heating
The distance between film heating arrangements and ground are 100m~200m.
Combined heated lifting device as described above, wherein, outside, the described Electric radiant Heating Film cable of the bringing-up section cable
The outside of outside and described superconducting pulse cable is equipped with insulating barrier.
Combined heated lifting device as described above, wherein, the insulating barrier is high temperature resistance glass wool insulation layer.
Combined heated lifting device as described above, wherein, the length of the bringing-up section is 1m, the length of the magnetic bar
It is 50cm, the length of the resistor rod is 25cm, and screwed connection is passed through between the magnetic bar and the resistor rod.
Combined heated lifting device as described above, wherein, the length of the heated by electrothermal film mechanism is 5m~10m, institute
The joint that is respectively arranged at the two ends with of the first tungsten filament is stated, first tungsten filament is connected by the joint with the Electric radiant Heating Film cable.
The present invention also provides a kind of heating lifting method of combined heated lifting device, using combined heated as described above
Lifting device, wherein, the heating lifting method of the combined heated lifting device comprises the following steps：
Step A：Start the electromagnetic wave heat energy generator, heat thick oil underground well；
Step B：After thick oil underground well is changed into low viscous crude oil, start the oil extraction pump and multiple heated by electrothermal film
The low viscous crude oil is extracted into ground by mechanism, the oil extraction pump from the flow string.
The heating lifting method of combined heated lifting device as described above, wherein, the electromagnetic wave heat energy generator
Heating-up temperature is 200 DEG C~300 DEG C.
The heating lifting method of combined heated lifting device as described above, wherein, the flow string is provided with four
Heated by electrothermal film mechanism, from the lower section of the flow string to the flow string above be sequentially provided with the first heated by electrothermal film
Mechanism, the second heated by electrothermal film mechanism, the 3rd heated by electrothermal film mechanism and the 4th heated by electrothermal film mechanism；First Electric radiant Heating Film
The heating-up temperature of heating arrangements is 160 DEG C~180 DEG C, and the heating-up temperature of the second heated by electrothermal film mechanism is 180 DEG C~200
DEG C, the heating-up temperature of the 3rd heated by electrothermal film mechanism is 200 DEG C~220 DEG C, and the 4th heated by electrothermal film mechanism adds
Hot temperature is 220 DEG C, and the low viscous crude oil is by the first heated by electrothermal film mechanism, second heated by electrothermal film
When mechanism, the 3rd heated by electrothermal film mechanism and the 4th heated by electrothermal film mechanism, can be heated by staged.
The heating lifting method of combined heated lifting device as described above, wherein, the first heated by electrothermal film mechanism
It is 10m~30m with the distance between the oil extraction pump；The distance between the second heated by electrothermal film mechanism and described oil extraction pump
It is 100m~200m；The distance between the 3rd heated by electrothermal film mechanism and described oil extraction pump are 300m~400m；Described
The distance between four heated by electrothermal film mechanisms and ground are 100m~200m.
The features of the present invention and advantage are：
Combined heated lifting device of the invention, by the electromagnetic wave heat energy generator set in flow string bottom, energy
Enough realize the quick heating to thick oil underground well；In addition, by spaced multiple heated by electrothermal film mechanisms on flow string,
Multiple heated by electrothermal film mechanisms heat stepwise, staged heats up, and efficiently solves temperature drop of the viscous crude in lifting process, viscous
The problem for rising is spent, cost for oil production is reduced.
The heating lifting method of combined heated lifting device of the invention, can realize the quick heating lifting of viscous crude, prevent
Only temperature drop, viscosity rising of the viscous crude in lifting process is heated, reduce cost for oil production.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of combined heated lifting device of the invention；
Fig. 2 is the structural representation of the electromagnetic wave heat energy generator of combined heated lifting device of the invention；
Fig. 3 is the structural representation of the heated by electrothermal film mechanism of combined heated lifting device of the invention；
Fig. 4 is the flow chart of the heating lifting method of combined heated lifting device of the invention.
Drawing reference numeral explanation：1st, electric control gear；2nd, superconducting pulse device；3rd, bringing-up section cable；4th, centralizer；41st, first
Centralizer；42nd, the second centralizer；43rd, the 3rd centralizer；5th, oil extraction pump；51st, sucker rod；6th, Electric radiant Heating Film cable；7th, Electric radiant Heating Film adds
Heat engine structure；71st, the first heated by electrothermal film mechanism；710th, electrothermal tube；711st, joint；712nd, the first tungsten filament；72nd, the second Electric radiant Heating Film adds
Heat engine structure；73rd, the 3rd heated by electrothermal film mechanism；74th, the 4th heated by electrothermal film mechanism；8th, flow string；9th, superconducting pulse cable；
10th, sleeve pipe；11st, electromagnetic wave heat energy generator；1100th, bringing-up section；110th, magnetic bar；1101st, copper wire；1102nd, terminals；111、
Resistor rod；1111st, the second tungsten filament；1112nd, terminals.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Implementation method one
As shown in Figure 1 to Figure 3, the present invention provides a kind of combined heated lifting device, including：Flow string 8, is spaced thereon
Multiple heated by electrothermal film mechanisms 7 are provided with, the heated by electrothermal film mechanism 7 has electrothermal tube 710, is wound on the electrothermal tube 710
There is the first tungsten filament 712；Oil extraction pump 5, its lower end for being connected to the flow string 8；Electromagnetic wave heat energy generator 11, it is connected to
The lower end of the oil extraction pump 5, the electromagnetic wave heat energy generator 11 is made up of multiple bringing-up sections 1100 of series winding assembling, described to add
Hot arc 1100 includes magnetic bar 110 and is connected to the resistor rod 111 at the two ends of the magnetic bar 110, on the magnetic bar 110
Copper wire 1101 is wound with, the second tungsten filament 1111 is wound with the resistor rod 111；Encapsulation cable, its have bringing-up section cable 3,
Electric radiant Heating Film cable 6 and superconducting pulse cable 9, the encapsulation cable are arranged on the annular of the flow string 8 and the composition of sleeve pipe 10
In space, the Electric radiant Heating Film cable 6 is connected with the first tungsten filament 712 of multiple heated by electrothermal film mechanisms 7, the bringing-up section electricity
Cable 3 is connected with second tungsten filament 1111, and the superconducting pulse cable 9 is connected with the copper wire 1101.Combination of the invention adds
Hot lifting device, by the electromagnetic wave heat energy generator 11 set in the bottom of flow string 8, can realize to the fast of thick oil underground well
Speed heating；In addition, combined heated lifting device of the invention, is added by spaced multiple Electric radiant Heating Films on flow string 8
Heat engine structure 7, multiple heat stepwises of heated by electrothermal film mechanism 7, staged heats up, and efficiently solves temperature of the viscous crude in lifting process
The problem that degree declines, viscosity rises, reduces cost for oil production.
Specifically, in the present embodiment, as shown in figures 1 and 3, compartment of terrain is connected with four sections of electric heating on flow string 8
Film heating arrangements 7, including the first heated by electrothermal film mechanism 71, the second heated by electrothermal film mechanism 72, the 3rd heated by electrothermal film mechanism
73 and the 4th heated by electrothermal film mechanism 74.The structure of each heated by electrothermal film mechanism is identical, and the first heated by electrothermal film mechanism 71 is pacified
It is filled at the top 10m of oil extraction pump 5~30m, design temperature is 160 DEG C~180 DEG C；Second heated by electrothermal film mechanism 72 is attached to adopt
At the top 100m of oil pump 5~200m, design temperature is 180 DEG C~200 DEG C；3rd heated by electrothermal film mechanism 73 is attached to oil extraction pump
At 5 top 300m~400m, design temperature is 200 DEG C~220 DEG C；4th heated by electrothermal film mechanism 74 is attached to away from ground 100m
At~200m, design temperature is 220 DEG C.The structure of each heated by electrothermal film mechanism is all identical, with the first heated by electrothermal film mechanism
As a example by 71, it has electrothermal tube 710, and the first tungsten filament 712 of the outside of electrothermal tube 710 winding, the first tungsten filament 712 is respectively arranged at the two ends with joint
711, joint 711 is connected with Electric radiant Heating Film cable 6, and multiple heated by electrothermal film mechanisms are contacted by Electric radiant Heating Film cable 6, Electric radiant Heating Film cable
6 outside is provided with insulating barrier, and the insulating barrier can be high temperature resistance glass wool insulation layer or the insulation sleeve being made up of glass fiber material
Pipe, the scope of its temperature in use is 600 DEG C to 1000 DEG C.The outside of first tungsten filament 712 is enclosed with heat insulating coat, can prevent heat
Outwards scatter and disappear, heat is transmitted to inside electrothermal tube 710, the heat insulating coat can be ceramic insulation coating.Each Electric radiant Heating Film
Heating arrangements 7 all have electrothermal tube 710, and each electrothermal tube 710 all has screw thread (not marked in figure), electrothermal tube 710 and oil recovery
Pass through screwed connection between tubing string 8.
As depicted in figs. 1 and 2, electromagnetic wave heat energy generator 11 is connected to the bottom of oil extraction pump 5, electromagnetic wave heat energy generator 11
It is segmentation series arrangement, each bringing-up section 1100 is one meter, between each bringing-up section 1100 by screw thread (not marked in figure) even
Pick up and.One section of the centre of bringing-up section 1100 is the magnetic bar 110 of 50cm, and copper wire 1101, copper wire are wound with magnetic bar 110
1101 terminals 1102 are connected with one end of superconducting pulse cable 9, the other end of superconducting pulse cable 9 and the superconduction arteries and veins on ground
Flushing device 2 is connected, and superconducting pulse device 2 is that superconducting pulse cable 9 provides superconducting pulse electric current；The two ends of magnetic bar 110 respectively connect
A resistor rod 111 is connected to, the second tungsten filament 1111, one end of bringing-up section cable 3 and the second tungsten filament 1111 are wound on resistor rod 111
Terminals 1112 are connected, and the other end of bringing-up section cable 3 is connected with surface electrical control device 1, and electric control gear 1 is bringing-up section cable 3
Control electric current is provided.Second tungsten filament is externally coated with heat insulating coat, and the material of the heat insulating coat can be ceramic insulation coating.
In the present embodiment, the outside of bringing-up section cable 3 and the outside of superconducting pulse cable 9 are equipped with insulating barrier, to protect cables from
Corrode, the material of the insulating barrier can be for example high temperature resistance mineral wool or the insulating sleeve being made up of glass fiber material, and it is used
Temperature range is 600 DEG C to 1000 DEG C.
Flow string 8 is located in sleeve pipe 10, the bottom connection oil extraction pump 5 of flow string 8, in the present embodiment, is adopted
Oil pump 5 is provided with sucker rod 51, i.e., the oil extraction pump 5 provides power to there is rod-type oil extraction pump by sucker rod 51.The oil extraction pump 5 is
Oil extraction pump known in the art, its concrete structure will not be repeated here.
Further, multiple centralizers 4 are provided between multiple heated by electrothermal film mechanisms 7 and sleeve pipe 10, play support and recover the oil
The purpose of tubing string 8, prevents the contact friction between flow string 8 and sleeve pipe 10 from causing to damage.Specifically, add in the first Electric radiant Heating Film
The first centralizer 41 is provided between the heated by electrothermal film mechanism 72 of heat engine structure 71 and second；In the second heated by electrothermal film mechanism 72 and
The second centralizer 42 is provided between three heated by electrothermal film mechanisms 73；In the 3rd heated by electrothermal film mechanism 73 and the 4th heated by electrothermal film
The 3rd centralizer 43 is provided between mechanism 74.Above three centralizer is it is possible to prevente effectively from flow string 8 and four Electric radiant Heating Films add
Collision and friction between heat engine structure 7 and sleeve pipe 10.
The course of work of combined heated lifting device of the invention is as follows：First, combined heated of the invention is lifted and is filled
Put and be lowered into underground, electromagnetic wave heat energy generator 11 is located at underground oil reservoir middle part, start surface electrical control device 1 and superconducting pulse
Device 2, four heated by electrothermal film mechanisms 7 and electromagnetic wave heat energy generator 11 are started working, and the sticky crude oil in underground is in electromagnetic wave
Viscosity reduction under the heating of heat energy generator 11, becomes low viscous crude oil, mobility enhancing.Then, oil extraction pump 5 starts work
Make, low viscous crude oil is lifted upwards, by the multiple quilts of heated by electrothermal film mechanism 7 on flow string 8 in lifting process
Further staged heating, so as to successfully be given rise to ground.
Combined heated lifting device of the invention, by the electromagnetic wave heat energy generator 11 set in the bottom of flow string 8,
The quick heating of viscous crude can be realized；In addition, combined heated lifting device of the invention, is set by being spaced on flow string 8
The multiple heated by electrothermal film mechanisms 7 put, multiple heat stepwises of heated by electrothermal film mechanism 7, staged heats up, and efficiently solves viscous crude
The problem that temperature drop, viscosity in lifting process rise, reduces cost for oil production.
Implementation method two
The present invention also provides a kind of heating lifting method of combined heated lifting device, and the method is using in implementation method one
Combined heated lifting device, wherein, the structure of combined heated lifting device, operation principle and beneficial effect and implementation method one
It is identical, repeat no more again.The heating lifting method of the combined heated lifting device comprises the following steps：
As shown in figure 4, step A：Start the electromagnetic wave heat energy generator 11, heat thick oil underground well；
Specifically, the heating-up temperature of electromagnetic wave heat energy generator 11 is 200 DEG C~300 DEG C, and the viscous crude of underground oil reservoir is in height
The lower viscosity of temperature effect declines, and becomes thin oil, and mobility is greatly improved.
Step B：After thick oil underground well is changed into low viscous crude oil, starts the oil extraction pump 5 and multiple Electric radiant Heating Films add
Low viscous crude oil is extracted into ground by heat engine structure 7, the oil extraction pump 5 from the flow string 8；
Specifically, the flow string 8 is provided with four heated by electrothermal film mechanisms 7, from the lower section of the flow string 8 to
The top of the flow string 8 is sequentially provided with the first heated by electrothermal film mechanism 71, the second heated by electrothermal film mechanism 72, the 3rd electric heating
The heated by electrothermal film mechanism 74 of film heating arrangements 73 and the 4th；Wherein, the heating-up temperature of the first heated by electrothermal film mechanism 71 is
160 DEG C~180 DEG C, the distance between the first heated by electrothermal film mechanism 71 and described oil extraction pump 5 are 10m~30m；Described
The heating-up temperature of two heated by electrothermal film mechanisms 72 is 180 DEG C~200 DEG C, the second heated by electrothermal film mechanism 72 and the oil recovery
The distance between pump 5 is 100m~200m；The heating-up temperature of the 3rd heated by electrothermal film mechanism 73 is 200 DEG C~220 DEG C, institute
The distance between the 3rd heated by electrothermal film mechanism 73 and described oil extraction pump 5 are stated for 300m~400m；4th heated by electrothermal film
The heating-up temperature of mechanism 74 is 220 DEG C；The distance between the 4th heated by electrothermal film mechanism 74 and ground are 100m~200m；
When the low viscous crude oil is by the first heated by electrothermal film mechanism 71, the second heated by electrothermal film mechanism 72, institute
When stating the 3rd heated by electrothermal film mechanism 73 and the 4th heated by electrothermal film mechanism 74, can be heated by staged.
Heating lifting method of the invention, can realize the quick heating lifting of viscous crude, prevent viscous crude from being lifted in heating
Temperature drop, viscosity in journey rise, and reduce cost for oil production.
Schematical specific embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.It is any
Those skilled in the art, done equivalent variations and modification on the premise of design of the invention and principle is not departed from,
The scope of protection of the invention should be belonged to.
Claims (12)
1. a kind of combined heated lifting device, it is characterised in that the combined heated lifting device includes：
Flow string, is interval with multiple heated by electrothermal film mechanisms thereon, and the heated by electrothermal film mechanism has electrothermal tube, described
The first tungsten filament is wound with electrothermal tube；
Oil extraction pump, its lower end for being connected to the flow string；
Electromagnetic wave heat energy generator, its lower end for being connected to the oil extraction pump, the electromagnetic wave heat energy generator is assembled by series winding
Multiple bringing-up sections composition, the bringing-up section includes magnetic bar and is connected to the resistor rod at the magnetic bar two ends, described
Copper wire is wound with magnetic bar, the second tungsten filament is wound with the resistor rod；
Encapsulation cable, it has bringing-up section cable, Electric radiant Heating Film cable and superconducting pulse cable, and the encapsulation cable is arranged on described
In the annular space of flow string and sleeve pipe composition, the first tungsten of the Electric radiant Heating Film cable and multiple heated by electrothermal film mechanisms
Silk is connected, and the bringing-up section cable is connected with second tungsten filament, and the superconducting pulse cable is connected with the copper wire.
2. combined heated lifting device as claimed in claim 1, it is characterised in that the outside of first tungsten filament and described
The outside of two tungsten filaments is coated with heat insulating coat.
3. combined heated lifting device as claimed in claim 1, it is characterised in that the flow string is provided with multiple rightings
Device, is provided with a centralizer between the adjacent heated by electrothermal film mechanism two-by-two.
4. combined heated lifting device as claimed in claim 1, it is characterised in that the flow string is provided with four electric heating
Film heating arrangements, from the lower section of the flow string to the flow string above be sequentially provided with the first heated by electrothermal film machine
Structure, the second heated by electrothermal film mechanism, the 3rd heated by electrothermal film mechanism and the 4th heated by electrothermal film mechanism；First Electric radiant Heating Film adds
The distance between heat engine structure and described oil extraction pump are 10m~30m；Between the second heated by electrothermal film mechanism and the oil extraction pump
Distance be 100m~200m；The distance between the 3rd heated by electrothermal film mechanism and described oil extraction pump are 300m~400m；
The distance between the 4th heated by electrothermal film mechanism and ground are 100m~200m.
5. combined heated lifting device as claimed in claim 1, it is characterised in that the bringing-up section cable it is outside, described
The outside of the outside of Electric radiant Heating Film cable and the superconducting pulse cable is equipped with insulating barrier.
6. combined heated lifting device as claimed in claim 5, it is characterised in that the insulating barrier is that high temperature resistance mineral wool is exhausted
Edge layer.
7. combined heated lifting device as claimed in claim 1, it is characterised in that the length of the bringing-up section is 1m, described
The length of magnetic bar is 50cm, and the length of the resistor rod is 25cm, and screw thread is passed through between the magnetic bar and the resistor rod
Connection.
8. combined heated lifting device as claimed in claim 1, it is characterised in that the length of the heated by electrothermal film mechanism is
5m~10m, first tungsten filament is respectively arranged at the two ends with a joint, and first tungsten filament passes through the joint and the electrothermal film electric
Cable is connected.
9. a kind of heating lifting method of combined heated lifting device, using the combination as any one of claim 1 to 8
Heating lifting device, it is characterised in that the heating lifting method of the combined heated lifting device comprises the following steps：
Step A：Start the electromagnetic wave heat energy generator, heat thick oil underground well；
Step B：After thick oil underground well is changed into low viscous crude oil, start the oil extraction pump and multiple heated by electrothermal film machines
The low viscous crude oil is extracted into ground by structure, the oil extraction pump from the flow string.
10. the heating lifting method of combined heated lifting device as claimed in claim 9, it is characterised in that the electromagnetic wave
The heating-up temperature of heat energy generator is 200 DEG C~300 DEG C.
The heating lifting method of the 11. combined heated lifting device as described in claim 9 or 10, it is characterised in that described to adopt
Tubing string is provided with four heated by electrothermal film mechanisms, and the top from the lower section of the flow string to the flow string sets successively
There are the first heated by electrothermal film mechanism, the second heated by electrothermal film mechanism, the 3rd heated by electrothermal film mechanism and the 4th heated by electrothermal film machine
Structure；The heating-up temperature of the first heated by electrothermal film mechanism is 160 DEG C~180 DEG C, and the second heated by electrothermal film mechanism adds
Hot temperature is 180 DEG C~200 DEG C, and the heating-up temperature of the 3rd heated by electrothermal film mechanism is 200 DEG C~220 DEG C, the described 4th
The heating-up temperature of heated by electrothermal film mechanism be 220 DEG C, the low viscous crude oil by the first heated by electrothermal film mechanism,
When the second heated by electrothermal film mechanism, the 3rd heated by electrothermal film mechanism and the 4th heated by electrothermal film mechanism, can quilt
Staged is heated.
The heating lifting method of 12. combined heated lifting devices as claimed in claim 11, it is characterised in that first electricity
The distance between hotting mask heating arrangements and described oil extraction pump are 10m~30m；The second heated by electrothermal film mechanism and the oil recovery
The distance between pump is 100m~200m；The distance between the 3rd heated by electrothermal film mechanism and described oil extraction pump for 300m~
400m；The distance between the 4th heated by electrothermal film mechanism and ground are 100m~200m.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021260455A1 (en) * | 2020-06-23 | 2021-12-30 | Joslyn Energy Development Incorporated | Extraction from a formation with induction heating |
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