CN208330320U

CN208330320U - Device for producing thickened oil and thickened oil recovery system

Info

Publication number: CN208330320U
Application number: CN201820579221.2U
Authority: CN
Inventors: 牛阁; 李丹阳
Original assignee: China Petroleum and Natural Gas Co Ltd
Current assignee: China Petroleum and Natural Gas Co Ltd
Priority date: 2018-04-23
Filing date: 2018-04-23
Publication date: 2019-01-04
Anticipated expiration: 2028-04-23

Abstract

The utility model provides a kind of device for producing thickened oil and thickened oil recovery system.Wherein, device for producing thickened oil includes: vertically extending oil pipe and the casing that is set in outside oil pipe；The bottom end of oil pipe vertically is provided with the oil well pump for being pumped into the viscous crude in casing in oil pipe, and oil pipe is internally provided with heating member, and heating member is used to heat the viscous crude inside oil pipe；Oil pipe is also communicated with carrying path, and one end away from oil pipe of carrying path is used to inject diluent in oil pipe from container with the reservoir for holding viscous crude diluent.Device for producing thickened oil provided by the utility model and thickened oil recovery system, when oil exploitation, the viscous crude of sleeve bottom is pumped into oil pipe by oil well pump, when viscous crude is in oil pipe in motion process, heating member can heat viscous crude, and diluent can be injected in oil pipe from container by carrying path and is diluted to viscous crude, and the viscosity of viscous crude is quickly reduced, and guarantee that a small amount of energy can be consumed while production efficiency.

Description

Device for producing thickened oil and thickened oil recovery system

Technical field

The utility model relates to oil extraction in oil field field of engineering technology more particularly to a kind of device for producing thickened oil and thickened oil recoveries System.

Background technique

In oilfield development process, since the viscosity of crude produced in oil well is larger, it is easy blocking pit shaft and collector and delivery pipe Line may even happen that booster phenomenon when serious.Therefore, it is necessary to reduce viscosity of thickened oil to the crude Treatment in oil pipe, in turn Achieve the purpose that safety in production.

In the prior art, the underground work of oilfield exploitation generally uses casing and oil pipe to carry out, and casing is set in outside oil pipe Portion, the bottom of oil pipe are connected with oil well pump, and the viscous crude of sleeve bottom can be pumped into oil pipe by oil well pump, and be transported by oil pipe It is stored and is transported to well upper mounting plate.And the viscosity for reducing viscous crude is arranged that is, in oil pipe and adds generally using the method for heating The temperature of the viscous crude of oil pipe internal flow can be improved in warmware, heating member, to reduce viscosity, improves the movement velocity of viscous crude.

But in the prior art, the viscosity restriction low by heat exchanger effectiveness is reduced by way of heating, being difficult will be thick The viscosity of oil is reduced to preset value；And if to guarantee that the viscosity of viscous crude is reduced to preset value, it is necessary to a large amount of electric energy is consumed, Cause the waste of the energy.

Utility model content

The utility model provides a kind of device for producing thickened oil and thickened oil recovery system, reduces viscous crude in the prior art to overcome Viscosity consumes the more problem of the energy.

The utility model provides a kind of device for producing thickened oil, comprising: vertically extending oil pipe and is set in the oil Casing outside pipe；The bottom end of the oil pipe is provided with the oil well pump for being pumped into the viscous crude in casing in oil pipe, the oil pipe It is internally provided with heating member, the heating member is used to heat the viscous crude inside the oil pipe；It is logical that the oil pipe is also communicated with conveying Road, the carrying path away from one end of the oil pipe be used for the reservoir that holds viscous crude diluent, by diluent from The container injects in the oil pipe.

Device for producing thickened oil as described above further includes the packer being connected between the oil pipe and described sleeve pipe；Institute It states and forms oil jacket annulus between oil pipe and described sleeve pipe, the oil jacket annulus is divided into the first cavity and position by the packer In the second cavity of first cavity bottom；Valve is additionally provided on the oil pipe, in described valve one end and the oil pipe Portion's connection, the other end are connected to first cavity；The carrying path is collectively formed in first cavity and the valve.

Device for producing thickened oil as described above, wherein the valve is check valve.

Device for producing thickened oil as described above, wherein the quantity of the valve be it is multiple, multiple valves are along the oil The axially spaced-apart of pipe is arranged.

Device for producing thickened oil as described above, wherein the quantity of the valve be it is multiple, multiple valves are along the oil The spaced radial of pipe is arranged.

Device for producing thickened oil as described above, wherein the heating member encloses the heating surface of closed ring, and the hair The axis in hot face is overlapped with the axis of the oil pipe.

Device for producing thickened oil as described above, wherein the vertical height of the vertical height of the heating surface and the oil pipe It is identical.

Device for producing thickened oil as described above, wherein the quantity of the heating member be it is multiple, multiple heating members are along institute State the axially spaced-apart setting of oil pipe.

Device for producing thickened oil as described above, wherein the viscous crude diluent is the thin oil that viscosity is less than the viscous crude.

The utility model also provides a kind of thickened oil recovery system, including container, production tree and viscous crude as described above are opened Device for picking；Viscous crude diluent is contained in the container, the production tree is for being connected to the container and the carrying path.

Device for producing thickened oil provided by the utility model and thickened oil recovery system by setting oil pipe and are set in oil pipe Outer casing；Wherein, the bottom end of oil pipe is provided with oil well pump, and oil pipe is internally provided with heating member, and oil pipe is also communicated with conveying Access, carrying path can be connected to oil pipe and hold the container of viscous crude diluent.When oil exploitation, oil well pump is by sleeve bottom Viscous crude is pumped into oil pipe and transports well upper ground surface platform, and when viscous crude is in oil pipe in motion process, heating member can heat thick Oil, and diluent can be injected in oil pipe from container by carrying path and is diluted to viscous crude, so that the viscosity of viscous crude can be with It quickly reduces, guarantees that a small amount of energy can be consumed while production efficiency.

Detailed description of the invention

Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing, it should be appreciated that herein Described specific embodiment is only used for describing and explaining the present invention, and the utility model is not limited to following specific realities Apply mode.

Fig. 1 is the structural schematic diagram of the utility model device for producing thickened oil embodiment one；

Fig. 2 is the structural schematic diagram of the utility model device for producing thickened oil embodiment two；

Fig. 3 is the structural schematic diagram of the utility model device for producing thickened oil embodiment three；

Fig. 4 is the structural schematic diagram of the utility model device for producing thickened oil example IV；

Fig. 5 is the structural schematic diagram of the utility model device for producing thickened oil embodiment five；

Fig. 6 is the structural schematic diagram of the utility model thickened oil recovery system.

Description of symbols:

1: oil pipe；11: valve；

2: casing；3: oil well pump；

4: heating member；5: carrying path；

6: oil jacket annulus；61: the first cavitys；

62: the second cavitys；7: packer；

8: production tree；81: container.

Specific embodiment

In oilfield development process, crude oil studies on asphaltene and gum level in stratum are higher, viscosity is larger, and mobility is very Difference, such crude oil are commonly referred to as viscous crude.In the case where facing energy shortages, viscous crude resource is undoubtedly very important One of the energy, but due to the These characteristics of viscous crude, there is also certain difficulty for exploitation.

For pumping well with pole, in heavy crude producing, since viscosity is excessively high, paraffin content is big, so that the oil stream of oil pipe is logical Road reduces, and the uplink and downlink resistance of rod string increases, and when down stroke horse head easily occurs and " fights " phenomenon, and horse head is negative when upstroke Lotus increases, and can make sucker rod stuck in oil pipe when serious, or even cause the down-hole accident of rod broken.In addition, for oil Layer the lower well of temperature, standing valve for oil-well pump, standing valve cover and its with lower portion since pressure is low, also hold in process of production Stifled well is easily formed, and to be forced to carry out well workover.

For electric submersible pump producing well, since electric immersible pump well discharge capacity is big, pressure is low at suction inlet, when reservoir temperature is lower When, it is easy wax deposition herein and blade guiding wheel runner is caused to block, drilling fluid resistance increases, and makes the discharge capacity decline of pump, while can make electricity Machine load increases, serious that motor is caused often to shut down, and prevents electric pump unit from running well.

To sum up, the recovery process difficulty of viscous crude is larger, and the down-hole accident frequency in exploitation is caused due to the property of viscous crude Hair and its expense increase, and can make cost for oil production substantial increase.Therefore, the research of reducing thick oil viscosity recovery method is for reducing underground The generation of accident and reduction thickened oil recovery cost are of great significance.

To solve the above-mentioned problems, the utility model embodiment provides a kind of device for producing thickened oil and thickened oil recovery system, Quickly to reduce viscosity of thickened oil, and reduce the loss of the energy.

Embodiment one

Fig. 1 is the structural schematic diagram of the utility model device for producing thickened oil embodiment one.Incorporated by reference to Fig. 1, the present embodiment is mentioned For a kind of device for producing thickened oil, comprising: vertically extending oil pipe 1 and the casing 2 being set in outside oil pipe 1；The bottom end of oil pipe 1 It is provided with the oil well pump 3 for being pumped into the viscous crude in casing 2 in oil pipe 1, oil pipe 1 is internally provided with heating member 4, heating member 4 For heating the viscous crude inside oil pipe 1；Oil pipe 1 is also communicated with carrying path 5, carrying path 5 away from one end of oil pipe 1 be used for The reservoir for holding viscous crude diluent, by diluent out of container injection oil pipe 1.

Specifically, device for producing thickened oil can be applied to petroleum underground mining, it is particularly possible to the higher viscous crude of viscosity into Row exploitation.Device for producing thickened oil may include oil pipe 1 and the casing being set in outside oil pipe 12, and the bottom end of oil pipe 1 can be set Be equipped with oil well pump 3, when Petroleum Production, viscous crude can be drawn into oil pipe 1 from 2 bottom of casing, and under the action of oil well pump 3 to On be transported to well upper ground surface platform, and then stored or transported.

Casing 2 can be tubular structure, can be vertically extending, when Petroleum Production, can be lowered into underground, preferably Ground, casing 2 can also be fixed on the borehole wall by structures such as casing cementings, and the activity of production process middle sleeve 2 is avoided to influence operation, Perforation can also be carried out by the casing to reservoir position, to realize oil gas circulation passage of the reservoir into pit shaft.

Oil pipe 1 can be tubular structure, can be vertically extending, when Petroleum Production, oil pipe 1 can lower section arrive casing 2 Flow string has can be set in oil pipe 1, so that the viscous crude in shaft bottom is transported well upper ground surface platform in inside.In addition, oil pipe 1 It can be connect with well upper ground surface platform with the top of casing 2, the length of oil pipe 1 can be less than the length of casing 2, thus convenient pair The operation such as production of downhole tool.

Oil well pump 3 can be set in the bottom of oil pipe 1, can be the underground dress that crude oil in well can be extracted into ground It sets.Oil well pump 3 can be tubing pump or insert pump, can specifically be selected according to the actual situation.

Heating member 4 is also provided with inside oil pipe 1, heating member 4 can convert electrical energy into thermal energy and distribute, heating member 4 It can be set on the motion path of viscous crude, when viscous crude moves upwards in oil pipe 1, heating member 4 can be sent out with viscous crude Heat exchange, improves the temperature of viscous crude.The type of heating member 4 can there are many, such as it can be the heat radiating structures such as resistance, again Such as it can also be the diaphragm structure that the heating such as carbon-fiber film can generate heat.The setting of heating member 4 can also there are many, such as It can be set at the middle part of oil pipe 1, in another example being not specifically limited herein on its inner surface that oil pipe 1 can also be arranged in.

Carrying path 5 is also communicated on oil pipe 1, carrying path 5 can be connected to oil pipe 1 and container, can store in container There is the viscous crude diluent that can dilute viscous crude.The type of viscous crude diluent can there are many, such as it can be and can be adsorbed in The surfactant of oily interfacial friction is reduced between oil reservoir, in another example it can be colloid, the asphalitine that can make in viscous crude The catalyst being broken at sulfide linkage.

Preferably, viscous crude diluent can be less than the thin oil of viscous crude for viscosity.Thin oil can for kerosene, diesel oil, light oil, Low viscosity crude oil etc., the viscosity of thin oil are less than the viscosity of viscous crude, and thin oil is adulterated in viscous crude can make the two carry out mixing drop The distance between low script viscous crude colloid, asphalitine, reduce its interaction, so that the mobility of viscous crude is more preferable, and And oil reservoir will not be injured.

The structure of carrying path 5 can there are many, such as carrying path 5 can for pipeline architecture in the prior art for example Hose, hard tube etc..In another example carrying path 5 can also be the internal path formed in entity structure by modes such as punchings, It is not specifically limited herein.By taking carrying path 5 is hose as an example, connecting hole or connector could be formed on the side wall of oil pipe 1, One end of hose can be connected on connecting hole or connector by being spirally connected or being clamped, the other end of hose can with for placing The reservoir of viscous crude diluent, container can be located at well upper ground surface platform, and the viscous crude diluent in container can be in gravity Effect is lower to be entered inside oil pipe 1 by transfer pipeline 5, to be diluted to the viscous crude inside oil pipe 1, to reduce the viscous of viscous crude Degree.

When oil exploitation, the viscous crude of casing 2 is pumped into oil pipe 1 and transports well upper ground surface platform by oil well pump 3, when viscous crude exists During oil pipe 1 moves, heating member 4 can heat viscous crude, and viscous crude diluent can be injected by carrying path from container Viscous crude is diluted in oil pipe 1, is acted on simultaneously by heating and diluted method and the viscosity of viscous crude is quickly reduced.

Device for producing thickened oil provided in this embodiment passes through setting oil pipe and the casing being set in outside oil pipe；Wherein, oily The bottom end of pipe is provided with oil well pump, and oil pipe is internally provided with heating member, and oil pipe is also communicated with carrying path, and carrying path can Connection oil pipe and the container for holding viscous crude diluent.When oil exploitation, the viscous crude of sleeve bottom is pumped into oil pipe simultaneously by oil well pump Well upper ground surface platform is transported, when viscous crude is in oil pipe in motion process, heating member can heat viscous crude, and diluent can lead to It crosses carrying path to be diluted viscous crude out of container injection oil pipe, the viscosity of viscous crude is quickly reduced, guarantees production A small amount of energy can be consumed while efficiency.

Embodiment two

Fig. 2 is the structural schematic diagram of the utility model device for producing thickened oil embodiment two.Incorporated by reference to Fig. 2, the present embodiment is Carrying path 5 is improved on the basis of example 1, the structure type of other component is the same as example 1, and specifically may be used With reference implementation example one.In the present embodiment, device for producing thickened oil can also include the packing being connected between oil pipe 1 and casing 2 Device 7 forms oil jacket annulus 6 between oil pipe 1 and casing 2；Oil jacket annulus 6 is divided into the first cavity 61 and is located at by packer 7 Second cavity 62 of 61 bottom of the first cavity；It is additionally provided with valve 11 on oil pipe 1, is connected to inside 11 one end of valve and oil pipe 1, separately One end is connected to the first cavity 61；Carrying path 5 is collectively formed with valve 11 in first cavity 61.

Specifically, the internal diameter of oil pipe 1 can be less than the outer diameter of casing 2, so that it is empty to form annular between oil pipe 1 and casing 2 Chamber, the toroidal cavity are properly termed as oil jacket annulus 6, in addition, packer 7 can be set between oil pipe 1 and casing 2, packer 7 It can connect and seal with the outer surface of oil pipe 1 for annular, inner surface, outer surface can be with the inner surface of casing 2 Connection and sealing, so as to which oil jacket annulus 6 to be divided into first cavity 61 at top and the second cavity 62 of bottom, first is empty Chamber 61 is not connected to the second cavity 62.The structure of packer 7 can there are many, such as its can be self-sealing, compression, wedge Enter formula, expanding, combined type etc..Preferably, rubber pad etc. can be set in the surface that packer 7 is connect with oil pipe 1 and casing 2, To enhance leakproofness.

Valve 11 can be set on the side wall that oil pipe 1 is located in the first cavity 61, the other end of valve 11 can be with The connection of one cavity 61, valve 11 can be valve mechanism common in the art, for example, ball valve, butterfly valve etc., do not do have herein Body limits.Valve 11 can be arranged at a distance from packer 7 according to the viscosity change curve in viscous crude flow process, so that thick The injection phase of oily diluent can more rapid and better be diluted viscous crude.In addition, the height of valve 11 can be sealed slightly above Every device 7, to avoid accumulating a large amount of viscous crude diluents in the first cavity 61, result in waste of resources.Valve 11 and the first cavity 61 can be collectively formed transfer pipeline 5.

When oil exploitation, the viscous crude of casing 2 is pumped into oil pipe 1 and transports well upper ground surface platform by oil well pump 3, when viscous crude exists During oil pipe 1 moves, viscous crude diluent can be pumped into the first cavity 61 by structures such as the pump housings from container, open valve 11, the viscous crude diluent being pumped into can enter inside oil pipe 1 under pressure, to mix with viscous crude, to reduce viscous crude Viscosity.

Further, as a kind of preferred embodiment of valve 11, valve 11 can be check valve, so that viscous crude dilutes Agent can only enter in oil pipe 1 from the first cavity 61, reflux cannot enter the first cavity 61 out of oil pipe 1, can without the pump housing To realize the mixing of viscous crude Yu viscous crude diluent, it is only necessary to container is placed on the position higher than check valve, viscous crude dilution The first cavity 61 can be entered under gravity, and entered in oil pipe 1.

Device for producing thickened oil provided in this embodiment, by being arranged packer between oil pipe and casing, packer can be with Oil jacket annulus is divided into first cavity at top and the second cavity of bottom, is additionally provided with valve on oil pipe, valve can connect Inside logical first cavity and oil pipe, the viscous crude diluent in container can enter oil pipe from the top of the first cavity by valve, And then viscous crude can be diluted.

Embodiment three

Fig. 3 is the structural schematic diagram of the utility model device for producing thickened oil embodiment three.Incorporated by reference to Fig. 3, the present embodiment is Carrying path 5 is improved on the basis of example 2, the structure type of other component is identical as embodiment two, specifically may be used With reference implementation example two.In the present embodiment, the quantity of valve 11 is multiple, axially spaced-apart setting of multiple valves 11 along oil pipe 1.

Specifically, valve 11 can be multiple, setting can be vertically spaced, furthermore it is possible to by the valve 11 at top Cracking pressure be set smaller than the cracking pressure of bottom valve 11, injected so as to disposably into the first cavity 61 a large amount of Viscous crude diluent, so that viscous crude diluent can automatically be diluted viscous crude during thickened oil recovery.Multiple valves 11 Position is arranged can also be arranged according to the viscosity change curve in viscous crude flow process, so that at the biggish several positions of viscosity There can be the injection of viscous crude diluent, exploit quicker.

Device for producing thickened oil provided in this embodiment, it is multiple by setting axially being arranged for oil pipe for valve, so that The different location of the flow path of viscous crude has viscous crude diluent, and dilution effect is more preferable.

Example IV

Fig. 4 is the structural schematic diagram of the utility model device for producing thickened oil example IV.Incorporated by reference to Fig. 4, the present embodiment is Carrying path 4 is improved on the basis of example 2, the structure type of other component is identical as embodiment two, specifically may be used With reference implementation example two.In the present embodiment, the quantity of valve 11 is multiple, spaced radial setting of multiple valves 11 along oil pipe 1.

Specifically, valve 11 can be multiple, can be arranged along the spaced radial of oil pipe, dilute so as to increase viscous crude The injection flow for releasing agent, improves the dilution rate of viscous crude.

Embodiment five

Fig. 5 is the structural schematic diagram of the utility model device for producing thickened oil embodiment five.Incorporated by reference to Fig. 5, the present embodiment exists Carrying path 4 is improved on the basis of embodiment two, the structure type of other component is identical as embodiment two, specifically can be with Reference implementation example two.In the present embodiment, valve 11 had not only been arranged along the spaced radial of oil pipe 1, but also set along the vertical spacing of oil pipe 1 It sets, dilution effect is more preferable.

In addition, the present embodiment is on the basis of the above embodiments, also heating member 4 is improved, heating member 4 encloses envelope The heating surface of closed-loop shaped, and the axis of heating surface is overlapped with the axis of oil pipe 1, viscous crude can be in 1 inner surface of heating surface and oil pipe Between path move upwards.Heating member 4 and the contact area of viscous crude are big, and viscosity reducing effect is good.

As a kind of preferred embodiment of heating member 4, the vertical height of heating surface and the vertical height of oil pipe 1 are identical. Specifically, heating member 4 can be arranged through oil pipe 1, so that viscous crude can from the process that oil pipe 1 moves to well upper ground surface platform It is heated, viscosity reducing effect is more preferable.

As another preferred embodiment of heating member 4, the quantity of heating member 4 be it is multiple, multiple heating members 4 are along oil pipe Axially spaced-apart setting, the position of heating member 4 can also be arranged according to the viscosity change curve in viscous crude flow process, thus Heating member 4 can be set in viscosity biggish position, viscosity reduction is more efficient.

Device for producing thickened oil provided in this embodiment, by the way that valve to be not only arranged along the spaced radial of oil pipe, but also along oil pipe Axially spaced-apart setting, and heating member is provided with to cylindrical heating surface, heating surface and oil pipe coaxial, further increases viscosity reduction Efficiency.

Embodiment six

Fig. 6 is the structural schematic diagram of the utility model thickened oil recovery system.Incorporated by reference to Fig. 6, the present embodiment provides a kind of thick Oily mining system, including container 81, production tree 8 and device for producing thickened oil；Viscous crude diluent, production tree are contained in container 81 8 for being connected to container 81 and carrying path 5.

Specifically, production tree 8 can be pipeline structure common in the art, and side can be provided with multiple logical thereon Road, some accesses are connected to oil jacket annulus 6；Some accesses are identical as oil pipe 1.It can be provided with shut-off valve on every access. The access being connected to oil jacket annulus 6 can be connected on container 81 by shut-off valve.Container 81 can be contained with viscous crude diluent, The shape and volume of container 81 can be configured according to the actual situation.The structure and function and above-mentioned implementation of oil pumping quarrying apparatus Example is identical, can specifically refer to above-described embodiment, details are not described herein.

When Petroleum Production, the shut-off valve on production tree 8 can be opened, so that container 81 is connected to carrying path 5, viscous crude is dilute Releasing agent can be entered in oil pipe 1 by production tree 8 through carrying path 5, be diluted to viscous crude in oil pipe 1.

Thickened oil recovery system provided in this embodiment passes through setting oil pipe and the casing being set in outside oil pipe；Wherein, oily The bottom end of pipe is provided with oil well pump, and oil pipe is internally provided with heating member, and oil pipe is also communicated with carrying path, and carrying path can Connection oil pipe and the container for holding viscous crude diluent.When oil exploitation, the viscous crude of sleeve bottom is pumped into oil pipe simultaneously by oil well pump Well upper ground surface platform is transported, when viscous crude is in oil pipe in motion process, heating member can heat viscous crude, and diluent can lead to It crosses carrying path to be diluted viscous crude out of container injection oil pipe, the viscosity of viscous crude is quickly reduced, guarantees production A small amount of energy can be consumed while efficiency.

In the present invention, term " first ", " second " are used only for the purpose of description, and should not be understood as instruction or Imply relative importance；The indicating positions such as term " on ", "lower", "top", "bottom" or positional relationship are side based on the figure Position or positional relationship are merely for convenience of description the utility model, rather than the device or original part of indication or suggestion meaning are necessary With specific orientation, it is constructed and operated in a specific orientation；Unless otherwise clearly defined and limited, " installation ", " connection " Equal terms are broadly understood, for example, " connection " may be fixed connection or may be dismantle connection, or integral connection. For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood as the case may be Meaning.

In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation The description of mode ", " example ", " specific example " or " some examples " etc. means embodiment or example is combined to describe specific Feature, structure, material or feature are contained at least one embodiment or example of the utility model.In this specification In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims

1. a kind of device for producing thickened oil characterized by comprising vertically extending oil pipe and be set in outside the oil pipe Casing；

The bottom end of the oil pipe is provided with the oil well pump for being pumped into the viscous crude in casing in oil pipe, setting inside the oil pipe There is heating member, the heating member is used to heat the viscous crude inside the oil pipe；The oil pipe is also communicated with carrying path, described defeated Access is sent to be used to infuse diluent from the container with the reservoir for holding viscous crude diluent away from one end of the oil pipe Enter in the oil pipe.

2. device for producing thickened oil according to claim 1, which is characterized in that further include being connected to the oil pipe and the set Packer between pipe；Oil jacket annulus is formed between the oil pipe and described sleeve pipe, the packer divides the oil jacket annulus It is divided into the first cavity and the second cavity positioned at first cavity bottom；Valve, the valve are additionally provided on the oil pipe It is connected to inside door one end and the oil pipe, the other end is connected to first cavity；First cavity and the valve are common Form the carrying path.

3. device for producing thickened oil according to claim 2, which is characterized in that the valve is check valve.

4. device for producing thickened oil according to claim 3, which is characterized in that the quantity of the valve is multiple, Duo Gesuo The axially spaced-apart that valve is stated along the oil pipe is arranged.

5. device for producing thickened oil according to claim 3, which is characterized in that the quantity of the valve is multiple, Duo Gesuo The spaced radial that valve is stated along the oil pipe is arranged.

6. device for producing thickened oil according to claim 1-5, which is characterized in that the heating member encloses closing The heating surface of annular, and the axis of the heating surface is overlapped with the axis of the oil pipe.

7. device for producing thickened oil according to claim 6, which is characterized in that the vertical height of the heating surface and the oil The vertical height of pipe is identical.

8. device for producing thickened oil according to claim 6, which is characterized in that the quantity of the heating member be it is multiple, it is multiple The heating member is arranged along the axially spaced-apart of the oil pipe.

9. device for producing thickened oil according to claim 1-5, which is characterized in that the viscous crude diluent is viscosity Less than the thin oil of the viscous crude.

10. a kind of thickened oil recovery system, which is characterized in that described in any item including container, production tree and claim 1-9 Device for producing thickened oil；Viscous crude diluent is contained in the container, the production tree is for being connected to the container and the conveying Access.