CN209195385U - Device for producing thickened oil and thickened oil recovery system - Google Patents

Device for producing thickened oil and thickened oil recovery system Download PDF

Info

Publication number
CN209195385U
CN209195385U CN201821196370.7U CN201821196370U CN209195385U CN 209195385 U CN209195385 U CN 209195385U CN 201821196370 U CN201821196370 U CN 201821196370U CN 209195385 U CN209195385 U CN 209195385U
Authority
CN
China
Prior art keywords
oil
transfer pipeline
pipe
oil pipe
cavity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201821196370.7U
Other languages
Chinese (zh)
Inventor
牛阁
李丹阳
刘勇
于志楠
罗慎超
苟柱银
苏东坡
尹怀润
晏楠
段云江
钟楚红
李红波
杨文明
王宏
曹鹏
郭志广
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Petrochina Co Ltd
China Petroleum and Natural Gas Co Ltd
Original Assignee
China Petroleum and Natural Gas Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Petroleum and Natural Gas Co Ltd filed Critical China Petroleum and Natural Gas Co Ltd
Priority to CN201821196370.7U priority Critical patent/CN209195385U/en
Application granted granted Critical
Publication of CN209195385U publication Critical patent/CN209195385U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a kind of device for producing thickened oil and thickened oil recovery system.Wherein, oil pumping quarrying apparatus includes oil pipe, casing and packer;Oil pipe is vertically extending, and casing is set in outside oil pipe, and oil jacket annulus is formed between oil pipe and casing;Packer is connected between oil pipe and casing;Oil jacket annulus is divided into the first cavity and positioned at the second cavity of the first cavity bottom by packer;The bottom end of oil pipe is provided with the oil well pump for being pumped into the viscous crude in casing in oil pipe, first cavity is communicated with the first transfer pipeline and the second transfer pipeline, first transfer pipeline heats the viscous crude in oil pipe for conveying the fluid of preset temperature into the first cavity, and the second transfer pipeline is for being discharged fluid.Device for producing thickened oil provided by the utility model and thickened oil recovery system when thickened oil recovery, since the first transfer pipeline is arranged in the first cavity, will not occupy oil pipe inner space, the flowing space of viscous crude is big, and improves the flowing velocity of viscous crude.

Description

Device for producing thickened oil and thickened oil recovery system
Technical field
The utility model relates to technical field of petroleum extraction more particularly to a kind of device for producing thickened oil and thickened oil recovery systems 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 processing in oil pipe, and then reach The purpose of 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 thermal, heating device, to reduce viscosity, improves the movement speed of viscous crude Degree.
But in the prior art, heating device is arranged inside oil pipe, occupies the space in oil pipe, reduces viscous crude The flowing space, production efficiency is low, and be easy blocking oil pipe.
Utility model content
The utility model provides a kind of device for producing thickened oil and thickened oil recovery system, to overcome viscous crude flowing in the prior art The small problem in space.
The utility model provides a kind of device for producing thickened oil, comprising: oil pipe, casing and packer.
The oil pipe is vertically extending, and described sleeve pipe is set in outside the oil pipe, and between the oil pipe and described sleeve pipe Form oil jacket annulus.
The packer is connected between the oil pipe and described sleeve pipe;The oil jacket annulus is divided by the packer First cavity and the second cavity positioned at first cavity bottom.
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, first cavity It is communicated with the first transfer pipeline and the second transfer pipeline, first transfer pipeline is used to convey into first cavity default The fluid of temperature is to heat the viscous crude in the oil pipe, and second transfer pipeline with production tree for being connected to, described in discharge Fluid.
Device for producing thickened oil as described above, wherein first transfer pipeline is vertically extending, and first conveying There is pre-determined distance between the bottom end of pipeline and the packer.
Device for producing thickened oil as described above, wherein heating member, the heating member are provided on first transfer pipeline The fluid of first transfer pipeline is flowed through for heating to form the fluid of the preset temperature.
Device for producing thickened oil as described above, wherein the heating member includes the annular around first transfer pipeline Calandria.
Device for producing thickened oil as described above, wherein the quantity of the heating member be it is multiple, multiple heating members are along hanging down To being arranged at intervals on first transfer pipeline.
Device for producing thickened oil as described above, wherein the quantity of first transfer pipeline be it is multiple, multiple described first Transfer pipeline is arranged along the circumferencial direction interval of the oil pipe.
Device for producing thickened oil as described above, wherein it further include the pump housing, the output end of the pump housing and first conveying Piping connection, input terminal are connect with second transfer pipeline.
Device for producing thickened oil as described above, wherein further include heating component, the heating component is arranged described first Between transfer pipeline and the pump housing.
Device for producing thickened oil as described above, wherein the fluid includes water or vapor.
The utility model also provides a kind of thickened oil recovery system, including production tree and thickened oil recovery as described above dress It sets, the production tree includes first pipe and second pipe;First transfer pipeline of the device for producing thickened oil and described first Pipeline connection;Second transfer pipeline of the device for producing thickened oil is connected to the second pipe.
Device for producing thickened oil provided by the utility model and thickened oil recovery system pass through setting oil pipe, casing and packer; Oil pipe is vertically extending, and casing is set in outside oil pipe, and oil jacket annulus is formed between oil pipe and casing;Packer is connected to oil pipe Between casing;Oil jacket annulus is divided into the first cavity and positioned at the second cavity of the first cavity bottom by packer;Oil pipe Bottom end be provided with for by casing viscous crude be pumped into oil pipe in oil well pump, the first cavity be communicated with the first transfer pipeline and Second transfer pipeline, the first transfer pipeline are used for for conveying the fluid of preset temperature, the second transfer pipeline into the first cavity It is connected to production tree, fluid is discharged.When thickened oil recovery, since the first transfer pipeline is arranged in the first cavity, it will not occupy The flowing space of oil pipe inner space, viscous crude is big, and can store the fluid of preset temperature in the first cavity, thus to oil pipe Heat effect is played, the flowing velocity of viscous crude is improved, improves 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 first transfer pipeline embodiment one in Fig. 1;
Fig. 3 is the structural schematic diagram of the first transfer pipeline embodiment two in Fig. 1;
Fig. 4 is the structural schematic diagram of the first transfer pipeline embodiment three in Fig. 1;
Fig. 5 is the structural schematic diagram of the utility model device for producing thickened oil embodiment two;
Fig. 6 is the structural schematic diagram of the utility model device for producing thickened oil embodiment three.
Description of symbols:
1: oil pipe;
2: casing;
3: the first transfer pipelines;
4: heating member;
5: the pump housing;
6: oil jacket annulus;
61: the first cavitys;
62: the second cavitys;
7: packer;
8: heating component.
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.
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 thermal, heating device, to reduce viscosity, improves the movement speed of viscous crude Degree.
But in the prior art, heating device is arranged inside oil pipe, occupies the space in oil pipe, reduces viscous crude The flowing space, production efficiency is low, and be easy blocking oil pipe.
To solve the above-mentioned problems, the utility model embodiment provides a kind of device for producing thickened oil and thickened oil recovery system, To increase the flowing space and flow efficiency of viscous crude.
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;Incorporated by reference to Fig. 1, the present embodiment is mentioned For a kind of device for producing thickened oil, comprising: oil pipe 1, casing 2 and packer 7.Oil pipe 1 is vertically extending, and casing 2 is set in oil pipe 1 Outside, and between oil pipe 1 and casing 2 oil jacket annulus 6 is formed.Packer 7 is connected between oil pipe 1 and casing 2;Packer 7 will be oily Set annular space 6 is divided into the first cavity 61 and the second cavity 62 positioned at 61 bottom of the first cavity.The bottom end setting of oil pipe 1 is useful In the oil well pump being pumped into the viscous crude in casing 2 in oil pipe 1, the first cavity 61 is communicated with the first transfer pipeline 3 and the second conveying Pipeline, the first transfer pipeline 3 is for conveying the fluid of preset temperature into the first cavity 61 to heat the viscous crude in oil pipe 1, and the Two transfer pipelines with production tree for being connected to, fluid is discharged.
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 It is equipped with oil well pump, 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 upwards It is transported to well upper ground surface platform, and then is stored or is 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 2 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.
The internal diameter of oil pipe 1 can be less than the outer diameter of casing 2, so that toroidal cavity is formed between oil pipe 1 and casing 2, the ring Shape cavity is properly termed as oil jacket annulus 6, in addition, packer 7 can be set between oil pipe 1 and casing 2, packer 7 can be Annular, inner surface can connect and seal with the outer surface of oil pipe 1, outer surface can be connect with the inner surface of casing 2 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, 61 He of the first cavity Second cavity 62 is not connected to.The structure of packer 7 can there are many, such as its can be self-sealing, compression, Wedged, 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, with enhancing Leakproofness.
First cavity 61 can be communicated with the first transfer pipeline 3 and the second carrying path, and the first transfer pipeline 3 can be to The fluid of injection preset temperature, the second carrying path can make the fluid to turn cold be discharged in one cavity 61;Preset temperature can be with Higher than the temperature of viscous crude, it is preferable that it can be 80 degree to 100 degree.First transfer pipeline 3 can be pipeline or setting in the borehole wall On through-hole structure, pipeline can be the hose of certain bending deformation can occur or can not deform hard tube.First conveying The top open part in the first cavity 61 can be set in pipeline 3.Second transfer pipeline may be pipeline or be arranged on the borehole wall Through-hole structure, pipeline can be the hose of certain bending deformation can occur or can not deform hard tube.Second delivery pipe The opening in the first cavity 61 can be set in road, and the first transfer pipeline 3 can inject preset temperature into the first cavity 61 Fluid specifically can be communicated with liquid pump or high-pressure fluid source, to be pumped into the stream of preset temperature into the first cavity 61 Body.The fluid of preset temperature can heat oil pipe 1, reduce the viscosity of viscous crude in oil pipe 1.Second transfer pipeline 3 can also To be connected with electric pump, so that the fluid to turn cold in the first cavity 61 be extracted out, guarantee that the liquid in the first cavity 61 remains Higher temperature.The type of fluid can there are many, such as gas or liquid etc., it is preferable that it may include water or vapor, Water resource is easier to obtain, and cost is relatively low.
Oil well pump can be set in the bottom of oil pipe 1, can be the downhole hardware that crude oil in well can be extracted into ground. Oil well pump can be tubing pump or insert pump, can specifically be selected according to the actual situation.
When oil exploitation, the fluid that the first transfer pipeline 3 is full of preset temperature into the first cavity 61 is first passed through, thus plus Hot oil pipe 1;The viscous crude of casing 2 is pumped into oil pipe 1 with oil well pump afterwards and transports well upper ground surface platform, when viscous crude is transported in oil pipe 1 In dynamic process, it can be heated by the fluid of the preset temperature in the first cavity 61, to reduce the viscosity of viscous crude, and will not account for With the flowing space of viscous crude, high production efficiency.
Device for producing thickened oil provided in this embodiment passes through setting oil pipe, casing and packer;Oil pipe is vertically extending, Casing is set in outside oil pipe, and oil jacket annulus is formed between oil pipe and casing;Packer is connected between oil pipe and casing;Packing Oil jacket annulus is divided into the first cavity and positioned at the second cavity of the first cavity bottom by device;The bottom end of oil pipe, which is provided with, to be used for Viscous crude in casing is pumped into the oil well pump in oil pipe, the first cavity is communicated with the first transfer pipeline and the second transfer pipeline, the One transfer pipeline heats the viscous crude in oil pipe for conveying the fluid of preset temperature into the first cavity, and the second transfer pipeline is used It is connected in production tree, fluid is discharged.When thickened oil recovery, since the first transfer pipeline is arranged in the first cavity, Bu Huizhan The flowing space with oil pipe inner space, viscous crude is big, and can store the fluid of preset temperature in the first cavity, thus to oil Pipe plays heat effect, improves the flowing velocity of viscous crude, improves production efficiency.
Further, the first transfer pipeline 3 is vertically extending, and has between the bottom end and packer 7 of the first transfer pipeline 3 There is pre-determined distance.First transfer pipeline 3 can protrude into the first cavity 61, and the bottom end of the first transfer pipeline 3 can be close to packing Device 7 avoids being discharged due to bottom flow slow to guarantee the fluid that can be equably full of preset temperature in the first cavity 61 Slowly the phenomenon that turning cold, influence viscosity of thickened oil generation.
Fig. 2 is the structural schematic diagram of the first transfer pipeline embodiment one in Fig. 1;Incorporated by reference to Fig. 2, in the present embodiment, first Heating member 4 is provided on transfer pipeline 3, heating member 4 is for heating the fluid for flowing through the first transfer pipeline 3 to form preset temperature Fluid.Liquid into the first transfer pipeline 3 can be the lower liquid of temperature, is also possible to the higher fluid of temperature, adds Warmware 4 can heat the fluid for flowing through transfer pipeline 3, guarantee that it remains at higher temperature, guarantee viscous crude one Directly in hot environment.
Fig. 3 is the structural schematic diagram of the first transfer pipeline embodiment two in Fig. 1;Incorporated by reference to Fig. 3, in the present embodiment, heating Part 4 may include the annular-heating body for surrounding the first transfer pipeline 3, improves the heating surface area of fluid in the first transfer pipeline 3, mentions High heating efficiency.
Further, Fig. 4 is the structural schematic diagram of the first transfer pipeline embodiment three in Fig. 1;Incorporated by reference to Fig. 4, heating member 4 Quantity be it is multiple, multiple heating members 4 are vertically arranged at intervals on the first transfer pipeline 3, improve heating efficiency.
In another embodiment, Fig. 5 is the structural schematic diagram of the utility model device for producing thickened oil embodiment two;It please tie Close Fig. 5, the quantity of the first delivery pipe 3 be it is multiple, multiple first transfer pipelines 3 are arranged along the circumferencial direction interval of oil pipe 1, improve The flow of the fluid of the preset temperature of first cavity 61 injection, rises rapidly viscous crude problem.
Fig. 6 is the structural schematic diagram of the utility model device for producing thickened oil embodiment three.Incorporated by reference to Fig. 6, in above-mentioned implementation Example on the basis of, oil pumping quarrying apparatus further include the pump housing 5, the output end of the pump housing 5 is connect with the first transfer pipeline 3, input terminal and The connection of second transfer pipeline.The pump housing 5 can guarantee the fluid of preset temperature in the first cavity 61, the first transfer pipeline 3 and second It is recycled between transfer pipeline, reduces the consumption to water resource.
Further, device for producing thickened oil further includes heating component 8, and the setting of heating component 8 is in the first transfer pipeline 3 and pump Between body 5, it is further ensured that the temperature of fluid can achieve preset requirement, improves heating efficiency.
Heating component 8 can convert electrical energy into thermal energy and distribute, and the motion path in fluid can be set in heating component 8 On, with fluid heat exchange can occur for heating component 8, so that it becomes the fluid of preset temperature.The type of heating component 8 can have It is a variety of, such as it can be the heat radiating structures such as resistance, in another example it can also be the diaphragm that the heating such as carbon-fiber film can generate heat Structure.
The present embodiment also provides a kind of thickened oil recovery system, including production tree and device for producing thickened oil, production tree include First pipe and second pipe;Device for producing thickened oil, comprising: oil pipe 1, casing 2 and packer 7.Oil pipe 1 is vertically extending, set Pipe 2 is set in outside oil pipe 1, and oil jacket annulus 6 is formed between oil pipe 1 and casing 2.Packer 7 be connected to oil pipe 1 and casing 2 it Between;Oil jacket annulus 6 is divided into the first cavity 61 and positioned at the second cavity 62 of 61 bottom of the first cavity by packer 7.Oil pipe 1 Bottom end be provided with the oil well pump for being pumped into the viscous crude in casing 2 in oil pipe 1, the first cavity 61 is communicated with the first delivery pipe Road 3 and the second transfer pipeline, the first transfer pipeline 3 is for conveying the fluid of preset temperature into the first cavity 61 to heat oil pipe Viscous crude in 1, the second transfer pipeline with production tree for being connected to, fluid is discharged.First transfer pipeline of device for producing thickened oil It is connected to first pipe;Second transfer pipeline of device for producing thickened oil is connected to second pipe.
Specifically, production tree can be oil recovery tree construction common in the art, and first pipe can be set thereon And second pipe, first pipe can be connected to the first transfer pipeline 3 or a part of of the first pipeline can form the first conveying Pipeline 3.Second pipe can be connected to the second transfer pipeline or a part of of the second pipeline can form the second transfer pipeline. Therefore, it may be implemented that fluid is injected or excluded to the first cavity 61 by production tree.The structure and function of device for producing thickened oil with Above-described embodiment is identical, and details are not described herein.
When oil exploitation, the fluid that the first transfer pipeline 3 is full of preset temperature into the first cavity 61 is first passed through, thus plus Hot oil pipe 1;The viscous crude of casing 2 is pumped into oil pipe 1 with oil well pump afterwards and transports well upper ground surface platform, when viscous crude is transported in oil pipe 1 In dynamic process, it can be heated by the fluid of the preset temperature in the first cavity 61, to reduce the viscosity of viscous crude, and will not account for With the flowing space of viscous crude, high production efficiency.
Thickened oil recovery system provided in this embodiment passes through setting oil pipe, casing and packer;Oil pipe is vertically extending, Casing is set in outside oil pipe, and oil jacket annulus is formed between oil pipe and casing;Packer is connected between oil pipe and casing;Packing Oil jacket annulus is divided into the first cavity and positioned at the second cavity of the first cavity bottom by device;The bottom end of oil pipe, which is provided with, to be used for Viscous crude in casing is pumped into the oil well pump in oil pipe, the first cavity is communicated with the first transfer pipeline and the second transfer pipeline, the One transfer pipeline heats the viscous crude in oil pipe for conveying the fluid of preset temperature into the first cavity, and the second transfer pipeline is used It is connected in production tree, fluid is discharged.When thickened oil recovery, since the first transfer pipeline is arranged in the first cavity, Bu Huizhan The flowing space with oil pipe inner space, viscous crude is big, and can store the fluid of preset temperature in the first cavity, thus to oil Pipe plays heat effect, improves the flowing velocity of viscous crude, improves production efficiency.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature." multiple " are meant that at least two, such as two in the description of the present invention, It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connection ", " is consolidated at " connected " It is fixed " to wait terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or is integral;It can be Mechanical connection is also possible to be electrically connected or can communicate each other;It can be directly connected, the indirect phase of intermediary can also be passed through Even, the connection inside two elements or the interaction relationship of two elements be can be, unless otherwise restricted clearly.For this For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature " upper " or " under " It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special Sign second feature " on ", " top " and " above " can be fisrt feature and be directly above or diagonally above the second feature, or only Indicate that first feature horizontal height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the above description, reference term " one embodiment ", " some embodiments ", " example ", " specific example " or " " equal description means that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained in some examples In at least one embodiment or example of the utility model.In the present specification, schematic expression of the above terms are necessarily It is directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be at any one Or it can be combined in any suitable manner in multiple embodiment or examples.In addition, without conflicting with each other, those skilled in the art Member the feature of different embodiments or examples described in this specification and different embodiments or examples can be combined and Combination.
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 (7)

1. a kind of device for producing thickened oil characterized by comprising oil pipe, casing and packer;
The oil pipe is vertically extending, and described sleeve pipe is set in outside the oil pipe, and is formed between the oil pipe and described sleeve pipe Oil jacket annulus;
The packer is connected between the oil pipe and described sleeve pipe;The oil jacket annulus is divided into first by the packer Cavity and the second cavity positioned at first cavity bottom;
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 first cavity connection There are the first transfer pipeline and the second transfer pipeline, first transfer pipeline is for conveying preset temperature into first cavity Fluid to heat the viscous crude in the oil pipe, second transfer pipeline with production tree for being connected to, the fluid is discharged;
Wherein, first transfer pipeline protrudes into first cavity, the quantity of first transfer pipeline be it is multiple, it is multiple First transfer pipeline is arranged along the circumferencial direction interval of the oil pipe;
Heating member is provided on first transfer pipeline, the heating member is for heating the stream for flowing through first transfer pipeline Body is to form the fluid of the preset temperature;
The heating member includes the annular-heating body around first transfer pipeline.
2. device for producing thickened oil according to claim 1, which is characterized in that first transfer pipeline is vertically extending, And there is pre-determined distance between the bottom end and the packer of first transfer pipeline.
3. device for producing thickened oil according to claim 1, which is characterized in that the quantity of the heating member be it is multiple, it is multiple The heating member is vertically arranged at intervals on first transfer pipeline.
4. device for producing thickened oil according to claim 1-3, which is characterized in that it further include the pump housing, the pump housing Output end connect with first transfer pipeline, input terminal is connect with second transfer pipeline.
5. device for producing thickened oil according to claim 4, which is characterized in that it further include heating component, the heating component It is arranged between first transfer pipeline and the pump housing.
6. device for producing thickened oil according to claim 1-3, which is characterized in that the fluid includes that water or water steam Gas.
7. a kind of thickened oil recovery system, which is characterized in that including production tree and the described in any item viscous crude of claim 1-6 Quarrying apparatus, the production tree include first pipe and second pipe;First transfer pipeline of the device for producing thickened oil and institute State first pipe connection;Second transfer pipeline of the device for producing thickened oil is connected to the second pipe.
CN201821196370.7U 2018-07-26 2018-07-26 Device for producing thickened oil and thickened oil recovery system Active CN209195385U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821196370.7U CN209195385U (en) 2018-07-26 2018-07-26 Device for producing thickened oil and thickened oil recovery system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821196370.7U CN209195385U (en) 2018-07-26 2018-07-26 Device for producing thickened oil and thickened oil recovery system

Publications (1)

Publication Number Publication Date
CN209195385U true CN209195385U (en) 2019-08-02

Family

ID=67403435

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821196370.7U Active CN209195385U (en) 2018-07-26 2018-07-26 Device for producing thickened oil and thickened oil recovery system

Country Status (1)

Country Link
CN (1) CN209195385U (en)

Similar Documents

Publication Publication Date Title
CN201843600U (en) SAGD (Steam Assisted Gravity Drainage) mechanical lifting circulating preheating equipment
CN102425403B (en) Method for determining setting depth of coaxial double hollow sucker rods
US10378322B2 (en) Prevention of gas accumulation above ESP intake with inverted shroud
CN204252929U (en) Oil recovery water plugging string
CN103362476A (en) Casing type downhole heat exchanger heating system capable of preventing wall of producing well from paraffin precipitation
CN209195385U (en) Device for producing thickened oil and thickened oil recovery system
CN201280924Y (en) Steam cycle thick oil heating production pipe column
US20150159474A1 (en) Hydrocarbon production apparatus
CN203441440U (en) Thickened oil recovery system for horizontal well
CN208330320U (en) Device for producing thickened oil and thickened oil recovery system
CN204041041U (en) Oil well increases liquid device
RU2713290C1 (en) Well pumping unit for simultaneous separate operation of two formations
RU2325513C1 (en) Device for fluid injection in bottom formation and oil extractions from upper formation
CN203614084U (en) Oil extracting pipe column for thick oil extraction
CN107387031B (en) A kind of single-well injection-production pump group
RU2525563C1 (en) Processing of wellbore zone of formation
Langbauer et al. Hydraulic concentric tubular pumping system for lifting oil in EOR completions
CN204344084U (en) Oil recovery mechanism and there is its oil extraction system
CN107630680A (en) All-metal screw pump Thickened oil injection-production integrated device
CN107905773A (en) The application method of all-metal screw pump Thickened oil injection-production integrated device
EP3551841A1 (en) Hydrocarbon wells and methods cooperatively utilizing a gas lift assembly and an electric submersible pump
CN103835688B (en) Double containment steam injection is recovered the oil dual-purpose oil rig
CN206158686U (en) Flow string
CN201173110Y (en) Oil pumping equipment with hot pipe type pumping rod
CN208966249U (en) A kind of compact coaxial double-pipe injection-production well mouth device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant