CN106194136A - A kind of screw pump oil production device with heating arrangements under pump and oil production method thereof - Google Patents
A kind of screw pump oil production device with heating arrangements under pump and oil production method thereof Download PDFInfo
- Publication number
- CN106194136A CN106194136A CN201610754890.4A CN201610754890A CN106194136A CN 106194136 A CN106194136 A CN 106194136A CN 201610754890 A CN201610754890 A CN 201610754890A CN 106194136 A CN106194136 A CN 106194136A
- Authority
- CN
- China
- Prior art keywords
- screw pump
- pump
- rod
- oil production
- conduction
- 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.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 39
- 230000005611 electricity Effects 0.000 claims abstract description 49
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000008878 coupling Effects 0.000 claims abstract description 3
- 238000010168 coupling process Methods 0.000 claims abstract description 3
- 238000005859 coupling reaction Methods 0.000 claims abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 54
- 229910052802 copper Inorganic materials 0.000 claims description 54
- 239000010949 copper Substances 0.000 claims description 54
- 238000012360 testing method Methods 0.000 claims description 35
- 238000012937 correction Methods 0.000 claims description 15
- 238000005553 drilling Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 9
- 238000012546 transfer Methods 0.000 claims description 9
- 230000004888 barrier function Effects 0.000 claims description 8
- 235000014676 Phragmites communis Nutrition 0.000 claims description 5
- 238000005065 mining Methods 0.000 claims description 5
- 239000003129 oil well Substances 0.000 claims description 4
- 239000004695 Polyether sulfone Substances 0.000 claims description 3
- 150000002576 ketones Chemical class 0.000 claims description 3
- 210000002445 nipple Anatomy 0.000 claims description 3
- 229920006393 polyether sulfone Polymers 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 235000019994 cava Nutrition 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 244000273618 Sphenoclea zeylanica Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 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
- E21B36/006—Combined heating and pumping means
-
- 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
-
- 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
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/126—Adaptations of down-hole pump systems powered by drives outside the borehole, e.g. by a rotary or oscillating drive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
- F04D13/10—Units comprising pumps and their driving means the pump being electrically driven for submerged use adapted for use in mining bore holes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D3/00—Axial-flow pumps
- F04D3/02—Axial-flow pumps of screw type
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
The invention discloses a kind of screw pump oil production device with heating arrangements under pump and oil production method thereof, including be arranged on down-hole and the more piece first that is sequentially connected with from top to bottom can conduct electricity transmission torque sucker rod, hollow screw pump rotor, second can conduct electricity transmission torque sucker rod, anti-sway deviation correcting device, conduct electricity quiet dynamic conversion attachment means and heater, connected and be arranged at conductive plug or the formation electrical connection of electrically conductive socket mutual plug-in mounting of each ends between above-mentioned each parts by conductive cable, and the most threaded fixing by being arranged on the connection coupling of two parts junctions；Solved the difficult problem being in the past only the heating of pump upper part at viscous crude, high solidifying screwrod pump when recovering the oil by the above-mentioned screw pump oil production device with heating arrangements under pump and the employing method of applying this device to realize, particularly can meet deep-well deep-layer heavy crude, high solidifying screwrod pump heating, viscosity reducing demand when recovering the oil.
Description
Technical field
The present invention relates to oil and gas exploitation technical field, particularly to a kind of, there is the screw pump of heating arrangements under pump
Extracting device of oil and oil production method thereof.
Background technology
Offshore platform is in combustible ice, high solidifying highly viscous oil well test discharge opeing and recovery process at present, commonly used screw rod
Pump, simultaneously for increasing its pump efficiency, needs to heat, the viscous crude flowed in pit shaft, high solidifying oily and marine low-temperature oil to reduce
Its viscosity, prevent wax deposition and be easy to flowing.Screw pump above section can only be heated by generally electric heater unit, and under pump
Partially due to the factors such as rotation can not cross electrical heating, particularly at deep-well, screw pump can not due to the reason such as lift, Power Limitation
Under spend more deeply in oil reservoir position or pit shaft, cause viscous crude height to coagulate oil and be not easily accessible in pump, make pump efficiency low.
At present, screw pump oil production discharge opeing heater has multiple published technology, such as: disclosed patent screw pump oil production
Electric heater unit (application number: 200820123813.X) discloses a kind of screw pump oil production heating means, and its mode of heating uses
Hollow rod is dosed and adds electric heating cable, be only the heating of pump upper part；The disclosed patent oil reservoir electrical heating of another part is recovered the oil
Device and using method (application number: 2,014 1009 8385.X) thereof disclose a kind of oil reservoir electrical heating oil extracting appts, include
Switch board, cored screw pump etc., its mode of heating is to be close to be fixed with many by multiple strain relief clamps in the outside wall surface of oil pipe
Steel armour adds electric heating cable etc., there are construction complexity, owing to cable laying is on oil-pipe external wall, and direct and casing-contact, easily occur
Collision is disconnected to be taken off
Summary of the invention
It is an object of the invention to provide a kind of be applicable to viscous crude, high solidifying oily and marine having under pump of low-temperature oil collection adds
The screw pump oil production device of heat engine structure.
It is a further object of the present invention to provide and a kind of use the above-mentioned screw pump oil production device with heating arrangements under pump real
Existing oil production method.
To this end, technical solution of the present invention is as follows:
A kind of have the screw pump oil production device of heating arrangements under pump, including being arranged on down-hole and being sequentially connected with from top to bottom
More piece first can conduct electricity transmission torque sucker rod, hollow screw pump rotor, second can conduct electricity transmission torque sucker rod, anti-sway correction dress
Put, conduct electricity quiet dynamic conversion attachment means and heater, connected by conductive cable between above-mentioned each parts and be arranged at each portion
The conductive plug of part end or the mutual plug-in mounting of electrically conductive socket form electrical connection, and connect by being arranged on the connection of two parts junctions
Bind round the most threaded fixing.
This has the screw pump oil production device of heating arrangements under pump and also includes arranging on the ground and connecting the most successively
Driving motor, screw pump drive head and the oil well four-way connect；Motor is driven to be connected with special switch board by cable.
Transmission torque sucker rod can be conducted electricity for produced for ground driving head torque power is transferred to bolt special pump, to drive
Dynamic discharge opeing produces, and torque power is transferred to device under pump；Simultaneously by arranging the cable with inner side, electric power is reached
Heater under pump.Specifically, the transmission torque sucker rod that can conduct electricity include being successively set on from top to bottom an inwall be covered with 2～
Conductive plug, energising cable and electrically conductive socket, conductive plug and electrically conductive socket in the hollow rod of 3mm thick dielectric layer are respectively
Arrange and be fixed on hollow rod top and bottom, and make to be formed between conductive plug and electrically conductive socket electricity by energising cable
Connect；Or include being successively set on from top to bottom an inwall and be covered with the conduction in the hollow rod of 2～3mm thick dielectric layer and insert
Head, energising cable and conductive plug, two conductive plugs are respectively provided with and are fixed on hollow rod top and bottom, and pass through
Energising cable makes to be formed between two conductive plugs electrical connection.
Hollow screw pump rotor is the hollow-core construction of particular design, interior edge energising cable, the anti-sway deviation correcting device of lower end connection,
Conduct electricity quiet dynamic adaptor substitute device and heater；In addition to for discharge opeing, its interior cable, electric power is reached adding under pump
Thermal；Specifically, hollow screw pump rotor includes that center offers the rotor body of axially extending bore and is arranged on rotor body
Being provided with an electrically conductive socket in top and the top connection of bottom and lower contact, top connection and lower contact, two electrically conductive sockets lead to
Cross the conductive cable being arranged in rotor body axially extending bore and form electrical connection.
Owing to screw pump rotor has eccentric angle in rotary course, therefore connect anti-sway correction dress in screw pump rotor lower end
Put, eliminate the swing brought due to eccentric angle in screw pump rotor rotary course, it is to avoid tool tubular column below to be put
Dynamic, affect pump efficiency and swing shock sleeve pipe, so that causing the accident；There is the function of electric power transmission simultaneously；Specifically, anti-sway
Deviation correcting device includes that deviation correction mechanism and power transfer mechanism, deviation correction mechanism center offer through hole, and power transfer mechanism is arranged also
It is fixed on inside deviation correction mechanism；Wherein, deviation correction mechanism includes upper swivel cougling, the cross hollow joint being sequentially connected with from top to bottom
With lower swing joint；Cross hollow joint includes that a center offers the cylindrical body of through hole and uniform along body circumferencial direction
And four the cylindrical hangers axially vertical with body；Upper swivel cougling and lower swing joint are upper with cross hollow joint respectively
One group of hangers in offside is flexibly connected, and makes swivel cougling and lower swing joint all can swing with the hangers connected for axle；
Power transfer mechanism includes conductive plug, conductive cable and the electrically conductive socket being sequentially connected with from top to bottom；By being coated on conduction
Plug, conductive cable and the insulating barrier of electrically conductive socket outer wall and be separately positioned on the first pressure cap and the setting of swivel cougling bottom
On the second pressure cap of lower swing nipple tip makes conductive plug arrange and is fixed in swivel cougling, electrically conductive socket arranges and consolidates
It is scheduled in lower swing joint.
Quiet dynamic conversion attachment means of conducting electricity uses running contact structure, built-in thrust bearing, makes the rotary system on top lead to
Cross it and transfer to static, even if its following device does not rotates with rotor, extremely swim simultaneously and electric power is reached the heater under pump
Function；Specifically, the conductive copper set gradually from top to bottom in quiet dynamic conversion attachment means is included in a rotation urceolus is conducted electricity
Rod, lever mechanism and quiet linkage；Conduction copper rod offers an axial notch cooperated with conductive plug from end face；Lever
Mechanism includes being arranged on the spring in a spring casing and copper conduction lever, and spring casing is arranged on rotation urceolus top and leads to
Crossing an insulation rubber cushion to separate, copper conduction lever is against on spring and will by the first pressure cap being installed in copper conduction lever
Spring retainer is in spring casing and keeps spring to be in compressive state all the time；Quiet linkage includes that silvery is conducted electricity quiet bar and offers
Having the T connector of axially extending bore, T connector is arranged on rotation urceolus by two rolling bearings being installed on outside T connector
Inner side；The silvery quiet bar of conduction includes tubular top and the cylindrical lower portion of top end opening, the cylindrical lower portion of the silvery quiet bar of conduction
Be inserted in the axially extending bore of T junction, the tubular top of top end opening forms grafting with copper conduction lever, and at lever machine
Under the effect of structure inner spring, the silvery quiet bar of conduction remains, with copper conduction lever, the state contacted；Second pressure cap is installed on
It is connected on the silvery quiet bar of conduction and with the ring-shaped step rotating urceolus and fixes.
Electric heater unit includes axially arranged electrically heated rod and is arranged on the conductive plug at electrically heated rod top；Specifically
Ground, electric heater unit is made up of electricity loop, is additionally provided with an end in the bottom of hollow sucker rod hollow sucker rod and single-core cable
End loop transducer, produces the multiple effect of collection by the inside of bar body again after making electric current pass through terminal converter, makes bar generate
Heat, reaches heats.
Above-mentioned first can conduct electricity transmission torque sucker rod, hollow screw pump rotor, second can conduct electricity transmission torque sucker rod, anti-sway
Deviation correcting device, the conductive plug and electrically conductive socket structure, size phase arranged in quiet dynamic conversion attachment means and heater that conduct electricity
With.Specifically, conductive plug includes the first copper rod and is arranged on thin copper bar on the first copper rod end face；Electrically conductive socket includes the second bronze medal
Rod, caves inward from the second copper rod bottom surface and offers one for the axial socket of plug-in mounting conductive plug；Offer from thin copper bar top
There is an axial deep trouth that thin copper bar upper part is segmented into two lobes, in axial deep trouth, be provided with a waveform reed, make thin copper bar
After inserting axial socket, thin copper bar top two flap-type structure expands outwardly under the elastic force effect of reed, with axial socket inwall
Remain contact condition；The outer wall of the first copper rod and the second copper rod is covered with a layer thickness employing between 2～3mm
The insulating barrier that polyethersulfone ketone is made.
A kind of employing is according to adopting that the screw pump oil production device with heating arrangements under pump described in claim 1 realizes
Oil method, comprises the following specific steps that:
S1, by the test string that configured by by destination's layer depth of oil pipe or drilling rod G.I.H, by test
After packer on tubing string sets, carry out formation testing, complete test, sampling and pressure work；
Wherein, test string, as it is shown on figure 3, include the most successively bottom testing tool, formation testing packer,
Formation test tool valve and screw pump stator, connected by oil pipe or drilling rod between above-mentioned each parts and prolonged by oil pipe or drilling rod
Extend at well head；Screw pump stator bottom inwall is provided with ring-shaped step and puts in place for limiting screw pump rotor later stage input；
S2, in test string under enter to have the screw pump oil production device tubing string of heating arrangements under pump, tubing string passes through more piece
The transmission torque sucker rod that can conduct electricity extends at well head；Wherein, when the screw pump stator on screw pump rotor bottom with test string
The limiting stand shoulder grafting of bottom after touch, shows that screw pump stator and screw pump rotor are installed and puts in place, by heated power cable to adding
Thermal is powered, and starts heater, makes the viscous crude under pump or high solidifying oil viscosity of being heated reduce, easily flows；Then motor is driven
Being energized and start screw pump rotation by screw pump drive head, mining goes out the viscous crude in well or high solidifying oil.
Compared with prior art, under this has pump the screw pump oil production device of heating arrangements and employing method thereof solve with
Toward being only the difficult problem of pump upper part heating when recovering the oil at viscous crude, high solidifying screwrod pump, particularly can meet deep-well deep-layer heavy crude,
Heating, viscosity reducing demand when high solidifying screwrod pump recovers the oil.
Accompanying drawing explanation
Fig. 1 (a) is the top half knot of the screw pump oil production device downhole hardware with heating arrangements under pump of the present invention
Structure schematic diagram；
Fig. 1 (b) is the latter half knot of the screw pump oil production device downhole hardware with heating arrangements under pump of the present invention
Structure schematic diagram；
Fig. 2 be the present invention there is the structural representation of the screw pump oil production device of heating arrangements under pump；
Fig. 3 is the front test string annexation schematic diagram with screw pump that recovers the oil of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described further, but following embodiment is absolutely not to this
Bright have any restriction.
It is made up of as in figure 2 it is shown, this has the screw pump oil production device of heating arrangements under pump above ground portion and underground part；
Wherein, above ground portion includes driving motor, screw pump drive head and the oil well four-way being sequentially connected with from top to bottom；Driving motor leads to
Cross cable to be connected with special switch board；
As shown in Fig. 1 (a) and Fig. 1 (b), underground part includes that the more piece first being sequentially connected with from top to bottom can conduct electricity torsion pass
Square sucker rod 7, hollow screw pump rotor 8, second can conduct electricity transmission torque sucker rod 9, anti-sway deviation correcting device 10, quiet dynamic conversion of conducting electricity
Attachment means 11 and heater 12.
First can conduct electricity transmission torque sucker rod 7 and second can conduct electricity transmission torque sucker rod 9 and have two kinds of structures: can conduct electricity biography
Moment of torsion sucker rod includes being successively set on the conduction that an inwall is covered with in the hollow rod of 2～3mm thick dielectric layer from top to bottom
Plug, energising cable and electrically conductive socket, conductive plug and electrically conductive socket are respectively provided with and are fixed on hollow rod top and the end
End, and make to be formed between conductive plug and electrically conductive socket electrical connection by energising cable；Or include being successively set on from top to bottom
One inwall is covered with the conductive plug in the hollow rod of 2～3mm thick dielectric layer, energising cable and conductive plug, two conductions
Plug is respectively provided with and is fixed on hollow rod top and bottom, and makes to be formed between two conductive plugs by energising cable
Electrical connection；.
The joint number of transmission torque sucker rod of can conducting electricity adapts to the distance of purpose producing horizon with ground, can by many
The conductive plug of conduction transmission torque sucker rod head and the tail and the mutual plug-in mounting of electrically conductive socket by being arranged on an energy of the two junction
Threaded the conducted electricity transmission torque with suitable connecting length that is fixed as of tubular rod collar of enough activity dismountings is taken out
Beam hanger 7 is gone here and there.
Hollow screw pump rotor 8 is to be improved on the architecture basics of common screw pump rotor；Specifically, hollow spiral shell
Bar pump rotor 8 top and bottom are respectively provided with integrated top connection and lower contact, and its center offers one for arranging
The axially extending bore of energising cable；Being each provided with an electrically conductive socket in top connection and lower contact, two electrically conductive sockets are by energising
Cable forms electrical connection；Make hollow screw pump rotor 8 upper end can conduct electricity biography by electrically conductive socket and superposed more piece first
Transmission torque can be conducted electricity be positioned at bottom second in the conductive plug grafting of sucker rod string bottom, lower end that moment of torsion sucker rod 7 is constituted
The conductive plug grafting on sucker rod 9 top, and make first can conduct electricity transmission torque to take out by being arranged on the connection coupling of link position
It is threaded fixing that sucker rod string, hollow screw pump rotor 8 and second that beam hanger 7 is constituted can conduct electricity transmission torque sucker rod 9 three
And form stable electrical connection, it is ensured that the stable conveying of electric power；
Anti-sway deviation correcting device 10 includes that deviation correction mechanism and power transfer mechanism, deviation correction mechanism center offer through hole, electric power
Transmission mechanism arranges and is fixed on inside deviation correction mechanism；Wherein, deviation correction mechanism includes that the upper swing being sequentially connected with from top to bottom connects
Head, cross hollow joint and lower swing joint；Cross hollow joint includes that a center offers cylindrical body and the edge of through hole
Four cylindrical hangers that body circumferencial direction is uniform and axially vertical with body；Upper swivel cougling and lower swing joint respectively with
The one group of hangers being positioned at offside on cross hollow joint is flexibly connected, and makes swivel cougling and the lower swing joint all can be to connect
Hangers be axle swing；Power transfer mechanism includes conductive plug, conductive cable and the electrically conductive socket being sequentially connected with from top to bottom；
By being coated on conductive plug, conductive cable and the insulating barrier of electrically conductive socket outer wall and being separately positioned on upper swivel cougling bottom
First pressure cap and the second pressure cap being arranged on lower swing nipple tip make conductive plug arrange and are fixed in swivel cougling, lead
Electrical socket arranges and is fixed in lower swing joint.
Conduct electricity set gradually from top to bottom in quiet dynamic conversion attachment means is included in a rotation urceolus conduction copper rod, lever
Mechanism and quiet linkage；Conduction copper rod offers an axial notch cooperated with conductive plug from end face；Lever mechanism wraps
Including the spring being arranged in a spring casing and copper conduction lever, spring casing is arranged on rotation urceolus top and passes through one exhausted
Edge rubber cushion separates, and copper conduction lever is against on spring and is limited by spring by the first pressure cap being installed in copper conduction lever
It is positioned at spring casing and keeps spring to be in compressive state all the time；Quiet linkage includes that silvery is conducted electricity quiet bar and offers axially
The T connector of through hole, T connector is arranged on inside rotation urceolus by two rolling bearings being installed on outside T connector；Silver
The system quiet bar of conduction includes that tubular top and the cylindrical lower portion of top end opening, the cylindrical lower portion of the silvery quiet bar of conduction are inserted into T
The axially extending bore of shape joint is interior, the tubular top of top end opening forms grafting, and bullet in lever mechanism with copper conduction lever
Under the effect of spring, the silvery quiet bar of conduction remains, with copper conduction lever, the state contacted；Second pressure cap is installed on silvery and leads
It is connected on the quiet bar of electricity and with the ring-shaped step rotating urceolus and fixes.
Wherein, in conduction copper rod outer layer, spring casing and the enclosed construction outer layer of the first pressure cap composition and silvery conduction
The cylindrical lower portion of quiet bar is all coated with insulating barrier；Rotate urceolus lumen loading and have insulated enclosure fat；Insulating barrier uses superelevation to divide
Sub-polyethylene or high density polyethylene (HDPE) are made；Insulated enclosure fat is mainly composed of silicone oil.Lead between second pressure cap and rotation urceolus
Cross Glais ring and form sealing.
Heater is made up of electricity loop hollow sucker rod and single-core cable, is additionally provided with one in the bottom of hollow sucker rod
End-loopback transducer, produces the multiple effect of collection by the inside of bar body again after making electric current pass through terminal converter, makes bar give birth to
Become heat, reach heats.
Above-mentioned first can conduct electricity transmission torque sucker rod 7, hollow screw pump rotor 8, second can conduct electricity transmission torque sucker rod 9,
Anti-sway deviation correcting device 10, conduct electricity the conductive plug arranged in quiet dynamic conversion attachment means 11 and heater 12 and electrically conductive socket knot
Structure, equivalently-sized；Specifically, conductive plug includes the first copper rod and is arranged on thin copper bar on the first copper rod end face；Electrically conductive socket
Including the second copper rod, cave inward from the second copper rod bottom surface and offer one for the axial socket of plug-in mounting conductive plug；From thin copper
Rod top offers an axial deep trouth that thin copper bar upper part is segmented into two lobes, is provided with a waveform spring in axial deep trouth
Sheet, after making thin copper bar insert axial socket, thin copper bar top two flap-type structure expands outwardly under the elastic force effect of reed, with axle
Contact condition is remained to slot inwall；The outer wall of the first copper rod and the second copper rod is covered with a layer thickness 2～3mm
Between use the insulating barrier made of polyethersulfone ketone.
Additionally, for being tightly connected between each parts in guarantee device, the faying face that each parts form contact is respectively provided with
There is at least one sealing ring.
A kind of oil production method using the above-mentioned screw pump oil production device with heating arrangements under pump to realize: first will connect
There is the test string G.I.H certain depth of different screw pump stator, complete to test, sample, the work such as pressure；When needs screw rod
During pump discharge opeing, in test string under enter to have the screw pump oil production device underground part of heating arrangements under pump, and connect and adopt
Oil device above ground portion, switch board 16 is connected by the transducer of anti-explosion terminal box with output cable and the driving head 14 on well head top
Connect, heat adding cable that thermocurrent delivers under pump by cable, the hollow stem inside cable terminal organ to bottommost；Logical
Cross heated power cable to pass sequentially through more piece first and can conduct electricity transmission torque sucker rod 7, hollow screw pump rotor 8, second and can conduct electricity
Transmission torque sucker rod 9, anti-sway deviation correcting device 10 and quiet dynamic conversion attachment means 11 of conducting electricity, and finally power to heater 12, with
Shi Qidong screw pump rotor 8, now the viscous crude under pump or high solidifying oil are heated, and its viscosity reduces easily flowing, can mining effectively
Go out the solidifying oil of the viscous crude height in well.
Specifically, above-mentioned oil production method specifically comprises the following steps that
S1, by the test string that configured by by oil pipe or destination's layer depth of drilling rod 1 G.I.H, by test
After packer 4 on tubing string sets, carry out formation testing, complete test, sampling and pressure work；
Wherein, test string, as it is shown on figure 3, include bottom testing tool 5, formation testing packer the most successively
4, formation test tool valve 3 and screw pump stator 2, between above-mentioned each parts by oil pipe or drilling rod 1 connect and pass through oil pipe or
Drilling rod 1 extends at well head；Screw pump stator 2 bottom inwall is provided with ring-shaped step and puts into for limiting the screw pump rotor later stage
Put in place；
S2, in test string under enter to have the screw pump oil production device tubing string of heating arrangements under pump, tubing string passes through more piece
The transmission torque sucker rod 7 that can conduct electricity extends at well head；Wherein, fixed when the screw pump on screw pump rotor 8 bottom with test string
The limiting stand shoulder grafting of son 2 bottoms after touch, shows that screw pump stator 2 and screw pump rotor 8 are installed and puts in place, by heated power cable
Power to heater 12, start heater 12, make the viscous crude under pump or high solidifying oil viscosity of being heated reduce, easily flow；Then
Driving electrical power to start screw pump 2 by screw pump drive head to rotate, mining goes out the viscous crude in well or high solidifying oil.
In sum, the present invention has the screw pump oil production device of heating arrangements under pump, can make cable penetration screw pump
Sleeve rotor, work in its lower end connect the quiet dynamic adaptor substitute device of conduction, anti-sway deviation correcting device and heater, by it
When passing to power current, the solidifying oil of the viscous crude height under pump is heated so that it is viscosity reduces easily flowing, improves pump efficiency, solves in the past
It is only a difficult problem for pump upper part heating at viscous crude, high solidifying screwrod pump when recovering the oil, particularly can meet deep-well deep-layer heavy crude, height
Heating, viscosity reducing demand during solidifying screwrod pump mining.Having compact conformation, easy to adjust, it is easy to control, it is oily and extra large to be that viscous crude height coagulates
The ideal equipment of upper low temperature oil layer exploitation.
Claims (9)
1. one kind has the screw pump oil production device of heating arrangements under pump, it is characterised in that include being arranged on down-hole and from upper and
Under the more piece first that is sequentially connected with can conduct electricity transmission torque sucker rod (7), hollow screw pump rotor (8), second can conduct electricity transmission torque
Sucker rod (9), anti-sway deviation correcting device (10), conduct electricity quiet dynamic conversion attachment means (11) and heater (12), above-mentioned each parts
Between connected and be arranged at the conductive plug of each ends by conductive cable or the mutual plug-in mounting of electrically conductive socket forms electrical connection,
And it is the most threaded fixing by being arranged on the connection coupling of two parts junctions.
The most according to claim 1 have the screw pump oil production device of heating arrangements under pump, it is characterised in that also includes setting
Put driving motor (13), screw pump drive head (14) and the oil well four-way (15) being sequentially connected with on the ground and from top to bottom；Drive
Galvanic electricity machine (13) is connected with special switch board by cable.
The most according to claim 1 have the screw pump oil production device of heating arrangements under pump, it is characterised in that can conduct electricity biography
Moment of torsion sucker rod includes being successively set on the conduction that an inwall is covered with in the hollow rod of 2～3mm thick dielectric layer from top to bottom
Plug, energising cable and electrically conductive socket, conductive plug and electrically conductive socket are respectively provided with and are fixed on hollow rod top and the end
End, and make to be formed between conductive plug and electrically conductive socket electrical connection by energising cable；Or include being successively set on from top to bottom
One inwall is covered with the conductive plug in the hollow rod of 2～3mm thick dielectric layer, energising cable and conductive plug, two conductions
Plug is respectively provided with and is fixed on hollow rod top and bottom, and makes to be formed between two conductive plugs by energising cable
Electrical connection.
The most according to claim 3 have the screw pump oil production device of heating arrangements under pump, it is characterised in that hollow screw rod
Pump rotor (8) include center offer axially extending bore rotor body and be arranged on rotor body top and bottom top connection and
Being provided with an electrically conductive socket in lower contact, top connection and lower contact, two electrically conductive sockets are axial by being arranged on rotor body
Conductive cable in through hole forms electrical connection.
The most according to claim 1 have the screw pump oil production device of heating arrangements under pump, it is characterised in that anti-sway correction
Device (10) includes that deviation correction mechanism and power transfer mechanism, deviation correction mechanism center offer through hole, and power transfer mechanism is arranged also
It is fixed on inside deviation correction mechanism；Wherein, deviation correction mechanism includes upper swivel cougling, the cross hollow joint being sequentially connected with from top to bottom
With lower swing joint；Cross hollow joint includes that a center offers the cylindrical body of through hole and uniform along body circumferencial direction
And four the cylindrical hangers axially vertical with body；Upper swivel cougling and lower swing joint are upper with cross hollow joint respectively
One group of hangers in offside is flexibly connected, and makes swivel cougling and lower swing joint all can swing with the hangers connected for axle；
Power transfer mechanism includes conductive plug, conductive cable and the electrically conductive socket being sequentially connected with from top to bottom；By being coated on conduction
Plug, conductive cable and the insulating barrier of electrically conductive socket outer wall and be separately positioned on the first pressure cap and the setting of swivel cougling bottom
On the second pressure cap of lower swing nipple tip makes conductive plug arrange and is fixed in swivel cougling, electrically conductive socket arranges and consolidates
It is scheduled in lower swing joint.
The most according to claim 1 have the screw pump oil production device of heating arrangements under pump, it is characterised in that conducts electricity quiet dynamic
Conduction copper rod, lever mechanism and the quiet bar machine that conversion attachment means (11) sets gradually in being included in a rotation urceolus from top to bottom
Structure；Conduction copper rod offers an axial notch cooperated with conductive plug from end face；Lever mechanism includes being arranged on a bullet
Spring in spring casing and copper conduction lever, spring casing is arranged on rotation urceolus top and is separated by an insulation rubber cushion,
Copper conduction lever is against on spring and is protected in spring by spring retainer by the first pressure cap being installed in copper conduction lever
Cylinder is interior and keeps spring to be in compressive state all the time；Quiet linkage includes that silvery is conducted electricity quiet bar and offered the T-shaped of axially extending bore
Joint, T connector is arranged on inside rotation urceolus by two rolling bearings being installed on outside T connector；Silvery conduction is quiet
Bar includes that tubular top and the cylindrical lower portion of top end opening, the cylindrical lower portion of the silvery quiet bar of conduction are inserted into T junction
Axially extending bore is interior, the tubular top of top end opening forms grafting with copper conduction lever, and in the effect of lever mechanism inner spring
Under, the silvery quiet bar of conduction remains, with copper conduction lever, the state contacted；Second pressure cap is installed on silvery and conducts electricity on quiet bar
And it is connected fixing with the ring-shaped step rotating urceolus.
The most according to claim 1 have the screw pump oil production device of heating arrangements under pump, it is characterised in that heater
(12) include axially arranged electrically heated rod and be arranged on the conductive plug at electrically heated rod top.
8. according to described in claim 3～7, there is the screw pump oil production device of heating arrangements under pump, it is characterised in that conduction
Plug includes the first copper rod and is arranged on thin copper bar on the first copper rod end face；Electrically conductive socket includes the second copper rod, from the second copper rod
Bottom surface caves inward and offers one for the axial socket of plug-in mounting conductive plug；One is offered by thin copper bar from thin copper bar top
Part is segmented into the axial deep trouth of two lobes, is provided with a waveform reed in axial deep trouth, after making thin copper bar insert axial socket,
Thin copper bar top two flap-type structure expands outwardly under the elastic force effect of reed, remains with axial socket inwall and contacts shape
State；The outer wall of the first copper rod and the second copper rod is covered with a layer thickness polyethersulfone ketone that uses between 2～3mm make
Insulating barrier.
9. one kind uses the oil recovery realized according to the screw pump oil production device with heating arrangements under pump described in claim 1
Method, it is characterised in that comprise the following specific steps that:
S1, by the test string that configured by by oil pipe or destination's layer depth of drilling rod (1) G.I.H, pass through testing tube
After packer (4) on post sets, carry out formation testing, complete test, sampling and pressure work；
Wherein, test string, as it is shown on figure 3, include bottom testing tool (5), formation testing packer the most successively
(4), formation test tool valve (3) and screw pump stator (2), connect by oil pipe or drilling rod (1) and lead between above-mentioned each parts
Cross oil pipe or drilling rod (1) extends at well head；Screw pump stator (2) bottom inwall is provided with ring-shaped step for limiting screw pump
Rotor later stage input puts in place；
S2, in test string under enter to have the screw pump oil production device tubing string of heating arrangements under pump, tubing string can be led by more piece
Fax moment of torsion sucker rod (7) extends at well head；Wherein, fixed when the screw pump on screw pump rotor (8) bottom with test string
The limiting stand shoulder grafting of son (2) bottom after touch, shows that screw pump stator (2) and screw pump rotor (8) are installed and puts in place, dynamic by heating
Power cable is powered to heater (12), starts heater (12), makes the viscous crude under pump or high solidifying oil viscosity of being heated reduce, easily
Flowing；Then driving electrical power to start screw pump (2) by screw pump drive head to rotate, mining goes out the viscous crude in well or Gao Ning
Oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610754890.4A CN106194136B (en) | 2016-08-29 | 2016-08-29 | A kind of screw pump oil production device and its oil production method with pump lower heating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610754890.4A CN106194136B (en) | 2016-08-29 | 2016-08-29 | A kind of screw pump oil production device and its oil production method with pump lower heating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106194136A true CN106194136A (en) | 2016-12-07 |
| CN106194136B CN106194136B (en) | 2019-01-22 |
Family
ID=57527563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610754890.4A Active CN106194136B (en) | 2016-08-29 | 2016-08-29 | A kind of screw pump oil production device and its oil production method with pump lower heating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106194136B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106639898A (en) * | 2017-01-04 | 2017-05-10 | 北京赛诺凤凰能源科技有限公司 | Line-passing screw drilling tool |
| CN107187755A (en) * | 2017-07-04 | 2017-09-22 | 山东普利龙压力容器有限公司 | Discrete device and oil tank of train discharge integrating device |
| CN109611343A (en) * | 2018-09-25 | 2019-04-12 | 合肥凯石投资咨询有限公司 | A kind of multiple permanent magnet brushless motor water pump |
| CN111379556A (en) * | 2018-12-27 | 2020-07-07 | 中国石油天然气股份有限公司 | Method and device for judging fault type of screw pump well |
| CN112652930A (en) * | 2020-11-30 | 2021-04-13 | 中国石油天然气集团有限公司 | Contact type wire passing motor conversion offset assembly and electric signal transmission method |
| CN113853036A (en) * | 2021-09-24 | 2021-12-28 | 二重（德阳）重型装备有限公司 | Pyrolysis equipment rotor electrical heating structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2165264Y (en) * | 1993-08-03 | 1994-05-18 | 张秉强 | Hollow screw oil pump |
| CN2487865Y (en) * | 2001-06-15 | 2002-04-24 | 辽河石油勘探局曙光工程技术处 | Screw pump electric heating mated device for producing thickened oil |
| CN201292831Y (en) * | 2008-11-18 | 2009-08-19 | 大港油田集团新世纪机械制造有限公司 | Screw pump oil production electric heater unit |
| CN202560172U (en) * | 2012-04-09 | 2012-11-28 | 赵华 | Novel screw pump oil production string apparatus |
| CN103835689A (en) * | 2014-03-17 | 2014-06-04 | 大连爱德摩设备制造有限公司 | Oil layer electrical heating oil extracting device and using method thereof |
| CN106168120A (en) * | 2016-08-29 | 2016-11-30 | 王国良 | Anti-sway deviation correcting device |
| CN205955714U (en) * | 2016-08-29 | 2017-02-15 | 王国良 | Screw pump oil production device with heat mechanism under pump |
-
2016
- 2016-08-29 CN CN201610754890.4A patent/CN106194136B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2165264Y (en) * | 1993-08-03 | 1994-05-18 | 张秉强 | Hollow screw oil pump |
| CN2487865Y (en) * | 2001-06-15 | 2002-04-24 | 辽河石油勘探局曙光工程技术处 | Screw pump electric heating mated device for producing thickened oil |
| CN201292831Y (en) * | 2008-11-18 | 2009-08-19 | 大港油田集团新世纪机械制造有限公司 | Screw pump oil production electric heater unit |
| CN202560172U (en) * | 2012-04-09 | 2012-11-28 | 赵华 | Novel screw pump oil production string apparatus |
| CN103835689A (en) * | 2014-03-17 | 2014-06-04 | 大连爱德摩设备制造有限公司 | Oil layer electrical heating oil extracting device and using method thereof |
| CN106168120A (en) * | 2016-08-29 | 2016-11-30 | 王国良 | Anti-sway deviation correcting device |
| CN205955714U (en) * | 2016-08-29 | 2017-02-15 | 王国良 | Screw pump oil production device with heat mechanism under pump |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106639898A (en) * | 2017-01-04 | 2017-05-10 | 北京赛诺凤凰能源科技有限公司 | Line-passing screw drilling tool |
| CN106639898B (en) * | 2017-01-04 | 2019-05-24 | 北京赛诺凤凰能源科技有限公司 | It is a kind of to cross line helicoid hydraulic motor |
| CN107187755A (en) * | 2017-07-04 | 2017-09-22 | 山东普利龙压力容器有限公司 | Discrete device and oil tank of train discharge integrating device |
| CN109611343A (en) * | 2018-09-25 | 2019-04-12 | 合肥凯石投资咨询有限公司 | A kind of multiple permanent magnet brushless motor water pump |
| CN111379556A (en) * | 2018-12-27 | 2020-07-07 | 中国石油天然气股份有限公司 | Method and device for judging fault type of screw pump well |
| CN112652930A (en) * | 2020-11-30 | 2021-04-13 | 中国石油天然气集团有限公司 | Contact type wire passing motor conversion offset assembly and electric signal transmission method |
| CN113853036A (en) * | 2021-09-24 | 2021-12-28 | 二重（德阳）重型装备有限公司 | Pyrolysis equipment rotor electrical heating structure |
| CN113853036B (en) * | 2021-09-24 | 2022-05-24 | 二重（德阳）重型装备有限公司 | Pyrolysis equipment rotor electrical heating structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106194136B (en) | 2019-01-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106194136A (en) | A kind of screw pump oil production device with heating arrangements under pump and oil production method thereof | |
| CN109577864B (en) | Electrode drill bit for coiled tubing high-voltage electric pulse-mechanical composite drilling | |
| CN1283892C (en) | Multilateral well and electrical transmission system | |
| AU2014287413B2 (en) | Downhole electrical connector | |
| US20190376347A1 (en) | A downhole automatic connection device and method for oil pipe internal communication cable used for intelligent layered water injection | |
| WO2009012150A1 (en) | A system and method for logging with wired drillpipe | |
| US20180363431A1 (en) | System and method related to pumping fluid in a borehole | |
| US20150354290A1 (en) | Vibration damper | |
| US20170145777A1 (en) | Annular barrier completion with inductive system | |
| CN105804667A (en) | Oil drill rod with built-in oil pipes | |
| US20100270032A1 (en) | System, method and apparatus for thermal wellhead having high power cable for in-situ upgrading processing | |
| CN205955714U (en) | Screw pump oil production device with heat mechanism under pump | |
| CN105422053B (en) | A kind of latent oil directly-driven screw pump oil extraction equipment using taking in and sending out | |
| CN106194048B (en) | Conductive quiet turn changes attachment device | |
| CN101319605B (en) | Multi-zone production rate regulating column tool for oil-submersible electric pump well and its multi-zone production rate regulating method | |
| CN206129594U (en) | Full latus rectum air -core armature spiral shell sucker -rod pumping | |
| CN205955663U (en) | Electrically conductive quiet conversion connection device that moves | |
| CN205955658U (en) | Can electrically conduct and pass moment of torsion sucker rod device | |
| CN105525880A (en) | Inserting-connecting torque transmission and electricity transmission split-connecting power drill rod | |
| CN112523679B (en) | Wire passing transmission shaft assembly and wire passing method | |
| CN106337805A (en) | Full-bore hollow-core rotor screw pump | |
| CN210396717U (en) | Horizontal well logging male assembly | |
| CN104481505B (en) | Super-long horizontal section pumping-free multiple-butt-joint drilling tool transmission well logging process and butt joint device | |
| CN106150392A (en) | Can conduct electricity transmission torque sucker rod | |
| CN208900027U (en) | A kind of flexible pressuring device suitable for radial bore operation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |