CN105570101A

CN105570101A - Petroleum extraction equipment in oil well

Info

Publication number: CN105570101A
Application number: CN201510950364.0A
Authority: CN
Inventors: 邓莉
Original assignee: Chongqing Xizhi Machinery Equipment Co Ltd
Current assignee: Chongqing Xizhi Machinery Equipment Co Ltd
Priority date: 2015-12-18
Filing date: 2015-12-18
Publication date: 2016-05-11

Abstract

The invention provides petroleum extraction equipment in an oil well and belongs to the technology of petroleum extraction. An inner pump shell, an upper magnetic body and a lower magnetic body are mounted in an outer pump shell. Foot stands are fixed to one face of the lower portion of the outer side of the outer pump shell. The upper magnetic body and the lower magnetic body are fixed to the lower portion of the outer side of the inner pump shell. The lower end of the inner pump shell is fixed to the lower end in the outer pump shell. A shaft tube oil discharge valve, an oil inflow valve and an iron core piston are mounted in the inner pump shell. The lower end of the shaft tube oil discharge valve penetrates a center hole in one end of the upper surface of the inner pump shell and then penetrates the iron core piston, andthe oil inflow valve is mounted on an annular inner step of the inner end of an oil inflow hole and is matched with the cross section of the annular inner step to seal or open a petroleum inflow channel. The petroleum extraction equipment used in the oil well is compact in structure, strong in power and capable of floating on the petroleum surface and ascending or descending automatically along with ascending or descending of the petroleum surface, and silt and water at the bottom of the oil well cannot not enter a petroleum pump when petroleum is extracted.

Description

Oil well PetroChina Company Limited. extracting device

Technical field

The present invention relates to technical field of petroleum extraction, particularly relate to and a kind ofly can swim in oil well PetroChina Company Limited. extracting device oil face being extracted oil.

Background technique

Traditional extracts oil in oil well, is all to adopt the oil in rocking arm piston lifting type extraction oil well.Large owing to shaking in the process extracted, add the bottom that the oil inlet pipe extracting oil inserts oil well, cause the oil of extraction all heavier at the content of silt and moisture.For this reason, we have devised the pump of the extraction oil on the oil face that can swim in oil well, and do not have moisture and silt in the oil extracted.

Summary of the invention

The object that the present invention relates to is manufacture and method thereof in order to provide the oil well PetroChina Company Limited. extracting device a kind of oil face that can swim in oil well being taken out oil.

For achieving the above object, oil well PetroChina Company Limited. of the present invention extracting device mainly comprises pump casing, outer oilhole, upper magnet, lower magnet, interior pump case, oil inlet hole, oil inlet valve, ferrite core piston, central siphon outlet valve, connector of oil pipes of oil, field controller, electronic remote controller.

Lower part in pump casing is provided with interior pump case, upper magnet, lower magnet, and below the outside of pump casing, one side is fixed with foot rest, and the lower end of foot rest is lower than the position of the outer oilhole of pump casing lower end; Lower magnet is fixed on the lower part outside interior pump case, and upper magnet is fixed on the upper part outside interior pump case, and the lower end of interior pump case is fixed on the lower end in pump casing.

Connect upper magnet to be connected with field controller with the circuit of lower magnet, the circuit of field controller is connected with electronic remote controller, electronic remote controller is connected with insulated electric conductor, and the electronic signal receiver of field controller, electronic remote controller and electronic remote controller is arranged in pump casing.

Central siphon outlet valve is installed in interior pump case, oil inlet valve, ferrite core piston, central siphon outlet valve is fixed on the center hole of the overlying one end of interior pump case, after the lower end of central siphon outlet valve is passed from the center hole of the upper end of interior pump case, enter in interior pump case through the one side place entered into after ferrite core piston above close to oil inlet valve, the lower end of central siphon outlet valve and the one side above of oil inlet valve have gap, in the annular that oil inlet valve is arranged on oil inlet hole the inner on rank, below oil inlet valve, one side coordinates with the plane of structure on rank in the annular of the inner of the oil inlet hole of the lower end of interior pump case and can seal or open the oil inlet passage entered in interior pump case, ferrite core piston is arranged in the inner chamber of interior pump case, and is enclosed within the cylndrical surface of hollow valve body, the lower end of part and connector of oil pipes of oil that the upper-end surface of interior pump case is exposed in the upper end of central siphon outlet valve is connected, and connector of oil pipes of oil is fixed on the upper end of pump casing by stretching out hole, and the upper end of connector of oil pipes of oil is connected with the pipeline of transfer oil by flexible pipe or telescopic pipe.

The material of described pump casing is the material of a type in metal, plastics, nylon, glass fibre reinforced plastics, rubber or several types, when pump casing during employing rubber material or after being shaped is soft-shell, can pasta be floated on will first in use the inflation of the inner chamber of pump casing; A type in material employing metal, plastics, nylon and the glass fibre reinforced plastics of hollow valve body and interior pump case or the material of several types; A type in material employing metal, plastics, nylon and the glass fibre reinforced plastics of oil inlet valve or the material of several types; The material of ferrite core piston is the material of the hard to bear magnetic field suction of energy; The material of connector of oil pipes of oil is the material of a type in metal, plastics, nylon, glass fibre reinforced plastics, rubber or several types.

Described pump casing is the hollow cavity producing buoyancy, the upper end of hollow cavity has stretches out hole and there is outer oilhole string holes, lower end, lower part in hollow cavity is provided with pump case and the interior parts installed of interior pump case in lower magnet, upper magnet, and the upper part in hollow cavity is provided with connector of oil pipes of oil; Lower end in hollow shell coordinates with the lower end of interior pump case and seals the inner chamber of the lower part of hollow shell, and the outer oilhole of hollow shell lower end communicates with the oil inlet hole of interior pump case lower end; Stretching out hole is the hole allowing connector of oil pipes of oil pass, and fixes connector of oil pipes of oil by nut, and stretches out hole by connector of oil pipes of oil and sealing gasket and nut seal; String holes is the hole allowing insulated electric conductor pass, and by insulated electric conductor and sealed rubber ring sealing string holes; When pump casing is put into oil, the buoyancy that pump casing produces can support the parts of pump casing and inside thereof all wt and above floating on; When pump casing swims in oil general work, can raise with the rising in oil face, reduce with the reduction in oil face.

The inner chamber of described interior pump case is cylindrical body, and the upper end on the center line of inner chamber has that center hole passes interior pump case, lower end has oil inlet hole to pass interior pump case, has independently vent on the side of center hole; Rank in the annular that there is plane ring type the inner of oil inlet hole, in annular, the plane of structure on rank is sealing surfaces, and sealing surface coordinates with one side below oil inlet valve.

The conveniently processing of interior pump case and assembling, interior pump case from recombinant behind upper end or lower end segmentation processing together, or after interior pump case is punished into three sections of processing from top and bottom, recombinants together.

Described oil inlet valve is dull and stereotyped, and below dull and stereotyped, one side is sealing surface, and sealing surface coordinates the passage that can seal oil inlet passage and open into oil with the plane of structure on rank in the annular of the inner of oil inlet hole.

Described central siphon outlet valve comprises hollow valve body and ball sealer, and hollow valve body is the hollow shaft of hollow pipe-type, and the surface of the part that hollow valve body stretches in interior pump case is smooth cylndrical surface, and cylndrical surface coordinates with the center hole of ferrite core piston; There is fuel-displaced sealed end the lower end of hollow valve body, the lower end surface of fuel-displaced sealed end in the lower end of hollow valve body, upper-end surface is inner conical surface, the large end of inner conical surface communicates with the upper end of central siphon outlet valve, small end communicates with the lower end of central siphon outlet valve, and inner conical surface is provided with ball sealer; The mating spherical surfaces of inner conical surface and ball sealer, can seal inner conical surface under the effect of the gravity of ball sealer, can open the sealing of inner conical surface and ball sealer and form passage when being with the oil of pressure from the endoporus of hollow valve body lower end.

Described ferrite core piston is columniform iron core, and there is smooth center hole at the position of the center line of columniform iron core, and the periphery of columniform iron core is smooth periphery; In smooth center hole, have the annular groove of depression, annular groove is embedded with seal ring; Smooth periphery has the annular groove of depression, and annular groove is embedded with seal ring; Center hole coordinates with the cylndrical surface of hollow valve body and can O-ring cylinder, and can slide on the cylndrical surface of hollow valve body; Periphery coordinates the inner chamber that can seal interior pump case with the inner chamber of interior pump case, and can slide in the inner chamber of interior pump case.

Described upper magnet and lower magnet are the electromagnetic coils that can generate an electromagnetic field, and are the power pulling ferrite core piston to move up and down.

Described magnetic field control controller controls the controller that upper magnet and lower magnet generate an electromagnetic field, and controls upper magnet and lower magnet and circulate the length of time of generating an electromagnetic field and the time that generates an electromagnetic field.

Described electronic remote controller connects and cuts off the circuit switch generated an electromagnetic field, and comprise the switch sections and electronic telecontrol part that switch on or off circuit, electronic telecontrol part comprises remote controller switch and electronic signal receiver; Remote controller switch is used for staff and carries with, and is convenient to staff and handles the normal work of oil well PetroChina Company Limited. extracting device and cut off the control circuit of oil well PetroChina Company Limited. extracting device.

Described petroleum pipeline connecting head is the petroleum pipeline of the integral type with connecting head and connecting tube.

Described oil inlet hole be oil enter the inner chamber of interior pump case through via hole, the upper end of oil inlet hole is inner, lower end is outer end.

Described oil well PetroChina Company Limited. extracting device, in the process extracting oil, controls do not have return spring in valve in the valve of oil-feed and fuel-displaced; Time fuel-displaced, adopt the gravity of oil inlet valve decline return and close oil inlet passage and seal automatically, adopt pressure open oil export in oil discharge passage outside pump case; During oil-feed, adopt the gravity of ball sealer decline return and close oil discharge passage and seal automatically, adopt suction to open oil and enter passage in interior pump case.

In order to ensure that oil well PetroChina Company Limited. extracting device can normally work, electronic remote controller is adopted to control connection and the cut-out of the connecting circuit of upper magnet and lower magnet.

In order to ensure that pump casing can keep shape and be not easy distortion, in the inner chamber of pump casing, manufacture the skeleton having support.

In order to ensure that oil can normally enter in outer oilhole, the center of gravity of pump casing is manufactured on the position near outer oilhole.

In order to enable oil enter in interior pump case, the outer oilhole swimming in the pump casing on oil face must slip into the following oil pump in oil face and can normally work.

There is no silt and moisture to ensure to enter in the oil in oil pump, outside during the bottom of oilhole close to oil well, adopting foot rest to support pump casing and the bottom of outer oilhole and oil well is maintained a certain distance.

In order to reduce resistance when ferrite core piston is up, be provided with vent in the upper end of interior pump case, vent can make the inner chamber of interior pump case communicate with the inner chamber of pump casing.

The top in interior pump case can be got back to after entering central siphon outlet valve to make the oil below the ferrite core piston of ferrite core piston in promoting in pump case smoothly, adopting upper magnet as the power pulling ferrite core piston up.

During use, be put in the oil in oil well by oil well PetroChina Company Limited. extracting device, outer oilhole and oil inlet hole go deep in oil, the upper part emersion oil face of pump casing.Press the starting button of remote controller switch, the circuit that controller is controlled in electronic remote controller and magnetic field connected by electronic signal receiver after receiving activating signal, the power-on circuit that magnetic field control controller connects upper magnet generates an electromagnetic field, the attraction force that electromagnetic field produces pulls ferrite core piston to move up, now, cavity below ferrite core piston in interior pump case creates pull of vacuum, pull of vacuum is inhaled dynamic oil inlet valve and is opened and oil inlet valve and the laterally interior rank of oil inlet hole are separated, oil from outer oilhole through oil inlet hole, in the annular of oil inlet hole the inner, rank enter the inner chamber of interior pump case again.When the attraction force that upper magnet generates an electromagnetic field pulls ferrite core piston to be moved upwards up to top, the power-on circuit of lower magnet is connected after magnetic field control controller disconnects the power-on circuit of upper magnet, the electromagnetic field of upper magnet disappears, now, oil inlet valve closes oil inlet passage under the effect of self gravitation, the attraction force of the electromagnetic field produced after lower magnet energising pulls ferrite core piston descending, promote the oil in interior pump case and make oil produce internal pressure, the inner conical surface having the oil of pressure to enter fuel-displaced sealed end from the lower end of hollow valve body upwards wash open the ball sealer sealed with the inner conical surface of fuel-displaced sealed end be shifted after continue up, enter in connector of oil pipes of oil from the upper end of hollow valve body, again from connector of oil pipes of oil through Cemented filling to the container of oil transport pipeline or transporting petroleum.Ferrite core piston is descending when putting in place under the pulling of the attraction force of the electromagnetic field that lower magnet produces, ball sealer descending inner conical surface is shut and make oil not return the inner chamber of interior pump case under the effect of the gravity of self, now, the power-on circuit that magnetic field control controller connects again upper magnet generates an electromagnetic field again, the connection of circulation like this and the power-on circuit of cut-out lower magnet and upper magnet, constantly go out oil pump and be transported in the container of oil transport pipeline or transporting petroleum.In the process of taking out oil, pump casing can automatically raise with the rising in oil face or reduction or reduce.In the process of operation of oil pump, ferrite core piston is when the inner chamber of interior pump case moves up and down, and air, from the inner chamber of pump case in vent turnover, reduces the working resistance of ferrite core piston.

A manufacture method for oil well PetroChina Company Limited. extracting device, is characterized in that:

During fabrication, a type in pump casing employing metal, plastics, nylon, glass fibre reinforced plastics, rubber or the material manufacture of several types, when pump casing when adopting rubber material to manufacture or after manufacture shaping is soft-shell, it is made to float on pasta will first in use the inflation of the inner chamber of pump casing; Hollow valve body and interior pump case adopt the material manufacture of a type in metal, plastics, nylon and glass fibre reinforced plastics or several types; A type in oil inlet valve employing metal, plastics, nylon and glass fibre reinforced plastics or the material manufacture of several types; Ferrite core piston adopts the material manufacture of the hard to bear magnetic field suction of energy; A type in connector of oil pipes of oil employing metal, plastics, nylon, glass fibre reinforced plastics, rubber or the material manufacture of several types.

Pump casing creates the hollow cavity producing buoyancy, the upper end of hollow cavity manufacture have stretch out hole and string holes, lower end manufactures outer oilhole, stretch out hole and create the hole allowing connector of oil pipes of oil pass, fix connector of oil pipes of oil by nut, and stretch out hole by connector of oil pipes of oil and sealing gasket and nut seal; String holes creates the hole allowing insulated electric conductor pass, and by insulated electric conductor and sealed rubber ring sealing string holes; Lower part in hollow cavity is provided with pump case and the interior parts installed of interior pump case in lower magnet, upper magnet, and the upper part in hollow cavity is provided with connector of oil pipes of oil; Lower end in hollow shell coordinates with the lower end of interior pump case and seals the inner chamber of the lower part of hollow shell, and the outer oilhole of hollow shell lower end communicates with the oil inlet hole of interior pump case lower end.

Conveniently assemble, during fabrication, after pump casing is divided into two-part manufacture from the place that the shape of centre is maximum, recombinant together for pump casing.

The inner chamber of interior pump case creates cylindrical cavity, and the upper end on the center line of inner chamber manufactures has center hole to pass interior pump case, lower end manufacture has oil inlet hole to pass interior pump case, and manufacturing on the side of center hole has independently vent; Rank in the annular that the inner of oil inlet hole manufacture has plane ring type, in annular, the plane of structure on rank creates sealing surface, and sealing surface coordinates with one side below oil inlet valve.

The conveniently processing of interior pump case and assembling, interior pump case during fabrication, interior pump case from recombinant behind upper end or lower end segmentation manufacture together, or, interior pump case to punish into from top and bottom three sections manufacture after recombinants together.

Oil inlet valve creates flat board, and below dull and stereotyped, one side creates sealing surface, and sealing surface coordinates the passage that can seal oil inlet passage and open into oil with the plane of structure on rank in the annular of the inner of oil inlet hole.

Central siphon outlet valve creates hollow valve body and ball sealer two-part, and hollow valve body creates the hollow shaft of hollow pipe-type, and the surface of the part that hollow valve body stretches in interior pump case creates smooth cylndrical surface, and cylndrical surface coordinates with the center hole of ferrite core piston; The lower end of hollow valve body manufactures fuel-displaced sealed end, the lower end surface of fuel-displaced sealed end is manufactured on the lower end of hollow valve body, upper-end surface creates inner conical surface, the large end of inner conical surface communicates with the upper end of central siphon outlet valve, small end communicates with the lower end of central siphon outlet valve, and inner conical surface is provided with ball sealer; The mating spherical surfaces of inner conical surface and ball sealer, can seal inner conical surface under the effect of the gravity of ball sealer, can open the sealing of inner conical surface and ball sealer and form passage when being with the oil of pressure from the endoporus of hollow valve body lower end.

Ferrite core piston creates columniform iron core, and the position of the center line of columniform iron core manufactures smooth center hole, and the periphery of columniform iron core creates smooth periphery; In smooth center hole, manufacture the annular groove having depression, annular groove is embedded with seal ring; Smooth periphery manufactures the annular groove having depression, and annular groove is embedded with seal ring; Center hole coordinates with the cylndrical surface of hollow valve body and can O-ring cylinder, and can slide on the cylndrical surface of hollow valve body; Periphery coordinates the inner chamber that can seal interior pump case with the inner chamber of interior pump case, and can slide in the inner chamber of interior pump case.

Upper magnet and lower magnet create the electromagnetic coil that can generate an electromagnetic field.

Magnetic field control controller creates the controller controlling upper magnet and lower magnet and generate an electromagnetic field, and controls upper magnet and lower magnet and circulate the length of time of generating an electromagnetic field and the time that generates an electromagnetic field.

Electronic remote controller creates to be connected and cuts off the circuit switch generated an electromagnetic field, and comprise the switch sections and electronic telecontrol part that switch on or off circuit, electronic telecontrol part comprises remote controller switch and electronic signal receiver.

Connector of oil pipes of oil creates the petroleum pipeline of the integral type with connecting head and connecting tube.

Oil inlet hole create oil enter the inner chamber of interior pump case through via hole, the upper end of oil inlet hole creates the inner, lower end and creates outer end.

In order to reduce resistance when ferrite core piston is up, manufacture in the upper end of interior pump case and have vent, vent can make the inner chamber of interior pump case communicate with the inner chamber of pump casing.

Lower part in pump casing is provided with interior pump case, upper magnet, lower magnet, and below the outside of pump casing, one side is fixed with foot rest, and the lower end of foot rest is lower than the position of the outer oilhole of pump casing lower end; Lower magnet is fixed on the lower part outside interior pump case, and upper magnet is fixed on the upper part outside interior pump case, and the lower end of interior pump case is fixed on the lower end in pump casing.Connect upper magnet to be connected with field controller with the circuit of lower magnet, the circuit of field controller is connected with electronic remote controller, electronic remote controller is connected with insulated electric conductor, and the electronic signal receiver of field controller, electronic remote controller and electronic remote controller is arranged in pump casing.Central siphon outlet valve is installed in interior pump case, oil inlet valve, ferrite core piston, central siphon outlet valve is fixed on the center hole of the overlying one end of interior pump case, after the lower end of central siphon outlet valve is passed from the center hole of the upper end of interior pump case, enter in interior pump case through the one side place entered into after ferrite core piston above close to oil inlet valve, the lower end of central siphon outlet valve and the one side above of oil inlet valve have gap, in the annular that oil inlet valve is arranged on oil inlet hole the inner on rank, below oil inlet valve, one side coordinates with the plane of structure on rank in the annular of the inner of the oil inlet hole of the lower end of interior pump case and can seal or open the oil inlet passage entered in interior pump case, ferrite core piston is arranged in the inner chamber of interior pump case, and is enclosed within the cylndrical surface of hollow valve body, the lower end of part and connector of oil pipes of oil that the upper-end surface of interior pump case is exposed in the upper end of central siphon outlet valve is connected, and connector of oil pipes of oil is fixed on the upper end of pump casing by stretching out hole, and the upper end of connector of oil pipes of oil is connected with the pipeline of transfer oil by flexible pipe or telescopic pipe.

Compact structure, the powerful of oil well PetroChina Company Limited. of the present invention extracting device, swim on oil face, and can automatically raise with the rising in oil face or reduction or reduce, silt and the moisture of taking out the bottom of oil well during oil enter in oil pump; The market prospects of industrialization are good, commercial value is high, manufacture and use all very convenient.

Accompanying drawing explanation

The overall structure schematic diagram of Tu1Shi oil well PetroChina Company Limited. extracting device.

Shown in figure: pump casing 1, foot rest 2, outer oilhole 3, interior pump case 4, hollow valve body 5, ferrite core piston 6, vent 7, ball sealer 8, oil inlet valve 9, connector of oil pipes of oil 10, oil inlet hole 11, lower magnet 12, upper magnet 13.

Embodiment

Oil well PetroChina Company Limited. of the present invention extracting device mainly comprises pump casing 1, outer oilhole 3, upper magnet, lower magnet, interior pump case 4, oil inlet hole 11, oil inlet valve 9, ferrite core piston 6, central siphon outlet valve, connector of oil pipes of oil 10, field controller, electronic remote controller.

Lower part in pump casing 1 is provided with interior pump case 4, upper magnet and lower magnet, and below the outside of pump casing 1, one side is fixed with foot rest 2, and the lower end of foot rest 2 is lower than the position of the outer oilhole 3 of pump casing 1 lower end; Lower magnet 12 is fixed on the lower part outside interior pump case 4, and upper magnet 13 is fixed on the upper part outside interior pump case 4, and the lower end of interior pump case 4 is fixed on the lower end in pump casing 1.

Connect upper magnet to be connected with field controller with the circuit of lower magnet, the circuit of field controller is connected with electronic remote controller, electronic remote controller is connected with insulated electric conductor, and the electronic signal receiver of field controller, electronic remote controller and electronic remote controller is arranged in pump casing 1.

In interior pump case 4, central siphon outlet valve is installed, oil inlet valve 9, ferrite core piston 6, central siphon outlet valve is fixed on the center hole of the overlying one end of interior pump case 4, after the lower end of central siphon outlet valve is passed from the center hole of the upper end of interior pump case 4, enter in interior pump case 4 through the one side place entered into after ferrite core piston 6 above close to oil inlet valve 9, the lower end of central siphon outlet valve and the one side above of oil inlet valve 9 have gap, in the annular that oil inlet valve 9 is arranged on oil inlet hole 11 the inner on rank, below oil inlet valve 9, one side coordinates with the plane of structure on rank in the annular of the inner of the oil inlet hole 11 of the lower end of interior pump case 4 and can seal or open the oil inlet passage entered in interior pump case 4, ferrite core piston 6 is arranged in the inner chamber of interior pump case 4, and is enclosed within the cylndrical surface of hollow valve body 5, the part that the upper-end surface of interior pump case 4 is exposed in the upper end of central siphon outlet valve is connected with the lower end of connector of oil pipes of oil 10, connector of oil pipes of oil 10 is fixed on the upper end of pump casing 1 by stretching out hole, the upper end of connector of oil pipes of oil 10 is connected with the pipeline of transfer oil by flexible pipe or telescopic pipe.

The material of described pump casing 1 is the material of a type in metal, plastics, nylon, glass fibre reinforced plastics, rubber or several types, when pump casing 1 during employing rubber material or after being shaped is soft-shell, can pasta be floated on will first in use the inflation of the inner chamber of pump casing 1; A type in material employing metal, plastics, nylon and the glass fibre reinforced plastics of hollow valve body 5 and interior pump case 4 or the material of several types; A type in material employing metal, plastics, nylon and the glass fibre reinforced plastics of oil inlet valve 9 or the material of several types; The material of ferrite core piston 6 is materials of the hard to bear magnetic field suction of energy; The material of connector of oil pipes of oil 10 is materials of a type in metal, plastics, nylon, glass fibre reinforced plastics, rubber or several types.

Described pump casing 1 is the hollow cavity producing buoyancy, the upper end of hollow cavity has stretches out hole and there is outer oilhole 3 string holes, lower end, lower part in hollow cavity is provided with pump case 4 and the interior parts installed of interior pump case 4 in lower magnet 12, upper magnet 13, and the upper part in hollow cavity is provided with connector of oil pipes of oil 10; Lower end in hollow shell coordinates with the lower end of interior pump case 4 and seals the inner chamber of the lower part of hollow shell, and the outer oilhole 3 of hollow shell lower end communicates with the oil inlet hole 11 of interior pump case 4 lower end; Stretching out hole is the hole allowing connector of oil pipes of oil 10 pass, and fixes connector of oil pipes of oil 10 by nut, and stretches out hole by connector of oil pipes of oil 10 and sealing gasket and nut seal; String holes is the hole allowing insulated electric conductor pass, and by insulated electric conductor and sealed rubber ring sealing string holes; When pump casing 1 is put into oil, the buoyancy that pump casing 1 produces can support the parts of pump casing 1 and inside thereof all wt and above floating on; When pump casing 1 swims in oil general work, can raise with the rising in oil face, reduce with the reduction in oil face.

The inner chamber of described interior pump case 4 is cylindrical bodys, and the upper end on the center line of inner chamber has that center hole passes interior pump case 4, there is oil inlet hole 11 lower end through interior pump case 4, has independently vent 7 on the side of center hole; Rank in the annular that there is plane ring type the inner of oil inlet hole 11, in annular, the plane of structure on rank is sealing surfaces, and sealing surface coordinates with one side below oil inlet valve 9.

Described oil inlet valve 9 is dull and stereotyped, and below dull and stereotyped, one side is sealing surface, and sealing surface coordinates the passage that can seal oil inlet passage and open into oil with the plane of structure on rank in the annular of the inner of oil inlet hole 11.

Described central siphon outlet valve comprises hollow valve body 5 and ball sealer 8, and hollow valve body 5 is hollow shafts of hollow pipe-type, and the surface of the part that hollow valve body 5 stretches in interior pump case 4 is smooth cylndrical surface, and cylndrical surface coordinates with the center hole of ferrite core piston 6; There is fuel-displaced sealed end the lower end of hollow valve body 5, the lower end surface of fuel-displaced sealed end in the lower end of hollow valve body 5, upper-end surface is inner conical surface, the large end of inner conical surface communicates with the upper end of central siphon outlet valve, small end communicates with the lower end of central siphon outlet valve, and inner conical surface is provided with ball sealer 8; The mating spherical surfaces of inner conical surface and ball sealer, can seal inner conical surface under the effect of the gravity of ball sealer 8, can open the sealing of inner conical surface and ball sealer 8 and form passage when being with the oil of pressure from the endoporus of hollow valve body 5 lower end.

Described ferrite core piston 6 is columniform iron cores, and there is smooth center hole at the position of the center line of columniform iron core, and the periphery of columniform iron core is smooth periphery; In smooth center hole, have the annular groove of depression, annular groove is embedded with seal ring; Smooth periphery has the annular groove of depression, and annular groove is embedded with seal ring; Center hole coordinates with the cylndrical surface of hollow valve body 5 and can O-ring cylinder, and can slide on the cylndrical surface of hollow valve body 5; Periphery coordinates the inner chamber that can seal interior pump case 4 with the inner chamber of interior pump case 4, and can slide in the inner chamber of interior pump case 4.

Described petroleum pipeline connecting head 10 is petroleum pipelines of the integral type with connecting head and connecting tube.

Described oil inlet hole 11 be oil enter the inner chamber of interior pump case 4 through via hole, the upper end of oil inlet hole 11 is inner, lower ends is outer ends.

Described oil well PetroChina Company Limited. extracting device, in the process extracting oil, controls do not have return spring in valve in the valve of oil-feed and fuel-displaced.Time fuel-displaced, adopt the gravity of oil inlet valve 9 decline return and close oil inlet passage and seal automatically, adopt suction to open oil and enter passage in interior pump case; During oil-feed, adopt the gravity of ball sealer 8 decline return and close oil discharge passage and seal automatically, adopt pressure open oil export in oil discharge passage outside pump case.

In order to ensure that pump casing 1 can keep shape and be not easy distortion, in the inner chamber of pump casing 1, manufacture the skeleton having support;

In order to ensure that oil can normally enter in outer oilhole 3, the center of gravity of pump casing 1 is manufactured on the position near outer oilhole 3;

In order to enable oil enter in interior pump case 4, the outer oilhole 3 swimming in the pump casing 1 on oil face must slip into the following oil pump in oil face and can normally work;

There is no silt and moisture to ensure to enter in the oil in oil pump, outside during the bottom of oilhole 3 close to oil well, adopting foot rest 2 to support pump casing 1 and outer oilhole 3 is maintained a certain distance with the bottom of oil well.

In order to reduce resistance when ferrite core piston 6 is up, be provided with vent 7 in the upper end of interior pump case 4, vent 7 can make the inner chamber of interior pump case 4 communicate with the inner chamber of pump casing 1.

The top in interior pump case 4 can be got back to after entering central siphon outlet valve to make the oil below the ferrite core piston 6 of ferrite core piston 6 in promoting in pump case 4 smoothly, adopting upper magnet 13 as the power pulling ferrite core piston 6 up.

During use, be put in the oil in oil well by oil well PetroChina Company Limited. extracting device, outer oilhole 3 and oil inlet hole 11 go deep in oil, the upper part emersion oil face of pump casing 1.Press the starting button of remote controller switch, the circuit that controller is controlled in electronic remote controller and magnetic field connected by electronic signal receiver after receiving activating signal, the power-on circuit that magnetic field control controller connects upper magnet 13 generates an electromagnetic field, the attraction force that electromagnetic field produces pulls ferrite core piston 6 to move up, now, cavity below ferrite core piston 6 in interior pump case 4 creates pull of vacuum, pull of vacuum is inhaled dynamic oil inlet valve 9 and is opened and oil inlet valve 9 and the laterally interior rank of oil inlet hole 11 are separated, oil from outer oilhole 3 through oil inlet hole 11, in the annular of oil inlet hole 11 the inner, rank enter the inner chamber of interior pump case 4 again.When the attraction force that upper magnet 13 generates an electromagnetic field pulls ferrite core piston 6 to be moved upwards up to top, the power-on circuit of lower magnet 12 is connected after magnetic field control controller disconnects the power-on circuit of upper magnet 13, the electromagnetic field of upper magnet 13 disappears, now, oil inlet valve 9 closes oil inlet passage under the effect of self gravitation, the attraction force of the electromagnetic field produced after lower magnet 12 is energized pulls ferrite core piston 6 descending, promote the oil in interior pump case 4 and make oil produce internal pressure, the inner conical surface having the oil of pressure to enter fuel-displaced sealed end from the lower end of hollow valve body 5 upwards wash open continue after the ball sealer 8 sealed with the inner conical surface of fuel-displaced sealed end is shifted up, enter from the upper end of hollow valve body 5 in connector of oil pipes of oil 10, again from connector of oil pipes of oil 10 through Cemented filling to the container of oil transport pipeline or transporting petroleum.Ferrite core piston 6 is descending when putting in place under the pulling of the attraction force of the electromagnetic field that lower magnet 12 produces, ball sealer 8 descending inner conical surface is shut and make oil not return the inner chamber of interior pump case 4 under the effect of the gravity of self, now, the power-on circuit that magnetic field control controller connects again upper magnet 13 generates an electromagnetic field again, the connection of circulation like this and the power-on circuit of cut-out lower magnet 12 and upper magnet 13, constantly go out oil pump and be transported in the container of oil transport pipeline or transporting petroleum.In the process of taking out oil, pump casing 1 can automatically raise with the rising in oil face or reduction or reduce.In the process of operation of oil pump, ferrite core piston 6 is when the inner chamber of interior pump case 4 moves up and down, and air passes in and out the inner chamber of interior pump case 4 from vent 7, reduces the working resistance of ferrite core piston 6.

Claims

1. an oil well PetroChina Company Limited. extracting device, is characterized in that: described oil well PetroChina Company Limited. extracting device comprises pump casing (1), outer oilhole (3), upper magnet, lower magnet, interior pump case (4), oil inlet hole (11), oil inlet valve (9), ferrite core piston (6), central siphon outlet valve, connector of oil pipes of oil (10), field controller, electronic remote controller;

Lower part in pump casing (1) is provided with interior pump case (4), upper magnet and lower magnet, below the outside of pump casing (1), one side is fixed with foot rest (2), and the lower end of foot rest (2) is lower than the position of the outer oilhole (3) of pump casing (1) lower end; Lower magnet (12) is fixed on the lower part of interior pump case (4) outside, upper magnet (13) is fixed on the upper part of interior pump case (4) outside, and the lower end of interior pump case (4) is fixed on the lower end in pump casing (1);

Connect upper magnet to be connected with field controller with the circuit of lower magnet, the circuit of field controller is connected with electronic remote controller, electronic remote controller is connected with insulated electric conductor, and the electronic signal receiver of field controller, electronic remote controller and electronic remote controller is arranged in pump casing (1);

In interior pump case (4), central siphon outlet valve is installed, oil inlet valve (9), ferrite core piston (6), central siphon outlet valve is fixed on the center hole of the overlying one end of interior pump case (4), after the lower end of central siphon outlet valve is passed from the center hole of the upper end of interior pump case (4), enter in interior pump case (4) through the one side place entered into after ferrite core piston (6) above close to oil inlet valve (9), the one side above of the lower end of central siphon outlet valve and oil inlet valve (9) has gap, oil inlet valve (9) to be arranged in the inner annular of oil inlet hole (11) on rank, below oil inlet valve (9), one side coordinates with the plane of structure on rank in the annular of the inner of the oil inlet hole (11) of the lower end of interior pump case (4) and can seal or open the oil inlet passage entered in interior pump case (4), ferrite core piston (6) is arranged in the inner chamber of interior pump case (4), and is enclosed within the cylndrical surface of hollow valve body (5), the part that the upper-end surface of interior pump case (4) is exposed in the upper end of central siphon outlet valve is connected with the lower end of connector of oil pipes of oil (10), connector of oil pipes of oil (10) is fixed on the upper end of pump casing (1) by stretching out hole, the upper end of connector of oil pipes of oil (10) is connected with the pipeline of transfer oil by flexible pipe or telescopic pipe,

The material of described pump casing (1) is the material of a type in metal, plastics, nylon, glass fibre reinforced plastics, rubber or several types, when pump casing (1) during employing rubber material or after being shaped is soft-shell, inflate will first in use the inner chamber of pump casing (1) can float on pasta; A type in material employing metal, plastics, nylon and the glass fibre reinforced plastics of hollow valve body (5) and interior pump case (4) or the material of several types; A type in material employing metal, plastics, nylon and the glass fibre reinforced plastics of oil inlet valve (9) or the material of several types; The material of ferrite core piston (6) is the material of the hard to bear magnetic field suction of energy; The material of connector of oil pipes of oil (10) is the material of a type in metal, plastics, nylon, glass fibre reinforced plastics, rubber or several types;

Described pump casing (1) is the hollow cavity producing buoyancy, the upper end of hollow cavity has stretches out hole and there is outer oilhole (3) string holes, lower end, lower part in hollow cavity is provided with the parts installed in lower magnet (12), upper magnet (13) interior pump case (4) and interior pump case (4), and the upper part in hollow cavity is provided with connector of oil pipes of oil (10); Lower end in hollow shell coordinates with the lower end of interior pump case (4) and seals the inner chamber of the lower part of hollow shell, and the outer oilhole (3) of hollow shell lower end communicates with the oil inlet hole (11) of interior pump case (4) lower end; Stretching out hole is the hole allowing connector of oil pipes of oil (10) pass, and fixes connector of oil pipes of oil (10) by nut, and stretches out hole by connector of oil pipes of oil (10) and sealing gasket and nut seal; String holes is the hole allowing insulated electric conductor pass, and by insulated electric conductor and sealed rubber ring sealing string holes; When pump casing (1) is put into oil, the buoyancy that pump casing (1) produces can support the parts of pump casing (1) and inside thereof all wt and above floating on; When pump casing (1) swims in oil general work, can raise with the rising in oil face, reduce with the reduction in oil face;

The inner chamber of described interior pump case (4) is cylindrical body, upper end on the center line of inner chamber has that center hole passes interior pump case (4), there is oil inlet hole (11) lower end through interior pump case (4), has independently vent (7) on the side of center hole; Rank in the annular that there is plane ring type the inner of oil inlet hole (11), in annular, the plane of structure on rank is sealing surfaces, and sealing surface coordinates with one side below oil inlet valve (9);

The conveniently processing of interior pump case and assembling, interior pump case from recombinant behind upper end or lower end segmentation processing together, or after interior pump case is punished into three sections of processing from top and bottom, recombinants are together;

Described oil inlet valve (9) is dull and stereotyped, and below dull and stereotyped, one side is sealing surface, and sealing surface coordinates the passage that can seal oil inlet passage and open into oil with the plane of structure on rank in the annular of the inner of oil inlet hole (11);

Described central siphon outlet valve comprises hollow valve body (5) and ball sealer (8), hollow valve body (5) is the hollow shaft of hollow pipe-type, the surface of the part that hollow valve body (5) stretches in interior pump case (4) is smooth cylndrical surface, and cylndrical surface coordinates with the center hole of ferrite core piston (6); There is fuel-displaced sealed end the lower end of hollow valve body (5), the lower end surface of fuel-displaced sealed end in the lower end of hollow valve body (5), upper-end surface is inner conical surface, the large end of inner conical surface communicates with the upper end of central siphon outlet valve, small end communicates with the lower end of central siphon outlet valve, and inner conical surface is provided with ball sealer (8); The mating spherical surfaces of inner conical surface and ball sealer, can inner conical surface be sealed under the effect of the gravity of ball sealer (8), the sealing of inner conical surface and ball sealer (8) can be opened when being with the oil of pressure from the endoporus of hollow valve body (5) lower end and form passage;

Described ferrite core piston (6) is columniform iron core, and there is smooth center hole at the position of the center line of columniform iron core, and the periphery of columniform iron core is smooth periphery; In smooth center hole, have the annular groove of depression, annular groove is embedded with seal ring; Smooth periphery has the annular groove of depression, and annular groove is embedded with seal ring; Center hole coordinates with the cylndrical surface of hollow valve body (5) and can O-ring cylinder, and can slide on the cylndrical surface of hollow valve body (5); Periphery coordinates the inner chamber that can seal interior pump case (4) with the inner chamber of interior pump case (4), and can slide in the inner chamber of interior pump case (4);

Described upper magnet and lower magnet are the electromagnetic coils that can generate an electromagnetic field, and are the power pulling ferrite core piston to move up and down;

Described magnetic field control controller controls the controller that upper magnet and lower magnet generate an electromagnetic field, and controls upper magnet and lower magnet and circulate the length of time of generating an electromagnetic field and the time that generates an electromagnetic field;

Described electronic remote controller connects and cuts off the circuit switch generated an electromagnetic field, and comprise the switch sections and electronic telecontrol part that switch on or off circuit, electronic telecontrol part comprises remote controller switch and electronic signal receiver; Remote controller switch is used for staff and carries with, and is convenient to staff and handles the normal work of oil well PetroChina Company Limited. extracting device and cut off the control circuit of oil well PetroChina Company Limited. extracting device;

Described petroleum pipeline connecting head (10) is the petroleum pipeline of the integral type with connecting head and connecting tube;

Described oil inlet hole (11) be oil enter the inner chamber of interior pump case (4) through via hole, the upper end of oil inlet hole (11) is inner, lower end is outer end;

Described oil well PetroChina Company Limited. extracting device, in the process extracting oil, controls do not have return spring in valve in the valve of oil-feed and fuel-displaced; Time fuel-displaced, adopt the gravity of oil inlet valve (9) decline return and close oil inlet passage and seal automatically, adopt pressure open oil export in oil discharge passage outside pump case; During oil-feed, adopt the gravity of ball sealer (8) decline return and close oil discharge passage and seal automatically, adopt suction to open oil and enter passage in interior pump case;

During use, be put in the oil in oil well by oil well PetroChina Company Limited. extracting device, outer oilhole (3) and oil inlet hole (11) go deep in oil, the upper part emersion oil face of pump casing (1), press the starting button of remote controller switch, the circuit that controller is controlled in electronic remote controller and magnetic field connected by electronic signal receiver after receiving activating signal, the power-on circuit that magnetic field control controller connects upper magnet (13) generates an electromagnetic field, the attraction force that electromagnetic field produces pulls ferrite core piston (6) to move up, now, cavity below ferrite core piston (6) in interior pump case (4) creates pull of vacuum, pull of vacuum is inhaled dynamic oil inlet valve (9) and is opened and oil inlet valve (9) and the laterally interior rank of oil inlet hole (11) are separated, oil from outer oilhole (3) through oil inlet hole (11), in the annular that oil inlet hole (11) is inner, rank enter the inner chamber of interior pump case (4) again, when the attraction force that upper magnet (13) generates an electromagnetic field pulls ferrite core piston (6) to be moved upwards up to top, the power-on circuit of lower magnet (12) is connected after magnetic field control controller disconnects the power-on circuit of upper magnet (13), the electromagnetic field of upper magnet (13) disappears, now, oil inlet valve (9) closes oil inlet passage under the effect of self gravitation, the attraction force of the electromagnetic field produced after lower magnet (12) energising pulls ferrite core piston (6) descending, promote the oil in interior pump case (4) and make oil produce internal pressure, the inner conical surface having the oil of pressure to enter fuel-displaced sealed end from the lower end of hollow valve body (5) upwards wash open the ball sealer (8) sealed with the inner conical surface of fuel-displaced sealed end be shifted after continue up, enter from the upper end of hollow valve body (5) in connector of oil pipes of oil (10), again from connector of oil pipes of oil (10) through Cemented filling to the container of oil transport pipeline or transporting petroleum, ferrite core piston (6) is descending when putting in place under the pulling of the attraction force of the electromagnetic field that lower magnet (12) produces, ball sealer (8) descending inner conical surface is shut and make oil not return the inner chamber of interior pump case (4) under the effect of the gravity of self, now, the power-on circuit that magnetic field control controller connects again upper magnet (13) generates an electromagnetic field again, the connection of circulation like this and the power-on circuit of cut-out lower magnet (12) and upper magnet (13), constantly go out oil pump and be transported in the container of oil transport pipeline or transporting petroleum, in the process of taking out oil, pump casing (1) can automatically raise with the rising in oil face or reduction or reduce, in the process of operation of oil pump, ferrite core piston (6) is when the inner chamber of interior pump case (4) moves up and down, air, from the inner chamber of pump case (4) in vent (7) turnover, reduces the working resistance of ferrite core piston (6).

2. oil well PetroChina Company Limited. according to claim 1 extracting device, is characterized in that: in order to ensure that oil well PetroChina Company Limited. extracting device can normally work, and adopts electronic remote controller to control connection and the cut-out of the connecting circuit of upper magnet and lower magnet;

In order to ensure that pump casing (1) can keep shape and be not easy distortion, in the inner chamber of pump casing (1), manufacture the skeleton having support;

In order to ensure that oil can normally enter in outer oilhole (3), the center of gravity of pump casing (1) is manufactured on the position near outer oilhole (3);

In order to enable oil enter in interior pump case (4), the outer oilhole (3) swimming in the pump casing (1) on oil face must slip into the following oil pump in oil face and can normally work.

3. oil well PetroChina Company Limited. according to claim 1 extracting device, it is characterized in that: there is no silt and moisture to ensure to enter in the oil in oil pump, outside during the bottom of oilhole (3) close to oil well, adopt foot rest (2) to support pump casing (1) and outer oilhole (3) is maintained a certain distance with the bottom of oil well;

In order to reduce resistance when ferrite core piston (6) is up, be provided with vent (7) in the upper end of interior pump case (4), vent (7) can make the inner chamber of interior pump case (4) communicate with the inner chamber of pump casing (1).

4. oil well PetroChina Company Limited. according to claim 1 extracting device, it is characterized in that: the top in interior pump case (4) can be got back to after entering central siphon outlet valve to make the oil below the ferrite core piston (6) of ferrite core piston (6) in promoting in pump case (4) smoothly, adopting upper magnet (13) as the power pulling ferrite core piston (6) up.

5. oil well PetroChina Company Limited. according to claim 1 extracting device, it is characterized in that: compact structure, the powerful of described oil well PetroChina Company Limited. extracting device, swim on oil face, can automatically raise with the rising in oil face or reduction or reduce, silt and the moisture of taking out the bottom of oil well during oil enter in oil pump; The market prospects of industrialization are good, commercial value is high, manufacture and use all very convenient.

6. a manufacture method for oil well PetroChina Company Limited. extracting device, is characterized in that:

During fabrication, a type in pump casing (1) employing metal, plastics, nylon, glass fibre reinforced plastics, rubber or the material manufacture of several types, when pump casing (1) when adopting rubber material to manufacture or after manufacture shaping is soft-shell, inflates will first in use the inner chamber of pump casing (1) and make it float on pasta; Hollow valve body (5) and interior pump case (4) adopt the material manufacture of a type in metal, plastics, nylon and glass fibre reinforced plastics or several types; A type in oil inlet valve (9) employing metal, plastics, nylon and glass fibre reinforced plastics or the material manufacture of several types; Ferrite core piston (6) adopts the material manufacture of the hard to bear magnetic field suction of energy; A type in connector of oil pipes of oil (10) employing metal, plastics, nylon, glass fibre reinforced plastics, rubber or the material manufacture of several types;

Pump casing (1) creates the hollow cavity producing buoyancy, the upper end of hollow cavity manufacture have stretch out hole and string holes, lower end manufactures outer oilhole (3), stretch out hole and create the hole allowing connector of oil pipes of oil (10) pass, fix connector of oil pipes of oil (10) by nut, and stretch out hole by connector of oil pipes of oil (10) and sealing gasket and nut seal; String holes creates the hole allowing insulated electric conductor pass, and by insulated electric conductor and sealed rubber ring sealing string holes; Lower part in hollow cavity is provided with the parts installed in lower magnet (12), upper magnet (13) interior pump case (4) and interior pump case (4), and the upper part in hollow cavity is provided with connector of oil pipes of oil (10); Lower end in hollow shell coordinates with the lower end of interior pump case (4) and seals the inner chamber of the lower part of hollow shell, and the outer oilhole (3) of hollow shell lower end communicates with the oil inlet hole (11) of interior pump case (4) lower end;

Conveniently assemble, during fabrication, after pump casing (1) is divided into two-part manufacture from the place that the shape of centre is maximum, recombinant together for pump casing (1);

The inner chamber of interior pump case (4) creates cylindrical cavity, upper end on the center line of inner chamber manufactures has center hole to pass interior pump case (4), lower end manufacture has oil inlet hole (11) through interior pump case (4), and manufacturing on the side of center hole has independently vent (7); Rank in the annular that the inner of oil inlet hole (11) manufacture has plane ring type, in annular, the plane of structure on rank creates sealing surface, and sealing surface coordinates with one side below oil inlet valve (9);

The conveniently processing of interior pump case and assembling, interior pump case during fabrication, interior pump case from recombinant behind upper end or lower end segmentation manufacture together, or, interior pump case to punish into from top and bottom three sections manufacture after recombinants together;

Oil inlet valve (9) creates flat board, and below dull and stereotyped, one side creates sealing surface, and sealing surface coordinates the passage that can seal oil inlet passage and open into oil with the plane of structure on rank in the annular of the inner of oil inlet hole (11);

Central siphon outlet valve creates hollow valve body (5) and ball sealer (8) two-part, hollow valve body (5) creates the hollow shaft of hollow pipe-type, the surface of the part that hollow valve body (5) stretches in interior pump case (4) creates smooth cylndrical surface, and cylndrical surface coordinates with the center hole of ferrite core piston (6); The lower end of hollow valve body (5) manufactures fuel-displaced sealed end, the lower end surface of fuel-displaced sealed end is manufactured on the lower end of hollow valve body (5), upper-end surface creates inner conical surface, the large end of inner conical surface communicates with the upper end of central siphon outlet valve, small end communicates with the lower end of central siphon outlet valve, and inner conical surface is provided with ball sealer (8); The mating spherical surfaces of inner conical surface and ball sealer, can inner conical surface be sealed under the effect of the gravity of ball sealer (8), the sealing of inner conical surface and ball sealer (8) can be opened when being with the oil of pressure from the endoporus of hollow valve body (5) lower end and form passage;

Ferrite core piston (6) creates columniform iron core, and the position of the center line of columniform iron core manufactures smooth center hole, and the periphery of columniform iron core creates smooth periphery; In smooth center hole, manufacture the annular groove having depression, annular groove is embedded with seal ring; Smooth periphery manufactures the annular groove having depression, and annular groove is embedded with seal ring; Center hole coordinates with the cylndrical surface of hollow valve body (5) and can O-ring cylinder, and can slide on the cylndrical surface of hollow valve body (5); Periphery coordinates the inner chamber that can seal interior pump case (4) with the inner chamber of interior pump case (4), and can slide in the inner chamber of interior pump case (4);

Upper magnet and lower magnet create the electromagnetic coil that can generate an electromagnetic field;

Magnetic field control controller creates the controller controlling upper magnet and lower magnet and generate an electromagnetic field, and controls upper magnet and lower magnet and circulate the length of time of generating an electromagnetic field and the time that generates an electromagnetic field;

Electronic remote controller creates to be connected and cuts off the circuit switch generated an electromagnetic field, and comprise the switch sections and electronic telecontrol part that switch on or off circuit, electronic telecontrol part comprises remote controller switch and electronic signal receiver;

Connector of oil pipes of oil (10) creates the petroleum pipeline of the integral type with connecting head and connecting tube;

Oil inlet hole (11) create oil enter the inner chamber of interior pump case (4) through via hole, the upper end of oil inlet hole (11) creates the inner, lower end and creates outer end;

In order to ensure that oil well PetroChina Company Limited. extracting device can normally work, electronic remote controller is adopted to control connection and the cut-out of the connecting circuit of upper magnet and lower magnet;

In order to enable oil enter in interior pump case (4), the outer oilhole (3) swimming in the pump casing (1) on oil face must slip into the following oil pump in oil face and can normally work;

Silt and moisture is not had in order to ensure to enter in the oil in oil pump, outside during the bottom of oilhole (3) close to oil well, adopt foot rest (2) to support pump casing (1) and outer oilhole (3) is maintained a certain distance with the bottom of oil well;

In order to reduce resistance when ferrite core piston (6) is up, manufacture in the upper end of interior pump case (4) and have vent (7), vent (7) can make the inner chamber of interior pump case (4) communicate with the inner chamber of pump casing (1);

The top in interior pump case (4) can be got back to after entering central siphon outlet valve to make the oil below the ferrite core piston (6) of ferrite core piston (6) in promoting in pump case (4) smoothly, adopting upper magnet (13) as the power pulling ferrite core piston (6) up;

Lower part in pump casing (1) is provided with interior pump case (4), upper magnet and lower magnet, below the outside of pump casing (1), one side is fixed with foot rest (2), and the lower end of foot rest (2) is lower than the position of the outer oilhole (3) of pump casing (1) lower end, lower magnet (12) is fixed on the lower part of interior pump case (4) outside, upper magnet (13) is fixed on the upper part of interior pump case (4) outside, and the lower end of interior pump case (4) is fixed on the lower end in pump casing (1), connect upper magnet to be connected with field controller with the circuit of lower magnet, the circuit of field controller is connected with electronic remote controller, electronic remote controller is connected with insulated electric conductor, and the electronic signal receiver of field controller, electronic remote controller and electronic remote controller is arranged in pump casing (1), in interior pump case (4), central siphon outlet valve is installed, oil inlet valve (9), ferrite core piston (6), central siphon outlet valve is fixed on the center hole of the overlying one end of interior pump case (4), after the lower end of central siphon outlet valve is passed from the center hole of the upper end of interior pump case (4), enter in interior pump case (4) through the one side place entered into after ferrite core piston (6) above close to oil inlet valve (9), the one side above of the lower end of central siphon outlet valve and oil inlet valve (9) has gap, oil inlet valve (9) to be arranged in the inner annular of oil inlet hole (11) on rank, below oil inlet valve (9), one side coordinates with the plane of structure on rank in the annular of the inner of the oil inlet hole (11) of the lower end of interior pump case (4) and can seal or open the oil inlet passage entered in interior pump case (4), ferrite core piston (6) is arranged in the inner chamber of interior pump case (4), and is enclosed within the cylndrical surface of hollow valve body (5), the part that the upper-end surface of interior pump case (4) is exposed in the upper end of central siphon outlet valve is connected with the lower end of connector of oil pipes of oil (10), connector of oil pipes of oil (10) is fixed on the upper end of pump casing (1) by stretching out hole, the upper end of connector of oil pipes of oil (10) is connected with the pipeline of transfer oil by flexible pipe or telescopic pipe.