CN220101246U - Sealing element and underground fluid self-driven extraction device - Google Patents
Sealing element and underground fluid self-driven extraction device Download PDFInfo
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- CN220101246U CN220101246U CN202321598910.5U CN202321598910U CN220101246U CN 220101246 U CN220101246 U CN 220101246U CN 202321598910 U CN202321598910 U CN 202321598910U CN 220101246 U CN220101246 U CN 220101246U
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- 238000007789 sealing Methods 0.000 title claims abstract description 219
- 239000012530 fluid Substances 0.000 title claims abstract description 22
- 238000000605 extraction Methods 0.000 title claims abstract description 14
- 230000001502 supplementing effect Effects 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims description 20
- 210000004907 gland Anatomy 0.000 claims description 16
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 239000000110 cooling liquid Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims 2
- 238000012856 packing Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 2
- 206010063385 Intellectualisation Diseases 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 9
- 230000010349 pulsation Effects 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035485 pulse pressure Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model provides a sealing element and an underground fluid self-driven extraction device, which comprises main components such as a driving piston, an energy supplementing device and the like, wherein the driving piston is provided with a power sensing element, a sealing element and a driving element, the power sensing element can realize power and signal sensing, the sealing element can realize efficient sealing of the driving piston and separation of fluid in an oil pipe, a sealing motor can expand or contract a sealing rubber barrel according to actual pressure, matching with external pressure is realized, better sealing performance is realized, interference to flow is not generated, flow stability is realized, sealing and driving self-adaptive control is realized through a sensor, a controller and a signal transceiver, control intellectualization is improved, and manual management cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of underground drainage and gas, and particularly relates to a sealing element and an underground fluid self-driven drainage device.
Background
The traditional plunger pump-out underground fluid has the problems of loose plunger seal, unstable flow, high manual management cost, low intelligent degree and the like. The utility model patent application with the patent application number of CN201510213971.9 discloses an intelligent plunger type drainage gas production device, which completes gas-liquid separation in a gas well mainly through a rubber sealing sleeve outside a switch shell, completely depends on the elastic deformation of the rubber sealing sleeve, cannot bear larger pressure and pressure fluctuation, is extremely easy to wear and discard, needs to frequently replace the rubber sealing sleeve, causes extremely unstable flow and increases management cost.
Disclosure of Invention
The utility model aims to solve the problems of the prior art that the plunger is not tight in sealing, unstable in flow, high in management cost and low in use efficiency.
The utility model provides a sealing element, which is characterized by comprising a sealing rubber cylinder, an inverted T-shaped sealing sliding sleeve, an upper sealing gland, an upper sealing gasket, a sealing support, a lower sealing gasket, a lower sealing gland, two racks which are arranged in the sealing rubber cylinder and are symmetrically arranged, two sealing motors which are symmetrically arranged and two sealing motor supports which are symmetrically arranged;
the column body of the inverted T-shaped sealing sliding sleeve extends upwards to the outside of the top opening of the sealing rubber cylinder; the upper sealing gland is sleeved on a column body outside the top of the sealing rubber cylinder;
the upper sealing gasket is sleeved on the column body and is arranged between the upper sealing gland and the top of the sealing rubber cylinder;
the bottom annular part of the inverted T-shaped sealing sliding sleeve is arranged in the sealing rubber cylinder and is pressed on the inner side of the top of the sealing rubber cylinder;
the sealing support is T-shaped, and the column part of the sealing support extends downwards to the outside of the bottom opening of the sealing rubber cylinder;
the lower sealing gasket and the lower sealing gland are arranged outside the bottom of the sealing rubber cylinder and are sequentially sleeved on the cylinder part from top to bottom;
the top annular part of the sealing support is pressed on the inner side of the bottom of the sealing rubber cylinder;
the top of the rack is fixedly connected with the bottom of the inverted T-shaped sealing sliding sleeve;
the sealing motor is fixed on the sealing motor support, and the sealing motor support is fixed on the top of the sealing support;
the seal motor is connected with a half ring gear which is meshed with the rack;
insulating cooling liquid is filled in the sealing rubber cylinder.
Simultaneously, the underground fluid self-driven extraction device comprises a driving piston formed by a power sensing piece, a sealing piece and a driving piece which are sequentially connected from top to bottom, and is characterized in that the power sensing piece comprises an upper shell, a lower shell which is integrally arranged with the upper shell, and a central pipe which is coaxial with the upper shell and the lower shell and penetrates through the upper shell and the lower shell;
the wireless charging tray is arranged at the top of the upper shell, the first data transceiver is arranged at the side part of the upper shell, and the controller and the cushion layer which are vertically stacked are arranged in the bottom of the upper shell;
a battery pack is installed in the lower housing;
the central tube penetrates through the controller, the cushion layer and the battery pack;
the top of the central tube is provided with a top cover arranged at the bottom of the wireless charging tray, an upper temperature sensor and an upper pressure sensor are arranged at the top of the top cover, and the upper temperature sensor and the upper pressure sensor are positioned in a central hole of the wireless charging tray;
two symmetrical upper positioning wheels are arranged on the outer side of the lower shell;
a power communication channel is arranged in the central tube, and the upper part of the power communication channel is communicated with the bottom of the top cover so as to provide a cable channel for connecting the upper temperature sensor and the upper pressure sensor;
the side part of the central tube is provided with an upper sealing port positioned above the controller and used as a connecting channel of a power communication channel, the controller and a data transceiver;
the sealing element is the sealing element;
the bottom of the lower shell is pressed on the top of the inverted T-shaped sealing sliding sleeve;
the inverted T-shaped sealing sliding sleeve and the sealing support are provided with coaxial through holes extending from top to bottom; the lower section of the central tube is inserted into the bottom end of the perforation; the power communication channel extends downwards to the bottom end of the central tube;
an upper sealing plate is arranged between the bottom end of the central tube and the lower sealing port of the power communication channel;
a middle sealing port is formed in one side, located between the inverted T-shaped sealing sliding sleeve and the sealing support, of the lower section of the central tube and is used as a power communication channel and a cable channel of the sealing motor;
a plurality of sliding sleeve sealing rings which are arranged from top to bottom are arranged between the inverted T-shaped sealing sliding sleeve and the central tube.
Further, the device also comprises an energy compensator, a leakage cover and an electric gate valve; the energy compensator comprises an energy compensator shell, a movable plate and an electromagnet which are arranged in the energy compensator shell, and a pneumatic spring, wherein one end of the pneumatic spring is connected with the electromagnet, and the other end of the pneumatic spring extends out from a through hole on the right side surface of the energy compensator shell;
the top surface of the energy compensator shell is provided with a plurality of wireless charging modules;
the left side of the movable plate is contacted with the inner side of the left side surface of the energy compensator shell; the right end of the movable plate is provided with an outwards extending inclined downhill, and the lower end of the inclined downhill extends to the bottom surface of the energy compensator shell;
a plurality of compression springs are arranged between the movable plate and the bottom surface of the energy compensator shell;
top and bottom holes are formed in the top and bottom surfaces of the energy compensator shell; the leakage cover is fixed on the top surface of the energy compensator shell and is communicated with the top hole, and a leakage hole plate is arranged in the top hole; a drain pipe is arranged on the right side of the drain cover;
the flashboard valve shell of the electric flashboard valve is fixed on the bottom surface of the energy compensator shell outside the bottom hole and is communicated with the bottom hole; the flashboard of the electric flashboard valve is transversely arranged on the flashboard valve shell;
the right side of the bottom surface of the energy compensator shell is provided with a second data transceiver for receiving data transmitted by the first data transceiver so as to realize the on-off control of the electromagnet, the pneumatic spring and the electric gate valve.
The utility model has the advantages that:
the sealing motor can expand or contract according to actual pressure, so that the sealing rubber barrel can be matched with external pressure, better sealing performance is achieved, interference to flow is avoided, stability of flow is achieved, sealing and driving self-adaptive control is achieved through the sensor, the controller and the signal transceiver, control intelligence is improved, manual management cost is reduced, and use efficiency is improved.
Drawings
Fig. 1 is a schematic view of a driving piston in semi-section.
Fig. 2 is a cross-sectional view of the seal.
FIG. 3 is a cross-sectional view of a power sensing element.
Fig. 4 is a cross-sectional view of the drive piston.
Fig. 5 is a cross-sectional view of the driver.
Fig. 6 is a plan view of the battery pack arrangement.
FIG. 7 is a schematic diagram of the structure of the energy compensator and the leakage cover.
FIG. 8 is a cross-sectional view of the arrangement of the energy compensator, the bleeder cover and the electric gate valve.
Fig. 9 is a cross-sectional view of an electromagnet and pneumatic spring arrangement.
FIG. 10 is a schematic diagram of a self-driven subsurface fluid production method implementation.
Fig. 11 is a schematic view of a power member housing with a lower positioning wheel arrangement.
Detailed Description
In order to solve the problems of the existing plunger that the sealing is not tight, the flow is unstable, the management cost is high, and the use efficiency is low, the embodiment provides a part with wear resistance and sealing performance better than those of a sealing switch and a sealing rubber sleeve in the prior art, in particular to a sealing element shown in fig. 2, which is applied to the underground fluid self-driven extraction device shown in fig. 1, and the underground fluid self-driven extraction device mainly comprises a driving piston formed by sequentially connecting a power sensor 1, a sealing element 2 and a driving element 3 from top to bottom, wherein the sealing element 2 comprises a sealing rubber barrel 201, an inverted T-shaped sealing sliding sleeve 202, an upper sealing gland 203, an upper sealing gasket 204, a sealing support 205, a lower sealing gasket 206, a lower sealing gland 207, two racks 208 symmetrically arranged in the sealing rubber barrel 201, two sealing motors 209 symmetrically arranged and two sealing motor supports 210 symmetrically arranged.
Wherein, the column of the inverted T-shaped sealing sliding sleeve 202 extends upwards to the outside of the top opening of the sealing rubber barrel 201; the upper sealing gland 203 is sleeved on a cylinder outside the top of the sealing rubber barrel 201; the upper sealing gasket 204 is sleeved on the column body and is arranged between the upper sealing gland 203 and the top of the sealing rubber barrel 201; the bottom annular part of the inverted T-shaped sealing sliding sleeve 202 is arranged in the sealing rubber barrel 201 and is pressed on the inner side of the top of the sealing rubber barrel 201; the sealing support 205 is T-shaped, and its column part extends downwards to the outside of the bottom opening of the sealing rubber 201; the lower sealing gasket 206 and the lower sealing gland 207 are arranged outside the bottom of the sealing rubber barrel 201 and are sleeved on the column body from top to bottom in sequence; the top annular part of the sealing support 205 is pressed on the inner side of the bottom of the sealing rubber barrel 201; while the top of the rack 208 is fixedly connected with the bottom of the inverted T-shaped sealing sliding sleeve 202; the seal motor 209 is fixed on a seal motor mount 210, the seal motor mount 210 being fixed on top of the seal mount 205; the seal motor 209 is connected with a half ring gear 211, and the half ring gear 211 is meshed with the rack 208; the sealing rubber 201 is filled with insulating coolant. The sealing support 205 is provided with a liquid injection channel 213, and a sealing cover 214 is arranged at the inlet of the liquid injection channel 213.
The sealing process of the sealing member 2 is: the sealing motor 209 rotates positively (the right side motor in fig. 2 and 4 is supposed to be on the left side of the rack, the L-shaped direction of the right side rack is supposed to be consistent with that of the left side rack), the rack 208 is driven to move downwards through the half-ring gear 211, the inverted T-shaped sealing sliding sleeve 202 connected with the rack 208 is driven to move downwards, the sealing rubber barrel 201 is pressed inwards through the upper sealing gland 203 and the upper sealing gasket 204, insulating cooling liquid in the sealing rubber barrel 201 is pressed (the bottom of the sealing rubber barrel 201 is supported and kept motionless through the sealing support 205) is pressed, the circumferential side wall of the sealing rubber barrel 201 protrudes outwards under the pressing of the insulating cooling liquid, so that the sealing rubber barrel 201 can be tightly pressed on the inner wall of a sealed pipeline, the pipeline is sealed up and down, otherwise, the T-shaped sealing sliding sleeve 202 is pushed upwards or outwards through the reverse rotation of the sealing motor 209, the sealing rubber barrel 201 is restored to an initial state, and the sealing of the pipeline is relieved.
As is clear from fig. 2, in order to improve the tightness of the sealant barrel 201, in this embodiment, the upper sealing gasket 204 and the top outer side of the sealant barrel 201 are pressed together by a concave-convex surface structure; meanwhile, the bottom annular part of the inverted T-shaped sealing sliding sleeve 202 and the inner side of the top of the sealing rubber barrel 201 are also pressed together through a concave-convex surface structure; the top annular part of the sealing support 205 and the inner side of the bottom of the sealing rubber barrel 201 are pressed together through a concave-convex surface structure; the lower sealing gasket 206 is pressed together with the outer side of the bottom of the sealing rubber barrel 201 through a concave-convex surface structure. The concave-convex surface structure refers to two surfaces which are oppositely pressed together, wherein one surface is provided with a concave, the other surface is provided with a bulge matched and matched with the concave, and the concave and the bulge are matched and extruded to realize multi-position sealing, so that the sealing effect is improved.
In this embodiment, the rack 208 is set to be an inverted L shape, and the top flat portion thereof is connected with the bottom of the inverted T-shaped sealing sliding sleeve 202, so that the stability of connection between the rack and the inverted T-shaped sealing sliding sleeve can be enhanced, and meanwhile, the operation of the connection structure is facilitated.
In order to facilitate the laying of the signal control line and the conductive line during intelligent control, in this embodiment, a coaxial perforation hole 212 extending from top to bottom is formed on the inverted T-shaped sealing sliding sleeve 202 and the sealing support 205, and a pipeline, a component power and a signal transmission channel can be penetrated through the perforation hole 212.
In a driving piston of a subsurface fluid self-driven extraction device shown in fig. 1, as shown in fig. 3, a power sensor 1 includes an upper housing 101, a lower housing 106 integrally provided with the upper housing 101, and a center tube 108 coaxial with the upper housing 101 and the lower housing 106 and penetrating the upper housing 101 and the lower housing 106; a wireless charging tray 102 is mounted on the top of the upper housing 101, and an annular charging belt is provided on the wireless charging tray 102 to be used as a charging docking portion.
The first data transceiver 103 is installed at the side of the upper case 101, and the controller 104 and the cushion layer 105 are installed in the bottom of the upper case 102; and a battery pack 107 is mounted in the lower housing 106 and electrically connected to the wireless charging tray 102 to provide power for driving the pistons. The battery pack 107 is composed of cylindrical batteries 115 shown in fig. 6 and heat conductive silica gel 116, the cylindrical batteries are annularly arranged in 3 layers in a space between the outer wall of the center tube 108 and the inner wall of the lower housing 106, and the space between the cylindrical batteries 115 is filled with the heat conductive silica gel 116. The cylindrical battery 115 is used for storing electric quantity, providing sufficient electric power for the sealed motor and the driving motor, and the heat conducting silica gel 116 is used for filling gaps of the cylindrical battery 115 to support the cylindrical battery 115 and can also transfer heat of the battery during charging, so that the temperature of the whole battery pack 107 is uniform. The top of the battery pack 107 is connected to the bottom of the mat 105, the inner wall of the battery pack 107 is in contact with the outer wall of the center tube 108, the outer wall of the battery pack 107 is in contact with the inner wall of the lower housing 106, and the bottom of the battery pack 107 is in contact with the bottom of the lower housing 106.
The central tube 108 penetrates the controller 104, the cushion 105 and the battery pack 107; and the top of the central tube 108 is provided with a top cover 109 arranged at the bottom of the wireless charging tray 102, an upper temperature sensor 110 and an upper pressure sensor 111 are arranged at the top of the top cover 109, the upper temperature sensor 110 and the upper pressure sensor 111 are positioned in a central hole of the wireless charging tray 102, and the top surface is lower than the top surface of the wireless charging tray 102, so that abrasion to the upper temperature sensor 110 and the upper pressure sensor 111 is prevented.
Two symmetrical upper positioning wheels 112 are arranged on the outer side of the lower shell 106, and are used for ensuring the coaxiality of the driving piston in use and avoiding deflection.
As can be seen in connection with fig. 4, a power communication channel 113 is provided in the center tube 108, and an upper portion of the power communication channel 113 communicates with a bottom portion of the top cover 109 to provide a cable channel connecting the upper temperature sensor 110 and the upper pressure sensor 111; the side of the central tube 108 is provided with an upper sealing port 114 above the controller 104 as a connection channel between the power communication channel 113 and the controller 104 and the first data transceiver 103. The lower section of the center tube 108 is inserted into the bottom end of the through hole 212; the power communication channel 113 extends down to the bottom end of the center tube 108; an upper sealing plate 116 is arranged between the bottom end of the central tube 108 and a lower sealing port 115 of the power communication channel 113; a middle sealing port 117 is formed on one side of the lower section of the central tube 108, which is positioned between the inverted T-shaped sealing sliding sleeve 202 and the sealing support 205, and is used as a cable channel of the power communication channel 113 and the sealing motor 209; a plurality of sliding sleeve sealing rings 215 are arranged from top to bottom between the inverted T-shaped sealing sleeve 202 and the central tube 108. The power supply cable and signal wire of the sealed motor 209 enter the power communication channel 113 through the middle sealing port 117 and are connected with the controller 104 through the upper sealing port 114.
As shown in fig. 4 and 5, the driving element 3 in the driving piston comprises a shell, a driving motor 302 arranged in the shell and a driving blade 316 arranged at the bottom of the shell; the housing includes a driver upper housing 301 and a driver lower housing 309; the top of the upper driver housing 301 is connected to the bottom of the seal holder 205, and the bottom of the upper driver housing 301 is connected to the inside of the lower driver housing 309; the lower seal port 115 is disposed within the top of the drive upper housing 301; the power supply line of the drive motor 302 enters the power communication channel 113 through the lower sealing port 115 and is connected to the controller 104 through the upper sealing port 114.
The driving motor 302 is fixed inside the lower driver housing 309 by two motor brackets 303 symmetrically arranged; the middle part of the driving motor 302 is connected with an upper driving shaft 304 which is arranged between two symmetrically arranged motor brackets 303; while the lower end portion of the upper drive shaft 304 is provided with a plurality of circumferentially arranged outer permanent magnets 305, the outer permanent magnets 305 extending in the axial direction; a through hole 307 is formed in the lower driver shell 309 corresponding to the upper driving shaft 304, a spacer 308 is arranged in a groove space formed by the lower end part of the upper driving shaft 304 and a plurality of peripheral outer permanent magnets 305, and the notch of the spacer 308 is connected with the outer edge of the through hole 307; a rotary bearing 310 is disposed at the center of the groove bottom of the spacer 308, and a lower driving shaft 311 is coupled to the rotary bearing 310, passes through the through hole 307 downward, and is connected to the driving vane 316.
And an inner permanent magnet 312 is arranged outside the top section of the lower driving shaft 311, which is arranged in the isolating sleeve 308, so as to transmit the rotary motion of the driving motor 302 to the lower driving shaft 311 under the magnetic force of the outer permanent magnet 305, and further drive the driving blade 316 to rotate.
A thrust support 313 is arranged outside the lower driver housing 309, and the thrust support 313 is arranged above the driving blade 316;
an upper thrust plate 314 is disposed between the lower driver housing 309 and the thrust bearing 313; a lower thrust plate 315 is disposed between thrust bearing 313 and drive vane 316; the upper thrust plate 314 and the lower thrust plate 315 are sleeved on the lower driving shaft 311; an upper thrust ball 317 is provided between the upper thrust plate 314 and the thrust support 313, and a lower thrust ball 318 is provided between the lower thrust plate 315 and the thrust support 313.
The bottom of the lower driver housing 309 is connected to a vane sheath 319, which encloses the thrust bearing 313, the lower driving shaft 311 and the driving vane 316, so as to protect the driving vane 316. Finally, it should be noted that, in this embodiment, two symmetrical lower positioning wheels 320 are disposed on the upper housing 301 of the driver, and the lower positioning wheels 320 and the upper positioning wheels 112 are disposed on two radial directions perpendicular to each other, which mainly has the function of keeping the driving piston centered, preventing uneven stress of the driving piston, and eccentric wear of the sealing rubber cylinder.
Based on the underground fluid self-driven extraction device, the device also comprises an energy supplementing device 5 for supplementing electric energy to the driving piston, a drainage cover 6 arranged at the liquid outlet of the energy supplementing device 5 and an electric gate valve arranged at the liquid inlet of the energy supplementing device 5, which are shown in fig. 7.
The energy compensator 5 includes an energy compensator housing 500 shown in fig. 8, a movable plate 504 and an electromagnet 506 disposed in the energy compensator housing 500, and a pneumatic spring 507 with one end connected to the electromagnet 506 and the other end extending from a second through hole 503 on the right side of the energy compensator housing 500.
The top surface of the energy compensator housing 500 is provided with a plurality of wireless charging modules 508 for charging the battery pack 107 through the wireless charging tray 102.
The left side of the movable plate 504 is in contact with the inside of the left side face of the energy compensator housing 500; the right end of the movable plate 504 is provided with an inclined downward slope 509 extending outwards, the lower end of the inclined downward slope 509 extends to the bottom surface of the energy compensator housing 500, and the inclined downward slope 509 serves as a transition zone for the driving piston to move from right to left, so that the driving piston is prevented from being blocked in the process of moving to the left of the energy compensator 5.
A plurality of compression springs 505 are arranged between the movable plate 504 and the bottom surface of the energy compensator housing 500, so as to push up the movable plate upwards to realize clamping of the driving piston entering the energy compensator.
Top holes 501 (liquid outlets) and bottom holes 502 (liquid inlets) are formed in the top surface and the bottom surface of the energy compensator housing 500; a drain hole plate 601 is disposed in the top hole 501; the top inner surface of the energy compensator housing 500 is flush with the bottom surface of the inner side of the vent plate 601 (facing inward in the energy compensator housing), preventing the drive piston from being blocked from charging. A bleed flow tube 602 is provided on the right side of the bleed cap 6 for driving the piston through the electrically operated gate valve to continue to discharge fluid.
A shutter valve housing 701 of the electric shutter valve is fixed to the bottom surface of the energy compensator housing 500 outside the bottom hole 502 and communicates with the bottom hole 502; the shutter 702 of the electric shutter valve is laterally disposed on the shutter valve housing 701. The electric gate valve is used for enabling the energy compensator to be kept relatively dry when the driving piston is charged, and wireless charging efficiency is not interfered by liquid.
The right side of the bottom surface of the energy compensator housing 500 is provided with a data transceiver for receiving the data transmitted by the first data transceiver 103, so as to realize the on-off control of the electromagnet 506, the pneumatic spring 507 and the electric gate valve.
Based on the foregoing embodiments, the present embodiment provides a structural diagram for implementing a self-driven underground fluid extraction method shown in fig. 10, where the self-driven underground fluid extraction method includes the following steps:
1) Connecting a flowline 10 with an oil pipe 9, then putting the flowline into a well, putting 3 driving pistons into the flowline 10, and sequentially connecting a pulsation pipe 8, an electric gate valve and an energy compensator 5 from bottom to top at the top of the oil pipe 9 through a wellhead device 11;
2) Closing an electric gate valve, sending a pulse pressure signal to the upper pressure sensor 111 through a pulse channel 801, sending a working instruction of a sealing motor 209 through a controller 104, expanding a sealing rubber cylinder 201 to be in contact with the inner wall of the pipe 10 to realize sealing, then sending a working instruction of a driving motor 302 by the controller 104, driving a driving blade 311 to rotate by the driving motor 302, pushing the driving piston to ascend, and finally discharging fluid at the upper part of the driving piston out of the ground through the pulse channel 801;
3) The internal diameter and length parameters of the oil pipe 9 are written into the controller 104 in advance, the position of the driving piston in the oil pipe 9 is calculated through the total volume of fluid flowing out of the pulsation channel 804, and when the driving piston is 20-30 meters away from the wellhead 11, the first data transceiver 103 transmits data to the upper data transceiver;
4) When the electric quantity of the battery pack 107 is insufficient, the pulsation channel 801 is closed, the electric gate valve is opened, and the piston is driven to continue to ascend; when the top of the driving piston is in contact with the bottom of the drain plate 601, the first data transceiver 103 transmits a signal to the controller 104 to enable the sealing motor 209 to work, so that the sealing rubber barrel 201 is contracted; at this time, the upper data transceiver operates to attract the driving piston according to the signal electromagnet 506 received from the first data transceiver 103, and the pneumatic spring 507 operates to push the driving piston to move to the left of the energy compensator housing; when the driving piston moves in place, the electromagnet 506 is powered off, the pneumatic spring 507 is reset, and the wireless charging module charges the battery pack 107 through the wireless charging tray 102;
5) And closing the electric gate valve, repeating the step 2), when the electric quantity of the battery pack 107 is sufficient, driving the piston to move to the pulsation channel 801, transmitting a signal to the first data transceiver 103 by the lower data transceiver, transmitting a working instruction of the sealing motor 209 through the controller 104, shrinking the sealing rubber barrel 201, driving the piston to descend to an initial position by means of gravity, and repeating the step 2.
The algorithm for estimating the position of the driving piston in the oil pipe 9 from the total volume of fluid flowing out through the pulsation channel 804 in step 3) is as follows:
wherein: h-driving the position of the piston in the oil pipe, m; p (P) Bottom -oil pipe bottom liquid pressure, MPa; v (V) Out of -volume of pulsating channel outflow fluid, m 3 The method comprises the steps of carrying out a first treatment on the surface of the A-inner diameter cross-sectional area of oil pipe, m 2 。
Claims (9)
1. The sealing piece is characterized by comprising a sealing rubber cylinder (201), an inverted T-shaped sealing sliding sleeve (202), an upper sealing gland (203), an upper sealing gasket (204), a sealing support (205), a lower sealing gasket (206), a lower sealing gland (207), two racks (208) which are arranged in the sealing rubber cylinder (201) and are symmetrically arranged, two sealing motors (209) which are symmetrically arranged and two sealing motor supports (210) which are symmetrically arranged;
the column body of the inverted T-shaped sealing sliding sleeve (202) extends upwards to the outside of the top opening of the sealing rubber cylinder (201); the upper sealing gland (203) is sleeved on a cylinder outside the top of the sealing rubber cylinder (201);
the upper sealing gasket (204) is sleeved on the column body and is arranged between the upper sealing gland (203) and the top of the sealing rubber cylinder (201);
the bottom annular part of the inverted T-shaped sealing sliding sleeve (202) is arranged in the sealing rubber cylinder (201) and is pressed on the inner side of the top of the sealing rubber cylinder (201); the sealing support (205) is T-shaped, and the column part of the sealing support extends downwards to the outside of the bottom opening of the sealing rubber cylinder (201);
the lower sealing gasket (206) and the lower sealing gland (207) are arranged outside the bottom of the sealing rubber cylinder (201) and are sequentially sleeved on the cylinder part from top to bottom;
the top annular part of the sealing support (205) is pressed on the inner side of the bottom of the sealing rubber cylinder (201);
the top of the rack (208) is fixedly connected with the bottom of the inverted T-shaped sealing sliding sleeve (202);
the sealing motor (209) is fixed on the sealing motor support (210), and the sealing motor support (210) is fixed on the top of the sealing support (205);
the seal motor (209) is connected with a half ring gear (211), and the half ring gear (211) is meshed with the rack (208);
insulating cooling liquid is filled in the sealing rubber cylinder (201).
2. The seal according to claim 1, characterized in that the upper sealing gasket (204) is pressed together with the top outside of the packing element (201) by means of a relief surface structure;
the bottom annular part of the inverted T-shaped sealing sliding sleeve (202) is contacted and pressed with the inner side of the top of the sealing rubber cylinder (201) through a concave-convex surface structure;
the top annular part of the sealing support (205) and the inner side of the bottom of the sealing rubber cylinder (201) are pressed together through a concave-convex surface structure;
the lower sealing gasket (206) and the outer side of the bottom of the sealing rubber cylinder (201) are pressed together through a concave-convex surface structure.
3. The seal of claim 1 or 2, wherein the rack (208) is inverted L-shaped with a top flat portion connected to the bottom of the inverted T-shaped sealing sleeve (202).
4. The seal according to claim 1 or 2, wherein the inverted T-shaped sealing sleeve (202) and the sealing support (205) are provided with a coaxial through hole (212) extending from top to bottom.
5. A sealing element according to claim 1 or 2, characterized in that the sealing support (205) is provided with a filling channel (213), and that the inlet of the filling channel (213) is provided with a sealing cap (214).
6. The underground fluid self-driven extraction device comprises a driving piston which is composed of a power sensing piece (1), a sealing piece (2) and a driving piece (3) which are sequentially connected from top to bottom, and is characterized in that the power sensing piece (1) comprises an upper shell (101), a lower shell (106) which is integrally arranged with the upper shell (101), and a central tube (108) which is coaxial with the upper shell (101) and the lower shell (106) and penetrates through the upper shell (101) and the lower shell (106);
a wireless charging tray (102) is arranged at the top of the upper shell (101), a first data transceiver (103) is arranged at the side part of the upper shell (101), and a controller (104) and a cushion layer (105) which are vertically stacked are arranged in the bottom of the upper shell (101);
a battery pack (107) is installed in the lower housing (106);
the central tube (108) penetrates through the controller (104), the cushion layer (105) and the battery pack (107);
a top cover (109) arranged at the bottom of the wireless charging tray (102) is arranged at the top of the central tube (108), an upper temperature sensor (110) and an upper pressure sensor (111) are arranged at the top of the top cover (109), and the upper temperature sensor (110) and the upper pressure sensor (111) are positioned in a central hole of the wireless charging tray (102);
two symmetrical upper positioning wheels (112) are arranged on the outer side of the lower shell (106);
a power communication channel (113) is arranged in the central tube (108), and the upper part of the power communication channel (113) is communicated with the bottom of the top cover (109) so as to provide a cable channel for connecting the upper temperature sensor (110) and the upper pressure sensor (111);
the side part of the central tube (108) is provided with an upper sealing port (114) positioned above the controller (104) and used as a connecting channel of the power communication channel (113), the controller (104) and the first data transceiver (103);
the seal (2) is a seal according to claim 1 or 2;
the bottom of the lower shell (106) is pressed on the top of the inverted T-shaped sealing sliding sleeve (202);
the inverted T-shaped sealing sliding sleeve (202) and the sealing support (205) are provided with a coaxial perforation I (212) extending from top to bottom; the lower section of the central tube (108) is inserted into the bottom end of the first through hole (212); the power communication channel (113) extends down to the bottom end of the center tube (108);
an upper sealing plate (116) is arranged between the bottom end of the central tube (108) and a lower sealing port (115) of the power communication channel (113); a middle sealing port (117) is formed in one side, located between the inverted T-shaped sealing sliding sleeve (202) and the sealing support (205), of the lower section of the central tube (108) and is used as a cable channel of the power communication channel (113) and the sealing motor (209);
a plurality of sliding sleeve sealing rings (215) which are arranged from top to bottom are arranged between the inverted T-shaped sealing sliding sleeve (202) and the central tube (108).
7. The underground fluid self-driven extraction device according to claim 6, wherein the driving member (3) comprises a housing, a driving motor (302) arranged in the housing, and a driving blade (316) arranged at the bottom of the housing;
the housing comprises a driver upper housing (301) and a driver lower housing (309);
the top of the upper driver shell (301) is connected with the bottom of the sealing support (205), and the bottom of the upper driver shell (301) is connected with the inner side of the lower driver shell (309); the lower seal port (115) is disposed within the top of the drive upper housing (301);
the driving motor (302) is fixed on the inner side of the lower driver shell (309) through two symmetrically arranged motor brackets (303);
the middle part of the driving motor (302) is connected with an upper driving shaft (304) arranged between the two symmetrically arranged motor brackets (303);
the lower end part of the upper driving shaft (304) is provided with a plurality of circumferentially arranged outer permanent magnets (305), and the outer permanent magnets (305) extend along the axial direction;
a through hole (307) is formed in the lower shell (309) of the driver, which corresponds to the upper driving shaft (304), a spacer sleeve (308) is arranged in a groove space formed by the lower end part of the upper driving shaft (304) and a plurality of peripheral outer permanent magnets (305), and a notch of the spacer sleeve (308) is connected with the outer edge of the through hole (307);
a rotary bearing (310) is arranged at the bottom center of the isolation sleeve (308), and a lower driving shaft (311) is connected with the rotary bearing (310) and then downwards penetrates through the through hole (307) to be connected with the driving blade (316); an inner permanent magnet (312) is arranged outside the top section of the lower driving shaft (311) which is arranged in the isolation sleeve (308) and is used for transmitting the rotary motion of the driving motor (302) to the lower driving shaft (311) under the magnetic force action of the outer permanent magnet (305);
a thrust support (313) is arranged on the outer side of the lower driver shell (309), and the thrust support (313) is arranged above the driving blade (316);
an upper thrust plate (314) is disposed between the lower driver housing (309) and the thrust support (313); a lower thrust plate (315) is disposed between the thrust bearing (313) and the drive vane (316); the upper thrust plate (314) and the lower thrust plate (315) are sleeved on the lower driving shaft (311);
an upper thrust ball (317) is arranged between the upper thrust plate (314) and the thrust support (313), and a lower thrust ball (318) is arranged between the lower thrust plate (315) and the thrust support (313).
8. The self-propelled extraction apparatus of claim 7, wherein a blade shroud (319) is attached to the bottom of the lower driver housing (309) to enclose the thrust bearing (313), lower drive shaft (311) and drive blades (316).
9. The underground fluid self-driven extraction device according to claim 6, further comprising an energy compensator (5), a drainage cover (6) and an electric gate valve;
the energy compensator (5) comprises an energy compensator shell (500), a movable plate (504) and an electromagnet (506) which are arranged in the energy compensator shell (500), and a pneumatic spring (507) with one end connected with the electromagnet (506) and the other end extending out of a second through hole (503) on the right side surface of the energy compensator shell (500);
the top surface of the energy compensator shell (500) is provided with a plurality of wireless charging modules (508);
the left side of the movable plate (504) is contacted with the inner side of the left side surface of the energy supplementing device shell (500); the right end of the movable plate (504) is provided with an outwards extending inclined downhill (509), and the lower end of the inclined downhill (509) extends to the bottom surface of the energy compensator shell (500);
a plurality of compression springs (505) are arranged between the movable plate (504) and the bottom surface of the energy compensator shell (500);
top holes (501) and bottom holes (502) are formed in the top surface and the bottom surface of the energy compensator shell (500); the leakage cover (6) is fixed on the top surface of the energy compensator shell (500) and is communicated with the top hole (501), and a leakage orifice plate (601) is arranged in the top hole (501); a drain pipe (602) is arranged on the right side of the drain cover (6);
a flashboard valve housing (701) of the electric flashboard valve is fixed on the bottom surface of the energy compensator housing (500) outside the bottom hole (502) and is communicated with the bottom hole (502); the flashboard (702) of the electric flashboard valve is transversely arranged on the flashboard valve housing (701);
the right side of the bottom surface of the energy compensator shell (500) is provided with a second data transceiver which is used for receiving data transmitted by the first data transceiver (103) so as to realize the on-off control of the electromagnet (506), the pneumatic spring (507) and the electric gate valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321598910.5U CN220101246U (en) | 2023-06-21 | 2023-06-21 | Sealing element and underground fluid self-driven extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321598910.5U CN220101246U (en) | 2023-06-21 | 2023-06-21 | Sealing element and underground fluid self-driven extraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220101246U true CN220101246U (en) | 2023-11-28 |
Family
ID=88847168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321598910.5U Active CN220101246U (en) | 2023-06-21 | 2023-06-21 | Sealing element and underground fluid self-driven extraction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220101246U (en) |
-
2023
- 2023-06-21 CN CN202321598910.5U patent/CN220101246U/en active Active
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