CN208564487U - Pulling cable type submersible screw pump cable suspension well top sealing device - Google Patents
Pulling cable type submersible screw pump cable suspension well top sealing device Download PDFInfo
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- CN208564487U CN208564487U CN201821206090.XU CN201821206090U CN208564487U CN 208564487 U CN208564487 U CN 208564487U CN 201821206090 U CN201821206090 U CN 201821206090U CN 208564487 U CN208564487 U CN 208564487U
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Abstract
The utility model discloses a kind of pulling cable type submersible screw pump cable suspension well top sealing devices; it is related to oil field technical field of auxiliary equipment, main purpose, which is to provide one kind, can protect cable and improve the pulling cable type submersible screw pump cable suspension well top sealing device of the leakproofness of well head.The main technical schemes of the utility model are as follows: a kind of pulling cable type submersible screw pump cable suspension well top sealing device, comprising: pedestal, pedestal have oil outlet and intercommunicating pore, and oil outlet is used for for petroleum, intercommunicating pore to be discharged across cable；Fuel-displaced portion, fuel-displaced portion are connected to pedestal, and fuel-displaced portion has oil outlet, and oil outlet and oil outlet are interconnected, for petroleum to be discharged；Sealing, sealing include sealing ring and card-tight part, and card-tight part is arranged between oil outlet and intercommunicating pore, and is removably connected to cable, and the lower part of card-tight part is arranged in sealing ring, and card-tight part has through-hole, for across cable.The utility model is mainly used for sealing oil well.
Description
Technical field
The utility model relates to oil field technical field of auxiliary equipment more particularly to a kind of pulling cable type submersible screw pump electricity
Cable hangs well top sealing device.
Background technique
With the fast development of petroleum industry technology, be distributed in the big basin in China five On shore Oil Development all suffer from this two
Secondary or even tertiary recovery, major main oilfield all come into the middle and later periods of High water cut.The hole condition of oilfield exploitation middle and later periods compares
Complexity, usually high-permeability pay, low permeability pay, heavy oil tested layer and solid mixture, beam type oil extraction system cannot
Meet the exploitation requirement of the hole condition in China, the development of submersible electric pump is just with the oil recovery status in China to the demand phase of exploitation tool
Mutually agree with.
In recent years, as oil field shallow super heavy oil, the exploitation of middle-deep well heavy crude reservoir and horizontal well, directional well recover the oil
Technique being widelyd popularize and applying, and a kind of oil production equipment-cable dropping in and taking off type electricity can satisfy current oil field production needs is latent
Screw pump is researched and developed successfully and is widely applied.Cable dropping in and taking off type electric submersible screw pump divides surface power supply control system and the latent spiral shell of underground electricity
Bar pumping system, surface power supply control system are connect by cable with underground electrical submersible pump system, under which passes through in oil pipe
Enter with subsurface progressive cavity system docking in oil well, it is close to cable progress that existing sealing inlet device usually passes through sealing rubber ring
Envelope, still, cable can move on inlet device, and sealing rubber ring is caused to loosen, and generate petroleum so as to cause sealing inlet device
The problem of leakage, also, go wrong since the movement of cable also results in cable with docking for the submersible screw pump of underground, from
And the submersible screw pump of underground is caused to be unable to operate normally.
Utility model content
In view of this, the utility model embodiment provides a kind of pulling cable type submersible screw pump cable suspension sealing wellhead
Device, main purpose, which is to provide one kind, can protect cable and improve the pulling cable type submersible screw pump of the leakproofness of well head
Cable suspension well top sealing device.
In order to achieve the above objectives, the utility model mainly provides the following technical solutions:
The utility model embodiment provides a kind of pulling cable type submersible screw pump cable suspension well top sealing device, should
Device includes:
Pedestal, the pedestal have oil outlet and intercommunicating pore, and for petroleum to be discharged, the intercommunicating pore is used for the oil outlet
Across cable；
Fuel-displaced portion, the fuel-displaced portion are connected to the pedestal, and the fuel-displaced portion has an oil outlet, the oil outlet with it is described
Oil outlet is interconnected, for petroleum to be discharged；
Sealing, the sealing include sealing ring and card-tight part, and the card-tight part setting is in the oil outlet and described
Between intercommunicating pore, and it is removably connected to the cable, the lower part of the card-tight part, the clamping is arranged in the sealing ring
Portion has through-hole, for across the cable.
Further, the card-tight part includes the first fixed block and the second fixed block, and first fixed block has first
Side, second fixed block have second side, and the first side has the first groove, and the second side has second
Groove, first groove and second groove are oppositely arranged to form through-hole, for across the cable.
Further, the card-tight part is arranged in the intercommunicating pore, and is removably connected to the pedestal.
Further, the fixed block is inverted trapezoidal.
Further, the fuel-displaced portion includes flowline and first flange, and one end of the flowline is fixedly connected on institute
Pedestal is stated, the other end is fixedly connected on the first flange.
Further, the sealing further includes second flange and connector, and the pedestal is arranged in the second flange
Top, and it is removably connected to the pedestal, the top of the second flange is arranged in the connector, and is detachably connected
In the second flange, for fixing the cable.
Further, the sealing further includes steel ring, and the second flange and the pedestal is arranged in the steel ring
Junction, for sealing the second flange and the pedestal.
Further, sebific duct, on the cables, one end of the sebific duct is removably connected to described the glue pipe socket dress
Connector, the other end are connected to power-supply device.
Further, the junction of the sebific duct and power-supply device is arranged in packing box, the packing box.
Compared with prior art, the utility model has the following technical effect that
In technical solution provided by the embodiment of the utility model, pedestal is mounted on the well head of oil well, has on pedestal fuel-displaced
Hole and intercommunicating pore, oil outlet are used for for petroleum, intercommunicating pore to be discharged across cable；The effect in fuel-displaced portion is will from the bottom of oil well
Petroleum discharge, fuel-displaced portion are connected to pedestal, and fuel-displaced portion has oil outlet, and oil outlet and oil outlet are interconnected, for stone to be discharged
Oil；The effect of sealing is sealed to pedestal, and sealing includes sealing ring and card-tight part, card-tight part setting in oil outlet and
Between intercommunicating pore, and it is removably connected to cable, the lower part of card-tight part is arranged in sealing ring, and card-tight part has through-hole, is used for
Across cable, sealing ring can make petroleum be merely able to be discharged by oil outlet and fuel-displaced portion, prevent petroleum from flowing out from intercommunicating pore, card
The through-hole in tight portion is used for across cable, and when card-tight part is mobile towards the direction of oil outlet, card-tight part can block cable, prevent
Cable generates displacement at work, compared with the existing technology, is sealed by sealing rubber ring to cable, and still, cable can be
It is moved on inlet device, sealing rubber ring is caused to loosen, lead to the problem of Oil spills so as to cause sealing inlet device, also,
It goes wrong since the movement of cable also results in cable with docking for the submersible screw pump of underground, so as to cause the latent oil of underground
Screw pump is unable to operate normally, close by being arranged card-tight part between oil outlet and intercommunicating pore in the utility model embodiment
The lower part of card-tight part is arranged in seal, and is removably connected to cable, makes petroleum when by pedestal, is merely able to by fuel-displaced
Hole and the discharge of fuel-displaced portion, to reach the technical effect for improving the leakproofness of well head, card-tight part is arranged in oil outlet and intercommunicating pore
Between, and it is removably connected to cable, the lower part of card-tight part is arranged in sealing ring, when card-tight part is moved towards the direction of oil outlet
When dynamic, card-tight part can block cable, prevent cable from moving in intercommunicating pore, to reach the latent oil spiral shell of protection cable and underground
The technical effect of bar pump.
Detailed description of the invention
Fig. 1 is a kind of pulling cable type submersible screw pump cable suspension sealing wellhead dress provided by the embodiment of the utility model
The structural schematic diagram set；
Fig. 2 is the enlarged structure schematic diagram in Fig. 1 at A；
Fig. 3 is a kind of pulling cable type submersible screw pump cable suspension sealing wellhead dress provided by the embodiment of the utility model
The left view structural representation set.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
As shown in Figure 1, Figure 2 and Figure 3, the utility model embodiment provides a kind of pulling cable type submersible screw pump cable
9 suspension well top sealing devices, the device include:
Pedestal 1, pedestal 1 have oil outlet 11 and intercommunicating pore 12, and oil outlet 11 is for being discharged petroleum, and intercommunicating pore 12 is for wearing
Cross cable 9；
Fuel-displaced portion 2, fuel-displaced portion, fuel-displaced portion 2 are connected to pedestal 1, and fuel-displaced portion 2 has oil outlet 21, oil outlet 21 and oil outlet
11 are interconnected, for petroleum to be discharged；
Sealing 3, sealing 3 include sealing ring 31 and card-tight part 32, and sealing ring 31 is arranged in oil outlet 11 and intercommunicating pore
Between 12, and it being removably connected to cable 9, the top of sealing ring 31 is arranged in card-tight part 32, and cable 9 passes through card-tight part 32,
For fixing cable 9.
In technical solution provided by the embodiment of the utility model, pedestal 1 is mounted on the well head of oil well, has on pedestal 1
Oilhole 11 and intercommunicating pore 12, oil outlet 11 are used for for petroleum, intercommunicating pore 12 to be discharged across cable 9；The effect in fuel-displaced portion 2 be from
Petroleum is discharged for the bottom of oil well, and fuel-displaced portion 2 is connected to pedestal 1, and fuel-displaced portion 2 has oil outlet 21, oil outlet 21 and oil outlet
11 are interconnected, for petroleum to be discharged；The effect of sealing 3 is sealed to pedestal 1, and sealing 3 includes 31 He of sealing ring
Card-tight part 32, card-tight part 32 is arranged between oil outlet 11 and intercommunicating pore 12, and is removably connected to cable 9, sealing ring 31
The lower part of card-tight part 32 is set, and card-tight part 32 has through-hole, for across cable 9, sealing ring 31 can to make petroleum be merely able to
It being discharged by oil outlet 11 and fuel-displaced portion 2, prevents petroleum from flowing out from intercommunicating pore 12, the through-hole of card-tight part 32 is used for across cable 9,
When card-tight part 32 is mobile towards the direction of oil outlet 11, card-tight part 32 can block cable 9, prevent cable 9 from producing at work
Raw displacement, compared with the existing technology, is sealed cable 9 by sealing rubber ring, and still, cable 9 can be moved up in inlet device
It is dynamic, cause sealing rubber ring to loosen, leads to the problem of Oil spills so as to cause sealing inlet device, also, due to the shifting of cable 9
It is dynamic to also result in cable 9 and go wrong with docking for the submersible screw pump of underground, it can not so as to cause the submersible screw pump of underground
It operates normally, in the utility model embodiment, card-tight part 32 is arranged between oil outlet 11 and intercommunicating pore 12, sealing ring 31 is set
It sets in the lower part of card-tight part, and is removably connected to cable 9, make petroleum when by pedestal 1, be merely able to through oil outlet 11
It is discharged with fuel-displaced portion 2, to reach the technical effect for improving the leakproofness of well head, also, card-tight part 32 is arranged in oil outlet 11
Between intercommunicating pore 12, and it is removably connected to cable 9, the lower part of card-tight part 32 is arranged in sealing ring 31, when card-tight part 32
When mobile towards the direction of oil outlet 11, card-tight part 32 can block cable 9, prevent cable 9 from moving in intercommunicating pore 12, thus
Reach the technical effect of the submersible screw pump of protection cable 9 and underground.
The effect of above-mentioned pedestal 1 is sealed to the well head of oil well, and pedestal 1 is mounted on the well head of oil well, is had on pedestal 1
There are oil outlet 11 and intercommunicating pore 12, oil outlet 11 is used for for petroleum, intercommunicating pore 12 to be discharged across cable 9, it is generally the case that is gone out
Oilhole 11 and intercommunicating pore 12 be it is interconnected, pedestal 1 can be fixed using the well head of flange and oil well, pedestal 1 and oil
It is usually attached by bolt between the well head of well, gasket can be set between pedestal 1 and the well head of oil well, improve oil
One end of the leakproofness of well, cable 9 is controlled to a power supply, and the other end passes through the intercommunicating pore 12 of pedestal 1 and the latent oil of oil well bottom
Screw pump is connected, and the effect of cable 9 is to provide electric energy to the submersible screw pump of oil well bottom, makes the submersible screw of oil well bottom
Pump can continue working, and therefore, the surface layer of cable 9 usually has the function of preventing petroleum from penetrating into, to prevent petroleum from entering electricity
Dangerous hidden danger is caused in gas region；The effect in fuel-displaced portion 2 is that the petroleum exploited in oil well is discharged, and fuel-displaced portion 2 is connected to pedestal 1, out
Oily portion 2 has oil outlet 21, and oil outlet 21 and oil outlet 11 are interconnected, and fuel-displaced portion 2 can be by the stone in oil outlet 11
Pedestal 1 is discharged in oil or other down-hole liquids, and the submersible screw pump of oil well bottom can be by oil well bottom by lasting work
Petroleum or other down-hole liquids be delivered in the oil outlet 11 of pedestal 1, then be discharged by the oil outlet 21 in fuel-displaced portion 2；It is close
The effect in envelope portion 3 is sealed to pedestal 1, due on pedestal 1 have oil outlet 11 and intercommunicating pore 12, in order to prevent petroleum or
Other down-hole liquids of person are flowed out from intercommunicating pore 12, card-tight part 32 are arranged between oil outlet 11 and intercommunicating pore 12, and removable
It unloading and is connected to cable 9, the lower part of card-tight part 32 is arranged in sealing ring 31, and card-tight part 32 has through-hole, it is used for across cable 9,
That is oil outlet 11 and intercommunicating pore 12 be it is interconnected, cable 9 can successively pass through oil outlet 11 and intercommunicating pore 12, clamping
Portion 32 is arranged between oil outlet 11 and intercommunicating pore 12, and is removably connected to cable 9, and sealing ring 31 is arranged in card-tight part 32
Lower part, so that petroleum or other down-hole liquids is successively passed through oil outlet 11 and oil outlet 21 and pedestal 1 be discharged, so that reaching prevents
Petroleum passes through the technical effect that flows out of intercommunicating pore 12, and the through-hole of card-tight part 32 is used for across cable 9, when card-tight part 32 is towards fuel-displaced
When the direction in hole 11 is mobile, card-tight part 32 can block cable 9, generally use between card-tight part 32 and pedestal 1 and removably connect
The mode of connecing is attached, and optionally, asperities can be arranged on the surface of cable 9, be improved the company between card-tight part 32 and cable 9
It connecing intensity, in the present embodiment, by being arranged sealing ring 31 between oil outlet 11 and intercommunicating pore 12, and being removably connected to
Cable 9 makes petroleum when by pedestal 1, is merely able to be discharged by oil outlet 11 and fuel-displaced portion 2, improves well head to reach
The technical effect of leakproofness, also, card-tight part 32 is arranged between oil outlet 11 and intercommunicating pore 12, and is removably connected to electricity
The lower part of card-tight part 32 is arranged in cable 9, sealing ring 31, when card-tight part 32 is mobile towards the direction of oil outlet 11, card-tight part 32
Cable 9 can be blocked, prevent cable 9 from moving in intercommunicating pore 12, thus reach the submersible screw pump of protection cable 9 and underground
Technical effect.
Further, as depicted in figs. 1 and 2, card-tight part 32 include the first fixed block 321 and the second fixed block 322, first
Fixed block 321 has first side, and the second fixed block 322 has second side, and first side has the first groove, second side
With the second groove, the first groove and the second groove are oppositely arranged to form through-hole, for across cable.In the present embodiment, into one
Step defines that card-tight part 32, the first fixed block 321 and the second fixed block 322 are oppositely arranged, and the first fixed block 321 has the first side
Face, the second fixed block 322 have second side, and first side has the first groove, and second side has the second groove, and two recessed
Slot complements each other to form through-hole, cable pass through through-hole, the first fixed block 321 and the second fixed block 322 in the effect of gravity or
Apply external force to the first fixed block 321 and the second fixed block 322, makes the first fixed block 321 and the second fixed block 322 towards fuel-displaced
When the direction in hole 11 is mobile, the first fixed block 321 is mobile towards the direction of the second fixed block 322, and the second fixed block 322 is towards the
The direction of one fixed block 321 is mobile, reduces the diameter of through-hole, to reach the technical effect of fixed cable.
Further, as depicted in figs. 1 and 2, card-tight part 32 is arranged in intercommunicating pore 12, and is removably connected to pedestal
1.In the present embodiment, card-tight part 32 is further defined, card-tight part 32 is arranged in intercommunicating pore 12, and is removably connected to bottom
Card-tight part 32 and cable 9 can quickly be taken out out of through-hole when the failure of cable 9, can reach and be convenient for changing electricity by seat 1
The technical effect of cable 9；Optionally, it can be attached, can also be passed through by the way of clamping between card-tight part 32 and pedestal 1
Card-tight part 32 and pedestal 1 are attached by the shape for changing card-tight part 32 and intercommunicating pore 12, the shape and card-tight part of intercommunicating pore 12
32 cooperate, and card-tight part 32 is enable to be put into intercommunicating pore 12, then card-tight part 32 is fixed in intercommunicating pore 12 by flange,
To reach the technical effect being fixed on cable 9 on pedestal 1.
Further, as shown in Figures 2 and 3, fuel-displaced portion 2 include flowline 22 and first flange 23, the one of flowline 22
End is fixedly connected on pedestal 1, and the other end is fixedly connected on first flange 23.In the present embodiment, fuel-displaced portion 2 is further defined,
One end of flowline 22 is fixedly connected on pedestal 1, and the other end is removably connected to first flange 23, and oil outlet 21 is arranged fuel-displaced
Pipe 22 and the one end interconnected of pedestal 1, the effect of first flange 23 be connection oil-stocking equipment perhaps transporting equipment petroleum or
Other down-hole liquids enter flowline 22 by oil outlet 11 and oil outlet 21, enter back into the oil storage being connected with first flange 23
Equipment or transporting equipment, to reach the technical effect of quick transfer oil.
Further, as shown in Figures 2 and 3, sealing 3 further includes second flange 33 and connector 34, and second flange 33 is set
It sets on the top of pedestal 1, and is removably connected to pedestal 1, the top of second flange 33 is arranged in connector 34, and detachable
It is connected to second flange 33, for fixing cable 9.In the present embodiment, sealing 3 is further defined, the setting of connector 34 is the
The top of two flanges 33, and it is removably connected to second flange 33, the effect of connector 34 is further to be consolidated cable 9
Fixed, the effect of second flange 33 is that card-tight part 32 is fixed on pedestal 1, between second flange 33 and pedestal 1 by bolt into
Row connection, and card-tight part 32 is stuck between second flange 33 and pedestal 1, make card-tight part 32 towards sealing by tightening bolt
The direction of circle 31 is mobile, squeezes card-tight part 32 to sealing ring 31, to improve the leakproofness of sealing ring 31, then by connecing
First 34 pairs of cables 9 are fixed, and further reach the technical effect of fixed cable 9.
Further, as shown in Fig. 2, sealing 3 further includes steel ring 35, steel ring 35 is arranged in second flange 33 and pedestal 1
Junction, for sealing second flange 33 and pedestal 1.In the present embodiment, sealing 3 is further defined, steel ring 35 is arranged
In the junction of second flange 33 and pedestal 1, the effect of steel ring 35 be pedestal 1 and second flange 33 are sealed, that is to say,
Steel ring 35 can be sealed intercommunicating pore 12, improve the leakproofness of pedestal 1.
Further, as shown in Figure 1, Figure 2 and Figure 3, sebific duct 4 is increased, sebific duct 4 is sleeved on cable 9, and the one of sebific duct 4
End is removably connected to connector 34, and the other end is connected to power-supply device.In the present embodiment, sebific duct 4 is increased, sebific duct 4 is sleeved on
On cable 9, one end of sebific duct 4 is removably connected to connector 34, and the other end is connected to power-supply device, at the effect protection of sebific duct 4
Cable 9 in oil well top, sebific duct 4 generally use high-voltage explosion-proof sebific duct 4, can prevent the cable 9 in sebific duct 4 from being damaged
Wound, to reach the technical effect of protection cable 9.
Further, as shown in figures 1 and 3, packing box 5 is increased, sebific duct 4 and power-supply device is arranged in packing box 5
Junction.In the present embodiment, packing box 5 is increased, the junction of sebific duct 4 Yu power-supply device, packing box 5 is arranged in packing box 5
Effect further seal protection is carried out to sebific duct 4 and cable 9, the gas or liquid for preventing oil well bottom are by sebific duct 4
Either cable 9 perhaps controls equipment to reach protection power source equipment or control the technical effect of equipment into power-supply device.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (8)
1. a kind of pulling cable type submersible screw pump cable suspension well top sealing device characterized by comprising
Pedestal, the pedestal have oil outlet and intercommunicating pore, the oil outlet for being discharged petroleum, the intercommunicating pore be used for across
Cable；
Fuel-displaced portion, the fuel-displaced portion are connected to the pedestal, and the fuel-displaced portion has an oil outlet, the oil outlet with it is described fuel-displaced
Hole is interconnected, for petroleum to be discharged；
Sealing, the sealing include sealing ring and card-tight part, and the card-tight part setting is connected in the oil outlet with described
Between hole, and it is removably connected to the cable, the lower part of the card-tight part, the card-tight part tool is arranged in the sealing ring
There is through-hole, for across the cable.
2. pulling cable type submersible screw pump cable suspension well top sealing device according to claim 1, which is characterized in that
The card-tight part include the first fixed block and the second fixed block, first fixed block have first side, described second
Fixed block have second side, the first side have the first groove, the second side have the second groove, described first
Groove and second groove are oppositely arranged to form the through-hole, for across the cable.
3. pulling cable type submersible screw pump cable suspension well top sealing device according to claim 2, which is characterized in that
The card-tight part is arranged in the intercommunicating pore, and is removably connected to the pedestal.
4. pulling cable type submersible screw pump cable suspension well top sealing device according to claim 3, which is characterized in that
The fuel-displaced portion includes flowline and first flange, and one end of the flowline is fixedly connected on the pedestal, the other end
It is fixedly connected on the first flange.
5. pulling cable type submersible screw pump cable suspension well top sealing device according to claim 3, which is characterized in that
The sealing further includes second flange and connector, and the top of the pedestal is arranged in the second flange, and removable
It unloads and is connected to the pedestal, the top of the second flange is arranged in the connector, and is removably connected to second method
Orchid, for fixing the cable.
6. pulling cable type submersible screw pump cable suspension well top sealing device according to claim 5, which is characterized in that
The sealing further includes steel ring, and the junction of the second flange Yu the pedestal is arranged in the steel ring, for close
Seal the second flange and the pedestal.
7. pulling cable type submersible screw pump cable suspension well top sealing device according to claim 5, which is characterized in that
Further include:
Sebific duct, on the cables, one end of the sebific duct is removably connected to the connector to the glue pipe socket dress, and the other end connects
It is connected to power-supply device.
8. pulling cable type submersible screw pump cable suspension well top sealing device according to claim 7, which is characterized in that
Further include:
The junction of the sebific duct and power-supply device is arranged in packing box, the packing box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821206090.XU CN208564487U (en) | 2018-07-27 | 2018-07-27 | Pulling cable type submersible screw pump cable suspension well top sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821206090.XU CN208564487U (en) | 2018-07-27 | 2018-07-27 | Pulling cable type submersible screw pump cable suspension well top sealing device |
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| Publication Number | Publication Date |
|---|---|
| CN208564487U true CN208564487U (en) | 2019-03-01 |
Family
ID=65448581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821206090.XU Active CN208564487U (en) | 2018-07-27 | 2018-07-27 | Pulling cable type submersible screw pump cable suspension well top sealing device |
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| CN (1) | CN208564487U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761730A (en) * | 2018-07-27 | 2020-02-07 | 谢建勇 | Cable hanging sealing wellhead device for throwing and fishing cable type submersible screw pump cable |
-
2018
- 2018-07-27 CN CN201821206090.XU patent/CN208564487U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761730A (en) * | 2018-07-27 | 2020-02-07 | 谢建勇 | Cable hanging sealing wellhead device for throwing and fishing cable type submersible screw pump cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201118 Address after: Intercontinental building, 16 ande Road, Dongcheng District, Beijing, 100007 Patentee after: PetroChina Co.,Ltd. Address before: 831500 Unit 9, Unit 1, Building 14, Jundong Oilfield, Fukang City, Changji Hui Autonomous Prefecture, Xinjiang Uygur Autonomous Region Patentee before: Xie Jianyong Patentee before: KARAMAY SHANGZHENG PETROLEUM TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |