CN206076604U - Apply the sealing device in electrodrill cable plug - Google Patents
Apply the sealing device in electrodrill cable plug Download PDFInfo
- Publication number
- CN206076604U CN206076604U CN201621032290.9U CN201621032290U CN206076604U CN 206076604 U CN206076604 U CN 206076604U CN 201621032290 U CN201621032290 U CN 201621032290U CN 206076604 U CN206076604 U CN 206076604U
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- Prior art keywords
- plug
- electric
- recess
- conductor
- pipe nipple
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of sealing device applied in electrodrill cable plug, including：First joint pipe nipple, the first plug being arranged in the first joint pipe nipple, one end of the first plug have lobe, and the first electric-conductor is provided with lobe；Second joint pipe nipple, the second plug being arranged in the second joint pipe nipple, one end of second plug is provided with the recess being adapted with lobe, recess is internally provided with the second electric-conductor, sealing member is provided with the side wall of recess and spacing collar of the sealing member away from recess side is arranged on, recess interior energy is filled with megohmite insulant；When the first plug is docked with the second plug, there is between the side wall of the partial sidewall and recess of lobe gap, there is on the first plug and/or the second plug first passage and second channel.This application can effectively reduce the probability that plug is intake in the sealing device of electrodrill cable plug.
Description
Technical field
This utility model is related to oil and gas well drilling technical field, and more particularly to one kind is applied and inserted in electrodrill cable
The sealing device of head.
Background technology
Downhole electric drilling tool is the drilling equipment with submersible electric motor in driving by bottom hole bit, and which is typically used for directly
In well, directional well and horizontal well operations.Electrodrill passes through electric power for driving force, and the main advantage for comparing typical well has：Bore
The rotating speed of tool, moment of torsion and other specification are unrelated with the injection rate of drilling fluid, viscosity and physicochemical property, only relevant with motor performance.
Reacting cycle can be carried out compared to traditional helicoid hydraulic motor and turbodrill.Because being alternatively arranged as underground measuring instrument using driven by power
The power supply of device is used, and the working time of measuring instrument can be made to lengthen significantly.
But, the electric power needed for electrodrill operating needs to pass to downhole electric machine by cable from ground, so needing
Common drilling rod is transformed, existing method is, in two ends of drill erection joint pipe nipple, to be provided with cable and insert in pipe nipple at present
Head.When jointed rod, cable plug completes grafting simultaneously.In drilling operation course, plug is powered always, meanwhile, boring
Also full of drilling fluid in bar, if now drilling fluid slowly penetrates into plug and will necessarily cause short circuit, electricity can be not only caused
The damage of dynamic drilling tool, it is also possible to the injures and deaths of personnel can be caused.
Utility model content
In order to overcome the drawbacks described above of prior art, this utility model embodiment technical problem to be solved there is provided
A kind of sealing device applied in electrodrill cable plug, which can effectively reduce the probability of plug water inlet.
The concrete technical scheme of this utility model embodiment is：
A kind of sealing device applied in electrodrill cable plug, it includes：
First joint pipe nipple, the first plug being arranged in the first joint pipe nipple, one end tool of first plug
There is lobe, in the lobe, be provided with the first electric-conductor；
Second joint pipe nipple, the second plug being arranged in the second joint pipe nipple, one end of second plug set
It is equipped with the recess being adapted with the lobe, the recess is internally provided with the second electric-conductor, the recess
Sealing member is provided with the wall of side and spacing collar of the sealing member away from the recess side, the recess interior energy is arranged on
Filled with megohmite insulant；
When first plug is docked with second plug, the partial sidewall of the lobe and the recess
There is between the wall of side gap, there is on first plug and/or the second plug first passage and second channel, described second leads to
Road can import hydraulic pressure into the gap so that the spacing collar promote sealing member to be positioned and be sealed, the first passage
The gas and/or the megohmite insulant in the recess can be discharged.
In one preferred embodiment, the megohmite insulant is insulation grease.
In one preferred embodiment, first electric-conductor is arranged on the lateral wall of the lobe, described
Second electric-conductor is arranged on the medial wall of the recess.
In one preferred embodiment, first electric-conductor and second electric-conductor are made of copper.
In one preferred embodiment, the inside of first plug and second plug is respectively arranged with electricity
Cable, cable are connected with first electric-conductor and the second electric-conductor respectively.
In one preferred embodiment, when the second joint pipe nipple is relative with the first joint pipe nipple to be connect,
Second plug is relative with first plug to be connect.
In one preferred embodiment, open with first around its axis distribution on the wall of the first joint pipe nipple side
Mouthful, the first opening interior energy insertion arranges the first fixture, has the first raised connection on the side wall of first plug
Portion, first fixture are connected by bolt with the first connecting portion.
In one preferred embodiment, open with second around its axis distribution on the wall of the second joint pipe nipple side
Mouthful, the second opening interior energy insertion arranges the second fixture, has the second raised connection on the side wall of second plug
Portion, second fixture are connected by bolt with the second connecting portion.
In one preferred embodiment, the two ends that the first joint pipe nipple is mutually deviated from the second joint pipe nipple
It is connected with drilling rod, the cable being connected with second electric-conductor and the first electric-conductor is arranged inside the drilling rod respectively.
In one preferred embodiment, second electric-conductor is arranged on the bottom of the recess and the sealing
Between part.
In one preferred embodiment, the sealing member is seal rubber sleeve.
In one preferred embodiment, the first passage is located on first plug, and the first passage connects
Lead to the top of the lobe and the side wall of first plug.
In one preferred embodiment, the second channel is located on first plug, when first plug
When docking with second plug, the second channel can connect the side wall in the gap and first plug.
The technical solution of the utility model has following notable beneficial effect：
Before first plug is docked with second plug, one is inserted in the bottom of the recess of second plug
Quantitative megohmite insulant, when first plug is docked with second plug, second channel can be imported into the gap
Hydraulic pressure so that the spacing collar promote sealing member to be positioned and be sealed, the first passage can be discharged in the recess
Gas and/or megohmite insulant.After docking, as second electric-conductor and the first electric-conductor are arranged on the bottom of the recess
Between end and the sealing member, the side of the second electric-conductor and the first electric-conductor is entered by megohmite insulant using the bottom of recess
Row sealing is simultaneously insulated, and the opposite side of the second electric-conductor and the first electric-conductor is then close to carry out insulation by spacing collar promotion sealing member
Envelope, thus, drilling fluid cannot be introduced into the first plug and the second plug and cause short after the second electric-conductor and the connection of the first electric-conductor
Road.
Description of the drawings
Accompanying drawing described here is only used for task of explanation, and is not intended to by any way limit disclosed in this utility model
Scope.In addition, shape and proportional sizes of each part in figure etc. are only schematic, it is used to help to reason of the present utility model
Solution, is not the shape and proportional sizes for specifically limiting each part of this utility model.Those skilled in the art is new in this practicality
Under the teaching of type, various possible shapes and proportional sizes can be selected as the case may be to implement this utility model.
Fig. 1 is the overall structure diagram after docking in this utility model embodiment.
Fig. 2 is the structural representation of the first joint pipe nipple and its inside in this utility model embodiment.
Fig. 3 is the structural representation of the second joint pipe nipple and its inside in this utility model embodiment.
Fig. 4 is the schematic diagram before the first plug in this utility model embodiment and the installation of the second plug.
Fig. 5 is the schematic diagram after the first plug in this utility model embodiment and the installation of the second plug.
Fig. 6 is the structural representation of the first plug in this utility model embodiment.
Fig. 7 is the structural representation of the second plug in this utility model embodiment.
The reference of the figures above：
1st, the first joint pipe nipple；101st, the first opening；102nd, the first fixture；2nd, the first plug；21st, lobe；22nd,
One connecting portion；3rd, the first electric-conductor；4th, the second joint pipe nipple；401st, the second opening；402nd, the second fixture；5th, the second plug；
51st, recess；52nd, second connecting portion；6th, the second electric-conductor；7th, sealing member；8th, spacing collar；9th, megohmite insulant；10th, gap；11、
First passage；12nd, second channel；13rd, cable；14th, bolt；15th, drilling rod；16th, drilling fluid.
Specific embodiment
With reference to the description of accompanying drawing and this utility model specific embodiment, clearly can understand of the present utility model
Details.But, specific embodiment of the present utility model described here is not only used for explaining the purpose of this utility model, and not
Can be understood as by any way being to restriction of the present utility model.Under teaching of the present utility model, technical staff is contemplated that
Based on arbitrarily possible deformation of the present utility model, these are regarded as belonging to scope of the present utility model.
Fig. 1 is the overall structure diagram after docking in this utility model embodiment, as shown in figure 1, applicant proposed
A kind of sealing device applied in 13 plug of electrodrill cable, it includes：First joint pipe nipple 1, is arranged on the first joint short
The first plug 2 in section 1, one end of the first plug 2 has lobe 21, the first electric-conductor 3 is provided with lobe 21；Second
Joint pipe nipple 4, the second plug 5 being arranged in the second joint pipe nipple 4, one end of the second plug 5 are provided with and 21 phase of lobe
The recess 51 of adaptation, recess 51 are internally provided with the second electric-conductor 6, are provided with sealing member 7 on the side wall of recess 51
Be arranged on spacing collar 8 of the sealing member 7 away from 51 side of recess, 51 interior energy of recess is filled with megohmite insulant 9；When first insert
2 when docking with the second plug 5, has gap 10 between the side wall of the partial sidewall and recess 51 of lobe 21, and first inserts
2 and/or second there is first passage 11 and second channel 12 on plug 5, second channel 12 can import hydraulic pressure into gap 10
So that spacing collar 8 promote sealing member 7 to be positioned and be sealed, first passage 11 can discharge the gas in recess 51 and/or
Megohmite insulant 9.
Fig. 4 is the schematic diagram before the first plug 2 in this utility model embodiment and the installation of the second plug 5, as shown in figure 4,
Before the first plug 2 is docked with the second plug 5, i.e. when the first joint pipe nipple 1 and the second joint pipe nipple 4 are separated, can be
Insert a certain amount of megohmite insulant 9 in the bottom of the recess 51 of two plugs 5.The megohmite insulant 9 can be in a liquid state or have one
Determine the glue of viscosity.When the first plug 2 is docked with the second plug 5, by the second plug 5 during the second plug 5 of insertion of the first plug 2
The megohmite insulant 9 that may be adhered on the second electric-conductor 6 on recess 51 is shaved.Meanwhile, second channel 12 can be into gap 10
Hydraulic pressure is imported so that spacing collar 8 promotes sealing member 7 to produce deformation to be positioned and sealed and caused the part side of lobe 21
Gap 10 between the side wall of wall and recess 51 disappears, and first passage 11 can then discharge the gas in recess 51 and/or many
Remaining megohmite insulant 9, thus, realizing the docking of the first plug 2 and the second plug 5.Fig. 5 is first in this utility model embodiment
Schematic diagram after plug 2 and the installation of the second plug 5, as shown in figure 5, after docking, due to the second electric-conductor 6 and the first electric-conductor
Between 3 bottoms for being arranged on recess 51 and sealing member 7, the side of the second electric-conductor 6 and the first electric-conductor 3 utilizes recess 51
Bottom sealed and insulated by megohmite insulant 9, the opposite side of the second electric-conductor 6 and the first electric-conductor 3 is then by spacing
Circle 8 promotes sealing member 7 to carry out insulated enclosure, thus, drilling fluid 16 cannot after the second electric-conductor 6 and the first electric-conductor 3 connect
Cause short circuit into the first plug 2 and the second plug 5.After so, in drilling operation course, plug is powered always, i.e.,
Make drilling fluid 16 is full of in drilling rod 15, now drilling fluid 16 is difficult to slowly penetrate into plug, effectively reduces and causes short circuit
Probability, can avoid causing the damage of electrodrill and cause casualties.
For the sealing device applied in 13 plug of electrodrill cable being better understood by this utility model, below will
Which is made further explanation and description.Fig. 2 is that the structure of the first joint pipe nipple 1 and its inside in this utility model embodiment is shown
It is intended to, as shown in figure 1, the first joint pipe nipple 1 is internally provided with the first plug 2, specifically, on 1 side wall of the first joint pipe nipple
With the first opening 101 around its axis distribution, the first opening 101 interior energies insertion arranges the first fixture 102, the first plug 2
Side wall on there is raised first connecting portion 22.Through hole is offered in first connecting portion 22 and the first fixture 102, so
First fixture 102 is connected by bolt 14 with first connecting portion 22.
One end of first plug 2 has lobe 21, the lobe 21 for 5 recess of the second plug, 51 company of being engaged
Connect.The first electric-conductor 3 is provided with lobe 21.First electric-conductor 3 can be arranged on the lateral wall of lobe 21.The
One electric-conductor 3 is typically made of copper.First electric-conductor 3 may be located at the centre position of lateral wall.Close the first of lobe 21
There is at joint pipe nipple 1 step.Meanwhile, can have first passage 11 and/or second channel 12 on the first plug 2, when
When first plug 2 is docked with the second plug 5, there is between the side wall of the partial sidewall and recess 51 of lobe 21 gap 10,
Second channel 12 can import hydraulic pressure into gap 10 so that spacing collar 8 promote sealing member 7 to be positioned and be sealed, first passage
11 can discharge the gas in recess 51 and/or megohmite insulant 9.Under a feasible embodiment, first passage 11 is located at
On first plug 2, first passage 11 connects the top of lobe 21 and the side wall of the first plug 2.Second channel 12 is located at first
On plug 2, when the first plug 2 is docked with the second plug 5, the side wall of 12 communication gap 10 of second channel and the first plug 2.
Fig. 3 is the structural representation of the second joint pipe nipple 4 and its inside in this utility model embodiment, as shown in figure 3, the
Two joint pipe nipples 4 are internally provided with the second plug 5, specifically, with around its axis distribution on 4 side wall of the second joint pipe nipple
Second opening 401, the second opening 401 interior energies insertion arrange the second fixture 402, have raised on the side wall of the second plug 5
Second connecting portion 52.Through hole is offered in second connecting portion 52 and the second fixture 402, so that the second fixture 402
Can be connected by bolt 14 with second connecting portion 52.
Second plug 5 is arranged in the second joint pipe nipple 4, and one end of the second plug 5 is provided with and is adapted with lobe 21
Recess 51, recess 51 is internally provided with the second electric-conductor 6.Second electric-conductor 6 is arranged on the medial wall of recess 51
On.Meanwhile, the second electric-conductor 6 is arranged between the bottom of recess 51 and sealing member 7.Second electric-conductor 6 is typically made of copper.
Sealing member 7 is provided with the side wall of recess 51 and spacing collar 8 of the sealing member 7 away from 51 side of recess, recess is arranged on
51 interior energies are filled with megohmite insulant 9.Sealing member 7 can be seal rubber sleeve.When the second joint pipe nipple 4 and 1 phase of the first joint pipe nipple
During docking, the second plug 5 is relative with the first plug 2 to be connect.Now, as the first electric-conductor 3 is located at the centre of lobe 21, second
Electric-conductor 6 is located between the bottom of recess 51 and sealing member 7, can be turned on when the first electric-conductor 3 is contacted with the second electric-conductor 6
During electric current, the first electric-conductor 3 effectively can be sealed with 6 two ends of the second electric-conductor.At one preferred embodiment
In, the back-up ring being fixed to sealing member 7 is also provided between sealing member 7 and spacing collar 8.Above-mentioned megohmite insulant 9 is needed
The liquid or colloid substance met by insulation, generally insulate grease, and insulation grease is one kind by inorganic thickening agent
Thickening modified silicon oil simultaneously adds the multiple additives such as antioxidation, anticorrosion, using the silicone grease that is electrically insulated made by Jing special process.
Can also have first passage 11 and/or second channel 12 on the second plug 5, when the first plug 2 and second is inserted
During 5 docking, there is between the side wall of the partial sidewall and recess 51 of lobe 21 gap 10, second channel 12 can be to gap
Hydraulic pressure are imported in 10 so that spacing collar 8 promotes sealing member 7 to be positioned and be sealed, first passage 11 can be discharged in recess 51
Gas and/or megohmite insulant 9.Under a feasible embodiment, first passage 11 is located on the second plug 5, and first leads to
The bottom of the connection of road 11 recess 51 and the side wall of the second plug 5.Second channel 12 can also be located on the second plug 5, when the
When one plug 2 is docked with the second plug 5, the side wall of 12 communication gap 10 of second channel and the second plug 5.
In one preferred embodiment, the inside of the first plug 2 and the second plug 5 is respectively arranged with cable 13, electricity
Cable 13 is connected with the first electric-conductor 3 and the second electric-conductor 6 respectively.Fig. 6 is the knot of the first plug 2 in this utility model embodiment
Structure schematic diagram, Fig. 7 are the structural representation of the second plug 5 in this utility model embodiment, as shown in Figure 6 and Figure 7, the first joint
Pipe nipple 1 is connected with drilling rod 15 with the two ends for mutually deviating from of the second joint pipe nipple 4, with 3 phase of the second electric-conductor 6 and the first electric-conductor
The cable 13 of connection is arranged inside drilling rod 15 respectively, thus, passing through the first joint pipe nipple 1 and the second joint pipe nipple in drilling rod 15
After 4 connections, cable 13 reaches the purpose of conveying electric current after the first plug 2 and the second plug 5 connect.
In the description of the present application, it should be noted that unless otherwise prescribed and limit, term " installation ", " being connected ",
" connection " should be interpreted broadly, for example, it may be mechanically connected or electrical connection, or the connection of two element internals, can
Being to be joined directly together, it is also possible to be indirectly connected to by intermediary, for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term.
Each embodiment in this specification is described by the way of progressive, what each embodiment was stressed be with
The difference of other embodiment, between each embodiment identical similar part mutually referring to.
Above-described embodiment only to illustrate technology design of the present utility model and feature, its object is to allow and be familiar with technique
Personage will appreciate that content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this.
All equivalence changes made according to this utility model spirit or modification, should all cover protection domain of the present utility model it
It is interior.
Claims (13)
1. a kind of sealing device applied in electrodrill cable plug, it is characterised in that it includes：
First joint pipe nipple, the first plug being arranged in the first joint pipe nipple, one end of first plug have convex
The portion of rising, is provided with the first electric-conductor in the lobe；
Second joint pipe nipple, the second plug being arranged in the second joint pipe nipple, one end of second plug are provided with
The recess being adapted with the lobe, the recess are internally provided with the second electric-conductor, the side wall of the recess
On be provided with sealing member and be arranged on spacing collar of the sealing member away from the recess side, the recess interior energy filling
There is megohmite insulant；
When first plug is docked with second plug, the side wall of the partial sidewall of the lobe and the recess
Between there is gap, there is on first plug and/or the second plug first passage and second channel, the second channel energy
Into the gap import hydraulic pressure so that the spacing collar promote sealing member to be positioned and be sealed, the first passage can be arranged
The gas gone out in the recess and/or the megohmite insulant.
2. the sealing device in electrodrill cable plug is applied according to claim 1, it is characterised in that the insulant
Matter is insulation grease.
3. the sealing device in electrodrill cable plug is applied according to claim 1, it is characterised in that described first leads
Electric part is arranged on the lateral wall of the lobe, and second electric-conductor is arranged on the medial wall of the recess.
4. the sealing device in electrodrill cable plug is applied according to claim 1, it is characterised in that described first leads
Electric part and second electric-conductor are made of copper.
5. the sealing device in electrodrill cable plug is applied according to claim 1, it is characterised in that described first inserts
The inside of head and second plug is respectively arranged with cable, and cable is connected with first electric-conductor and the second electric-conductor respectively
Connect.
6. the sealing device in electrodrill cable plug is applied according to claim 1, it is characterised in that when described second
Joint pipe nipple is relative with the first joint pipe nipple when connecing, and second plug is relative with first plug to be connect.
7. the sealing device in electrodrill cable plug is applied according to claim 1, it is characterised in that described first connects
With the first opening around its axis distribution on the wall of head pipe nipple side, the first opening interior energy insertion arranges the first fixture, institute
State, first fixture passes through bolt with the first connecting portion
It is connected.
8. the sealing device in electrodrill cable plug is applied according to claim 1, it is characterised in that described second connects
With the second opening around its axis distribution on the wall of head pipe nipple side, the second opening interior energy insertion arranges the second fixture, institute
State, second fixture passes through bolt with the second connecting portion
It is connected.
9. the sealing device in electrodrill cable plug is applied according to claim 5, it is characterised in that described first connects
The two ends that head pipe nipple is mutually deviated from the second joint pipe nipple are connected with drilling rod, with second electric-conductor and the first electric-conductor
The cable being connected is arranged inside the drilling rod respectively.
10. the sealing device in electrodrill cable plug is applied according to claim 1, it is characterised in that described second
Electric-conductor is arranged between the bottom of the recess and the sealing member.
11. apply the sealing device in electrodrill cable plug according to claim 1, it is characterised in that the sealing
Part is seal rubber sleeve.
12. apply the sealing device in electrodrill cable plug according to claim 1, it is characterised in that described first
Passage is located on first plug, and the first passage connects the top of the lobe and the side wall of first plug.
13. apply the sealing device in electrodrill cable plug according to claim 1, it is characterised in that described second
Passage is located on first plug, and when first plug is docked with second plug, the second channel can be connected
The side wall of the gap and first plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621032290.9U CN206076604U (en) | 2016-08-31 | 2016-08-31 | Apply the sealing device in electrodrill cable plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621032290.9U CN206076604U (en) | 2016-08-31 | 2016-08-31 | Apply the sealing device in electrodrill cable plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206076604U true CN206076604U (en) | 2017-04-05 |
Family
ID=58436566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621032290.9U Withdrawn - After Issue CN206076604U (en) | 2016-08-31 | 2016-08-31 | Apply the sealing device in electrodrill cable plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206076604U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252972A (en) * | 2016-08-31 | 2016-12-21 | 中国石油天然气集团公司 | Apply the sealing device at electrodrill cable plug |
-
2016
- 2016-08-31 CN CN201621032290.9U patent/CN206076604U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252972A (en) * | 2016-08-31 | 2016-12-21 | 中国石油天然气集团公司 | Apply the sealing device at electrodrill cable plug |
| CN106252972B (en) * | 2016-08-31 | 2019-04-09 | 中国石油天然气集团有限公司 | Apply the sealing device in electrodrill cable plug |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100007 Dongzhimen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: Drilling Engineering Technology Research Institute, China National Petroleum Corp. Patentee after: China Petroleum and Natural Gas Group Co., Ltd. Address before: 100007 Dongzhimen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: Drilling Engineering Technology Research Institute, China National Petroleum Corp. Patentee before: China National Petroleum Corporation |
|
| CP01 | Change in the name or title of a patent holder | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170405 Effective date of abandoning: 20190409 |
|
| AV01 | Patent right actively abandoned |