CN206016702U - A kind of downhole oil pipe inner cable docking facilities - Google Patents
A kind of downhole oil pipe inner cable docking facilities Download PDFInfo
- Publication number
- CN206016702U CN206016702U CN201620915459.9U CN201620915459U CN206016702U CN 206016702 U CN206016702 U CN 206016702U CN 201620915459 U CN201620915459 U CN 201620915459U CN 206016702 U CN206016702 U CN 206016702U
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- Prior art keywords
- joint
- male
- contact
- oil pipe
- female joint
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Abstract
This utility model provides a kind of downhole oil pipe inner cable docking facilities, including the female joint on well and located at the male joint of down-hole, the female joint upper end and cable connection, the male joint is connected with downhole testing instrument, electrical connection is formed after the female joint and male joint docking, and has fluid passage after docking.This utility model can be realized land cable being connected with downhole instrument in oil pipe, not only can power for downhole instrument, it is also possible to realize the transmission of information;The cable butting mode compared with traditional oil pipe outer cable with easy construction, with low cost the characteristics of;The female joint being connected with cable can be reused, and can disengage female joint and male joint by upper portable cable, can dock with the male joint of down-hole again after maintenance.
Description
Technical field
This utility model belongs to oil development technical field, and in particular to a kind of downhole oil pipe inner cable docking facilities.
Background technology
During oil exploitation, the informations such as the strata pressure to down-hole, temperature, flow are needed, and will be adopted
The information transfer of collection is to ground.
Traditional technology is gathered using down-hole and stores relevant information, through being salvaged by instrument after a period of time
Ground is read out.This technology existence information obtains the problem without real-time, the work such as further needs exist for throwing in and salvage
Cheng Zuoye, does not meet the informationalized requirement of oil well production.In addition the outer downhole cable of widely used oil pipe is powered and is communicated
Technology, the technology need the instruments such as special cable protection adnexa and cable-passing packer, and system cost is expensive, on stripper well
Cannot popularization and application.
Utility model content
The purpose of this utility model be for long term monitoring instrument under existing well power with information carrying means exist into
The difficult problem of this height, real-time Transmission.
For this purpose, this utility model provides a kind of downhole oil pipe inner cable docking facilities, including the female joint on well
With the male joint located at down-hole, the female joint upper end and cable connection, the male joint is connected with downhole testing instrument, described
Electrical connection is formed after female joint and male joint docking, and has fluid passage after docking.
Top connection that the male joint includes being sequentially connected from top to bottom, shell, lower contact, the inside the shell are provided with electrical equipment
Chamber, the top connection, lower contact are cavity structure, are provided with Seat for electric appliances between electrical equipment cavity wall and shell;
The electrical equipment intracavity is provided with and axially in parallel male contact conductor, and the outside of male contact conductor has male contact to insulate
Body, the male contact conductor lower end are connected with the first wire.
The female joint includes body, end located at body upper end, the contact base located at body lower end and is located at
The guide pipe of contact base lower end, the body, contact base are hollow structures, are provided with annular sky between the contact base inside and outside wall
Between, conductive contact is provided with annular space, this is provided with the second wire in vivo, and the cable is through end and second wire one end
Connection, the second wire other end are connected with conductive contact;
The body is provided with guide pad, and the body upper part is provided with overcurrent mouth, and the guide pipe bottom was provided with
Head piece.
The inside the shell is provided with guiding cell body, and above electric apparatus chamber, the guiding cell body is cavity structure, is oriented to cell body
Cavity radius more than electric apparatus chamber cavity radius, the inwall of the guiding cell body is provided with gathering sill, the gathering sill and female joint
The joint of the guiding Block- matching on body, the guiding cell body and electric apparatus chamber is provided with and axially in parallel male contact conductor.
Annular space is provided between the contact base inside and outside wall, in the annular space, has axially arranged insulation sleeve, described
The conductive contact of power spring and the connection of power spring lower end, the power spring upper end and the second wire is provided with insulation sleeve
The other end connects, and the insulation sleeve bottom is cased with sealing ring, and bottom is provided with diaphragm seal, the little male joint of the external diameter of the guide pipe
The cavity radius of the electric apparatus chamber of inside the shell.
The female joint includes body, end located at body upper end, the contact base located at body lower end and is located at
The guide pipe of contact base lower end, the body, contact base are hollow structures, are provided with annular sky between the contact base inside and outside wall
Between, conductive contact is provided with annular space;
The conductive contact is identical with male contact number of conductor, and the female joint and male joint are touched with public affairs by conductive contact
Dock after head conductor electrical connection.
Joint is provided between the end and body, the joint is threadedly coupled with end, body.
The beneficial effects of the utility model are:
1st, can realize land cable line being connected with downhole instrument in oil pipe, not only can power for downhole instrument,
The transmission of information can also be realized;
2nd, the cable butting mode compared with traditional oil pipe outer cable with easy construction, with low cost the characteristics of;
3rd, the female joint being connected with cable can be reused, and female joint and male joint can be made de- by upper portable cable
Open, can dock with the male joint of down-hole again after maintenance.
It is described in further details below in conjunction with accompanying drawing.
Description of the drawings
Fig. 1 is the structural representation of male joint;
Fig. 2 is Section A-A figure in Fig. 1;
Fig. 3 is the structural representation of female joint;
Fig. 4 is the structural representation after male joint is docked with female joint;
Fig. 5 is enlarged drawing at I in Fig. 4;
Section B-B figure in Fig. 6 Fig. 4.
In figure:1st, top connection;2nd, gathering sill;3rd, shell;4th, cell body is oriented to;5th, male contact conductor;6th, male contact insulator;
7th, electric apparatus chamber;8th, the first wire;9th, Seat for electric appliances;10th, lower contact;11st, cable;12nd, end;13rd, joint;14th, upper overcurrent mouth;
15th, body;16th, spring;17th, guide pad;18th, the second wire;19th, contact base;20th, power spring;21st, conductive contact;22nd, absolutely
Edge set;23rd, sealing ring;24th, diaphragm seal;25th, guide pipe;26th, lower overcurrent mouth.
Specific embodiment
Embodiment 1:
The present embodiment is powered and the high cost of information carrying means presence, in real time biography for long term monitoring instrument under existing well
A kind of defeated difficult deficiency, there is provided downhole oil pipe inner cable docking facilities, including the female joint on well and is located at down-hole
Male joint, the female joint upper end is connected with cable 11, and the male joint is connected with downhole testing instrument, the female joint and
Electrical connection is formed after male joint docking, and has fluid passage after docking.
In engineer applied, on the ground male joint is connected with the test instrunment that down-hole uses first, and by tester
The cable 11 of device is connected with wire, and afterwards male joint is connected with oil pipe G.I.H precalculated position, then by female joint and electricity
The cable 11 of 11 car of cable is connected, and female joint draws G.I.H by cable 11, and is seated in the male joint in well, and male contact is led
Body 5 is contacted with female joint, and now ground is electrically connected by the realization of docking of male joint and female joint with downhole testing instrument
Logical, such that it is able to power for downhole testing instrument, it is also possible to realize the upload of underground signal.
After male joint and female joint docking, fluid is realized flowing up and down by fluid passage, such as provides circulation for water filling
Road etc..
Embodiment 2:
On the basis of embodiment 1, a kind of downhole oil pipe inner cable docking facilities, the male joint is present embodiments provided
Including be sequentially connected from top to bottom top connection 1, shell 3, lower contact 10, be provided with electric apparatus chamber 7 in the shell 3, described on connect
1, lower contact 10 is cavity structure, is provided with Seat for electric appliances 9 between 7 inwall of electric apparatus chamber and shell 3;
It is provided with and axially in parallel male contact conductor 5 in the electric apparatus chamber 7, the outside of male contact conductor 5 has male contact exhausted
Edge body 6,5 lower end of male contact conductor are connected with the first wire 8.
Wherein, top connection 1, lower contact 10 are used for and oil pipe connection, are fixed with Seat for electric appliances 9, to downhole testing in electric apparatus chamber 7
Instrument provides power supply and information transfer channel, is used for the test instrunment for installing down-hole, 8 one end of the first wire and survey in electric apparatus chamber 7
Test instrument cable connection.
Female joint includes body 15, end 12 located at 15 upper end of body, located at 15 lower end of body contact base 19 with
And the guide pipe 25 located at 19 lower end of contact base, the body 15, contact base 19 are hollow structures, set in the contact base 19
There is conductive contact 21, in body 15, be provided with the second wire 18, the cable 11 connects through end 12 and 18 one end of the second wire
Connect, 18 other end of the second wire is connected with conductive contact 21;
Body 15 is provided with guide pad 17, and 15 top of the body is provided with overcurrent mouth 14, and 25 bottom of the guide pipe sets
There is lower overcurrent mouth 26.Wherein, there is spring 16 on guide pad 17.
Cable 11 is fixed with end 12, the other end of cable 11 is engineering winch.Mother is controlled by ground winch to connect
In head G.I.H oil pipe, and dock with the male joint of down-hole.When female joint is close with male joint, male contact conductor 5 is aligned
Conductive contact 21, continues lower section cable 11, and male contact conductor 5 is contacted with the conductive contact 21 in female joint, forms electrical connection.
Embodiment 3:
On the basis of embodiment 2, a kind of downhole oil pipe inner cable docking facilities, the shell 3 is present embodiments provided
Guiding cell body 4 is inside provided with, and above electric apparatus chamber 7, for cavity structure, the cavity radius for being oriented to cell body 4 are big for the cell body 4 that is oriented to
In the cavity radius of electric apparatus chamber 7, the inwall of the guiding cell body 4 is provided with gathering sill 2, and the gathering sill 2 is coordinated with guide pad 17 to be made
With the joint of the guiding cell body 4 and electric apparatus chamber 7 is provided with and axially in parallel male contact conductor 5.Public access header structure such as Fig. 1,
Shown in Fig. 2.
It is oriented on cell body 4 and is machined with gathering sill 2, guide pad 17 is slided into along gathering sill 2 during docking, it is ensured that male contact conductor 5
With the alignment contact of conductive contact 21 in female joint.
In the present embodiment, between 19 inside and outside wall of contact base, annular space is provided with, is had in the annular space axially arranged exhausted
Edge set 22, is provided with the conductive contact 21 of power spring 20 and the connection of 20 lower end of power spring, the conduction in the insulation sleeve 22
20 upper end of spring is connected with 18 other end of the second wire, and 22 bottom of the insulation sleeve is cased with sealing ring 23, and bottom is provided with diaphragm seal
24, the external diameter of the guide pipe 25 is not more than the cavity radius of electric apparatus chamber 7.Female joint structure is as shown in Figure 3.
When female joint is close with male joint, the guide pad 17 of female joint is entered in the gathering sill 2 of male joint so that public tactile
Head conductor 5 can be directed at conductive contact 21, continue lower section cable 11, and male contact conductor 5 punctures the diaphragm seal 24 of female joint lower end,
It is inserted into inside the insulation sleeve 22 of female joint, it is ensured that excellent sealing;By sealing ring 23, on male contact conductor 5 and female joint
Conductive contact 21 is contacted, and forms electrical connection.Docked by above cable 11, it is possible to by cable 11 realize downhole instrument with
The wire communication on ground, while can also power for downhole instrument.Structure after connection is as shown in accompanying drawing 4, Fig. 5, Fig. 6.
After male joint and female joint docking, formed by the overcurrent mouth on body 15, the inner chamber of guide pipe 25 and flow-guiding mouth
Circulation road, it is allowed to the flowing up and down of fluid, such as provides flow channels etc. for water filling.
If necessary to take out female joint, can on well head winch portable cable 11 realize male joint and female joint point
From the female joint after taking-up can be reused.
In this utility model, conductive contact 21 is identical with 5 number of male contact conductor, and the female joint and male joint are by leading
Electric contact 21 is docked with after the electrical connection of male contact conductor 5.After male joint and female joint docking, by the upper overcurrent mouth on body 15
14th, the inner chamber of guide pipe 25 and lower overcurrent mouth 26 form flow channels, it is allowed to the flowing up and down of fluid.
Joint 13, the joint 13 and end 12,15 equal screw thread of body is provided between the end 12 and body 15
Connection.
In sum, this utility model can be realized land cable 11 being connected with downhole instrument in oil pipe, not only may be used
Think that downhole instrument is powered, it is also possible to realize the transmission of information;11 docking mode of cable and traditional 11 phase of oil pipe outer cable
Than with easy construction, with low cost the characteristics of;The female joint being connected with cable 11 can be reused, can be by above carrying electricity
Cable 11 disengages female joint and male joint, can dock with the male joint of down-hole again after maintenance.
The method and structure that various embodiments above is not described in detail belongs to the common knowledge of the industry, does not chat one by one here
State.
Exemplified as above is only to illustration of the present utility model, does not constitute to protection domain of the present utility model
Limit, every design same or analogous with this utility model is belonged within protection domain of the present utility model.
Claims (7)
1. a kind of downhole oil pipe inner cable docking facilities, it is characterised in that:Including the female joint on well and located at down-hole
Male joint, the female joint upper end and cable(11)Connection, the male joint is connected with downhole testing instrument, the female joint with
Electrical connection is formed after male joint docking, and has fluid passage after docking.
2. a kind of downhole oil pipe inner cable docking facilities according to claim 1, it is characterised in that:The male joint includes
The top connection being sequentially connected from top to bottom(1), shell(3), lower contact(10), the shell(3)Electric apparatus chamber is inside provided with(7), institute
State top connection(1), lower contact(10)It is cavity structure, electric apparatus chamber(7)Inwall and shell(3)Between be provided with Seat for electric appliances(9);
The electric apparatus chamber(7)Inside it is provided with and axially in parallel male contact conductor(5), male contact conductor(5)Outside have male contact
Insulator(6), the male contact conductor(5)Lower end is connected with the first wire(8).
3. a kind of downhole oil pipe inner cable docking facilities according to claim 1, it is characterised in that:The female joint includes
Body(15), located at body(15)The end of upper end(12), be located at body(15)The contact base of lower end(19)And located at tactile
Headstock(19)The guide pipe of lower end(25), the body(15), contact base(19)It is hollow structure, the contact base(19)Interior
Annular space is provided between outer wall, is provided with conductive contact in annular space(21), body(15)Second wire is inside provided with(18), institute
State cable(11)Pass through end(12)With the second wire(18)One end connects, the second wire(18)The other end and conductive contact
(21)Connection;
The body(15)It is provided with guide pad(17), the body(15)Top is provided with overcurrent mouth(14), the guide pipe
(25)Bottom is provided with lower overcurrent mouth(26).
4. a kind of downhole oil pipe inner cable docking facilities according to claim 2, it is characterised in that:The shell(3)Interior
It is provided with guiding cell body(4), positioned at electric apparatus chamber(7)Top, the guiding cell body(4)For cavity structure, cell body is oriented to(4)Cavity
Radius is more than electric apparatus chamber(7)Cavity radius, the guiding cell body(4)Inwall be provided with gathering sill(2), the gathering sill(2)With
Female joint body(15)On guide pad(17)Coupling, the guiding cell body(4)And electric apparatus chamber(7)Joint be provided with and axial direction
Parallel male contact conductor(5).
5. a kind of downhole oil pipe inner cable docking facilities according to claim 3, it is characterised in that:The contact base(19)
Annular space is provided between inside and outside wall, has axially arranged insulation sleeve in the annular space(22), the insulation sleeve(22)Inside set
There is power spring(20), and power spring(20)The conductive contact of lower end connection(21), the power spring(20)Upper end and the
Two wires(18)The other end connects, the insulation sleeve(22)Bottom is cased with sealing ring(23), bottom is provided with diaphragm seal(24), described
Guide pipe(25)The little male joint shell of external diameter(3)Interior electric apparatus chamber(7)Cavity radius.
6. a kind of downhole oil pipe inner cable docking facilities according to claim 5, it is characterised in that:The female joint includes
Body(15), located at body(15)The end of upper end(12), be located at body(15)The contact base of lower end(19)And located at tactile
Headstock(19)The guide pipe of lower end(25), the body(15), contact base(19)It is hollow structure, the contact base(19)Interior
Annular space is provided between outer wall, is provided with conductive contact in annular space(21);
The conductive contact(21)With male contact conductor(5)Number is identical, and the female joint and male joint pass through conductive contact
(21)With male contact conductor(5)Dock after electrical connection.
7. a kind of downhole oil pipe inner cable docking facilities according to claim 2, it is characterised in that:The end(12)
With body(15)Between be provided with joint(13), the joint(13)With end(12), body(15)It is threadedly coupled.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620915459.9U CN206016702U (en) | 2016-08-22 | 2016-08-22 | A kind of downhole oil pipe inner cable docking facilities |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620915459.9U CN206016702U (en) | 2016-08-22 | 2016-08-22 | A kind of downhole oil pipe inner cable docking facilities |
Publications (1)
Publication Number | Publication Date |
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CN206016702U true CN206016702U (en) | 2017-03-15 |
Family
ID=58250530
Family Applications (1)
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CN201620915459.9U Withdrawn - After Issue CN206016702U (en) | 2016-08-22 | 2016-08-22 | A kind of downhole oil pipe inner cable docking facilities |
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CN (1) | CN206016702U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106150394A (en) * | 2016-08-22 | 2016-11-23 | 中国石油天然气股份有限公司 | A kind of downhole oil pipe inner cable docking facilities |
CN111255386A (en) * | 2020-01-15 | 2020-06-09 | 大庆黑帝庙稠油试采技术开发有限公司 | Horizontal well segmented oil production process pipe column |
CN112406149A (en) * | 2020-10-27 | 2021-02-26 | 南通市华业石油机械有限公司 | Preparation method of lining oil pipe capable of transmitting signals |
-
2016
- 2016-08-22 CN CN201620915459.9U patent/CN206016702U/en not_active Withdrawn - After Issue
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106150394A (en) * | 2016-08-22 | 2016-11-23 | 中国石油天然气股份有限公司 | A kind of downhole oil pipe inner cable docking facilities |
CN106150394B (en) * | 2016-08-22 | 2018-11-16 | 中国石油天然气股份有限公司 | A kind of downhole oil pipe inner cable docking facilities |
CN111255386A (en) * | 2020-01-15 | 2020-06-09 | 大庆黑帝庙稠油试采技术开发有限公司 | Horizontal well segmented oil production process pipe column |
CN112406149A (en) * | 2020-10-27 | 2021-02-26 | 南通市华业石油机械有限公司 | Preparation method of lining oil pipe capable of transmitting signals |
CN112406149B (en) * | 2020-10-27 | 2023-10-31 | 南通市华业石油机械有限公司 | Preparation method of lining oil pipe capable of transmitting signals |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20170315 Effective date of abandoning: 20181116 |
|
AV01 | Patent right actively abandoned |