CN108071351B - A kind of electrodrill joint structure - Google Patents
A kind of electrodrill joint structure Download PDFInfo
- Publication number
- CN108071351B CN108071351B CN201711295117.7A CN201711295117A CN108071351B CN 108071351 B CN108071351 B CN 108071351B CN 201711295117 A CN201711295117 A CN 201711295117A CN 108071351 B CN108071351 B CN 108071351B
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- China
- Prior art keywords
- conductive electrode
- female
- male connector
- interior bar
- ring
- Prior art date
- 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.)
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- 238000005553 drilling Methods 0.000 claims abstract description 49
- 239000002184 metal Substances 0.000 claims abstract description 19
- 238000007790 scraping Methods 0.000 claims abstract description 19
- 239000000428 dust Substances 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 238000009413 insulation Methods 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 11
- 239000007789 gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/006—Accessories for drilling pipes, e.g. cleaners
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/028—Electrical or electro-magnetic connections
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention belongs to electrodrill fields, and disclose a kind of electrodrill joint structure, the drilling rod to link together including more, every drilling rod includes shell, interior bar, dust scraping ring, hollow metal O-ring, one end setting of interior bar is fluted to make this end form female, the other end of interior bar is set as the male connector to match with the female, the side of male connector is respectively arranged with the first positive conductive electrode and the first negative conductive electrode, the second positive conductive electrode and the second negative conductive electrode are provided in female, there are gaps between dust scraping ring and the gasket；Hollow metal O-ring is mounted on the end of the female；The side of male connector is provided with the multiple first O-shaped rubber seal.The present invention can prevent from water from entering in female allowing positive and negative conductive electrode to be connected, play duplicate protection, guarantee High-Voltage Insulation requirement, and to prevent moisture film from generating, in the place close to conductive electrode provided with through-hole, and be able to achieve the automatically cleaning of male connector and female.
Description
Technical field
The invention belongs to electrodrill fields, more particularly, to a kind of electrodrill joint structure.
Background technique
With the development of economy, oil/gas drilling quantity quicklys increase, this also pushes drilling mode to change, and without brill
Extra small wellbore boring method in shaft drilling technology is the revolution in drilling technology.Without drilling machine drilling apparatus without drilling machine and well
Frame significantly improves drilling environment, simplifies the process flow of probing, advances the automation of drilling process.And electric drill
High-voltage electricity is transmitted to driving bit broken rock from drill bit by cable from ground by tool drilling rod, is the important of no drilling machine drilling apparatus
Component part.
But there is following problems for present electrodrill joint structure: the sealing performance between drilling rod is bad, insulation
Performance is poor, and reliability is not high.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of electrodrill joint structures, both
It can satisfy the requirement of down-hole high pressure environment, and can guarantee the insulation between positive and negative electrode, and pass through dust scraping ring etc. structure
The automatically cleaning for realizing connector, reduces the installation and replacement time of equipment.
To achieve the above object, it is proposed, according to the invention, provide a kind of electrodrill joint structure, including more are connected to one
The drilling rod risen, which is characterized in that
The every drilling rod includes shell, interior bar, dust scraping ring, hollow metal O-ring, wherein
The interior bar is located in the shell and is mounted on the inner wall of the shell；
One end setting of the interior bar is fluted to make this end form female, and the other end of the interior bar is set as and institute
The male connector of female matching is stated, is cooperated so that the male connector of a wherein drilling rod can be protruded into the female of drilling rod adjacent thereto, and
The side of the male connector is respectively arranged with the first positive conductive electrode and the first negative conductive electrode, and it is positive conductive that second is provided in the female
Pole and the second negative conductive electrode, and the second positive conductive electrode and the second negative conductive electrode are negative with the described first positive conductive electrode and first respectively
Conductive electrode electrical connection；The first positive conductive electrode on adjacent two drilling rod is contacted with the second positive conductive electrode and the first negative conductive electrode and second
Negative conductive electrode contact
The dust scraping ring and the gasket are separately positioned on the inner wall of the female and there is gap between the two, with
The dirt for the male connector side for allowing dust scraping ring to wipe off is fallen into the gap；
The hollow metal O-ring is mounted on the end of the female, is contacted with the male connector in adjacent two drilling rod with female
When seal；
The side of the male connector is provided with the multiple first O-shaped rubber seal, and the first positive conductive electrode and first negative is led
One first O-shaped rubber seal is at least set between electrode, for striking off the dirt on the female inner wall and preventing
The first positive conductive electrode only in male connector is connected with the first negative conductive electrode.
Preferably, adjacent two drilling rods are linked together by taper thread.
Preferably, the both ends of the interior bar pass through the first fixed disk respectively and the second fixed disk is mounted on the interior of the shell
On wall, and the both ends of the interior bar are each passed through the first fixed disk and the second fixed disk.
Preferably, the second O-shaped rubber seal is additionally provided on the inner wall of the female, in the hollow metal
O-ring plays sealing function when failing.
Preferably, it is additionally provided with holding tank on the inner wall of the female, to wipe off for accommodating the first O-shaped rubber seal
Female on dirt.
Preferably, along the through-hole that has been arranged radially of the interior bar in the male connector, and the through-hole is located at described first
Between positive conductive electrode and the first negative conductive electrode, the first positive conductive electrode and the first negative conduction is connected for preventing moisture film
Pole.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, can obtain down and show
Beneficial effect:
(1) high pressure sealing is solved the problems, such as
It is sealed for the first time by hollow metal O-ring, is in addition the reliability for guaranteeing sealing, in hollow metal O-ring
Below along with one layer of O-ring is sealed, prevents water from entering in female and positive and negative conductive electrode is allowed to be connected, play the work of duplicate protection
With.
(2) the anti-breakdown problem of high voltage is solved
First rubber o-ring is set in male connector, guarantees High-Voltage Insulation requirement, and to prevent moisture film from generating, is being leaned on
The place of nearly conductive electrode is provided with through-hole.
(3) automatically cleaning is solved the problems, such as
The dirt (silt and water) in male connector is scraped off using dust scraping ring, and the dirt (silt and water) in female is by public
First rubber o-ring of head front end is squeezed at the reserved space of female bottom, realizes the automatically cleaning of male connector and female.
Detailed description of the invention
Fig. 1 is the schematic diagram of adjacent two drilling rod junctions in the present invention；
Fig. 2 is the schematic diagram of male connector one end of drilling rod in the present invention；
Fig. 3 is the schematic diagram of female one end of drilling rod in the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
Referring to Fig.1~Fig. 3, a kind of electrodrill joint structure, the drilling rod to link together including more, the every brill
Bar includes shell 1, interior bar 2, dust scraping ring 9, hollow metal O-ring 11, wherein
The interior bar 2 is located in the shell 1 and is mounted on the inner wall of the shell 1；
One end setting of the interior bar 2 is fluted to make this end form female 5, and the other end of the interior bar 2 is set as
The male connector 6 to match with the female 5 is matched so that the male connector 6 of a wherein drilling rod can be protruded into the female 5 of drilling rod adjacent thereto
It closes, and the side of the male connector 6 is respectively arranged with the first positive conductive electrode 3 and the first negative conductive electrode 4, is arranged in the female 5
There are the second positive conductive electrode and the second negative conductive electrode, and the second positive conductive electrode and the second negative conductive electrode are just being led with described first respectively
Electrode 3 and the first negative conductive electrode 4 are electrically connected；The first positive conductive electrode 3 on adjacent two drilling rod contacts and with the second positive conductive electrode
One negative conductive electrode 4 is contacted with the second negative conductive electrode
The dust scraping ring 9 and the gasket 10 are separately positioned on the inner wall of the female 5 and between existing between the two
Gap is fallen into the gap with the dirt for 6 side of male connector for allowing dust scraping ring 9 to wipe off；
The hollow metal O-ring 11 is mounted on the end of the female 5, in the male connector 6 of adjacent two drilling rod and female 5
It seals when contact；
The side of the male connector 6 is provided with the multiple first O-shaped rubber seal 8, and the first positive conductive electrode 3 and first is negative
One first O-shaped rubber seal 8 is at least set between conductive electrode 4, for striking off the dirt on 5 inner wall of female
And the in male connector 6 first positive conductive electrode 3 and the first negative conductive electrode 4 is prevented to be connected.
Further, adjacent two drilling rods are linked together by taper thread.
Further, the both ends of the interior bar 2 pass through the first fixed disk 7 respectively and the second fixed disk 14 is mounted on the shell
On 1 inner wall, and the both ends of the interior bar 2 are each passed through the first fixed disk 7 and the second fixed disk 14.
Further, the second O-shaped rubber seal 8-5 is additionally provided on the inner wall of the female 5, for described hollow
Metal-O-ring 11 plays sealing function when failing.
Further, it is additionally provided with holding tank on the inner wall of the female 5, to scrape for accommodating the first O-shaped rubber seal 8
The dirt in female 5 fallen.
Further, in the male connector 6 along the through-hole that has been arranged radially of the interior bar 2, and the through-hole is located at described the
Between one positive conductive electrode 3 and the first negative conductive electrode 4, the first positive conductive electrode 3 and first negative is connected for preventing moisture film
Conductive electrode 4.
The drilling rod shell 1 is the supportive body of the structure, can install fixed disk, and both ends design thereon has step
And threaded hole, the positioning to fixed disk may be implemented, convenient for the handling of fixed disk.
The male connector 6 and female 5, is the main body of joint structure, and joint material is rubber, is guaranteed exhausted on the inside of conductive electrode
Edge.It designs fluted in female 5, installation and positioning to dust scraping ring 9 may be implemented, convenient for the handling of dust scraping ring 9.In male connector 6
It also is provided with groove, the installation and positioning of the first O-shaped rubber seal 8 may be implemented, convenient for the dress of the first O-shaped rubber seal 8
It unloads.Female 5 is in contact the side in plane equipped with groove in male connector 2, female 5, and the installation of hollow metal O-ring 11 may be implemented
With positioning, convenient for the handling of hollow metal O-ring 11.Meanwhile male connector 6 guarantees electricity in the place setting gas port close to electrode
The stabilization of air pressure between pole, prevents the generation of moisture film, is conducive to the insulation between electrode.In addition, female 5 is equipped with triangle in bottom
Groove, for accommodate scraped on 5 wall of female into water and silt.
Design has certain distance between positive and negative electrode, is conducive to the insulation between conductive electrode, and two conductions being in contact
Design has biggish contact area between pole, improves the reliability of conductive electrode, reduces the resistance between conductive electrode, and then reduce electricity
Flow the loss in conductive electrode.
Design has protrusion on dust scraping ring 9, convenient for scraping off the silt and water that have in male connector 6, guarantees around positive and negative electrode
Cleaning.
There are four first O-shaped rubber seal 8 has altogether.First O-shaped rubber seal 8 can be divided into male connector 6 most by function
Two of upper end are used for clean O-ring A8-1, O-ring C8-3 and male end between O-ring B8-2 and positive and negative conductive electrode
The O-ring D8-4 mainly to seal.The O-ring A8-1 of 6 end of male connector, O-ring B8-2 by 5 wall of female silt and
Water is scraped in the groove of 5 bottom of female, realizes that the self-cleaning function of female 5, O-ring C8-3 mutually obstruct conductive electrode, it is ensured that lead
Insulation between electrode.
The hollow metal O-ring 11 is the pressure parts of the structure, in closed hollow metal O-ring 11
Filling with inert gas can increase the screen resilience of ring, can bear biggish connector outside high pressure.
Fixed disk is the intermediate structure that male connector 6, female 5 are connect with drilling rod shell 1, and fixed disk is pacified by bolt and gasket 10
Mounted in 1 both ends of drilling rod shell, by being equipped with step in 6 side of male connector, convenient for the positioning and installation of male connector 6, at the same with male connector 6,
It is interference fitted between female 5, it is ensured that the reliability that male connector 6, female 5 connect.
Particularly, the gas port in male connector 6 vertically opens up, and makes between electrode stable gas pressure everywhere, prevents the generation of moisture film.
Particularly, it is equipped with gasket 10 on 9 top of dust scraping ring, gap is equipped between gasket 10 and dust scraping ring 9, scraped convenient for accommodating
Under male connector 6 on water and silt.
Particularly, it is equipped with the second O-shaped rubber seal 8-5 on 10 top of gasket, in 11 seal failure of hollow metal O-ring
When undertake partial pressure, prevent excessive pressure from causing to seal direct destruction when damaging hollow metal O-ring 11 by pressure.
The installation of electrodrill wet joint is divided into the installation of fixed disk, the installation of male and female head 5 and the cooperation of male and female head 5.
The installation of fixed disk is as follows, and the second fixed disk 14 is first mounted on upper drilling rod shell 1 by bolt 12, plain washer 13
On, then the first fixed disk 7 is mounted on lower drilling rod shell 6 by bolt 12, plain washer 13.
Male connector 6, the installation of female 5 are as follows, male connector 6 are inserted into the second fixed disk 14, by the platform in the second fixed disk 14
Rank is positioned, and is interference fitted between male connector 6 and the second fixed disk 14, since male connector 6 and female 5 are located at the two of Same Part
Side, after the positioning of male connector 6, female 5 also completes positioning, and is equally interference fitted between female 5 and the first fixed disk 7.Due to
Positive conductive electrode 3, negative conductive electrode 4 all be embedded ins male connector 6, in female 5, thus positive conductive electrode 3, negative conductive electrode 4 are also completed to install.It connects down
Come, five are inserted in respectively in male connector 6.Dust scraping ring 9 is put on the nethermost step of female 5, gasket 10 is put into female 5
On one step, while the second O-shaped rubber seal 8-5 is put on gasket 10, hollow metal O-ring 11 is finally put into mother
In first 5 groove, the installation of male and female head is completed.
The cooperation of male and female head refers to that lower drilling rod shell 6 is motionless, drilling rod shell 1 in rotation, outside upper drilling rod shell 1 and lower drilling rod
It is attached between shell 6 by screw thread, when the step of step and lower drilling rod shell 6 on upper drilling rod shell 1 contacts, male connector 6
Upper surface also just reaches 5 corresponding position of female, as shown in Figure 1, completing the cooperation of male and female head.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (6)
1. a kind of electrodrill joint structure, the drilling rod to link together including more, which is characterized in that
The every drilling rod includes shell, interior bar, dust scraping ring, hollow metal O-ring and gasket, wherein
The interior bar is located in the shell and is mounted on the inner wall of the shell；
One end setting of the interior bar is fluted to make this end form female, and the other end of the interior bar is set as and the mother
The male connector that head matches is cooperated so that the male connector of a wherein drilling rod can be protruded into the female of drilling rod adjacent thereto, and described
The side of male connector is respectively arranged with the first positive conductive electrode and the first negative conductive electrode, be provided in the female the second positive conductive electrode and
Second negative conductive electrode, and the second positive conductive electrode and the second negative conductive electrode respectively with the described first positive conductive electrode and the first negative conduction
Pole electrical connection；The first positive conductive electrode on adjacent two drilling rod is contacted with the second positive conductive electrode and the first negative conductive electrode negative is led with second
Electrode contact
The dust scraping ring and the gasket are separately positioned on the inner wall of the female and there is gap between the two, are scraped with allowing
The dirt for the male connector side that konisphere is wiped off is fallen into the gap；
The hollow metal O-ring is mounted on the end of the female, when being contacted with the male connector in adjacent two drilling rod with female from
Sealing function；
The side of the male connector is provided with the multiple first O-shaped rubber seal, and the first positive conductive electrode and the first negative conductive electrode
Between the first O-shaped rubber seal is at least set, for striking off the dirt on the female inner wall and preventing public affairs
The first positive conductive electrode on head is connected with the first negative conductive electrode.
2. a kind of electrodrill joint structure according to claim 1, which is characterized in that adjacent two drilling rods pass through cone spiral shell
Line links together.
3. a kind of electrodrill joint structure according to claim 1, which is characterized in that the both ends of the interior bar lead to respectively
It crosses the first fixed disk and the second fixed disk is mounted on the inner wall of the shell, and the both ends of the interior bar are each passed through first
Fixed disk and the second fixed disk.
4. a kind of electrodrill joint structure according to claim 1, which is characterized in that also set on the inner wall of the female
It is equipped with the second O-shaped rubber seal, for playing sealing function in hollow metal O-ring failure.
5. a kind of electrodrill joint structure according to claim 1, which is characterized in that also set on the inner wall of the female
It is equipped with holding tank, for accommodating the dirt in the female that the first O-shaped rubber seal is wiped off.
6. a kind of electrodrill joint structure according to claim 1, which is characterized in that along the interior bar in the male connector
Be arranged radially through-hole, and the through-hole is between the described first positive conductive electrode and the first negative conductive electrode, for preventing
It only generates moisture film and the first positive conductive electrode and the first negative conductive electrode is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711295117.7A CN108071351B (en) | 2017-12-08 | 2017-12-08 | A kind of electrodrill joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711295117.7A CN108071351B (en) | 2017-12-08 | 2017-12-08 | A kind of electrodrill joint structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108071351A CN108071351A (en) | 2018-05-25 |
| CN108071351B true CN108071351B (en) | 2019-07-09 |
Family
ID=62158180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711295117.7A Active CN108071351B (en) | 2017-12-08 | 2017-12-08 | A kind of electrodrill joint structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108071351B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882085B (en) * | 2019-02-19 | 2020-11-06 | 中国海洋石油集团有限公司 | Connection structure of drill collar of while-drilling instrument and male and female drill collar pups |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3036645A (en) * | 1958-12-15 | 1962-05-29 | Jersey Prod Res Co | Bottom-hole turbogenerator drilling unit |
| CN102767363A (en) * | 2012-07-11 | 2012-11-07 | 中国地质大学（武汉） | Electric communication drill rod and method for increasing transmission distance of electromagnetic wave measurement while drilling signal |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO312110B1 (en) * | 2000-06-29 | 2002-03-18 | Stiftelsen Rogalandsforskning | The drilling system |
| US6968910B2 (en) * | 2001-12-20 | 2005-11-29 | Yoseph Bar-Cohen | Ultrasonic/sonic mechanism of deep drilling (USMOD) |
| NO20140432A1 (en) * | 2014-04-03 | 2015-10-05 | Badger Explorer Asa | System and method for cleaning a drill bit |
-
2017
- 2017-12-08 CN CN201711295117.7A patent/CN108071351B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3036645A (en) * | 1958-12-15 | 1962-05-29 | Jersey Prod Res Co | Bottom-hole turbogenerator drilling unit |
| CN102767363A (en) * | 2012-07-11 | 2012-11-07 | 中国地质大学（武汉） | Electric communication drill rod and method for increasing transmission distance of electromagnetic wave measurement while drilling signal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108071351A (en) | 2018-05-25 |
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