CN110416835A - A kind of male connector of cable wet joint - Google Patents
A kind of male connector of cable wet joint Download PDFInfo
- Publication number
- CN110416835A CN110416835A CN201910711316.4A CN201910711316A CN110416835A CN 110416835 A CN110416835 A CN 110416835A CN 201910711316 A CN201910711316 A CN 201910711316A CN 110416835 A CN110416835 A CN 110416835A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- cable
- connector
- slide cartridge
- female connector
- 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.)
- Pending
Links
- 241000538562 Banjos Species 0.000 claims abstract description 18
- 230000006978 adaptation Effects 0.000 claims abstract description 13
- 210000000078 claw Anatomy 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000452 restraining effect Effects 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract description 3
- 238000003032 molecular docking Methods 0.000 description 6
- 238000005553 drilling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000009466 transformation 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
- E21B17/02—Couplings; joints
- E21B17/021—Devices for subsurface connecting or disconnecting by rotation
-
- 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
- E21B17/023—Arrangements for connecting cables or wirelines to downhole devices
-
- 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
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/512—Bases; Cases composed of different pieces assembled by screw or screws
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/72—Means for accommodating flexible lead within the holder
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)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a kind of male connectors of cable wet joint, including sleeve, the lower end of sleeve is connected with female connector banjo, slide cartridge is inserted in sleeve, slide cartridge can make piston motion in sleeve, slide cartridge is connected with oil pipe attachment base after stretching out sleeve, cable is equipped in sleeve, a part of cable is coiled in sleeve forms vibration adaptation redundancy portion, one of end of cable forms underground connector after stretching out female connector banjo, another end of cable passes through slide cartridge and forms well upper binding head after being pierced by oil pipe attachment base, after cable is docked by this pin end with the female connector on downhole instrument using the present invention, when cable because when vibration causes slide cartridge relative sleeve to slide, cable is pullled, the cable in vibration adaptation redundancy portion is released, the connector of cable ends because vibration caused by " tight " buffered, so that it is guaranteed that electric Cable connection is solid and reliable always.
Description
Technical field
The present invention relates to drilling technology fields, and in particular to a kind of male connector of cable wet joint.
Background technique
With China's expanding economy, infrastructure construction constantly expands, and wires and cables industry is rapidly developed, cable
It is widely used in each different field, such as petrochemical industry, coal mine, underground metal mining field.In recent years, oil exploitation, especially
Offshore oil exploitation have developed rapidly, and oil drilling platform quantity constantly increases.
During oil exploitation, cable is the device that downhole instrument and uphole equipment signal is connected, but due to underground ring
The particularity in border and the intrinsic situation in oil exploitation, cable can generate certain vibration, and this vibration is likely to result in cable
Connection is loosened or is broken, and is caused engineering to have to interrupt, is thereby resulted in maintenance cost and inactivity cost is high.
Summary of the invention
In view of this, the connector is adaptable to external vibration the present invention provides a kind of male connector of cable wet joint,
Signal disconnecting caused by capable of effectively avoiding because of external vibration.
Its technical solution is as follows: a kind of male connector of cable wet joint, key are: including sleeve, the lower end of the sleeve
It is connected with female connector banjo, is inserted with slide cartridge in the sleeve, which can make piston motion in the sleeve, described
Slide cartridge is connected with oil pipe attachment base after stretching out the upper end of the sleeve, is equipped with cable in the sleeve, a part of the cable exists
Coiling forms vibration adaptation redundancy portion in the sleeve, and the female connector banjo is stretched out in one of end of the cable
Form underground connector afterwards, another end of the cable, which passes through the slide cartridge and is pierced by after oil pipe attachment base to be formed on well, to be connected
Connector.By adopting the above technical scheme, the oil pipe attachment base of this pin end is connect with tubing round thread, will be on instrument cable on well and well
This pin end is sent into underground by oil pipe, and is connect by female connector banjo and the mother on downhole instrument by connector connection
Head docking, underground connector is docked with the cable realization in female connector, so that the signal for completing downhole instrument and ground instrument is led
It is logical, when cable because cable is pullled, and the cable in vibration adaptation redundancy portion is released when vibration causes slide cartridge relative sleeve to slide
Put, the connectors of cable ends because caused by vibration " tight " buffered, cable connection is solid and reliable always.
As further preferred:
The inner end cuff restraining position ring block of above-mentioned slide cartridge, the upper end of the sleeve is connected with position-limiting drum by internal screw thread, described
Slide cartridge drives the stop collar to slide between the female connector banjo and position-limiting drum.Using this structure, pass through female connector
The limit of banjo and position-limiting drum, stop collar slide between always, it is ensured that slide cartridge does not fall out sleeve.
Above-mentioned female connector banjo includes female connector plug socket, which is fixedly plugged in the sleeve
Interior, the female connector plug socket is equipped with grafting block, and grafting space, the grafting block are formed between the grafting block and the sleeve
On along the sleeve be axially arranged with N number of locking claw.Using this structure, female connector is inserted into grafting space and realizes pin and box sub pair
After connecing, pass through locking claw locking, it is ensured that the firm and reliable connection of pin and box sub.
Axial direction on above-mentioned grafting block along the sleeve is additionally provided with positioning column, and N number of locking claw is around described fixed
The circumferential direction of position column is uniformly distributed, and the locking claw is located in the sleeve, and the positioning column stretches out the sleeve, the cable
The underground connector is formed after being pierced by the positioning column, is coated with conductive sleeve on the underground connector, the conductive sleeve both ends
The underground connector on be coated with insulation sleeve.Using this structure, when male and female structure is docked, underground connector is entirely insertable mother
In connector, conductive sleeve forms the conducting region of one fixed width, and the cable in female connector also has conducting structure similar therewith, should
Conducting structure connect the conducting that cable can be realized with conducting region, thus turns the point-to-point connection of male and female structure inner cable
The docking for turning to region, reduces the precision of docking, and fast and easy realizes docking；When male and female structure is docked, positioning column can be to right
It connects position and plays positioning, be conducive to promote docking efficiency.
Wear-resistant trough is offered along its circumferential direction on the outer wall of above-mentioned stop collar, wear ring, the limit are installed in the wear-resistant trough
Position ring and the sleeve clearance fit, the outer wall of the wear ring and the inner wall of the sleeve fit closely.Using this structure, when
When slide cartridge slides in sleeve, wear ring and sleeve generate friction, are effectively protected to play to stop collar.
Above-mentioned locking claw includes grafting item, which is fixedly connected with the grafting block, the grafting item
The other end convexes to form limiting section outwardly.Using this structure, limiting section is hooked in the card slot of female connector, this sample pin end and
Female connector can remain locking under cable self-weight tension or vibration pulling force, and apply certain overload pulling force by slide cartridge
When, locking claw can loosen again with female connector, unlock male and female structure, recycle this pin end to facilitate.
Cuff has sealing ring on above-mentioned insulation sleeve.Using this structure, be conducive to be promoted sealing performance when cable butting.
The maximum length that above-mentioned slide cartridge is inserted into the sleeve is less than the female connector banjo to the sleeve upper end
Distance forms coiling space between the inner end of the slide cartridge and the female connector banjo, vibration adaptation redundancy portion is in
Helical coil is in the coiling space.It, always will not extrusion and vibration adaptation no matter how slide cartridge slides using this structure
Redundancy portion, to play effective defence protection to cable herein.
Compared with prior art, beneficial effects of the present invention: cable is connect by this pin end and the mother on downhole instrument
After head docking, when cable because cable is pullled, the cable in vibration adaptation redundancy portion when vibration causes slide cartridge relative sleeve to slide
Be released, the connectors of cable ends because caused by vibration " tight " buffered, so that it is guaranteed that cable connection is solid and reliable always.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is schematic diagram of internal structure of the invention.
Specific embodiment
The invention will be further described with attached drawing with reference to embodiments.
As illustrated in fig. 1 and 2, a kind of male connector of cable wet joint, including sleeve 1, the lower end of the sleeve 1 are connected with female connector
Banjo is inserted with slide cartridge 2 in the sleeve 1, which can make piston motion in the sleeve 1, and the slide cartridge 2 is stretched
Oil pipe attachment base 4 is connected with behind the upper end of the sleeve 1 out, is equipped with cable 5 in the sleeve 1, a part of the cable 5 is in institute
It states coiling in sleeve 1 and forms vibration adaptation redundancy portion 6, the female connector is stretched out to patching in one of end of the cable 5
Underground connector is formed after head, another end of the cable 5 passes through the slide cartridge 2 and formed after being pierced by oil pipe attachment base 4
Well upper binding head.
To prevent the inner end of slide cartridge 2 from hitting vibration adaptation redundancy portion 6, the slide cartridge 2 is inserted into the maximum length of the sleeve 1
Less than the female connector banjo to the distance of 1 upper end of sleeve, the inner end of the slide cartridge 2 and the female connector are to patching
Coiling space 10 is formed between head, vibration adaptation redundancy portion 6 is coiled in the shape of a spiral in the coiling space 10.
The female connector banjo includes female connector plug socket 3, and the female connector plug socket 3 fixation is inserted into the sleeve
In 1, the female connector plug socket 3 is equipped with the grafting block 16 of round pie, and annular is formed between the grafting block 16 and the sleeve 1
Grafting space 17, be axially arranged with N number of locking claw 4 along the sleeve 1 on the grafting block 16, N is natural number, preferably
Natural number more than or equal to 3, the locking claw 4 include grafting 4a, and the one end the grafting 4a and the grafting block 16 are fixed
Connection, the other end of the grafting 4a convex to form limiting section 4b outwardly.
Axial direction on the grafting block 16 along the sleeve 1 is additionally provided with positioning column 11, and N number of locking claw 4 surrounds
The circumferential direction of the positioning column 11 is uniformly distributed, and the locking claw 4 is located in the sleeve 1, and the positioning column 11 stretches out described
Sleeve 1, the female connector plug socket 3, grafting block 16 and positioning column 11 are integrally formed, and the internal run-through of three has lower cable
Hole, the cable 5 form the underground connector after being pierced by the positioning column 11, are coated with conductive sleeve on the underground connector
14, insulation sleeve 13 is coated on the underground connector at 14 both ends of conductive sleeve, wherein close to the insulation of the positioning column 11
A part of set 13 is protruded into the cable aperture and is fixedly connected with the positioning column 11, and cuff has sealing on the insulation sleeve 13
Circle 14.
In conjunction with Fig. 2 it can also be seen that the slide cartridge 2 is threadedly coupled with the oil pipe attachment base 4, it is three that the cable 5, which divides,
Section, including interconnecting piece, middle part and underground interconnecting piece on well, interconnecting piece is the well upper binding head, the well on the well
Lower interconnecting piece is the underground connector, and tapped oil pipe connecting hole 15 is offered in the oil pipe attachment base 4, described
Cable aperture is additionally provided in oil pipe attachment base 4, interconnecting piece is embedded in the upper cable aperture on the well, and the middle part is worn
In the slide cartridge 2, a part coiling of the middle part forms vibration adaptation redundancy portion 6, and interconnecting piece is worn on the well
It crosses the upper cable aperture to connect by end with one end of the middle part into rear in the slide cartridge 2, the underground connection
Portion is connect by end with the other end of the middle part, using the construction of cable of this segmented, very convenient assembling.
The inner end cuff restraining position ring block 8 of the slide cartridge 2 offers wear-resistant trough along its circumferential direction on the outer wall of the stop collar 8,
Wear ring 9, the stop collar 8 and 1 clearance fit of sleeve, the outer wall of the wear ring 9 and institute are installed in the wear-resistant trough
The inner wall for stating sleeve 1 fits closely, and the upper end of the sleeve 1 is connected with position-limiting drum 7 by internal screw thread, the outer end of the position-limiting drum 7
It turns up to form abutting part, the oil pipe attachment base 4 is against on the abutting part, and the slide cartridge 2 drives the stop collar 8 when sliding
It is slided between the female connector plug socket 3 and position-limiting drum 7.
Finally, it should be noted that foregoing description is only the preferred embodiment of the present invention, the ordinary skill people of this field
Member under the inspiration of the present invention, without prejudice to the purpose of the present invention and the claims, can make multiple similar tables
Show, such transformation is fallen within the scope of protection of the present invention.
Claims (8)
1. a kind of male connector of cable wet joint, it is characterised in that: the lower end including sleeve (1), the sleeve (1) is connected with female connector
Banjo, the sleeve (1) is interior to be inserted with slide cartridge (2), which can make piston motion in the sleeve (1), described
It is connected with oil pipe attachment base (4) behind the upper end of slide cartridge (2) the stretching sleeve (1), is equipped with cable (5) in the sleeve (1), it should
The coiling in the sleeve (1) of a part of cable (5) forms vibration adaptation redundancy portion (6), the cable (5) one of them
End forms underground connector after stretching out the female connector banjo, another end of the cable (5) passes through the cunning
Cylinder (2) is simultaneously pierced by oil pipe attachment base (4) and forms well upper binding head afterwards.
2. a kind of male connector of cable wet joint according to claim 1, it is characterised in that: the interior end cap of the slide cartridge (2)
It binds round restraining position ring block (8), the upper end of the sleeve (1) is connected with position-limiting drum (7) by internal screw thread, described in slide cartridge (2) drive
Stop collar (8) slides between the female connector banjo and position-limiting drum (7).
3. a kind of male connector of cable wet joint according to claim 1 or 2, it is characterised in that: the female connector is to patching
Head includes female connector plug socket (3), and the female connector plug socket (3) is fixed to be inserted into the sleeve (1), the female connector grafting
Seat (3) is equipped with grafting block (16), forms grafting space (17) between the grafting block (16) and the sleeve (1), the grafting
N number of locking claw (4) is axially arranged with along the sleeve (1) on block (16).
4. a kind of male connector of cable wet joint according to claim 3, it is characterised in that: along institute on the grafting block (16)
The axial direction for stating sleeve (1) is additionally provided with positioning column (11), and N number of locking claw (4) surrounds the circumferential direction of the positioning column (11)
It is uniformly distributed, the locking claw (4) is located in the sleeve (1), and the positioning column (11) stretches out the sleeve (1), described
Cable (5) is pierced by the positioning column (11) and forms the underground connector afterwards, is coated with conductive sleeve on the underground connector
(14), insulation sleeve (13) are coated on the underground connector at conductive sleeve (14) both ends.
5. a kind of male connector of cable wet joint according to claim 2, it is characterised in that: the outer wall of the stop collar (8)
On along its circumferential direction offer wear-resistant trough, be equipped in the wear-resistant trough wear ring (9), between the stop collar (8) and the sleeve (1)
Gap cooperation, the inner wall of the outer wall and the sleeve (1) of the wear ring (9) fit closely.
6. a kind of male connector of cable wet joint according to claim 4, it is characterised in that: the locking claw (4) includes
Grafting item (4a), the grafting item one end (4a) are fixedly connected with the grafting block (16), the other end court of the grafting item (4a)
Outer lug forms limiting section (4b).
7. a kind of male connector of cable wet joint according to claim 4, it is characterised in that: cuff on the insulation sleeve (13)
There are sealing ring (14).
8. a kind of male connector of cable wet joint according to claim 2, it is characterised in that: described in slide cartridge (2) insertion
The maximum length of sleeve (1) be less than the female connector banjo to the sleeve (1) upper end distance, the slide cartridge (2)
Coiling space (10), vibration adaptation redundancy portion (6) disk in the shape of a spiral are formed between inner end and the female connector banjo
It is wound in the coiling space (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910711316.4A CN110416835A (en) | 2019-08-02 | 2019-08-02 | A kind of male connector of cable wet joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910711316.4A CN110416835A (en) | 2019-08-02 | 2019-08-02 | A kind of male connector of cable wet joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110416835A true CN110416835A (en) | 2019-11-05 |
Family
ID=68365426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910711316.4A Pending CN110416835A (en) | 2019-08-02 | 2019-08-02 | A kind of male connector of cable wet joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110416835A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201056995Y (en) * | 2007-05-15 | 2008-05-07 | 陈晓辉 | Telescopic compensation vibration absorber of oil pumping rod |
| US20110174500A1 (en) * | 2007-10-31 | 2011-07-21 | Mark Davies | Connecting assembly |
| CN103797207A (en) * | 2011-09-15 | 2014-05-14 | 罗克塞尔流体测量公司 | Downhole gauge assembly |
| CN104879069A (en) * | 2015-05-29 | 2015-09-02 | 中国石油天然气股份有限公司 | Releasing joint capable of realizing telescopic compensation |
| CN105247164A (en) * | 2013-07-09 | 2016-01-13 | 哈利伯顿能源服务公司 | Downhole electrical connector |
| CN207110986U (en) * | 2017-07-20 | 2018-03-16 | 中国石油化工股份有限公司 | A kind of down-hole string telescoping tube |
| CN108119127A (en) * | 2017-12-07 | 2018-06-05 | 中国石油天然气集团公司 | A kind of logging while drilling apparatus connector |
| CN210092474U (en) * | 2019-08-02 | 2020-02-18 | 重庆梦马致新科技有限公司 | Male joint for cable connection |
-
2019
- 2019-08-02 CN CN201910711316.4A patent/CN110416835A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201056995Y (en) * | 2007-05-15 | 2008-05-07 | 陈晓辉 | Telescopic compensation vibration absorber of oil pumping rod |
| US20110174500A1 (en) * | 2007-10-31 | 2011-07-21 | Mark Davies | Connecting assembly |
| CN103797207A (en) * | 2011-09-15 | 2014-05-14 | 罗克塞尔流体测量公司 | Downhole gauge assembly |
| CN105247164A (en) * | 2013-07-09 | 2016-01-13 | 哈利伯顿能源服务公司 | Downhole electrical connector |
| CN104879069A (en) * | 2015-05-29 | 2015-09-02 | 中国石油天然气股份有限公司 | Releasing joint capable of realizing telescopic compensation |
| CN207110986U (en) * | 2017-07-20 | 2018-03-16 | 中国石油化工股份有限公司 | A kind of down-hole string telescoping tube |
| CN108119127A (en) * | 2017-12-07 | 2018-06-05 | 中国石油天然气集团公司 | A kind of logging while drilling apparatus connector |
| CN210092474U (en) * | 2019-08-02 | 2020-02-18 | 重庆梦马致新科技有限公司 | Male joint for cable connection |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191105 |