CN103256011A - Non-rotary connector used for connecting downhole electric module - Google Patents
Non-rotary connector used for connecting downhole electric module Download PDFInfo
- Publication number
- CN103256011A CN103256011A CN2013102177891A CN201310217789A CN103256011A CN 103256011 A CN103256011 A CN 103256011A CN 2013102177891 A CN2013102177891 A CN 2013102177891A CN 201310217789 A CN201310217789 A CN 201310217789A CN 103256011 A CN103256011 A CN 103256011A
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- Prior art keywords
- joint
- electrical module
- block
- locating surface
- connector
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- 238000009434 installation Methods 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 238000005553 drilling Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
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- 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)
- Installation Of Indoor Wiring (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a non-rotary connector used for connecting a downhole electric module. The non-rotary connector used for connecting the downhole electric module comprises a male connector, a female connector, a check block and a connection sleeve, wherein a positioning surface I, an external spline, a check block positioning surface, an installation neck, a cable-containing cavity, a connector I and a sealing ring installation groove are formed on the male connector, a positioning surface II, an internal spline, a connector II and an annular groove are machined on the female connector, an external thread is arranged at one end of the female connector, the check block is two half-cut round rings, and a positioning surface III and a positioning surface IV are machined on the check block. The connection sleeve is shaped like a cylindrical sleeve barrel, and a positioning surface V, a screw hole and an internal thread are machined on the connection sleeve. The male connector and the female connector are assembled together through the check block and the connection sleeve to form the non-rotary connector. The non-rotary connector is used for connecting the downhole electric module, and is simple in structure and convenient to install. A fixed screw is connected between the connection sleeve and the female connector to strengthen the strength of the non-rotary connector, a plurality of cables can be coiled inside the cable-containing cavity inside the male connector, and the problem of twisting of the inside cables can be avoided.
Description
Technical field
The present invention relates to the oil drilling and extracting equipment field, particularly a kind of non-rotating joint for the connection of down-hole electrical module.
Background technology
Continuous development along with drilling technology and sensor technology, increasing sensor is applied in the complicated drilling condition, for the facility in processing and manufacturing assembling and the function realization, the sensor that often will have similar functions integrates, form a down-hole electrical module, because the down-hole radial space is limited, the down-hole electrical module often be rendered as one cylindric, axial length can reach several meters, and radial diameter is controlled at tens millimeters, then, if length allows, then several down-holes electrical module is linked together, form an electrical module group, reinstall by (as non magnetic drill collar) in the drilling tool.Because power line and the holding wire of down-hole electrical module are generally all drawn from down-hole electrical module line outlet with the form of loose wire, therefore, connection between the electrical module of different down-holes need be considered being connected of frame for movement and power supply signal passage simultaneously, the twisted wire problem when avoiding cable to connect.
China Patent No. application number CN201220370442.1, mandate publication number CN202810685U disclose the non-rotating joint of a kind of continuous pipe bit well, as accompanying drawing 1, shown in Figure 2, the non-rotating joint of a kind of continuous pipe bit well, comprise non-rotating joint 01 and following non-rotating joint 02, go up the design of non-rotating joint 01 upper end the drilling rod box is arranged, the lower end is designed to the drilling rod pin thread, and the drilling rod pin thread tip designs of last non-rotating joint 01 becomes the pipe shape and pipe is processed into the spline of circumference uniform distribution; Non-rotating joint 02 comprises top connection 03, central tube 04, rotary body 05 and lower contact 06 down, top connection 03 is threaded with rotary body 05, top connection 03 upper end is the drilling rod box, design has the circular hole of two symmetries on the outer wall, central tube 04 and lower contact 06 screwed connection, central tube 04 can with top connection 03 and rotary body 05 relative rotation, the design of central tube 04 upper end inwall has the spline that matches with the spline of last non-rotating joint 01; All seal by sealing ring between central tube 04 and top connection 03, rotary body 05, the lower contact 06; Seal by sealing ring between top connection 3 and the rotary body 5.
When using the non-rotating joint of this continuous pipe bit well, to go up non-rotating joint 01 upper end box links to each other with continuous pipe bit well tool pin thread, the lower contact 06 of non-rotating joint 02 links to each other with another continuous pipe bit well tool upper end box down, collude spanner rotation top connection 03 with special use again, just the drilling rod button that will go up between non-rotating joint 01, the following non-rotating joint 02 interconnects, and its lower contact 06 this moment and the continuous pipe kit that is attached thereto are non-rotary.Though the non-rotating joint of this continuous pipe bit well has prevented the rotation of continuous pipe, drilling tool and built-in cable, twisted wire problem when avoiding cable to connect to a certain extent, but down non-rotating joint 02 need by be threaded, screwed connection could be assembled into down corresponding four parts non-rotating joint 02, and then and last non-rotating joint 01 be threaded and could form the non-rotating joint of continuous pipe bit well, its structure design comparatively complexity, assemble some inconvenience.
Summary of the invention
The objective of the invention is to overcome the above-mentioned deficiency that the non-rotating joint design of existing continuous pipe bit well in the prior art is comparatively complicated, assemble some inconvenience, a kind of non-rotating joint that connects for the down-hole electrical module is provided.
In order to realize the foregoing invention purpose, the invention provides following technical scheme:
A kind of non-rotating joint for the connection of down-hole electrical module comprises male joint, female joint, is provided with in the described male joint and holds the line chamber, also comprises block, adapter sleeve; Described block is sleeved in the described male joint, described adapter sleeve and described block be connected described male joint, described female joint.
Preferably, the first end of described public access is for installing neck, and the other end is for connecting the joint one of down-hole electrical module, and described installation neck surface is provided with the block locating surface; Described block is sleeved on the described installation neck, and described block and described block locating surface cooperatively interact.
Preferably, described installation neck surface is provided with the sealing ring mounting groove, is provided with sealing ring in the described sealing ring mounting groove.
Be provided with sealing ring mounting groove and sealing ring on installation neck surface, prevent after male joint and the female joint installation, drilling fluid infiltrates electrical module inside, down-hole from this non-rotating joint.
Preferably, described male joint connects described female joint by spline, can prevent that male joint, female joint from relatively rotating after connecting again.
Preferably, described male joint end is provided with external splines, and described female joint is provided with the internal spline that matches with described external splines.
Preferably, described female joint one end surfaces of close described internal spline is provided with external screw thread, and the other end is for connecting the joint two of down-hole electrical module; Be provided with internal thread and locating surface five in the described adapter sleeve, described block is provided with locating surface three and locating surface four; Described internal thread matches with described external screw thread, and described locating surface five cooperatively interacts with described locating surface four.
Preferably, described block is that two halves cut open annulus, partly cuts open not only convenient processing of annulus, and is beneficial to loading and unloading and tightens up.
Preferably, described female joint surface is provided with cannelure, and described adapter sleeve is provided with screw hole, and is when described adapter sleeve is sleeved in the described female joint, adaptive mutually with holding screw between described cannelure, the screw hole.
By after being threaded, with tight fixed bolt that the two is radially fixing, prevent that female joint and adapter sleeve from because of coming off that the inefficacy that is threaded causes, increasing the bonding strength of whole non-rotating joint at female joint and adapter sleeve.
Preferably, the described appearance line chamber cavity volume of holding one by one near described joint is greater than the cavity volume near described installation neck one end.
Non-rotating joint inner chamber after male joint and female joint connect passes cable, joint one connects the down-hole electrical module, so the appearance line cavity volume that male joint is held one by one near joint is bigger, long cable disc can be twisted in the appearance line chamber of position herein, can effectively prevent the twisted wire problem of the long appearance of cable.
Compared with prior art, beneficial effect of the present invention:
A kind of non-rotating joint for the down-hole electrical module of the present invention, its female joint, male joint connect with internal spline, external splines, only need once be threaded after cooperatively interacting by block, adapter sleeve more just can be installed in the female joint, the non-rotating joint of final formation, this non-rotating joint design is simple, easy for installation; Also radially be connected with holding screw between adapter sleeve and the female joint, can strengthen the bonding strength of non-rotating joint, can not produce relative rotation and axially-movable between the down-hole electrical module one of non-rotating joint two ends connection simultaneously, the down-hole electrical appliance module two; The part that male joint content line chamber has big cavity volume volume can be coiled and be let slip many cables, can avoid the twisted wire problem of Internal cable.
Description of drawings:
Fig. 1 is the described a kind of structural representation of non-rotating joint of prior art;
Fig. 2 is the described a kind of structural representation of non-rotating joint down of prior art;
Fig. 3 is male joint structural representation of the present invention;
Fig. 4 is male joint cross-sectional view of the present invention;
Fig. 5 is female joint structural representation of the present invention;
Fig. 6 is female joint cross-sectional view of the present invention;
Fig. 7 is the wherein structural representation of half of block of the present invention;
Fig. 8 is the cross-sectional view of block of the present invention;
Fig. 9 is adapter sleeve structural representation of the present invention;
Figure 10 is the cross-sectional view of adapter sleeve of the present invention;
Figure 11 is that male joint of the present invention, female joint are connected to form non-rotating joint structural representation before;
Figure 12 connects the structural representation that finishes for non-rotating joint of the present invention.
Mark among the figure:
01, goes up non-rotating joint, 02, non-rotating joint down, 03, top connection, 04, central tube, 05, rotary body, 06, lower contact;
1, male joint, 11, locating surface one, 12, external splines, 13, block locating surface, 14, neck is installed, 15, hold the line chamber, 16, joint one, 17, sealing ring mounting groove, 2, female joint, 21, locating surface two, 22, internal spline, 23, joint two, 24 cannelures, 25, external screw thread, 3, block, 31, locating surface three, 32, locating surface four, 4, adapter sleeve, 41, locating surface five, 42, screw hole, 43, internal thread, 5, holding screw, 6, sealing ring, 71, down-hole electrical module one, 72, down-hole electrical module two, 81, cable one, 82, cable two.
The specific embodiment
The present invention is described in further detail below in conjunction with testing example and the specific embodiment.But this should be interpreted as that the scope of theme of the present invention only limits to following embodiment, all technology that realizes based on content of the present invention all belong to scope of the present invention.
Shown in Fig. 3-10, a kind of non-rotating joint for the connection of down-hole electrical module of the present invention, comprise male joint 1, female joint 2, block 3, adapter sleeve 4, be processed with locating surface 1, external splines 12, block locating surface 13 in the described male joint 1, neck 14 is installed, holds line chamber 15, joint 1 and sealing ring mounting groove 17; Be processed with locating surface 2 21, internal spline 22, joint 2 23 and cannelure 24 in the described female joint 2, female joint 2 one ends also are provided with external screw thread 25; Described block 3 is processed with locating surface 3 31 and locating surface 4 32 for two halves cut open annulus on it; Described adapter sleeve 4 is the cylindrical shroud tubular, and is processed with locating surface 5 41, screw hole 42 and internal thread 43.
When non-rotating joint is installed, shown in Figure 11,12, earlier adapter sleeve 4 is sleeved in advance on the installation neck 14 in the male joint 1, and sealing ring 6 is installed in the sealing ring mounting groove 17 on male joint 1 surface, prevent that drilling fluid from entering male joint 1 and female joint 2 inside from non-rotating joint, and then flowing into electrical module 7 inside, down-hole, the cable 1, the cable 2 82 that again will be respectively pass from male joint 1 and female joint 2 inside carry out wiring; After finishing the connection of cable 1, cable 2 82, the external splines 12 of male joint 1 is inserted in the internal spline 22 of female joint 2 and cooperates, can prevent that male joint 1 and female joint 2 from producing relative rotation, the locating surface 2 21 in locating surface 1 in the male joint 1 and female joint 2 is in contact with one another; Again two halves are cutd open on the installation neck 14 that circular block 3 is enclosed within male joint 1, and the locating surface 3 31 of block 3 is abutted against on the block locating surface 13 of male joint 1; The internal thread 25 of the internal thread 43 of adapter sleeve 4 and female joint 2 being cooperatively interacted screws again, up to the locating surface 5 41 on the adapter sleeve 4 and the locating surface 4 32 on the block 3 mutually near, thereby limited male joint 1 and female joint 2 produces relative motion vertically; And then with in the screw hole 42 on the holding screw 5 screw-in adapter sleeves 4, and snap in the female joint 2 in the cannelure 24, can prevent between the adapter sleeve 4 that is threaded and the female joint 2 because coming off of causing of thread failure so far, just finished the connection of non-rotating joint.In addition, the appearance line cavity volume of the close joint one 16 one end inside of male joint 1 is greater than the cavity volume volume of non-rotating joint one end, and the dish of being convenient to the long cable in the appearance line chamber 15 of male joint 1 and female joint is put, and avoids the problem of twisted wire.
When described non-rotating joint when inserting the down-hole electrical module, by the joint 1 in the male joint 1 and the joint 2 23 in the female joint 2 male joint 1 and female joint 2 are connected the leading-out terminal of down-hole electrical module 1, down-hole electrical module 2 72 respectively, and then the cable that connects is passed from the inner chamber of male joint 1 and female joint 2 respectively.
Need to prove that shown in Fig. 4,8,10, in order to guarantee the smooth installation of non-rotating joint, the installation neck 14 in the male joint 1 must have enough installation length L, could guarantee the installation of block 3 and adapter sleeve 4; The maximum outside diameter d at external splines 12 places in the male joint 1
1Should be not more than the aperture D at locating surface 5 41 places of adapter sleeve 4, the aperture D at locating surface 5 41 places of above-mentioned adapter sleeve 4 should be less than the outside diameter d at locating surface 3 31 places of block 3
2
Claims (9)
1. one kind is used for the non-rotating joint that the down-hole electrical module connects, and comprises male joint (1), female joint (2), is provided with in the described male joint (1) and holds line chamber (15), it is characterized in that, also comprises block (3), adapter sleeve (4); Described block (3) is sleeved in the described male joint (1), described adapter sleeve (4) and described block (3) be connected described male joint (1), described female joint (2).
2. a kind of non-rotating joint that connects for the down-hole electrical module according to claim 1, it is characterized in that, described male joint (1) one end is for installing neck (14), and the other end is joint one (16), and described installation neck (14) surface is provided with block locating surface (13); Described block (3) is sleeved on the described installation neck (14), and described block (3) cooperatively interacts with described block locating surface (13).
3. a kind of non-rotating joint for the connection of down-hole electrical module according to claim 2 is characterized in that described installation neck (14) surface is provided with sealing ring mounting groove (17), is provided with sealing ring (6) in the described sealing ring mounting groove (17).
4. a kind of non-rotating joint for the connection of down-hole electrical module according to claim 1 is characterized in that described male joint (1) connects described female joint (2) by spline.
5. a kind of non-rotating joint that connects for the down-hole electrical module according to claim 4, it is characterized in that, described male joint (1) end is provided with external splines (12), and described female joint (2) is provided with the internal spline (22) that matches and be connected with described external splines (12).
6. a kind of non-rotating joint for the connection of down-hole electrical module according to claim 5 is characterized in that described female joint (2) one end surfaces of close described internal spline (22) are provided with external screw thread (25), and the other end is joint two (23); Be provided with internal thread (43) and locating surface five (41) in the described adapter sleeve (4), described block (3) is provided with locating surface three (31) and locating surface four (32); Described internal thread (43) matches with described external screw thread (25), and described locating surface five (41) cooperatively interacts with described locating surface four (32).
7. according to the arbitrary described a kind of non-rotating joint for the connection of down-hole electrical module of claim 1-6, it is characterized in that described block (3) cuts open annulus for two halves.
8. a kind of non-rotating joint that connects for the down-hole electrical module according to claim 7, it is characterized in that, described female joint (2) surface is provided with cannelure (24), described adapter sleeve (4) is provided with screw hole (4), when described adapter sleeve (4) is sleeved in the described female joint (2), adaptive mutually with holding screw (5) between described cannelure (24), the described screw hole (4).
9. a kind of non-rotating joint for the connection of down-hole electrical module according to claim 7 is characterized in that, the cavity volume of close described joint one (16) one end in described appearance line chamber (15) is greater than the cavity volume near described installation neck (14) one ends.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310217789.1A CN103256011B (en) | 2013-06-04 | 2013-06-04 | A kind of non-rotating joint connected for down-hole electrical module |
| PCT/CN2013/088571 WO2014194621A1 (en) | 2013-06-04 | 2013-12-05 | Non-rotary adapter used for connecting downhole electric module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310217789.1A CN103256011B (en) | 2013-06-04 | 2013-06-04 | A kind of non-rotating joint connected for down-hole electrical module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103256011A true CN103256011A (en) | 2013-08-21 |
| CN103256011B CN103256011B (en) | 2016-06-15 |
Family
ID=48960190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310217789.1A Active CN103256011B (en) | 2013-06-04 | 2013-06-04 | A kind of non-rotating joint connected for down-hole electrical module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103256011B (en) |
| WO (1) | WO2014194621A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014194621A1 (en) * | 2013-06-04 | 2014-12-11 | 四川宏华石油设备有限公司 | Non-rotary adapter used for connecting downhole electric module |
| CN109989715A (en) * | 2019-05-17 | 2019-07-09 | 天明(南京)智能装备科技有限公司 | The drill tool assembly of engineering driller |
| CN110043197A (en) * | 2019-05-17 | 2019-07-23 | 天明(南京)智能装备科技有限公司 | Interior locking type drilling rod |
| CN112377126A (en) * | 2020-11-30 | 2021-02-19 | 西华大学 | Hydraulic drill feeding tool for horizontal well |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263453A (en) * | 2021-11-19 | 2022-04-01 | 贵州航天凯山石油仪器有限公司 | Long-distance line passing or pressure guiding method in narrow structural space |
| CN115347412B (en) * | 2022-08-16 | 2024-04-02 | 东营中昶能源科技有限公司 | Quick connecting device for cable connector |
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| CA2709728C (en) * | 2010-07-21 | 2015-08-18 | Dean Spence | Coil tubing cable head with tool release, fluid circulation and cable protection features |
| CN202031489U (en) * | 2011-05-04 | 2011-11-09 | 唐山金地重型水泥机械制造有限公司 | Drill rod connected through spline |
| CN103256011B (en) * | 2013-06-04 | 2016-06-15 | 四川宏华石油设备有限公司 | A kind of non-rotating joint connected for down-hole electrical module |
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2013
- 2013-06-04 CN CN201310217789.1A patent/CN103256011B/en active Active
- 2013-12-05 WO PCT/CN2013/088571 patent/WO2014194621A1/en active Application Filing
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| US3361453A (en) * | 1965-07-02 | 1968-01-02 | Brown Oil Tools | Quick coupling device |
| US6845826B1 (en) * | 2003-02-14 | 2005-01-25 | Noble Drilling Services Inc. | Saver sub for a steering tool |
| US20050022999A1 (en) * | 2003-08-01 | 2005-02-03 | Hughes William James | Rod and tubing joint of multiple orientations containing electrical wiring |
| US7226090B2 (en) * | 2003-08-01 | 2007-06-05 | Sunstone Corporation | Rod and tubing joint of multiple orientations containing electrical wiring |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014194621A1 (en) * | 2013-06-04 | 2014-12-11 | 四川宏华石油设备有限公司 | Non-rotary adapter used for connecting downhole electric module |
| CN109989715A (en) * | 2019-05-17 | 2019-07-09 | 天明(南京)智能装备科技有限公司 | The drill tool assembly of engineering driller |
| CN110043197A (en) * | 2019-05-17 | 2019-07-23 | 天明(南京)智能装备科技有限公司 | Interior locking type drilling rod |
| CN109989715B (en) * | 2019-05-17 | 2024-02-06 | 天明(南京)智能装备科技有限公司 | Drilling tool assembly of engineering driller |
| CN112377126A (en) * | 2020-11-30 | 2021-02-19 | 西华大学 | Hydraulic drill feeding tool for horizontal well |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103256011B (en) | 2016-06-15 |
| WO2014194621A1 (en) | 2014-12-11 |
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