CN202023557U - Cable inlet device for power and signal transmission drill rod - Google Patents
Cable inlet device for power and signal transmission drill rod Download PDFInfo
- Publication number
- CN202023557U CN202023557U CN2011200371060U CN201120037106U CN202023557U CN 202023557 U CN202023557 U CN 202023557U CN 2011200371060 U CN2011200371060 U CN 2011200371060U CN 201120037106 U CN201120037106 U CN 201120037106U CN 202023557 U CN202023557 U CN 202023557U
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- signal transmission
- power
- switching mechanism
- shell
- housing
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Abstract
The utility model relates to a cable inlet device for a power and signal transmission drill rod in petroleum geology exploration drilling, which can realize the conversion between rotation and nonrotation of a power and signal transmission drill rod cable and a land cable, thereby finishing the safe transmission of land current or signals and current or signals between power and signal transmission drill rods. The technical scheme is as follows: the cable inlet device comprises a conversion joint, a conversion mechanism and a suspension structure. The upper part of the conversion joint is a female joint linked with a tap central tube or a top drive inner tube, and the lower part of the conversion joint is a male joint linked with a power and signal transmission drill rod; the conversion mechanism comprises a rotating part and a fixed part, and through the contact of a slip ring of the rotating part and a slide block of the fixed part of the conversion mechanism, current or signal transmission is realized, and meanwhile, a closed space is formed; and the suspension structure is fixed on a tap or a top driver through a flying ring. The cable inlet device has the characteristics of simple structure, low cost, high reliability and safety and is used for the power and signal transmission drill rod in power intelligent drilling.
Description
Technical field
The utility model relates to a kind of power and signal transmission drilling rod cable entry device that is used for the petroleum geology exploration drilling well.It can realize that power and signal transmission drilling rod cable and land cable change and the conversion of not changeing, thereby finishes the safe transmission that ground surface current or signal and power and signal transmit electric current between drilling rod or signal.
Background technology
In the power intelligent drilling, need forceful electric power and down-hole control signal be transferred to the down-hole by power and signal transmission drilling rod, simultaneously the various test signals in down-hole are transferred to ground.Be in rotation status in the power and the signal transmission drilling rod course of work always, and land cable does not rotate, thereby need power of design and signal to transmit the drilling rod cable entry device, change and the conversion of not changeing between power and signal transmission drilling rod cable and land cable realizing, thereby finish the safe transmission that ground surface current or signal and power and signal transmit electric current between drilling rod or signal.
Design cable entry device, at first will find the cable inlet position accurately, and drilling well type of drive difference, its entry position also is not quite similar, and then must design accordingly according to concrete drilling well type of drive.Current drilling well type of drive mainly divides surface driving and well dynamic to drive two big classes.Surface driving comprises that rotating disk drives and the top drives two kinds of forms, whole drill string rotating in drilling process; And well dynamic drives mainly finger screw drive, turbine drives and three kinds of forms of electricity driving, and whole drill string does not rotate in drilling process.Power and signal transmission drilling rod cable entry device can be used in driving of brill dish and the top driving.
The utility model mainly drives and pushes up the definite cable inlet position separately of the design feature that drives two kinds of type of drive according to rotating disk.Wherein, the rotating disk type of drive refers to by the rotation of well head rotating disk and drives the kelly bar rotation, drive the rotation of upper water tap rotating part and whole underground drill stem in bottom and downhole tool again by the kelly bar rotation, thereby, the inlet position of cable is selected on the cooperation joint of water tap according to the characteristics of rotating disk type of drive; And to drive type of drive be exactly directly to drive by the top to drive whole drill string and downhole tool rotatablely moves and moves up and down on the top, in drilling process, the central tube that drive on the top is connected with drilling rod, by the center of rotation pipe, drive the rotation of whole drill string and drill bit, realizing brokenly rock, thereby, newly design an inlet device and be installed in center of rotation pipe bottom according to the design feature that drive on the top.
Summary of the invention
The purpose of this utility model is in order to design a conversion equipment, with the conversion that realizes changeing and not changeing between power and signal transmission drilling rod cable and land cable, thereby finish the safe transmission of electric current between ground surface current or signal and power and signal transmission drilling rod or signal, the spy provides a kind of power and signal to transmit the drilling rod cable entry device.
The technical scheme that its technical problem that solves the utility model adopts is: power and signal transmission drilling rod cable entry device are made up of crossover sub, switching mechanism and suspended structure, its architectural feature is: crossover sub top is female joint, driving interior pipe with swivel stem or top connects, the bottom is male joint, connects with power and signal transmission drilling rod; Switching mechanism is formed by driving fixing standing part with the rotating part of drilling rod rotation and relative water tap or top, the rotating part of switching mechanism comprises the switching mechanism seat, slip ring, lead B, interior pipe, the switching mechanism seat tightly is enclosed within the middle part of crossover sub, the top of switching mechanism seat is against on the crossover sub step, the bottom of switching mechanism seat is fixed by block and soket head cap screw, the outside of switching mechanism seat is with the inner ring and the slip ring positioning sleeve of bearing, slip ring is fixed on the slip ring positioning sleeve, insulating sleeve is installed between slip ring, interior pipe is installed in crossover sub inside, the standing part of switching mechanism comprises slide block, copper sheathing, spring, connecting line, the spring copper packing, screw, take-up housing, lead A, screw is installed in the screwed hole of take-up housing, screw extrusion spring copper packing and spring, compressed spring tightly is pressed in slide block on the slip ring, the spring copper packing is connected by connecting line with spring, around the installation slide block copper sheathing is installed, lead A and copper sheathing link together, take-up housing is installed on the shell, the outside covers take-up housing with enclosing cover, shell and enclosing cover are bolted together; Suspended structure is fixed on water tap with suspension ring or drive on the top.
Its operating principle is: lead A is by linking to each other with land cable, electric current or signal are transferred in the copper sheathing, copper sheathing is sent to electric current or signal in the slide block or spring copper packing or spring of contact with it then, slide block is sent to electric current or signal in the slip ring again, electric current in the slip ring is drawn by lead B, passes to the electric connection (not drawing among the figure) of crossover sub male joint place.Whole switching mechanism realizes rotation and fixing conversion by bearing.
The beneficial effects of the utility model are, can realize changeing and the conversion of not changeing between power and signal transmission drilling rod cable and land cable, thereby finish the safe transmission that ground surface current or signal and power and signal transmit electric current between drilling rod or signal, have characteristics simple in structure, that cost is low, reliability is high, safe.
Description of drawings
Fig. 1 is the structure chart of the utility model power and signal transmission drilling rod cable entry device;
Fig. 2 be among Fig. 1 A to view;
Fig. 3 is the profile at B-B position among Fig. 1;
Fig. 4 is the profile at C-C position among Fig. 1.
Among the figure: 1. crossover sub, 2. upper end cover, 3. suspension ring, 4. upper bearing (metal) block, 5. shell, 6. sealing mat, 7. take-up housing, 8. enclosing cover, 9. screw, 10. spring copper packing, 11. spring, 12. lead A, 13. connecting lines, 14. copper sheathings, 15. insulating sleeves, 16. slide block, 17. slip rings, 18. lower bearing blocks, 19. bolts, 20. bearing, 21. bottom end covers, 22. slip ring positioning sleeves, 23. blocks, 24. soket head cap screw, 25. lead B, 26. switching mechanism seats, 27. interior pipes.
The specific embodiment
Form by crossover sub 1, switching mechanism and suspended structure at Fig. 1 medium power and signal transmission drilling rod cable entry device.Wherein, crossover sub top is female joint, drives interior pipe with swivel stem or top and connects, and the bottom is male joint, connects with power and signal transmission drilling rod; Switching mechanism is formed by driving fixing standing part with the rotating part of drilling rod rotation and relative water tap or top, the rotating part of switching mechanism comprises switching mechanism seat 26, slip ring 17, slip ring positioning sleeve 22, insulating sleeve 15, the rotating part of bearing 20, block 23, soket head cap screw 24, lead B25, interior pipe 27, switching mechanism seat 26 tightly is enclosed within the middle part of crossover sub 1, the top of switching mechanism seat 26 is against on crossover sub 1 step, the bottom of switching mechanism seat 26 is fixing by block 23 and soket head cap screw 28, the outside of switching mechanism seat 26 is with the inner ring and the slip ring positioning sleeve 22 of bearing 20, slip ring 17 is fixed on the slip ring positioning sleeve 22,17 on slip ring is equipped with insulating sleeve 15, interior pipe 27 is installed in crossover sub 1 inside, the standing part of switching mechanism comprises slide block 16, copper sheathing 14, spring 11, connecting line 13, spring copper packing 10, screw 9, take-up housing 7, lead A12, the standing part of bearing 20, shell 5, enclosing cover 8, sealing mat 6, upper end cover 2, upper bearing (metal) block 4, bottom end cover 21, lower bearing block 18, with bolt 19, screw 9 is installed in the screwed hole of take-up housing 7, screw 9 extrusion spring copper packings 10 and spring 11, compressed spring 11 tightly is pressed in slide block 16 on the slip ring 17, spring copper packing 10 is connected by connecting line 13 with spring 11, and whole switching mechanism realizes rotation and fixing conversion by bearing 20; Suspension ring 3 tops are fixed on water tap or the top is driven in the suspended structure, and the bottom is fixed on the upper bearing (metal) block 4; Upper end cover 2, upper bearing (metal) block 4, shell 5, enclosing cover 8, lower bearing block 18 and bottom end cover 21 are formed a confined space, can prevent that dust or explosion hazard gases from entering, thereby guarantee the reliability and the safety of cable entry device.
Shell 5 has a window in Fig. 1 and Fig. 2, take-up housing 7 is installed in the window position of shell 5, the outside of take-up housing 7 covers with enclosing cover 8, take-up housing 7, shell 5 and enclosing cover 8 are fixed together by bolt 19, at shell 5 and 8 of enclosing covers sealing mat 6 is installed, enters the confined space of cable entry device to prevent dust or explosion hazard gases.
In Fig. 1, Fig. 2 and Fig. 3, install slide block around copper sheathing 14 is installed, lead A12 passes take-up housing 7 and links together with copper sheathing 14; Each copper sheathing 14 has a lead to link to each other, and 3 leads are merged into one and pass from enclosing cover 8.
In Fig. 1 and Fig. 4, interior pipe 27 is installed and is had groove, is used for holding lead B, and 3 leads are uniform on circumference among the lead B25.
Claims (3)
1. power and signal transmission drilling rod cable entry device, be made up of crossover sub, switching mechanism and suspended structure, it is characterized in that: crossover sub (1) top is female joint, drives interior pipe with swivel stem or top and connects, the bottom is male joint, connects with power and signal transmission drilling rod; Switching mechanism is made up of rotating part and standing part, and suspended structure is with being fixed on water tap by suspension ring (3) or the top is driven.
2. a kind of power according to claim 1 and signal transmission drilling rod cable entry device, it is characterized in that: the rotating part of switching mechanism comprises switching mechanism seat (26), slip ring (17), lead B (25), interior pipe (27), switching mechanism seat (26) tightly is enclosed within the middle part of crossover sub (1), the top of switching mechanism seat (26) is against on crossover sub (1) step, the bottom of switching mechanism seat (26) is fixing by block (23) and soket head cap screw (24), the outside of switching mechanism seat (26) is with the inner ring and the slip ring positioning sleeve (22) of bearing (20), slip ring (17) is fixed on the slip ring positioning sleeve (22), insulating sleeve (15) is installed between slip ring (17), interior pipe (27) is installed in crossover sub (1) inside, the standing part of switching mechanism comprises slide block (16), copper sheathing (14), spring (11), connecting line (13), spring copper packing (10), screw (9), take-up housing (7), lead A (12), screw (9) is installed in the screwed hole of take-up housing (7), screw (9) extrusion spring copper packing (10) and spring (11), compressed spring (11) tightly is pressed in slide block (16) on the slip ring (17), spring copper packing (10) is connected by connecting line (13) with spring (11), around the installation slide block copper sheathing (14) is installed, lead A (12) links together with copper sheathing (14), take-up housing (7) is installed on the shell (5), the outside covers take-up housing (7) with enclosing cover (8), shell (5) and enclosing cover (8) are fixed together with bolt (19).
3. a kind of power according to claim 1 and signal transmission drilling rod cable entry device, it is characterized in that: upper end cover (2), upper bearing (metal) block (4), shell (5), enclosing cover (8), sealing mat (6), lower bearing block (18) and bottom end cover (21) constitute a confined space, shell (5) has a window, take-up housing (7) is installed in the window position of shell (5), the outside of take-up housing (7) covers with enclosing cover (8), take-up housing (7), shell (5) and enclosing cover (8) are fixed together with bolt (19), between shell (5) and enclosing cover (8), sealing mat (6) is installed, with bolt (19) with upper end cover (2), upper bearing (metal) block (4) and shell (5) top link together, and use bolt (19) with bottom end cover (21), lower bearing block (18) and shell (5) bottom link together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200371060U CN202023557U (en) | 2011-01-31 | 2011-01-31 | Cable inlet device for power and signal transmission drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200371060U CN202023557U (en) | 2011-01-31 | 2011-01-31 | Cable inlet device for power and signal transmission drill rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202023557U true CN202023557U (en) | 2011-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200371060U Expired - Lifetime CN202023557U (en) | 2011-01-31 | 2011-01-31 | Cable inlet device for power and signal transmission drill rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202023557U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619500A (en) * | 2011-01-31 | 2012-08-01 | 中国石油化工集团公司 | Power and signal transmission drill stem cable inlet device |
| CN102926745A (en) * | 2012-11-02 | 2013-02-13 | 新疆塔里木油田建设工程有限责任公司 | Anti-sticking short segment for cable formation tests |
| CN103061682A (en) * | 2012-12-31 | 2013-04-24 | 电子科技大学 | Single section drill rod for achieving TEM (transverse electromagnetic) wave transmission |
| CN103556988A (en) * | 2013-11-12 | 2014-02-05 | 西南石油大学 | Well deviation measuring system for gas drilling |
-
2011
- 2011-01-31 CN CN2011200371060U patent/CN202023557U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619500A (en) * | 2011-01-31 | 2012-08-01 | 中国石油化工集团公司 | Power and signal transmission drill stem cable inlet device |
| CN102619500B (en) * | 2011-01-31 | 2015-05-27 | 中国石油化工集团公司 | Power and signal transmission drill stem cable inlet device |
| CN102926745A (en) * | 2012-11-02 | 2013-02-13 | 新疆塔里木油田建设工程有限责任公司 | Anti-sticking short segment for cable formation tests |
| CN102926745B (en) * | 2012-11-02 | 2015-06-03 | 中国石油天然气股份有限公司 | Anti-sticking short segment for cable formation tests |
| CN103061682A (en) * | 2012-12-31 | 2013-04-24 | 电子科技大学 | Single section drill rod for achieving TEM (transverse electromagnetic) wave transmission |
| CN103061682B (en) * | 2012-12-31 | 2015-08-19 | 电子科技大学 | Realize the single hop drilling rod of TEM ripple transmission |
| CN103556988A (en) * | 2013-11-12 | 2014-02-05 | 西南石油大学 | Well deviation measuring system for gas drilling |
| CN103556988B (en) * | 2013-11-12 | 2015-11-04 | 西南石油大学 | A kind of gas drilling directional survey system |
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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: 20111102 Effective date of abandoning: 20150527 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20111102 Effective date of abandoning: 20150527 |
|
| RGAV | Abandon patent right to avoid regrant |