CN108005638A - It is a kind of suitable for high temperature orientation survey with boring apparatus structure - Google Patents
It is a kind of suitable for high temperature orientation survey with boring apparatus structure Download PDFInfo
- Publication number
- CN108005638A CN108005638A CN201711417026.6A CN201711417026A CN108005638A CN 108005638 A CN108005638 A CN 108005638A CN 201711417026 A CN201711417026 A CN 201711417026A CN 108005638 A CN108005638 A CN 108005638A
- Authority
- CN
- China
- Prior art keywords
- apparatus structure
- contact pin
- high temperature
- assembly
- resistance
- 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.)
- Withdrawn
Links
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
- E21B47/00—Survey of boreholes or wells
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
- E21B47/017—Protecting measuring instruments
-
- 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
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
Abstract
The present invention provide it is a kind of suitable for high temperature orientation survey with apparatus structure, including resistance to compression outer barrel, inner core and anti-rotation locating piece is bored, is equipped with a groove in the one end side of resistance to compression outer barrel；Anti-rotation locating piece is fixed on inner core, and in the groove, limitation inner core moves axially and rotates in a circumferential direction；The both ends of resistance to compression outer barrel are installed using centralizer, have conducting wire and socket inside centralizer；The both ends of resistance to compression outer barrel are equipped with locking nut, there is contact pin, contact pin connection centralizer socket in locking nut.The present invention can prevent inner core from moving axially and circumferentially rotating, and contact pin contacts well with the electrical connection of socket extension bar, have a shock-absorbing function, the circuit board in can effectively protect instrument.
Description
Technical field
The present invention relates to oil field instrument systematic survey field, more particularly to it is a kind of suitable for high temperature orientation survey with boring instrument
Device structure.
Background technology
At present in oil field instrument systematic survey field, as wellbore is persistently deepened, downhole temperature persistently raises, existing low temperature
Instrument can not meet the requirement of orientation with drilling measurement.Existing measurement while-drilling instrument, more complicated in structure, inner core shakes in underground
Easily moved axially when dynamic, also easily produce and circumferentially rotate；Contact pin contact with socket extension bar is easily subject to underground to make
The influence of industry and it is bad, the precision of instrument, service life are limited.
The content of the invention
In order to solve the problems of prior art, the present invention provide it is a kind of suitable for high temperature orientation survey with boring instrument
Device structure, can prevent inner core from moving axially and circumferentially rotating, contact pin contacts well with the electrical connection of socket extension bar, has damping
Function, the circuit board in can effectively protect instrument.
The present invention is adopted the following technical scheme that to realize：It is a kind of suitable for high temperature orientation survey with boring apparatus structure, bag
Resistance to compression outer barrel, inner core and anti-rotation locating piece are included, a groove is equipped with the one end side of resistance to compression outer barrel；Anti-rotation locating piece is fixed on
On inner core, in the groove, limitation inner core moves axially and rotates in a circumferential direction.
Preferably, the both ends of the resistance to compression outer barrel are installed using centralizer, have conducting wire and socket inside centralizer；Outside resistance to compression
The both ends of cylinder are equipped with locking nut, there is contact pin, contact pin connection centralizer socket in locking nut.
Preferably, described to further include holddown spring and beryllium copper gasket with brill apparatus structure, holddown spring is arranged on locking screw
Female one end, beryllium copper gasket are contacted with holddown spring.
Preferably, described to further include damping rubber pad with brill apparatus structure, damping rubber pad is arranged on beryllium copper gasket.
Preferably, the anti-rotation locating piece is tightened on inner core by screw rod, screws the protrusion of rear anti-rotation locating piece
The groove location of position and resistance to compression outer barrel fits closely.
Preferably, it is described to further include contact pin seat assembly, circuit board end cap assembly and circuit framework assembly with brill apparatus structure；
Contact pin seat assembly is built-in socket extension bar, and contact pin seat assembly is equipped with one end conducting wire and circuit framework assembly of socket extension bar
Interior circuit board is attached, and circuit board end cap assembly is clipped between contact pin seat assembly and circuit framework assembly.
Preferably, there are PEEK insulating protective sleeves in the outer end of the contact pin seat assembly, and the end face of PEEK insulating protective sleeves is equipped with
Holddown spring.
Preferably, one end of the circuit board end cap assembly both sides is equipped with O-shaped cushion rubber, and other end is equipped with board support
Rubber cushion.
Preferably, four peripheries of the circuit board in the circuit framework assembly are designed with silicone rubber pad.
Preferably, it is described to further include circuit framework connecting shaft, sensor unit, sensor unit left end with brill apparatus structure
Connector, sensor unit right end connector and right end contact pin seat assembly；Circuit framework connect axis connection circuit framework assembly and
Sensor unit left end connector, left end connection sensor unit left end connector, the right end connection sensor of sensor unit
Assembly right end connector；Right end contact pin seat assembly is built-in socket extension bar, and there are PEEK insulating protective sleeves in outer end, and PEEK insulation is protected
There is holddown spring in the end face of sheath.
Compared with prior art, the invention has the advantages that and beneficial effect：
1st, set in resistance to compression cylinder fluted, groove assembling anti-rotation locating piece, anti-rotation locating piece is fixed on inner core, is limited
Inner core axial movement is made and has rotated in a circumferential direction.
2nd, contact pin is connected by locking nut with the socket in centralizer, and locking nut one end is equipped with holddown spring, the pressure
Tight spring can move left and right socket extension bar and outer end insulating protective sleeve, so that the contact pin in locking nut is lengthened with socket
The contact of bar is even closer.
3rd, circuit board end cap assembly side is equipped with O-shaped cushion rubber, and the other end is equipped with board support rubber cushion, O-shaped cushion rubber and electricity
Road plate support rubber cushion plays circuit board cushioning effect, and there is silicone rubber pad on four peripheries of circuit board, and protection circuit plates, make it
Reliably and securely work, make accuracy of instrument accurate, durable.
4th, instrument removal, easy for installation, suitable for complex formation, high temperature, high pressure underground work environment.
Brief description of the drawings
Fig. 1 is the cross-sectional view of the embodiment of the present invention；
In figure, 1. resistance to compression outer barrels, 2. locking nuts, 3. holddown springs, 4. beryllium copper gaskets, 5. damping rubber pads, 6. anti-rotations determine
Position block, 7. contact pin seat assemblies, 8. circuit board end cap assemblies, 9. circuit framework assemblies, 10. circuit framework connecting shafts, 11. sensors
Assembly left end connector, 12. sensor units, 13. sensor unit right end connectors, 14. right end contact pin seat assemblies.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples, but the implementation of the present invention is not limited to this.
Embodiment
As shown in Figure 1, the present invention includes resistance to compression outer barrel 1, inner core, 1 material of resistance to compression outer barrel is designed using Nitronic50, i.e.,
It is again good without magnetic, compression strength；The both ends of resistance to compression outer barrel, which are equipped with, is used to installing the threaded hole of centralizer, both ends sealing surface and helps
Positive device connection, plays sealing function；The inside deep hole roughness and machining accuracy of resistance to compression outer barrel are very high, so that in installation inner core
When frictional force very little, play a protective role to O-shaped cushion rubber, also function to good cushioning effect.
The present invention is equipped with the groove of a circumference 1/3 in the one end side of resistance to compression outer barrel 1, and the effect of groove is in making
The mandrel of core cannot produce axial movement and cannot produce and circumferentially rotate.The both ends of resistance to compression outer barrel are installed using centralizer, righting
There are conducting wire and socket inside device, be connected through a screw thread and O-shaped rubber sealing.The both ends of resistance to compression outer barrel are equipped with locking nut 2, locking
There is contact pin in nut 2, contact pin connection centralizer socket, inside and outside can adjust the mounting distance of contact pin and socket arrives contact pin adjusting
Suitable fixed position.There is a holddown spring 3 in locking nut one end, and beryllium copper gasket 4 is contacted with holddown spring, and locking nut will
Holddown spring plays the role of self-locking and holds out against inner core after holding out against, the beryllium copper gasket 4 contacted with holddown spring 3 uniformly divides power
Cloth is on inner core.Damping rubber pad 5 is arranged on beryllium copper gasket, is axially playing cushioning effect, vibrations of the buffering inner core in underground.
The similar cam structure of 6 shape of anti-rotation locating piece, anti-rotation locating piece 6 are fixed on inner core, in resistance to compression outer barrel 1
In the above-mentioned groove in portion, limit inner core axial movement and rotate in a circumferential direction.Anti-rotation locating piece 6 has three screw holes above, is pacifying
Three screw holes are installed screw rod during dress to be spun on inner core and not screw, such anti-rotation locating piece 6 just has necessarily on inner core
The amount of moving radially, inner core is shifted onto in resistance to compression outer barrel 1 in this state, then the projection portion of anti-rotation locating piece 6 is moved
In groove inside to resistance to compression outer barrel 1, the raised position of anti-rotation locating piece 6 is just installed in the groove inside resistance to compression outer barrel 1,
Finally three screw rods on anti-rotation locating piece 6 are screwed, screw rear anti-rotation locating piece 6 raised position and resistance to compression outer barrel 1 it is recessed
Groove location fits closely, and this prevents inner core axial movement and circumferentially rotates.
Contact pin seat assembly 7 is arranged on anti-rotation locating piece 6, and contact pin seat assembly 7 and inner core circuit framework assembly 9 are connected with bolt
It is connected together, is circuit board end cap assembly 8 between contact pin seat assembly 7 and inner core circuit framework assembly 9.Contact pin seat assembly 7 is built-in
There is socket extension bar, outer end there are PEEK insulating protective sleeves, and there is holddown spring in the end face of protective case, and holddown spring can lengthen socket
Bar and outer end PEEK insulating protective sleeves move left and right, and can so make inserting in the contact pin and contact pin seat assembly 7 in locking nut
Seat extension bar contact is even closer, can't damage the socket extension bar in the contact pin in locking nut and contact pin seat assembly 7.Insert
One end equipped with socket extension bar is attached with the circuit board in conducting wire and circuit framework assembly 9 in needle stand assembly 7, circuit board
End cap assembly 8 is clipped between contact pin seat assembly 7 and circuit framework assembly 9.
One end of 8 both sides of circuit board end cap assembly is O-shaped cushion rubber, and other end is board support rubber cushion, O-shaped cushion rubber and
Board support rubber cushion all plays main function to circuit board damping.Four peripheries of the circuit board in circuit framework assembly 9 are all
There is silicone rubber pad, play protection circuit plates and cushioning effect, design comparison is reliable and secure, and especially cushioning effect is very good, makes
Accuracy of instrument is accurate, durable.Circuit framework connecting shaft 10 connects circuit framework assembly 9 and sensor unit left end connector 11,
12 left end of sensor unit connection sensor unit left end connector 11, right end connection sensor unit right end connector 13.It is right
Socket extension bar is housed in end contact pin seat assembly 14, outer end there are PEEK insulating protective sleeves, and there is pressure in the end face of PEEK insulating protective sleeves
Tight spring, holddown spring can move left and right socket extension bar and outer end PEEK insulating protective sleeves, can so lock right end
Socket extension bar contact in contact pin and right end contact pin seat assembly 14 in nut is even closer, can't damage right end locking screw
The socket extension bar in contact pin and right end contact pin seat assembly 14 in mother.Equipped with socket extension bar in right end contact pin seat assembly 14
One end is attached with the wiring board in conducting wire and sensor unit 12.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention and from above-described embodiment
Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (10)
1. it is a kind of suitable for high temperature orientation survey with boring apparatus structure, it is characterised in that including resistance to compression outer barrel, inner core and anti-rotation
Locating piece, the one end side of resistance to compression outer barrel is interior to be equipped with a groove；Anti-rotation locating piece is fixed on inner core, installed in the groove
In, limitation inner core moves axially and rotates in a circumferential direction.
2. it is according to claim 1 suitable for high temperature orientation survey with boring apparatus structure, it is characterised in that the resistance to compression
The both ends of outer barrel are installed using centralizer, have conducting wire and socket inside centralizer；The both ends of resistance to compression outer barrel are equipped with locking nut, lock
There are contact pin, contact pin connection centralizer socket in tight nut.
3. it is according to claim 2 suitable for high temperature orientation survey with boring apparatus structure, it is characterised in that it is described with brill
Apparatus structure further includes holddown spring and beryllium copper gasket, and holddown spring is arranged on one end of locking nut, and beryllium copper gasket is with compressing
Spring contacts.
4. it is according to claim 3 suitable for high temperature orientation survey with boring apparatus structure, it is characterised in that it is described with brill
Apparatus structure further includes damping rubber pad, and damping rubber pad is arranged on beryllium copper gasket.
5. it is according to claim 1 suitable for high temperature orientation survey with boring apparatus structure, it is characterised in that the anti-rotation
Locating piece is tightened on inner core by screw rod, screws the raised position of rear anti-rotation locating piece and the groove location of resistance to compression outer barrel
Fit closely.
6. it is according to claim 1 suitable for high temperature orientation survey with boring apparatus structure, it is characterised in that it is described with brill
Apparatus structure further includes contact pin seat assembly, circuit board end cap assembly and circuit framework assembly；Contact pin seat assembly is built-in to have socket to add
Stock, one end that contact pin seat assembly is equipped with socket extension bar are attached with the circuit board in conducting wire and circuit framework assembly, electricity
Road plate end cap assembly is clipped between contact pin seat assembly and circuit framework assembly.
7. it is according to claim 6 suitable for high temperature orientation survey with boring apparatus structure, it is characterised in that the contact pin
There are PEEK insulating protective sleeves in the outer end of seat assembly, and the end face of PEEK insulating protective sleeves is equipped with holddown spring.
8. it is according to claim 6 suitable for high temperature orientation survey with boring apparatus structure, it is characterised in that the circuit
One end of plate end cap assembly both sides is equipped with O-shaped cushion rubber, and other end is equipped with board support rubber cushion.
9. it is according to claim 6 suitable for high temperature orientation survey with boring apparatus structure, it is characterised in that the circuit
Four peripheries of the circuit board in frame assembly are designed with silicone rubber pad.
10. it is according to claim 6 suitable for high temperature orientation survey with boring apparatus structure, it is characterised in that it is described with
Bore apparatus structure and further include circuit framework connecting shaft, sensor unit, sensor unit left end connector, sensor unit right end
Connector and right end contact pin seat assembly；Circuit framework connects axis connection circuit framework assembly and sensor unit left end connector,
Left end connection sensor unit left end connector, the right end connection sensor unit right end connector of sensor unit；Right end is inserted
Socket extension bar is housed in needle stand assembly, outer end there are PEEK insulating protective sleeves, and there is holddown spring in the end face of PEEK insulating protective sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711417026.6A CN108005638A (en) | 2017-12-25 | 2017-12-25 | It is a kind of suitable for high temperature orientation survey with boring apparatus structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711417026.6A CN108005638A (en) | 2017-12-25 | 2017-12-25 | It is a kind of suitable for high temperature orientation survey with boring apparatus structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108005638A true CN108005638A (en) | 2018-05-08 |
Family
ID=62060886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711417026.6A Withdrawn CN108005638A (en) | 2017-12-25 | 2017-12-25 | It is a kind of suitable for high temperature orientation survey with boring apparatus structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108005638A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888563A (en) * | 2019-04-18 | 2019-06-14 | 中国科学院地质与地球物理研究所 | One kind is with brill instrument multicore straight cutting electric connection structure |
| CN116066085A (en) * | 2022-11-28 | 2023-05-05 | 中国石油天然气集团有限公司 | Drilling fluid leakage position measuring device and measuring method |
-
2017
- 2017-12-25 CN CN201711417026.6A patent/CN108005638A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888563A (en) * | 2019-04-18 | 2019-06-14 | 中国科学院地质与地球物理研究所 | One kind is with brill instrument multicore straight cutting electric connection structure |
| CN109888563B (en) * | 2019-04-18 | 2021-04-20 | 中国科学院地质与地球物理研究所 | Multi-core direct-plug electric connection structure for drilling instrument |
| CN116066085A (en) * | 2022-11-28 | 2023-05-05 | 中国石油天然气集团有限公司 | Drilling fluid leakage position measuring device and measuring method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207701127U (en) | It is a kind of suitable for high temperature orientation survey with boring apparatus structure | |
| US10693268B2 (en) | Conductive slip ring for logging while drilling instrument | |
| CN108005638A (en) | It is a kind of suitable for high temperature orientation survey with boring apparatus structure | |
| CN106068363B (en) | Packaging for electronics in downhole assemblies | |
| WO2020037925A1 (en) | Conductive slip ring device for logging-while-drilling instrument | |
| CN102520250B (en) | Conductive slip-ring dynamic contact resistance measuring tool | |
| KR101003656B1 (en) | Cylinder stroke position measurement device | |
| US10711532B2 (en) | Protection of downhole components from shock and vibration | |
| CN104818952A (en) | Underground electromagnetic control damping elastic centralizing device and control method | |
| WO2021056951A1 (en) | Downhole oil level detection device | |
| CN107782351B (en) | Sensor unit for a bearing | |
| WO2021197178A1 (en) | Self-adjusting damping shock absorber for measurement-while-drilling tool and adjustment method thereof | |
| CN105855578A (en) | Combined boring rod device convenient to adjust | |
| CN205297534U (en) | Antidetonation tension magnetic localization logging instrument | |
| CN109441372A (en) | Connection centralizer for measuring instrument | |
| CN112768982B (en) | Temperature-resistant pressure-bearing electric connector for liquid resistivity sensor | |
| US20150171460A1 (en) | Electrolyte Circulation in Fuel Cells Stacks with Reduced Leakage Current | |
| CN101285382B (en) | Lithology density-microballoons focused device composite probe | |
| CN218031252U (en) | Novel shock absorber | |
| CN213297934U (en) | Small borehole three-parameter logging instrument of HOSTILE system | |
| CN112727380A (en) | Sealing centralizer for high-temperature wireless while-drilling system and high-temperature wireless while-drilling system | |
| CN210918886U (en) | Percussion bit of geological exploration drilling machine | |
| CN106320999B (en) | The hermetically sealed suspension of automatic vertical drilling tool supports | |
| CN201773982U (en) | 17-core high voltage plug for drilling apparatus | |
| CN102938523B (en) | Elastic connector used for resistivity electron cabin |
Legal Events
| 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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180508 |