CN104564028B - Nearly drill bit strong magnet activating instrument with automatic protection functions - Google Patents
Nearly drill bit strong magnet activating instrument with automatic protection functions Download PDFInfo
- Publication number
- CN104564028B CN104564028B CN201410848719.0A CN201410848719A CN104564028B CN 104564028 B CN104564028 B CN 104564028B CN 201410848719 A CN201410848719 A CN 201410848719A CN 104564028 B CN104564028 B CN 104564028B
- Authority
- CN
- China
- Prior art keywords
- strong magnet
- sleeve
- inner tube
- drill bit
- nearly drill
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
Abstract
The invention discloses a kind of nearly drill bit strong magnet activating instrument with automatic protection functions; including inner tube, the strong magnet of setting inner tube one end and the first sleeve and second sleeve being set on the outside of inner tube; spring is arranged with inner tube; for connecting the first sleeve and second sleeve; strong magnet is located at the inside of second sleeve, and second sleeve can be slided with respect to inner tube.Also include being used to fix the first sleeve and handle, the pin of limitation second sleeve movement and the strip through-hole being opened in second sleeve of inner tube, handle crosses the first sleeve and inner tube, pin passes through strip through-hole and inner tube, the size of strong magnet and the bit grooves of nearly drill bit to be activated match, second sleeve is squeezed when strong magnet enters bit grooves, is moved to first set direction.Using the present invention design, when not in use sleeve pipe can protect strong magnet, sleeve pipe shrinks automatically when using, and exposes strong magnet, so as to effectively protection strong magnet.
Description
Technical field
The present invention relates to field of petroleum machinery, more particularly to a kind of nearly drill bit strong magnet activation with automatic protection functions
Instrument.
Background technology
In the directed drilling construction of oil, natural gas and coal bed gas etc., it is desirable to which wellbore trace is exactly according to design
Creep into track.Therefore, the accurate orientation survey data for how obtaining nearly drill bit are the successful key factors of directional well construction.With
The development of the technologies such as present drilling technology horizontal well, Multilateral Wells, drillng operation needs to obtain stratum and drilling tool position in time
The instant messages put, this just facilitates developing rapidly for the fields such as nearly drill bit support and measurement, and it can determine well silicon in real time
Base and formation lithology, so as to determine target spot hit situation in real time.
Nearly drill bit instrument can measure the resistivity and natural gamma geologic parameter at drill bit in real time in drilling process.It is near to bore
Head instrument is generally comprised：Resistivity probe unit, for measuring nearly drill bit formation resistivity, generates resistivity data；Gamma is visited
Unit is surveyed, for measuring nearly drill bit gamma rays, gamma ray data is generated；Orientation sensing unit, for measuring nearly drill bit well
Oblique and tool-face, generates directional data；Insulate dipole emission unit, for by resistivity data, gamma ray data and
Directional data passes through wireless electromagnetic transmission to ground.Make various geosteering detection sensors, insulation dipole emission
Device and drill bit are integrated, and make various detection sensors closer to drill bit, realize to before drill bit and drill bit surrounding formation
The prediction of situation, detection sensor collection data by insulate dipole antenna launch, through wireless electromagnetic direct transfer channel transmission
To ground, so as to the timely decision-making of Drilling Design, timely amendment.
There is a chip in nearly drill bit measuring instrument, could only be activated by the strong magnet activating instrument with strong magnet, if
The position for putting the chip is correspondingly arranged on strip through-hole for accommodating strong magnet, but strong magnet is due to the strong absorption of its own
Attribute, often adsorbs many iron filings in use, and this, which is resulted in, is activating the process of chip using strong magnet activating instrument
In nearly drill bit measuring instrument is caused to scratch, shorten the service life of nearly drill bit measuring instrument.
The content of the invention
In order to solve the above-mentioned technical problem, swash the invention provides a kind of nearly drill bit strong magnet with automatic protection functions
Instrument living, can make strong magnet retract when not in use protection sleeve, be exposed sleeve automatically by the attraction of nearly drill bit when using, from
And effectively protect strong magnet.The present invention is including inner tube, the strong magnet of setting said inner tube one end and is set in said inner tube
First sleeve and second sleeve in outside, wherein,
It is arranged with spring in said inner tube, one end of the spring and first sleeve connection, the other end and described the
Two sleeve connections, the strong magnet is located at the inside of the second sleeve, and the second sleeve can be slided with respect to said inner tube.
The handle that also includes being used for fixing first sleeve and inner tube, the pin of the limitation second sleeve movement and
The strip through-hole in second sleeve is opened in, the handle crosses first sleeve and inner tube, and the pin passes through the bar
Shape through hole and inner tube,
The size of the strong magnet and the bit grooves of nearly drill bit to be activated match, and the second sleeve is in strong magnet
It is squeezed, is moved to first set direction during into the bit grooves.
Preferably, the strong magnet is cylinder.
Preferably, the strong magnet is connected with said inner tube by adhesive.
Specifically, use for convenience, the second sleeve can reveal the strong magnet to the movement of the first sleeve direction
Go out.
Preferably, in order to strengthen magnetic force, the quantity of the strong magnet is individual, a diameter of 15mm of each strong magnet, length
For 10mm.
Alternatively, the quantity of the strong magnet is individual, a diameter of 15mm of strong magnet, and length is 20mm.
Preferably, the material of said inner tube is aluminium.
Preferably, first sleeve and the material of second sleeve are plastics.
The nearly drill bit strong magnet activating instrument with automatic protection functions that the present invention is provided, when not in use, strong magnet are ensconced
Second inside pipe casing, in use, when strong magnet is close to the bit grooves of nearly drill bit to be activated, due to magnetic attraction effect, second
Sleeve pipe is compressed by jack-up, spring, and strong magnet exposes, into bit grooves.Using the present invention, sleeve pipe can be protected when not in use
Strong magnet, sleeve pipe shrinks automatically when using, and exposes strong magnet, so as to effectively protection strong magnet.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art and advantage, below will be to implementing
The accompanying drawing used required in example or description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
Only it is some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation before the nearly drill bit strong magnet activating instrument use with automatic protection functions that the present invention is provided
Figure；
Fig. 2 is the profile in A-A faces in Fig. 1；
Fig. 3 is another angle before the nearly drill bit strong magnet activating instrument use with automatic protection functions that the present invention is provided
Structural representation；
Fig. 4 is the structural representation in the nearly drill bit strong magnet activating instrument use with automatic protection functions that the present invention is provided
Figure；
Fig. 5 is the profile in A-A faces in Fig. 1；
Fig. 6 is another angle in the nearly drill bit strong magnet activating instrument use with automatic protection functions that the present invention is provided
Structural representation；
In figure：The sleeves of 1- first, 2- handles, 3- springs, 4- second sleeves, 5- pins, 6- strong magnets, 7- inner tubes, 8- is bored
Head groove, 9- strip through-holes.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
Embodiment：
Fig. 1-Fig. 6 is referred to, is swashed the embodiments of the invention provide a kind of nearly drill bit strong magnet with automatic protection functions
Instrument living, including inner tube 7, the strong magnet 6 of setting said inner tube 7 one end and the first sleeve 1 for being set in the outside of said inner tube 7
With second sleeve 4, wherein,
Spring 3 is arranged with said inner tube 7, one end of the spring 3 is connected with first sleeve 1, the other end and institute
State second sleeve 4 to connect, the strong magnet 6 is located at the inside of the second sleeve 4, and the second sleeve 2 can be relatively described
Inner tube 7 is slided.
Also include being used to fix first sleeve 1 and handle 2, the pin of the limitation movement of second sleeve 4 of inner tube 7
5 and the strip through-hole 9 that is opened in second sleeve, the handle 2 crosses first sleeve 1 and inner tube 7, the pin 5
Through the strip through-hole 9 and inner tube 7,
The size of the strong magnet 6 and the bit grooves 8 of nearly drill bit to be activated match, and the second sleeve 4 is strong
Magnet 6 is squeezed when entering the bit grooves 8, is moved to the direction of the first sleeve 1.
Preferably, the strong magnet 6 is cylinder.
Preferably, the strong magnet 6 is connected with said inner tube 7 by adhesive.
Specifically, use for convenience, the second sleeve 4 can make the strong magnet 6 to the movement of the direction of the first sleeve 1
Expose.
Preferably, in order to strengthen magnetic force, the quantity of the strong magnet 6 is 2, and a diameter of 15mm of each strong magnet 6 is long
Spend for 10mm.
Alternatively, the quantity of the strong magnet 6 is 1, a diameter of 15mm of strong magnet 6, and length is 20mm.
Preferably, the material of said inner tube 7 is aluminium.
Preferably, first sleeve 1 and the material of second sleeve 4 are plastics.
The nearly drill bit strong magnet activating instrument with automatic protection functions that the present invention is provided, when not in use, strong magnet are ensconced
Second inside pipe casing, in use, when strong magnet is close to the bit grooves of nearly drill bit to be activated, due to magnetic attraction effect, second
Sleeve pipe is compressed by jack-up, spring, and strong magnet exposes, into bit grooves.Using the present invention, sleeve pipe can be protected when not in use
Strong magnet, sleeve pipe shrinks automatically when using, and exposes strong magnet, so as to effectively protection strong magnet.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. the nearly drill bit strong magnet activating instrument with automatic protection functions, it is characterised in that including inner tube (7), set in described
The first sleeve (1) and second sleeve (4) managed the strong magnet (6) of (7) one end and be set on the outside of said inner tube (7), its
In,
Spring (3) is arranged with said inner tube (7), one end of the spring (3) is connected with first sleeve (1), the other end
It is connected with the second sleeve (4), the strong magnet (6) is located at the inside of the second sleeve (4), the second sleeve (4)
It can be slided with respect to said inner tube (7)；
Mobile also including the handle (2) for fixing first sleeve (1) and inner tube (7), the limitation second sleeve (4)
Pin (5) and the strip through-hole (9) being opened in the second sleeve, the handle (2) cross first sleeve (1) and
Inner tube (7), the pin (5) passes through the strip through-hole (9) and inner tube (7),
The size of the strong magnet (6) matches with the bit grooves (8) of nearly drill bit to be activated, and the second sleeve (4) exists
Strong magnet (6) is squeezed when entering the bit grooves (8), is moved to the first sleeve (1) direction.
2. the nearly drill bit strong magnet activating instrument according to claim 1 with automatic protection functions, it is characterised in that described
Strong magnet (6) is cylinder.
3. the nearly drill bit strong magnet activating instrument according to claim 1 or 2 with automatic protection functions, it is characterised in that
The strong magnet (6) is connected with said inner tube (7) by adhesive.
4. the nearly drill bit strong magnet activating instrument according to claim 3 with automatic protection functions, it is characterised in that described
Second sleeve (4) can expose the strong magnet (6) to the movement of the first sleeve (1) direction.
5. the nearly drill bit strong magnet activating instrument with automatic protection functions according to claim 1 or 2 or 4, its feature exists
In the quantity of the strong magnet (6) is 1.
6. the nearly drill bit strong magnet activating instrument according to claim 5 with automatic protection functions, it is characterised in that described
A diameter of 15mm of strong magnet (6), length is 20mm.
7. the nearly drill bit strong magnet activating instrument with automatic protection functions according to claim 1 or 2 or 4, its feature exists
In the quantity of the strong magnet (6) is 2.
8. the nearly drill bit strong magnet activating instrument according to claim 7 with automatic protection functions, it is characterised in that described
A diameter of 15mm of each strong magnet (6), length is 10mm.
9. the nearly drill bit strong magnet activating instrument according to claim 1 with automatic protection functions, it is characterised in that described
The material of inner tube (7) is aluminium.
10. the nearly drill bit strong magnet activating instrument according to claim 1 with automatic protection functions, it is characterised in that institute
The material for stating the first sleeve (1) and second sleeve (4) is plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410848719.0A CN104564028B (en) | 2014-12-31 | 2014-12-31 | Nearly drill bit strong magnet activating instrument with automatic protection functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410848719.0A CN104564028B (en) | 2014-12-31 | 2014-12-31 | Nearly drill bit strong magnet activating instrument with automatic protection functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104564028A CN104564028A (en) | 2015-04-29 |
| CN104564028B true CN104564028B (en) | 2017-10-27 |
Family
ID=53081013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410848719.0A Active CN104564028B (en) | 2014-12-31 | 2014-12-31 | Nearly drill bit strong magnet activating instrument with automatic protection functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104564028B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640044A (en) * | 2016-11-14 | 2017-05-10 | 成都欧米伽电子技术有限公司 | Pulse generator fixing and protecting device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009151684A2 (en) * | 2008-03-14 | 2009-12-17 | Services Petroliers Schlumberger | Temperature triggered actuator |
| CN103443393A (en) * | 2011-03-15 | 2013-12-11 | 贝克休斯公司 | Remote subterranean tool activation system |
| CN204492804U (en) * | 2014-12-31 | 2015-07-22 | 贝兹维仪器(苏州)有限公司 | There is the nearly drill bit strong magnet activating instrument of automatic protection functions |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69123260T2 (en) * | 1990-12-05 | 1997-06-12 | Numar Corp | ARRANGEMENT FOR MEASURING A DRILL HOLE DURING DRILLING |
| CN101221865B (en) * | 2008-01-17 | 2011-06-01 | 上海交通大学 | Magnetic driven switch device of power system |
| CN201210150Y (en) * | 2008-06-02 | 2009-03-18 | 林俊明 | Semi-automatic rotary probe apparatus |
| CN201857949U (en) * | 2010-11-04 | 2011-06-08 | 东北石油大学 | Vibration failure early-warning device of drill column |
| CN102052069A (en) * | 2010-11-22 | 2011-05-11 | 中联煤层气国家工程研究中心有限责任公司 | Near-bit measurement while drilling (MWD) system and method |
| CN201915948U (en) * | 2010-12-21 | 2011-08-03 | 中国石油天然气集团公司 | Rotary magnetic source nipple for remote intersection of coal bed gas drilling |
| CN202448134U (en) * | 2012-02-24 | 2012-09-26 | 三星高新电机（天津）有限公司 | Falling object pickup device |
| CN203383765U (en) * | 2013-08-13 | 2014-01-08 | 中国石油化工股份有限公司 | Internal fishing tube strong magnetic fisher |
-
2014
- 2014-12-31 CN CN201410848719.0A patent/CN104564028B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009151684A2 (en) * | 2008-03-14 | 2009-12-17 | Services Petroliers Schlumberger | Temperature triggered actuator |
| CN103443393A (en) * | 2011-03-15 | 2013-12-11 | 贝克休斯公司 | Remote subterranean tool activation system |
| CN204492804U (en) * | 2014-12-31 | 2015-07-22 | 贝兹维仪器(苏州)有限公司 | There is the nearly drill bit strong magnet activating instrument of automatic protection functions |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104564028A (en) | 2015-04-29 |
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