CN201221352Y - Induction type downhole data connecting apparatus - Google Patents
Induction type downhole data connecting apparatus Download PDFInfo
- Publication number
- CN201221352Y CN201221352Y CNU2008201085045U CN200820108504U CN201221352Y CN 201221352 Y CN201221352 Y CN 201221352Y CN U2008201085045 U CNU2008201085045 U CN U2008201085045U CN 200820108504 U CN200820108504 U CN 200820108504U CN 201221352 Y CN201221352 Y CN 201221352Y
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- coil
- pipe nipple
- loop
- signal
- measurement pipe
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Abstract
The utility model relates to the drilling field, in particular to an induction-type underground data connection device, which aims to solve the problem that the signal transmission is not very reliable in the prior art. In the technical proposal of the induction type underground data connection device, a measurement short-end wire is electrically connected with a coil A; the data collected by an underground sensor are transmitted to the coil A; the coil A generates electromagnetic signals according to the signals; a telemetry short-end wire is electrically connected with a coil B; the coil B receives the electromagnetic signals and transmits electrical signals corresponding to the electromagnetic signals to a following circuit; and the following circuit converts the electrical signals into the signals to be processed by a telemetry system. The utility model has the advantages of ensuring the excellent transmission of the underground data, and preventing the problem that the contact connector can easily cause an open circuit in the environment with vibration. And the utility model can be easily sealed.
Description
Technical field
The utility model relates to field of data transmission, and particularly the data transmission technology between downhole tool in wellbore construction such as petroleum gas, geological prospecting measurement while drilling and the well logging during operation is a kind of induction type downhole data linkage concretely.
Background technology
Current at oil, the mine, in the drilling engineerings such as geological prospecting for wellbore trace is crept into according to the engineering design requirement more accurately, and grasp formation information more promptly and accurately, just need be installed in position to orientation sensor and the sensors such as sensor of gathering geological information near drill bit.These sensors are along with creeping in the down-hole of rig measured, simultaneously sensor measurement to data also to sense telemetry system in real time and be transferred to ground so that make engineers and technicians in time understand the variation of the track and the formation information of pit shaft.And the system of this induction underground survey information is called " induction type downhole data connector ".
In the prior art, transmit " the contact transmission method " that underground survey information generally adopts data-link contact pin contact downhole data connector in the drilling engineering." contact transmission method ", as shown in Figure 1, measuring system 104 has banjo 101, telemetry system 103 has combination hub 102, with banjo 101 with combination hub 102 is connected measuring system 104 and telemetry system 103, the data that measuring apparatus obtains are transferred to telemetry system 103 by banjo 101.But when this method was measured in the down-hole, because measuring system 104 and telemetry system 103 lay respectively at two pipe nipples, so the banjo between the pipe nipple is difficult for sealing, mud was invaded easily, causes short circuit, connects not really reliable; In addition, because the strenuous vibration of downhole instrument causes opening circuit of banjo and measuring system easily, data can not be transmitted normally.
Chinese invention patent publication number CN1975095A, denomination of invention is " a kind of band spool joint that has current circuit inductive coupler ", this scheme discloses a kind of firm band spool joint, makes and can also work when there is the space in conducting shell.And this scheme adopts plug to connect equally between measuring system and telemetry system, though the design of plug is very special, is difficult to the stability of assurance work under the bad working environment of down-hole.
China utility model patent notification number CN2599238Y, name is called " downhole parameters measurement radio transmitting device " and discloses by the down-hole oscillator and vibrated according to downhole parameters, by the oil pipe transmitting vibrations, and receive, analyze described vibration on ground and draw down-hole information.Transmit signal though save lead, drilling tool itself just produces vibration, disturbs so can produce the vibration that oscillator generates, and influences the accuracy that ground receives data.
In the introducing mode above-mentioned technology contents is incorporated in the application.
The utility model content
The purpose of this utility model is to provide a kind of induction type downhole data linkage, is used for solving prior art and uses contact pin, socket to carry out the data connection between measurement pipe nipple and remote measurement pipe nipple, causes damage easily, problems such as transfer of data instability.
To achieve these goals, the utility model embodiment provides a kind of induction type downhole data linkage, comprises measuring pipe nipple end lead and remote measurement pipe nipple end lead, it is characterized in that this linkage also comprises loop A, coil B, late-class circuit; Described measurement pipe nipple end lead is electrically connected with described loop A, sends the data of downhole sensor collection to described loop A, and described loop A generates electromagnetic signal according to described data; Described remote measurement pipe nipple end lead is electrically connected with described coil B, and described coil B receives described electromagnetic signal, and sends the signal of telecommunication of described electromagnetic signal correspondence to late-class circuit, and described late-class circuit is converted to the described signal of telecommunication signal of handling for telemetry system.
A further aspect according to a kind of induction type downhole data linkage described in the utility model, described late-class circuit comprises comparison circuit and level shifting circuit, described comparison circuit receives the signal of telecommunication of described coil B output, the described signal of telecommunication is rectified into square wave, described level shifting circuit receives described square-wave signal, described square-wave signal is converted to the signal that meets rs-232 standard.
Another further aspect according to a kind of induction type downhole data linkage described in the utility model, described loop A and coil B have a magnetic shield respectively, each described magnetic shield is placed in described loop A and coil B periphery respectively, makes coil B receive only the electromagnetic signal of loop A radiation.
According to another further aspect of a kind of induction type downhole data linkage described in the utility model, the corresponding side of described loop A and coil B has a magnetic conduction gland respectively, prevents that loop A from directly contacting with coil B.
According to another further aspect of a kind of induction type downhole data linkage described in the utility model, described loop A and coil B have the damping, buffering pad respectively, to reduce to vibrate the influence to loop A and coil B.
Another further aspect according to a kind of induction type downhole data linkage described in the utility model, also comprise a joint and joint chair, described joint is a projection, described joint chair is a groove, described loop A or coil B are socketed on described joint, described coil B or loop A are socketed on described joint chair, thereby described joint is plugged in the mutual alignment of fixing described loop A and coil B in the described joint chair.
Another further aspect according to a kind of induction type downhole data linkage described in the utility model, have damper on the pipe nipple wall of the remote measurement pipe nipple at described coil B place, be used to reduce of the vibration of described remote measurement pipe nipple outer side sleeve described remote measurement pipe nipple.
The beneficial effect of the utility model embodiment is, the easier sealing of the utility model compared with prior art stops mud to overflow into the instrument storehouse, guarantees that instrument is not destroyed.In addition, guarantee the good communication of downhole data, avoided contact type connector under vibration environment, the problem that opens circuit easily.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, does not constitute qualification of the present utility model.In the accompanying drawings:
Fig. 1 is that prior art is measured pipe nipple and remote measurement pipe nipple data link structure chart;
Fig. 2 is the utility model functional block diagram;
Fig. 3 is the utility model circuit theory diagrams;
Fig. 4 is that the utility model is measured the pipe nipple structural representation;
Fig. 5 is the utility model remote measurement pipe nipple structural representation;
Fig. 6 is that the utility model is measured the structural representation that pipe nipple is connected with the remote measurement pipe nipple.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer,, the utility model is described in further details below in conjunction with embodiment and accompanying drawing.At this, exemplary embodiment of the present utility model and explanation thereof are used to explain the utility model, but not as to qualification of the present utility model.
The utility model embodiment provides a kind of induction type downhole data linkage, has solved in the prior art to measure between pipe nipple and the remote measurement pipe nipple to carry out the deficiency that data are connected by lead.
Be illustrated in figure 2 as the utility model functional block diagram, comprise measuring system 201, loop A 202, coil B203, late-class circuit 204, telemetry system 205; Described measuring system 201 is connected with described loop A 202, described loop A 202 passes data with described coil B203 mutually by the magnetic induction signal, described coil B203 is connected with described late-class circuit 204, and described late-class circuit 204 is connected with described telemetry system 205.
Measuring system 201 is positioned near the drilling tools such as drill bit, gathers the real-time status supplemental characteristic of described drilling tool.
Loop A 202, the drilling tool state parameter data of gathering according to described measuring system 201 generate corresponding electromagnetic signal.
Coil B203 receives the electromagnetic signal that described loop A 202 is launched, and sends described electromagnetic signal to late-class circuit 204.
Late-class circuit 204, the signal of telecommunication that above-mentioned electromagnetic signal is produced is converted to standard RS-232 signal.
Telemetry system 205 receives above-mentioned RS-232 signal, and this signal is presented to the operator.
Downhole data linkage of the present utility model receives the status signal of the drilling tool of measuring system 201 outputs by loop A 202, described loop A 202 sends described signal by the mode of electromagnetic signal, described coil B203 receives above-mentioned electromagnetic signal, and be transported to late-class circuit 204 and carry out signal conversion, finally the signal format with RS-232 exports telemetry system 205 to.
Be illustrated in figure 3 as the utility model circuit theory diagrams, measuring system output drilling tool status data Ui, amplify described Ui by triode Q1, and send described status signal to coil 302, described coil 302 is launched described status signal by the mode of electromagnetic signal, described coil 303 receives described status signal, and sends late-class circuit 304 to and carry out the signal conversion.Described late-class circuit 304 further comprises, comparator U1 and level translator U2, described comparator U1 is used for the whole ripple of described status signal, the electromagnetic signal of its described representative status signal is become square wave, described level translator U2 is used for described square wave is converted to the signal of telecommunication Uo that meets standard RS-232, and telemetry system (figure does not show) receives described signal of telecommunication Uo and is used to present to operating personnel.
Be illustrated in figure 4 as the utility model and measure the pipe nipple structural representation, comprise shell 401, magnetic shield 402, induction coil A403, damping, buffering pad 404, flap 405, positioning sleeve 406, gland 407, joint 408, lead 409.Induction coil A403 is contained in the magnetic shield 402; by damping, buffering pad 404 shock-absorbing protecting coils; positioning sleeve 406 is contained in and prevents coil and joint 408 collisions in the coil endoporus; by gland 407 magnetic shield 402 and induction coil A403 etc. is fixed in the shell 401; shell 401 usefulness are threaded in the flap 405; so both guarantee the reliability that connects, guaranteed sealing again.Described joint 408 is used for described measurement pipe nipple and remote measurement pipe nipple are fixed, described lead 409 1 ends pass shell 401, magnetic shield 402, damping, buffering pad 404 and are electrically connected with induction coil A403, near the other end sensor (figure do not show) with drilling tool is connected, orientation sensor and gather the sensor of geological information for example, the signal that described sensor is detected sends described induction coil A403 in a sequential manner to, for example elder generation sends the signal of orientation sensor to induction coil A403, and the signal that will gather the sensor of geological information again sends induction coil A403 to.
As preferred embodiment, described damping, buffering pad 404 can also be wrapped in the periphery of described induction coil A403, to reduce to vibrate the influence to described induction coil A403.
Be illustrated in figure 5 as the utility model remote measurement pipe nipple structural representation, comprise shell 501, gland 502, magnetic shield 503, induction coil B504, damping, buffering pad 505, wiring board 506, fastener 507, pin 508, pipe nipple wall 509, joint chair 510, lead 511, damper 512.Induction coil B504 is installed in the magnetic shield 503, and described induction coil B504 back is connected with damping, buffering pad 505,505 cushioning effects of this damping, buffering pad; Described wiring board 506 passes described damping, buffering pad 505 and is connected with described induction coil B504, circuit on this wiring board 506 is shown in the late-class circuit among Fig. 3 304, and being mainly used in the measuring-signal that receives of the described induction coil B504 of conversion is standard RS-232 signal; Shell 501 is connected on the fastener 507 by pin 508, more carefully locate one spring 513 to be installed at shell 501 diameters with fastener 507 connecting portions, fastener 507 is by being threaded on the pipe nipple wall 509, described spring 513 can make shell 501 that certain pretightning force is arranged in the axial direction, and it is tightr reliable that shell 501 is connected with fastener 507.Described joint chair 510 is used for holding the joint 408 of Fig. 4, can locate by the structure of joint 408 and joint chair 510 grafting the measurement pipe nipple is connected with the remote measurement pipe nipple.Described lead 511 1 ends are connected with described wiring board 506, and the other end is connected with the telemetry system on ground along described remote measurement pipe nipple is inner, and the measuring-signal of the RS-232 type after the conversion is presented to operating personnel.Described damper 512 is connected in the outside of described pipe nipple wall 509, and it comprises outer layer rubber and internal layer bolt, described remote measurement pipe nipple is fixed in the sleeve, and plays the effect of damping.
As preferred embodiment, described damping, buffering pad 505 can also be wrapped in the periphery of described induction coil B504, to reduce to vibrate the influence to described induction coil B504.
Be illustrated in figure 6 as the utility model and measure the structural representation of pipe nipple and the combination of remote measurement pipe nipple, comprise and measure pipe nipple end induction coil A shell 601, measure pipe nipple end magnetic shield 602, induction coil A603, measure pipe nipple end damping, buffering pad 604, measure pipe nipple end flap 605, measure pipe nipple end positioning sleeve 606, measure pipe nipple end gland 607, measure pipe nipple end joint 608, measure pipe nipple end lead 609, remote measurement pipe nipple end induction coil B shell 610, remote measurement pipe nipple end gland 611, remote measurement pipe nipple end magnetic shield 612, induction coil B613, remote measurement pipe nipple end damping, buffering pad 614, remote measurement pipe nipple end line plate 615, remote measurement pipe nipple end fastener 616, remote measurement pipe nipple end pin 617, remote measurement pipe nipple end pipe nipple wall 618, remote measurement pipe nipple termination seat 619, remote measurement pipe nipple end lead 620, remote measurement pipe nipple end damper 621, remote measurement pipe nipple end sleeve 622, remote measurement pipe nipple end spring 623.
Induction coil A603 is contained in and measures in the pipe nipple end magnetic shield 602; by measuring pipe nipple end damping, buffering pad 604 shock-absorbing protecting loop A; measurement pipe nipple end positioning sleeve 606 is contained in and prevents coil in the coil endoporus and measure 608 collisions of pipe nipple end joint; to measure pipe nipple end magnetic shield 602 and induction coil A603 etc. by measurement pipe nipple end gland 607 is fixed in the measurement pipe nipple end housing 601; measuring pipe nipple end housing 601 usefulness is threaded in the measurement pipe nipple end flap 605; so both guarantee the reliability that connects, guaranteed sealing again.Described measurement pipe nipple end joint 608 is used for described measurement pipe nipple and remote measurement pipe nipple are fixed, described measurement pipe nipple end lead 609 1 ends pass measures pipe nipple end housing 601, measure pipe nipple end magnetic shield 602, measuring pipe nipple end damping, buffering pad 604 is electrically connected with induction coil A603, near the other end sensor (figure do not show) with drilling tool is connected, orientation sensor and gather the sensor of geological information for example, the signal that described sensor is detected sends described induction coil A603 in a sequential manner to, for example elder generation sends the signal of orientation sensor to induction coil A603, and the signal that will gather the sensor of geological information again sends induction coil A603 to.
Remote measurement pipe nipple end induction coil B613 is installed in the remote measurement pipe nipple end magnetic shield 612, and described induction coil B613 back is connected with remote measurement pipe nipple end damping, buffering pad 614,614 cushioning effects of this remote measurement pipe nipple end damping, buffering pad; Described remote measurement pipe nipple end line plate 615 passes described remote measurement pipe nipple end damping, buffering pad 614 and is connected with described induction coil B613, circuit on this remote measurement pipe nipple end line plate 615 is shown in the late-class circuit among Fig. 3 304, and being mainly used in the measuring-signal that receives of the described induction coil B613 of conversion is standard RS-232 signal; Remote measurement pipe nipple end housing 610 is connected on the remote measurement pipe nipple end fastener 616 by remote measurement pipe nipple end pin 617, more carefully locate one spring 623 to be installed at remote measurement pipe nipple end housing 610 diameters with remote measurement pipe nipple end fastener 616 connecting portions, remote measurement pipe nipple end fastener 616 is by being threaded on the remote measurement pipe nipple end pipe nipple wall 618, this spring 623 can make remote measurement pipe nipple end housing 610 that certain pretightning force is arranged in the axial direction, and it is tightr reliable that remote measurement pipe nipple end housing 610 is connected with remote measurement pipe nipple end fastener 616.Described remote measurement pipe nipple termination seat 619 is used to hold measures pipe nipple end joint 608, and the measurement pipe nipple that makes that can be more firm by the structure of measurement pipe nipple end joint 608 and 619 grafting of remote measurement pipe nipple termination seat is connected with the remote measurement pipe nipple.Described remote measurement pipe nipple end lead 520 1 ends are connected with described remote measurement pipe nipple end line plate 615, and the other end is connected with the telemetry system on ground along described remote measurement pipe nipple is inner, and the measuring-signal of the RS-232 form after the conversion is presented to operating personnel.Described remote measurement pipe nipple end damper 621 is connected in the outside of described remote measurement pipe nipple end pipe nipple wall 618, and it comprises outer layer rubber and internal layer bolt, described remote measurement pipe nipple is fixed in the remote measurement pipe nipple end sleeve 622, and plays the effect of damping.
Described measurement pipe nipple end flap 605 is socketed in the remote measurement pipe nipple end sleeve 622, described measurement pipe nipple end gland 607 contacts (perhaps having certain distance) with remote measurement pipe nipple end gland 611, makes and can transmit signal by electromagnetic induction between induction coil A and the induction coil B.
The beneficial effects of the utility model are, between measurement pipe nipple and remote measurement pipe nipple, use induction coil to replace the design of contact pin of the prior art, socket, the easier sealing of the utility model compared with prior art stops mud to overflow into the instrument storehouse, guarantees that instrument is not destroyed.In addition, guarantee the good communication of downhole data, avoided contact type connector under vibration environment, the problem that opens circuit easily.
The above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is the specific embodiment of the present utility model; and be not used in and limit protection domain of the present utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. an induction type downhole data linkage comprises and measures pipe nipple end lead and remote measurement pipe nipple end lead, it is characterized in that this linkage also comprises loop A, coil B, late-class circuit; Described measurement pipe nipple end lead is electrically connected with described loop A, sends the data of downhole sensor collection to described loop A, and described loop A generates electromagnetic signal according to described data; Described remote measurement pipe nipple end lead is electrically connected with described coil B, and described coil B receives described electromagnetic signal, and sends the signal of telecommunication of described electromagnetic signal correspondence to late-class circuit, and described late-class circuit is converted to the described signal of telecommunication signal of handling for telemetry system.
2. a kind of induction type downhole data linkage according to claim 1, it is characterized in that described late-class circuit comprises comparison circuit and level shifting circuit, described comparison circuit receives the signal of telecommunication of described coil B output, the described signal of telecommunication is rectified into square wave, described level translator receives described square-wave signal, described square-wave signal is converted to the signal that meets rs-232 standard.
3. a kind of induction type downhole data linkage according to claim 1, it is characterized in that described loop A and coil B have a magnetic shield respectively, each described magnetic shield is placed in described loop A and coil B periphery respectively, makes coil B receive only the electromagnetic signal of loop A radiation.
4. a kind of induction type downhole data linkage according to claim 1 is characterized in that the corresponding side of described loop A and coil B has a magnetic conduction gland respectively, prevents that loop A from directly contacting with coil B.
5. a kind of induction type downhole data linkage according to claim 1 is characterized in that described loop A and coil B have the damping, buffering pad respectively, to reduce to vibrate the influence to loop A and coil B.
6. a kind of induction type downhole data linkage according to claim 1, it is characterized in that also comprising a joint and joint chair, described joint is a projection, described joint chair is a groove, described loop A or coil B are socketed on described joint, described coil B or loop A are socketed on described joint chair, thereby described joint is plugged in the mutual alignment of fixing described loop A and coil B in the described joint chair.
7. a kind of induction type downhole data linkage according to claim 1 is characterized in that having damper on the pipe nipple wall of remote measurement pipe nipple at described coil B place, is used to reduce the vibration of described remote measurement pipe nipple outer side sleeve to described remote measurement pipe nipple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201085045U CN201221352Y (en) | 2008-06-11 | 2008-06-11 | Induction type downhole data connecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201085045U CN201221352Y (en) | 2008-06-11 | 2008-06-11 | Induction type downhole data connecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201221352Y true CN201221352Y (en) | 2009-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201085045U Expired - Fee Related CN201221352Y (en) | 2008-06-11 | 2008-06-11 | Induction type downhole data connecting apparatus |
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| CN (1) | CN201221352Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101787883A (en) * | 2010-03-01 | 2010-07-28 | 北京六合伟业科技有限公司 | Underground instrument for magnetic coupling communication |
| CN102364818A (en) * | 2011-10-25 | 2012-02-29 | 浙江大学 | Deep-sea non-contact electric power transmission packaging structure |
| CN102704918A (en) * | 2012-05-02 | 2012-10-03 | 王传伟 | Connecting device for well bore signal transmission |
| CN105140717A (en) * | 2015-07-20 | 2015-12-09 | 中煤科工集团西安研究院有限公司 | Blind plugging type connecting device used for mine measurement while drilling nipples |
| CN105247164A (en) * | 2013-07-09 | 2016-01-13 | 哈利伯顿能源服务公司 | Downhole electrical connector |
| CN106837198A (en) * | 2017-03-07 | 2017-06-13 | 中国石油天然气集团公司 | Composite shock-absorbing instrument |
| CN113338901A (en) * | 2021-06-07 | 2021-09-03 | 中海油田服务股份有限公司 | Testing system for instrument nipple and downhole instrument of lead |
-
2008
- 2008-06-11 CN CNU2008201085045U patent/CN201221352Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101787883A (en) * | 2010-03-01 | 2010-07-28 | 北京六合伟业科技有限公司 | Underground instrument for magnetic coupling communication |
| CN102364818A (en) * | 2011-10-25 | 2012-02-29 | 浙江大学 | Deep-sea non-contact electric power transmission packaging structure |
| CN102704918A (en) * | 2012-05-02 | 2012-10-03 | 王传伟 | Connecting device for well bore signal transmission |
| CN105247164A (en) * | 2013-07-09 | 2016-01-13 | 哈利伯顿能源服务公司 | Downhole electrical connector |
| US9695645B2 (en) | 2013-07-09 | 2017-07-04 | Halliburton Energy Services, Inc. | Downhole electrical connector |
| CN105247164B (en) * | 2013-07-09 | 2017-10-20 | 哈利伯顿能源服务公司 | Underground electric connector |
| US10100586B2 (en) | 2013-07-09 | 2018-10-16 | Halliburton Energy Services, Inc. | Downhole electrical connector |
| CN105140717A (en) * | 2015-07-20 | 2015-12-09 | 中煤科工集团西安研究院有限公司 | Blind plugging type connecting device used for mine measurement while drilling nipples |
| CN106837198A (en) * | 2017-03-07 | 2017-06-13 | 中国石油天然气集团公司 | Composite shock-absorbing instrument |
| CN113338901A (en) * | 2021-06-07 | 2021-09-03 | 中海油田服务股份有限公司 | Testing system for instrument nipple and downhole instrument of lead |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090415 Termination date: 20130611 |