CN202493260U - Integral electromagnetic valve wireless measurement while drilling device for coal mine - Google Patents
Integral electromagnetic valve wireless measurement while drilling device for coal mine Download PDFInfo
- Publication number
- CN202493260U CN202493260U CN2012200890391U CN201220089039U CN202493260U CN 202493260 U CN202493260 U CN 202493260U CN 2012200890391 U CN2012200890391 U CN 2012200890391U CN 201220089039 U CN201220089039 U CN 201220089039U CN 202493260 U CN202493260 U CN 202493260U
- Authority
- CN
- China
- Prior art keywords
- pipe nipple
- lead
- measuring
- drilling
- short section
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to an integral electromagnetic valve wireless measurement while drilling device for a coal mine, which comprises an outer cylinder, an underground measuring and emitting unit and a signal receiving unit, wherein the outer cylinder comprises an insulation short section and a magnetic-free drilling rig; the underground measuring and emitting unit comprises a power supply short section, a measuring and emitting short section, a lead assembly and an anchored cable; the lead assembly comprises a lead starting end assembly and a lead tail end fixing tray; the measuring and emitting short section and the power supply short section are fixed in the magnetic-free drilling rig; a measuring and emitting device is arranged in the measuring and emitting short section, the power supply short section provides energy for the measuring and emitting device, the lead tail end fixing tray is spun on a drilling stem at the upper part; and a receiving device of the signal receiving unit is connected with the drilling stem and a grounding electrode through cables. An underground emitting exciting source uses the insulation short section as a barrier, and forms a current loop in the measuring and emitting short section, the anchored cable, the drilling stem at the upper part, the stratum and the magnetic-free drilling rig, a generated magnetic field transmits information by using electromagnetic waves, the signal receiving unit receives signals, and the receiving device decodes and processes the information.
Description
Technical field
The utility model relates to a kind of measurement while drilling device that is applied to the colliery industry, specifically a kind of integral coal mine electromagnetic wave wireless drilling measurement mechanism.
Background technology
National Coal Mine Safety Supervision Bureau in 2003 clearly propose about gas control " take out afterwards earlier adopt, with the wind fixed output quota, detect monitoring " 12 word policies, require before seam mining, the gas in the coal seam to be carried out extraction through boring; Make effective boring in this coal seam or unload extension as much as possible in the pressure zone, to improve extraction efficient and the extraction amount of boring gas, the assurance Safety of Coal Mine Production must be used measurement-while-drilling system (MWD) to carry out nearly horizontal orientation and creep into pore-forming.Although colliery wired drilling measuring system is succeeded in developing, and get into commercial application, but need to be equipped with special-purpose wired drill pipe and special drilling machine, costly.Because drilling equipment still uses common drilling rod and common rig so far in most of coal mine; And to adopt the wired drilling metering system; Certainly will to change or transform these equipment, costly, so the popularization of wired drilling measuring technique receives very big restriction; Thereby must develop and a kind ofly need not solve this difficult problem the electromagnetic wave while-drilling measurement mechanism that existing drilling equipment under the mine carries out large-scale redevelopment and replacing.At present; The application of electromagnetic wave while-drilling examining system has been arranged in the oil drilling; But because that applied casing programme etc. is crept in oil drilling and colliery is different; Electromagnetic wave while-drilling measuring system in the oil drilling from structure, material and electric on all do not meet the requirement of Safety of Coal Mine Production, therefore can not be transplanted to the colliery simply creeps into middle use.
Summary of the invention
It is lower that the purpose of the utility model provides a kind of cost, easy to use, can meet the requirement of Safety of Coal Mine Production, is applicable to the monolithic electromagnetic wave wireless drilling measurement mechanism of measurement while drilling and monitoring downhole production situation in the drilling process of colliery.
In order to achieve the above object; The utility model adopts following technical scheme to realize: a kind of integral coal mine electromagnetic wave wireless drilling measurement mechanism is provided; Comprise urceolus, underground survey transmitter unit and signal receiving unit, described urceolus connects non-magnetic drilling tool by insulating short section and constitutes; Described underground survey transmitter unit contains the end of from power supply pipe nipple, measurement emission pipe nipple, lead assemblies and the armored cable that up connects successively; Said lead assemblies is made up of lead-in wire top assembly and lead terminal fixed tray, described measurement launch pipe nipple, power supply pipe nipple all through screw in non-magnetic drilling tool; Be mounted to integrally-built measuring element and ballistic device in the described measurement emission pipe nipple; The power supply pipe nipple connects measures the emission pipe nipple; And be that its interior measuring element and ballistic device provides energy source and power; Measure the lead-in wire top assembly that the emission pipe nipple connects lead assemblies, lead-in wire top assembly connects the lead terminal fixed tray through armored cable, the lead terminal fixed tray with the form fix of screw thread on the upper drilling string of insulating short section upper end; Described signal receiving unit is made up of receiving system that is located at ground and earthing electrode, and receiving system one utmost point links to each other with upper drilling string through cable, and another utmost point links to each other with earthing electrode through cable, and earthing electrode is inserted in the stratum deeply.
A kind of integral coal mine electromagnetic wave wireless drilling measurement mechanism of the utility model, described power supply pipe nipple, measurement emission pipe nipple, lead-in wire top assembly are positioned at non-magnetic drilling tool, pass through the airtight connection of screw thread between the adjacent component.
The described measurement emission of the utility model pipe nipple passes through measuring element collection and coding down-hole formation metrical information wherein, and passes to the ballistic device of measuring in the emission pipe nipple; One utmost point of the driving source of ballistic device links to each other with non-magnetic drilling tool through screw; Another utmost point links to each other with lead terminal fixed tray in the upper drilling string via lead-in wire top assembly through armored cable; The driving source of down-hole emission is obstruct with the insulating short section; In measuring emission pipe nipple, armored cable, upper drilling string, stratum, non-magnetic drilling tool, form current loop; Down-hole information is transmitted with form of electromagnetic wave in magnetic field around current loop produces, and the receiving system in the signal receiving unit receives electromagnetic wave signal through the potential difference of measuring between earthing electrode and the upper drilling string, and measures the information of gained by the receiving system processing with showing the shaft bottom.
The device of the utility model in use, the pipe string combination form in the borehole wall up is followed successively by drill bit, lower drilling string, non-magnetic drilling tool, insulating short section and upper drilling string the end of from.
Metal parts all uses fine copper or brass or beryllium copper to make in the device power supply pipe nipple of the utility model, measurement emission pipe nipple and the lead-in wire top assembly.
The utlity model has following beneficial effect:
1, the apparatus cost of the utility model is lower; Easy to use; Use this device can keep in present most of coal mine still, avoided transforming or purchasing the required high expense of new equipment again, practiced thrift construction and cost of production at drilling equipments such as common drilling rod that uses and common rigs.
2, the metalwork in the power supply pipe nipple in the utility model device, measurement emission pipe nipple and the lead-in wire top assembly all adopts brass or fine copper or beryllium copper to make; Meet the requirement of Safety of Coal Mine Production, adopt the copper material processing component can guarantee that its measuring process does not receive the interference of magnetic material simultaneously.And these parts adopt aluminum not have the magnetic material mostly in petroleum industry electromagnetic wave wireless drilling system, and aluminum material use in coal mine has the hidden danger of blasting, so do not meet the requirement of Safety of Coal Mine Production.
3, in the device of the utility model measuring element and ballistic device are incorporated in the measurement emission pipe nipple, have shortened instrument needed space length in well, reduced the use of material, reduced manufacturing cost.
Description of drawings
Assembly structure sketch map when Fig. 1 is the work of the utility model monolithic electromagnetic wave wireless drilling measurement mechanism.
Among the figure: the 1-borehole wall; 2-lead terminal fixed tray; The 3-armored cable; The 4-insulating short section; The 5-non-magnetic drilling tool; The 6-screw; The 7-drill bit; The 8-lower drilling string; 9-power supply pipe nipple; 10-measures the emission pipe nipple; 11-lead-in wire top assembly; The 12-earthing electrode; The 13-receiving system; The 14-cable; The 15-upper drilling string; The 16-stratum.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail.
Embodiment 1: a kind of integral coal mine electromagnetic wave wireless drilling measurement mechanism of the utility model; Assembly structure during its work is as shown in Figure 1; In the drilling process of colliery, the pipe string combination form in the borehole wall 1 up is followed successively by drill bit 7, lower drilling string 8, non-magnetic drilling tool 5, insulating short section 4 and upper drilling string 15 end of from.
The monolithic electromagnetic wave wireless drilling measurement mechanism of the utility model comprises urceolus, underground survey transmitter unit and signal receiving unit, and described urceolus connects non-magnetic drilling tool 5 by insulating short section 4 and constitutes; Described underground survey transmitter unit contains the end of from power supply pipe nipple 9, measurement emission pipe nipple 10, lead assemblies and the armored cable 3 that up connects successively; Said lead assemblies is made up of with lead terminal fixed tray 2 lead-in wire top assembly 11, and described measurement emission pipe nipple 10, power supply pipe nipple 9 all are fixed in the non-magnetic drilling tool 5 through screw 6; Be mounted to integrally-built measuring element and ballistic device in the described measurement emission pipe nipple 10; Power supply pipe nipple 9 connects measures emission pipe nipple 10; And be that its interior measuring element and ballistic device provides energy source and power; Measure the lead-in wire top assembly 11 that emission pipe nipple 10 connects lead assemblies, lead-in wire top assembly 11 connects lead terminal fixed trays 2 through armored cable 3, lead terminal fixed tray 2 with the form fix of screw thread on the upper drilling string 15 of insulating short section 4 upper ends; Described signal receiving unit is made up of receiving system that is located at ground 13 and earthing electrode 12, and receiving system 13 1 utmost points link to each other with upper drilling string 15 through cable 14, and another utmost point is inserted in the stratum 16 through earthing electrode deeply.
Described power supply pipe nipple 9, measure emission pipe nipple 10, lead-in wire top assembly 11 is positioned at non-magnetic drilling tool 5, between two adjacent pipe nipples or the assembly through the airtight connection of screw thread.Described power supply pipe nipple 9, measure that metal parts all adopts fine copper processing in emission pipe nipple 10 and the lead-in wire top assembly 11.
A kind of integral coal mine electromagnetic wave wireless drilling measurement mechanism of the utility model; In use by the collection of measuring the measuring element completion down-hole formation metrical information in the emission pipe nipple 10; And, pass to the ballistic device of measuring in the emission pipe nipple with behind the information coding of gathering; One utmost point of the driving source of ballistic device links to each other with non-magnetic drilling tool 5 through screw 6; Another utmost point links to each other with upper drilling string 15 interior lead terminal fixed trays 2 via lead-in wire top assembly 11 through armored cable 3; The driving source of down-hole emission is obstruct with the insulating short section; In measuring emission pipe nipple 10, armored cable 3, upper drilling string 15, stratum 16, non-magnetic drilling tool 5, form current loop; And then, transmitting down-hole information with form of electromagnetic wave around current loop generation magnetic field, the receiving system 13 in the signal receiving unit receives electromagnetic wave signal through the potential difference of measuring between earthing electrode 12 and the upper drilling string 15; And, reach the purpose that colliery electromagnetic wave wireless drilling is measured by receiving system 13 processing and the information that shows shaft bottom measurement gained.
Embodiment 2: a kind of integral coal mine electromagnetic wave wireless drilling measurement mechanism of the utility model, and its structure such as embodiment 1, different is that metal parts all adopts brass processing in power supply pipe nipple 9, measurement emission pipe nipple 10 and the lead-in wire top assembly 11.
Embodiment 3: a kind of integral coal mine electromagnetic wave wireless drilling measurement mechanism of the utility model, and its structure such as embodiment 1, different is that metal parts all adopts beryllium copper processing in power supply pipe nipple 9, measurement emission pipe nipple 10 and the lead-in wire top assembly 11.
The integral coal mine electromagnetic wave wireless drilling measurement mechanism cost of the utility model is lower, easy to use, through the requirement that electromagnetic wave transmits the information conforms Safety of Coal Mine Production, is applicable to measurement while drilling and monitoring downhole conditions in the drilling process of colliery.
Claims (3)
1. an integral coal mine electromagnetic wave wireless drilling measurement mechanism comprises urceolus, underground survey transmitter unit and signal receiving unit, it is characterized in that: described urceolus connects non-magnetic drilling tool by insulating short section and constitutes; Described underground survey transmitter unit contains the end of from power supply pipe nipple, measurement emission pipe nipple, lead assemblies and the armored cable that up connects successively; Said lead assemblies is made up of lead-in wire top assembly and lead terminal fixed tray, described measurement launch pipe nipple, power supply pipe nipple all through screw in non-magnetic drilling tool; Be mounted to integrally-built measuring element and ballistic device in the described measurement emission pipe nipple; The power supply pipe nipple connects measures the emission pipe nipple; And be that its interior measuring element and ballistic device provides energy source and power; Measure the lead-in wire top assembly that the emission pipe nipple connects lead assemblies, lead-in wire top assembly connects the lead terminal fixed tray through armored cable, the lead terminal fixed tray with the form fix of screw thread on the upper drilling string of insulating short section upper end; Described signal receiving unit is made up of receiving system that is located at ground and earthing electrode, and receiving system one utmost point links to each other with upper drilling string through cable, and another utmost point links to each other with earthing electrode through cable, and earthing electrode is inserted in the stratum deeply.
2. a kind of integral coal mine electromagnetic wave wireless drilling measurement mechanism according to claim 1 is characterized in that: described power supply pipe nipple, measurement emission pipe nipple, lead-in wire top assembly are positioned at non-magnetic drilling tool, pass through the airtight connection of screw thread between the adjacent component.
3. a kind of integral coal mine electromagnetic wave wireless drilling measurement mechanism according to claim 1; It is characterized in that: described measurement emission pipe nipple passes through measuring element collection and coding down-hole formation metrical information wherein, and passes to the ballistic device of measuring in the emission pipe nipple; One utmost point of the driving source of ballistic device links to each other with non-magnetic drilling tool through screw; Another utmost point links to each other with lead terminal fixed tray in the upper drilling string via lead-in wire top assembly through armored cable; The driving source of down-hole emission is obstruct with the insulating short section; In measuring emission pipe nipple, armored cable, upper drilling string, stratum, non-magnetic drilling tool, form current loop; Down-hole information is transmitted with form of electromagnetic wave in magnetic field around current loop produces, and the receiving system in the signal receiving unit receives electromagnetic wave signal through the potential difference of measuring between earthing electrode and the upper drilling string, and measures the information of gained by the receiving system processing with showing the shaft bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200890391U CN202493260U (en) | 2012-03-12 | 2012-03-12 | Integral electromagnetic valve wireless measurement while drilling device for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200890391U CN202493260U (en) | 2012-03-12 | 2012-03-12 | Integral electromagnetic valve wireless measurement while drilling device for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202493260U true CN202493260U (en) | 2012-10-17 |
Family
ID=46999494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200890391U Expired - Fee Related CN202493260U (en) | 2012-03-12 | 2012-03-12 | Integral electromagnetic valve wireless measurement while drilling device for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202493260U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233722A (en) * | 2013-04-28 | 2013-08-07 | 中煤科工集团西安研究院 | Coal mine underground explosion proof type electromagnetic wave wireless measurement while drilling system and application method thereof |
| CN106246169A (en) * | 2016-08-31 | 2016-12-21 | 中国科学院地质与地球物理研究所 | A kind of machinery being applicable to down-hole nearly drill bit wireless short pass transmitting |
-
2012
- 2012-03-12 CN CN2012200890391U patent/CN202493260U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233722A (en) * | 2013-04-28 | 2013-08-07 | 中煤科工集团西安研究院 | Coal mine underground explosion proof type electromagnetic wave wireless measurement while drilling system and application method thereof |
| CN103233722B (en) * | 2013-04-28 | 2015-01-07 | 中煤科工集团西安研究院有限公司 | Coal mine underground explosion proof type electromagnetic wave wireless measurement while drilling system and application method thereof |
| CN106246169A (en) * | 2016-08-31 | 2016-12-21 | 中国科学院地质与地球物理研究所 | A kind of machinery being applicable to down-hole nearly drill bit wireless short pass transmitting |
| CN106246169B (en) * | 2016-08-31 | 2017-09-01 | 中国科学院地质与地球物理研究所 | A kind of mechanical device suitable for the wireless short pass transmitting of the nearly drill bit in underground |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106246169B (en) | A kind of mechanical device suitable for the wireless short pass transmitting of the nearly drill bit in underground | |
| CN103233722B (en) | Coal mine underground explosion proof type electromagnetic wave wireless measurement while drilling system and application method thereof | |
| CN102854525B (en) | Omnidirectional cataclastic rock mass deep hole installation and recovery device of microseismic unidirectional sensor | |
| EP1953570B1 (en) | A downhole telemetry system | |
| CN203702140U (en) | Near-bit communication system for measurement while drilling | |
| CN111323331B (en) | Coal seam gas content measuring device and method based on directional drilling machine | |
| CN102536204B (en) | Method for increasing transmitting efficiency of electromagnetic wave wireless measurement-while-drilling system by aid of multiple insulation short pieces | |
| RU27839U1 (en) | DEVICE FOR MEASURING GEOPHYSICAL AND TECHNOLOGICAL PARAMETERS DURING DRILLING WITH AN ELECTROMAGNETIC COMMUNICATION CHANNEL | |
| CN102767363B (en) | Electric communication drill rod and method for increasing transmission distance of electromagnetic wave measurement while drilling signal | |
| WO2017058583A1 (en) | Optical rotary joint in coiled tubing applications | |
| CN111173504A (en) | Adjacent well distance electromagnetic while drilling large-range detection system without interference on adjacent well operation | |
| CN103498667B (en) | A kind of for there being the downhole parameters transmission system of bar producing well | |
| CN201045282Y (en) | Petroleum drill pipe joint capable of transmitting electric power and signal | |
| CN202493260U (en) | Integral electromagnetic valve wireless measurement while drilling device for coal mine | |
| CN103835705A (en) | Underground measurement information transmission system | |
| CN202611686U (en) | Wireless relay electromagnetic wave measurement while drilling device for coal mines | |
| Lu et al. | Improving the application depth of electromagnetic measurement while drilling (EM-MWD) systems by receiving signals from adjacent wells | |
| CN114622900A (en) | Underground information transmission device and method based on micro-current | |
| CN206299374U (en) | A kind of reception device suitable for the underground wireless short pass of nearly drill bit | |
| CN110361783B (en) | Roof deformation monitoring method | |
| RU2229733C2 (en) | Geophysical telemetring system to transmit hole data | |
| CN202493262U (en) | Split type electromagnetic wave wireless MWD (Measurement While Drilling) device for coal mine | |
| CN114263454B (en) | Current linear injection device and injection method | |
| CN206158733U (en) | Mechanical device suitable for nearly wireless short pass of drill bit transmission in pit | |
| CN112431586B (en) | Method and device for acquiring data in cable transient electromagnetic probe drilling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121017 Termination date: 20140312 |