CN205175658U - Continuous wave impulse generator wind tunnel experiment device - Google Patents
Continuous wave impulse generator wind tunnel experiment device Download PDFInfo
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- CN205175658U CN205175658U CN201520848942.5U CN201520848942U CN205175658U CN 205175658 U CN205175658 U CN 205175658U CN 201520848942 U CN201520848942 U CN 201520848942U CN 205175658 U CN205175658 U CN 205175658U
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Abstract
The utility model provides a continuous wave impulse generator wind tunnel experiment device, change valve, differential pressure sensor, transmission, torque sensor, motor, simulation drill bit, experiment segment shell body, U type choke cover including air -blower, bypass valve, flowmeter, flange, pressure sensor array, signal generator. Data acquisition system and upper computer connection are passed through to pressure sensor array, differential pressure sensor, torque sensor measuring data. Signal generator changes the valve and includes rotor and stator, and it has constituted the signal generation experiment segment with pressure sensor array, differential pressure sensor, transmission, torque sensor, motor and experiment segment shell body. The utility model discloses a can simulate continuous wave impulse generator's design and control process, simultaneously drill bit reflection situation under the simulation well to shorten design and experimental period, practice thrift the experiment cost.
Description
Technical field
The utility model relates to a kind of for the generation of continuous wave signal under simulation well and the experimental provision of detection, particularly a kind of continuous wave pulse producer wind tunnel simulation experiment device.
Background technology
At present, in the measurement while drilling field of petroleum drilling industry, drilling fluid continuous pressure ripple information transmission mode represents the developing direction of Wireless Measurement-while-drilling Technology.This transmission mode proposed in 1977 the earliest, and at present, the companies such as Schlumberger, BakerHughes, Halliburton and APS have Related product or technology, and its technology is relatively ripe.The research of continuous wave drilling fluid high speed data transmission system can break through the bottleneck with boring observation and control technology development, and promotion well logging while drilling and geosteering are petroleum exploration and development service better, create huge economic and social benefit.
At present, the wireless drilling measuring system of domestic-developed, mostly with the transmission of positive pulse mud pressure ripple, is also in initialization phase to the development of the generation of continuous wave signal and the theoretical research of transmit stage and MWD equipment.To the research of continuous wave slurry pulse generator, almost still blank.Continuous wave slurry pulse generator development has two crucial places, and one is the determination of rotor and stator rotary valve structure, and another is continuous wave signal process.And for above two key points iff the words analyzed by numerical simulation, due to subsurface equipment working environment more complicated, be difficult to the actual state simulating the underground work of continuous wave instrument truly, be therefore necessary design and the research and development of carrying out continuous wave pulse producer experimental provision.The research of following aspect can be carried out: 1) study signal waveform with port shape, the Changing Pattern turning stator shaft orientation gap, signal frequency by this device; 2) Changing Pattern of waterpower rotary valve with port shape, rotor thickness, spinner blade inclination angle, rotor flap number, flow, signal frequency is studied; 3) reflection of continuous wave signal in pipeline, superposition phenomenon is studied.To the signal generator design being operated in down-hole with control, the special operation condition environment residing for it, carries out that down-hole experimental cost is high, the cycle is long, and restricts by many factors.Theoretical according to dynamic similarity, aerodynamic force and drilling fluid have similar Reynolds number, and aerodynamic Simulation drilling fluid can be utilized to flow, and can adopt wind tunnel experiment device can the working environment at coal mines of Simulation of Complex based on this theory.Chinese patent (ZL201120235402.1) discloses a kind of continuous wave signal generator wind tunnel simulation experimental apparatus, this device to a certain extent can the design of signal generator and control procedure under simulation well, but also there is certain problem, the reflection of drill bit place cannot be simulated, and drill bit place reflected signal is larger on continuous wave signal impact, therefore, a kind of wind tunnel experiment device can simulating drill bit reflection for continuous wave pulse producer is devised.
Utility model content
The purpose of this utility model is for prior art Problems existing, provide a kind of convenient, fast, the continuous wave pulse producer wind tunnel experiment device of continuous-wave generator duty under simulation well at an easy rate.
A kind of continuous wave pulse producer wind tunnel experiment device, comprise fan blower 1, signal generator rotary valve 6, transmission shaft 8, motor 10, experimental section shell body 12 and data acquisition system (DAS), the discharge pipe of fan blower 1 and experimental section shell body 12 are tightly connected and form through air channel, signal generator rotary valve 6, transmission shaft 8 and motor 10 are located in experimental section shell body 12, signal generator rotary valve 6 comprises the stator be connected with experimental section shell body 12 and the rotor be connected with motor 10 transmission shaft 8, wherein: connecting bypass pipe and by-pass valve 2 on the discharge pipe of fan blower 1, air flowmeter 3, in the experimental section shell body 12 of the air intake of signal generator rotary valve 6, array of pressure sensors 5 is set, in the experimental section shell body 12 of the inlet/outlet air end of signal generator rotary valve 6, differential pressure pickup 7 is set, transmission shaft 8 arranges torque sensor 9, air flowmeter 3, array of pressure sensors 5, differential pressure pickup 7, torque sensor 9 is connected with host computer by data acquisition system (DAS), also be sealedly connected with connecting analog drill bit 11 at experimental section shell body 12 outlet air end, simulation drill bit 11 distributes some hydrophthalmias through with air channel, outside simulation drill bit 11, arrange U-shaped air-resistance cover 13, and U-shaped air-resistance cover 13 blind end is relative with simulation drill bit 11 workplace end.
Such scheme comprises further:
Be located at signal generator rotary valve 6 stator in experimental section shell body 12 and rotor spacing is adjustable setting.Adjustable set-up mode comprises: stator is fixedly connected with experimental section shell body 12, and rotor is by fixed pin and propeller shaft slip lock fit; Or stator is coordinated by fixed pin slide lock with experimental section shell body 12, and rotor is fixedly connected with transmission shaft.
Fan blower 1 all forms straight-through air channel by Flange joint with experimental section shell body 12 and experimental section shell body 12 with simulation drill bit 11.
This experimental provision based on convenient on the basis of dynamic similarity, fast, continuous-wave generator duty under simulation well at an easy rate, required drive is little, and system pressure is low, easy accessibility, is that medium does not need to have set up totally enclosed loop with air.Compared with prior art, this experimental provision can not only the design of signal generator and control procedure under simulation well, research signal waveform is with port shape, the Changing Pattern turning stator shaft orientation gap, signal frequency, research waterpower rotary valve is with the Changing Pattern of port shape, rotor thickness, spinner blade inclination angle, rotor flap number, flow, signal frequency, downhole drill bit reflection can also be simulated, the reflection of research continuous wave signal in pipeline, superposition phenomenon.The development that this device is continuous wave pulse producer provides strong technical guarantee.
accompanying drawing explanation:
Fig. 1 is continuous wave pulse producer wind tunnel experiment apparatus structure simplified schematic diagram.
1, fan blower, 2, by-pass valve, 3, air flowmeter, 4, flange, 5, array of pressure sensors, 6, signal generator rotary valve, 7, differential pressure pickup, 8, transmission shaft, 9, torque sensor, 10, motor, 11, simulation drill bit, 12, experimental section shell body, 13, U-shaped air-resistance cover.
embodiment:
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
As shown in Figure 1, a kind of continuous wave pulse producer wind tunnel experiment device that the utility model proposes comprises: fan blower 1, by-pass valve 2, air flowmeter 3, flange 4, array of pressure sensors 5, signal generator rotary valve 6, differential pressure pickup 7, gearing 8, torque sensor 9, motor 10, simulation drill bit 11, experimental section shell body 12, U-shaped air-resistance cover 13.The data that air flowmeter 3, array of pressure sensors 5, differential pressure pickup 7, torque sensor 9 are measured are connected with host computer by data acquisition system (DAS).According to the traffic requirement of design, the air quantity that fan blower 1 produces, when through by-pass valve 2, by regulating the switch of by-pass valve 2, can monitor air flowmeter 3 numerical value to reach the flow range of design simultaneously.
In the process that rotor rotates, rotary valve mouth from maximum flow area change to minimum flow area, and then changes to maximum flow area from minimum flow area.When rotary valve circulation area increases, gas flowing is unimpeded, and pressure reduces; When circulation area reduces, gas constricted flow, pressure increase.In rotor turns process, cutting fluid between rotor and stator, produces different pressure differentials, thus creates Pressure Fluctuation Signal.So, control the rotational speed of motor according to certain rules, the Pressure Fluctuation Signal of certain rule will be produced.
Above-mentioned signal generator rotary valve 6 comprises rotor and stator, and it and array of pressure sensors 5, differential pressure pickup 7, transmission shaft 8, torque sensor 9, motor 10 and experimental section shell body 12 constitute signal generation experimental section.Experimentally need, array of pressure sensors 5 can be made up of 2 or more pressure transducers, multiple real-time pressure data is obtained by array of pressure sensors 5, utilize data fusion method comprehensively to analyze multiple pressure detection data, effectively can remove the reflection interference in continuous wave signal; The two ends of differential pressure pickup 7 are distributed in the left and right sides of signal generator rotary valve 6, by monitoring differential pressure pickup numerical value, can analytic signal through signal generator rotary valve 6 pressure changing; Torque sensor 9 under monitoring the different mode of operation of motor 8 and different signal generator rotary valves 6 combine the moment of torsion produced; The stator of signal generator to be screwed on experimental section shell body 12, and rotor is fixed to ensure that rotor can not move forward and backward by stationary installation, simultaneously in stationary installation with graduated scale, the distance between rotor and stator can be regulated as required; Motor 10 is rotated by transmission shaft 8 rotor driven, and motor 10 is connected with motor driver and rotary transformer, and motor driver is connected with host computer again, can control motor carry out work according to certain pattern by host computer.
By signal generation experimental section, following research can be carried out: 1 signal waveform is with port shape, the Changing Pattern turning stator shaft orientation gap, signal frequency; 2 waterpower rotary valves are with the Changing Pattern of port shape, rotor thickness, spinner blade inclination angle, rotor flap number, flow, signal frequency.
Above-mentioned simulation drill bit 11 distributes some hydrophthalmias, and the wind flowed out from signal generation experimental section continues to propagate to the right by the hydrophthalmia of simulation drill bit 11, and right side is closed section, is connected with a U-shaped air-resistance cover 13 larger than experimental section shell body 12 diameter.By increasing simulation drill bit 11 and U-shaped air-resistance cover 13, the fluctuation produced from signal generation experimental section is made to understand some reflection through drill bit, this can effectively under simulation well drilling hydraulic Reeb meet the situation of drill bit reflection, the ripple reflected can be formed with the ripple that signal generation experimental section produces and superpose, and this studies the reflection of continuous wave signal in pipeline for us, superposition phenomenon has important effect.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (4)
1. a continuous wave pulse producer wind tunnel experiment device, comprise fan blower (1), signal generator rotary valve (6), transmission shaft (8), motor (10), experimental section shell body (12) and data acquisition system (DAS), the discharge pipe of fan blower (1) and experimental section shell body (12) are tightly connected and form through air channel, signal generator rotary valve (6), transmission shaft (8) and motor (10) are located in experimental section shell body (12), signal generator rotary valve (6) comprises the stator be connected with experimental section shell body (12) and the rotor be connected with motor (10) transmission shaft (8), it is characterized in that: connecting bypass pipe and by-pass valve (2) on the discharge pipe of fan blower (1), air flowmeter (3), in the experimental section shell body (12) of the air intake of signal generator rotary valve (6), array of pressure sensors (5) is set, in the experimental section shell body (12) of the inlet/outlet air end of signal generator rotary valve (6), differential pressure pickup (7) is set, transmission shaft (8) arranges torque sensor (9), air flowmeter (3), array of pressure sensors (5), differential pressure pickup (7), torque sensor (9) is connected with host computer by data acquisition system (DAS), connecting analog drill bit (11) is also sealedly connected with at experimental section shell body (12) outlet air end, the some hydrophthalmias through with air channel of the upper distribution of simulation drill bit (11), outside simulation drill bit (11), U-shaped air-resistance cover (13) is set, U-shaped air-resistance cover (13) blind end is relative with simulation drill bit (11) workplace end.
2. continuous wave pulse producer wind tunnel experiment device according to claim 1, is characterized in that: be located at signal generator rotary valve (6) stator in experimental section shell body (12) and rotor spacing is adjustable setting.
3. continuous wave pulse producer wind tunnel experiment device according to claim 2, it is characterized in that stator and rotor spacing are that adjustable set-up mode comprises: stator is fixedly connected with experimental section shell body (12), and rotor is by fixed pin and propeller shaft slip lock fit; Or stator is coordinated by fixed pin slide lock with experimental section shell body (12), and rotor is fixedly connected with transmission shaft.
4. the continuous wave pulse producer wind tunnel experiment device according to claim 1,2 or 3, is characterized in that fan blower (1) all forms straight-through air channel by Flange joint with experimental section shell body (12) and experimental section shell body (12) with simulation drill bit (11).
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| CN201520848942.5U CN205175658U (en) | 2015-10-30 | 2015-10-30 | Continuous wave impulse generator wind tunnel experiment device |
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| CN201520848942.5U CN205175658U (en) | 2015-10-30 | 2015-10-30 | Continuous wave impulse generator wind tunnel experiment device |
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| CN205175658U true CN205175658U (en) | 2016-04-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644351A (en) * | 2015-10-30 | 2017-05-10 | 中石化石油工程技术服务有限公司 | Continuous wave pulse generator wind tunnel experiment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644351A (en) * | 2015-10-30 | 2017-05-10 | 中石化石油工程技术服务有限公司 | Continuous wave pulse generator wind tunnel experiment device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220215 Address after: 100029 Beijing Chaoyang District Beichen West Road 8 Beichen World Center A Block 703 Patentee after: SINOPEC OILFIELD SERVICE Corp. Patentee after: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee after: Sinopec Jingwei Co.,Ltd. Patentee after: Geological measurement and Control Technology Research Institute of Sinopec Jingwei Co.,Ltd. Address before: 100101 Beichen West Road, Chaoyang District, Beijing 8 Beichen world center, block A 703. Patentee before: SINOPEC OILFIELD SERVICE Corp. Patentee before: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee before: SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD. DRILLING TECHNOLOGY Research Institute |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221129 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: SINOPEC Group Patentee after: SINOPEC OILFIELD SERVICE Corp. Patentee after: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee after: Sinopec Jingwei Co.,Ltd. Patentee after: Geological measurement and Control Technology Research Institute of Sinopec Jingwei Co.,Ltd. Address before: 100029 Beijing Chaoyang District Beichen West Road 8 Beichen World Center A Block 703 Patentee before: SINOPEC OILFIELD SERVICE Corp. Patentee before: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee before: Sinopec Jingwei Co.,Ltd. Patentee before: Geological measurement and Control Technology Research Institute of Sinopec Jingwei Co.,Ltd. |