CN202522434U - Acoustical property detection and simulation device for structure under oil well - Google Patents
Acoustical property detection and simulation device for structure under oil well Download PDFInfo
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- CN202522434U CN202522434U CN2012201740512U CN201220174051U CN202522434U CN 202522434 U CN202522434 U CN 202522434U CN 2012201740512 U CN2012201740512 U CN 2012201740512U CN 201220174051 U CN201220174051 U CN 201220174051U CN 202522434 U CN202522434 U CN 202522434U
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Abstract
The utility model discloses an acoustical property detection and simulation device for a structure under an oil well. The detection and simulation device comprises a circular testing container, wherein an acoustic absorption material layer is arranged on the internal side wall of the testing container; a casing is arranged at the center of the testing container; a cement ring column is wrapped outside the casing; the lower end of the casing is closed; the casing is internally provided with an ultrasonic transducer; a casing body of the casing is provided with an exhaust elbow, a pressure measurement elbow and a water inflow elbow that are communicated with the interior of the casing; and the testing container is internally provided with a movable tinfoil device and an acoustical intensity meter probe. The detection and simulation device can simulate a stratum under the oil well at the pressure within 12 MPa, and test the effects of the ultrasonic transducer after penetrating through the simulated stratum structure under the oil well at different pressures.
Description
Technical field
The utility model relates to the oil-field development technical field, particularly a kind of experiment simulator that large-power supersonic transducer is detected the action effect and the sound intensity of oil well sub-surface under different pressure.
Background technology
Low-permeability oil deposit distributes very wide at home and abroad; Occupy very big stock number and reserves, and China has also all found the hyposmosis Sandstone Gas Reservoir oil reservoir that scale does not wait in different places, along with improving constantly of China's oil-gas exploration and development degree; This low-permeability oil deposit will become the main resource of producing in China's oil gas increasing the storage; Under this background, various oil recoveries increase the innage science and technology and just highlight, and also just under this background, have produced and high-power ultrasonics increases oil tech.
For realizing that the performance and the action effect of ultrasonic transducer under (mainly being in the 12MPa) oil well under the different pressure are detected, need a kind of oil well structure acoustical behavior test simulator down.
The utility model content
To the problems referred to above; The purpose of the utility model be to provide a kind of can simulation well base pressure by force at 12MPa with interior oil well sub-surface, be used to test ultrasonic transducer and construct the acoustical behavior test simulator down at the oil well of the posttectonic action effect of oil well sub-surface that sees through simulation under the different pressure conditions.
To achieve these goals, the technical scheme of the utility model is following:
Oil well is structure acoustical behavior test simulator down, it is characterized in that, comprises the test container of a circle, and the madial wall of said test container is provided with sound-absorbing material layer, is used to eliminate the madial wall reflection test findings is exerted an influence; The central authorities of said test container are provided with sleeve pipe, the oil well running casing that is used to simulate; Said sleeve pipe is wrapped with the cement mantle cylinder, is used to simulate the rock texture in cementing concrete ring and shaft bottom; The lower end of said sleeve pipe is a blind end; Be provided with ultrasonic transducer in the sleeve pipe; The body of sleeve pipe is provided with exhaust elbow, pressure measurement bend pipe and the water inlet bend pipe that is communicated with inside pipe casing; Exhaust elbow is provided with drain tap, and the pressure measurement bend pipe is provided with pressure measurement valve and pressure gauge, and the water inlet bend pipe is provided with inlet valve; Be provided with movably tinfoil device and sound intensity sound-measuring device probe in the said test container.
In a preferred embodiment of the utility model, said test container is a test pools, and the diameter of test pools is 4m, and the degree of depth is 5.5m, and the bottom of test pools and side all are coated with concrete.
In a preferred embodiment of the utility model, be provided with suction pump in the said test container, be used for changing the water of test container, prevent to have influence on the test effect too much because of impurity in the water.
In a preferred embodiment of the utility model, said sleeve pipe is a weldless steel tube, and the internal diameter of this weldless steel tube is 135mm-140mm, and the thickness of weldless steel tube is 5mm-6mm, and the height of weldless steel tube is 5.0 meters-5.2 meters.
In a preferred embodiment of the utility model, said cement mantle cylinder is for adopting the made cement mantle cylinder of concrete of sulfate resistance D grade label, and the height of cement mantle cylinder is 3.8 meters-4.0 meters, and thickness is 0.9 meter-1.0 meters.
In a preferred embodiment of the utility model; The upper end of said sleeve pipe is welded with lower flange; The upper end of said ultrasonic transducer is fixedly connected with upper flange plate, and lower flange thickness is 35 ± 0.5mm, and upper flange plate thickness is 40 ± 0.5mm; And between lower flange and the upper flange plate after fastening, withstand voltage must not be less than 15MPa.Further, be welded with the bonnet nut that connects ultrasonic transducer on the said upper flange plate, after putting into sleeve pipe and suppress with the convenience for ultrasonic wave transducer, the ultrasound wave cable can be connected with ultrasonic transducer fast.
In a preferred embodiment of the utility model, the side of said cement mantle cylinder is connected with the madial wall of test container through the side bracing frame, and the bottom of cement mantle cylinder is connected with the bottom of test container through end bracing frame.
In a preferred embodiment of the utility model, said sleeve pipe bottom also connects a drain elbow, and this drain elbow is provided with the draining electric control valve.
The tinfoil device comprises tinfoil frame and the tinfoil that is arranged in the tinfoil frame; Tinfoil Device Testing scope is: the tinfoil device is placed distance and is begun from the cement mantle cylinder; Arrive about test container madial wall 15cm, and all can test around cement mantle cylinder one all different depths place.
Sound intensity sound-measuring device probe placement distance 1cm outside the cement mantle cylinder begins, and arrives about test container madial wall 15cm, and all can test around cement mantle cylinder one all different depths place.
The utility model can the simulation well base pressure by force at 12MPa with interior oil well sub-surface, the test ultrasonic transducer sees through the posttectonic action effect of oil well sub-surface of simulation under different pressure conditions.
The characteristics of the utility model can consult this case graphic and below better embodiment detailed description and obtain to be well understood to.
Description of drawings
Fig. 1 is the synoptic diagram of the utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, further set forth the utility model below in conjunction with specific embodiment.
As shown in Figure 1; Oil well is structure acoustical behavior test simulator down, comprises a test container, and test container is a test pools 1; The diameter of test pools 1 is 4m; The degree of depth is 5.5m, and the bottom of test pools and side all are coated with concrete (sulfate resistance D grade), to prevent that water oozes out in the test pools.Test pools is circular, makes sound wave that ultrasonic transducer sends in an identical week of radius, and sound intensity action effect is identical.The sound-absorbing material layer of the madial wall cladding thickness 2mm of test pools (dacron suction disc material) 2 is used to eliminate the madial wall reflection test findings is exerted an influence.
The central authorities of test container are provided with sleeve pipe 6, the oil well running casing that is used to simulate; Sleeve pipe 6 is a weldless steel tube, and the internal diameter of this weldless steel tube is 135mm-140mm, and the thickness of weldless steel tube is 5mm-6mm, and the height of weldless steel tube is 5.0 meters-5.2 meters.Sealing is welded in sleeve pipe 6 lower ends, and is fixed in the cement base 8 of test pools 1.
The upper end of sleeve pipe 6 is welded with lower flange, and six screw sockets are arranged on the lower flange 14, is used for sealing and suppresses.Apart from lower flange 50cm, parcel thickness is 1m apart from sleeve bottom 40cm place down, highly is the cement mantle cylinder 4 of 4.0m, is used to simulate the rock texture in cementing concrete ring and shaft bottom on sleeve pipe, reaches with downhole environment to conform to, and strengthens the accuracy of its test figure.The cement mantle cylinder is for adopting the made cement mantle cylinder of concrete of sulfate resistance D grade label.The side of cement mantle cylinder 4 is connected with the madial wall of test container through side bracing frame 9, and the bottom of cement mantle cylinder is connected with the bottom of test container through end bracing frame 7.
Be placed with ultrasonic transducer 5 in the sleeve pipe; The upper end of ultrasonic transducer 5 is fixedly connected with upper flange plate 16, and lower flange thickness is 35 ± 0.5mm, and upper flange plate thickness is 40 ± 0.5mm; And between lower flange and the upper flange plate after fastening, withstand voltage must not be less than 15MPa.Be welded with the bonnet nut that connects ultrasonic transducer on the upper flange plate, after putting into sleeve pipe and suppress with the convenience for ultrasonic wave transducer, ultrasound wave cable 15 can be connected with ultrasonic transducer 5 fast.
Be connected to an exhaust elbow 18 at the lower flange back welding near sleeve pipe, exhaust elbow 18 is communicated with the sealing cavity volume, is connected with drain tap 17 on the exhaust elbow 18, exhaust and pressure release draining when being used for pressurizeing in the analog casing.20cm place, exhaust elbow lower end on sleeve pipe is welded with pressure measurement bend pipe 13, is connected with pressure measurement valve 12 on the pressure measurement bend pipe 13, and pressure gauge 11 (range is 16MPa) is installed on the pressure measurement valve, is used for measure analog inside pipe casing pressure.Place, 35cm diagonal angle is welded with into water bend pipe 19 under the exhaust elbow on the sleeve pipe, is connected with inlet valve 20 on the water inlet bend pipe 19, water inlet control when being used for pressurizeing in the analog casing, and inlet valve 20 connects external pressuring pump conduit.Exhaust elbow, pressure measurement bend pipe and water inlet bend pipe are withstand voltage weldless steel tube, and its diameter is 22 ± 1mm, and thickness is 3.5 ± 0.05mm.
Sleeve pipe lower end side welding drain elbow 21 is connected to draining electric control valve 22 on the drain elbow 21, be used for the analog casing draining.
The bottom of test pools 1 is equipped with suction pump 23 (the vertical suction pump of German Ji Gebian), is used for the water of regular replacing test pools, prevents to have influence on the test effect too much because of impurity in the water.
Be provided with movably tinfoil device 3 and sound intensity sound-measuring device probe 10 in the test container.The tinfoil device comprises tinfoil frame and the tinfoil that is arranged in the tinfoil frame; Tinfoil Device Testing scope is: the tinfoil device is placed distance and is begun from the cement mantle cylinder; Arrive about test container madial wall 15cm, and all can test around cement mantle cylinder one all different depths place.Sound intensity sound-measuring device probe placement distance 1cm outside the cement mantle cylinder begins, and arrives about test container madial wall 15cm, and all can test around cement mantle cylinder one all different depths place.
During test ultrasonic cavitation effect; With rope the tinfoil frame is put into test pools 1; The tinfoil frame is placed the test position scope: distance can to about the madial wall 15cm of test pools 1, and detect the tinfoil frame and all can test around cement mantle cylinder 4 one all different depths from 4 beginnings of cement mantle cylinder.After effect a period of time, propose the tinfoil frame, according to cavity in the tinfoil what, estimate the action effect of ultrasonic cavitation; During test sound intensity numerical value; Sound intensity sound-measuring device probe 10 (GB/T 17561-1998 sound-intensity measuring device and probes) are placed institute's location with the waterproof insulation cable put (test specification: place distance 10cm outside cement mantle and begin; To about test pools madial wall 15cm; And detecting the tinfoil frame all can test around cement mantle one all different depths), read the sound intensity testing appearance registration that its probe is connected.
The operating process of the utility model is following:
1, at first, in test pools 1, inject clear water to the cement mantle cylinder 4 of simulating oil well sub-surface structure by the complete submergence of water.Ultrasonic transducer 5 and upper flange plate 16 is fastening; Sealing surface at upper and lower ring flange 14 applies butter then; And on sealing surface, place the O-ring seal that is complementary with ring flange (guarantee to suppress can normally); The ultrasonic transducer 5 that will connect upper flange plate is then put into sleeve pipe 6, and upper and lower ring flange is carried out fixing seal, and ultrasound wave cable 15 is connected with ultrasonic transducer 5.
2, open inlet valve 20 and drain tap 17, inlet valve 20 is linked to each other with external pressuring pump sleeve pipe, open pressuring pump then sleeve pipe 6 water fillings are pressurizeed; When drain tap 17 is discharged a large amount of water; Close drain tap 17, pressuring pump continues operation, pressure gauge 11 registrations that are connected to sleeve pipe near when wanting pressure; Slowly close inlet valve 20, close inlet valve during crawl pressuring pump to required pressure fully.Tinfoil frame and sound intensity sound-measuring device probe 10 that tinfoil will be installed are then placed test position, start ultrasonic transducer 5, test.When needing the lift lug intraductal pressure, open inlet valve, when continuing water filling and being forced into the pressure gauge registration and wanting pressure, slowly close inlet valve, close inlet valve during the extremely required pressure of crawl pressuring pump fully near institute.When need reducing in the sleeve pipe pressure, slowly open drain tap, pressure release to required pressure is closed drain tap.
3, after test finishes, open 17 pairs of sleeve pipes of drain tap and carry out pressure release, when the tensimeter registration makes zero; Unclamp the holding screw of upper and lower ring flange, take out ultrasonic transducer 5, the opening water discharge electric control valve 22 then; Utilization ground water pumper carries out pump drainage water to the oil well running casing of weldless steel tube simulation, when water drains to analog casing, closes draining electric control valve 22; And cover sleeve opening with overcover, in order to avoid the impurity in the environment gets into, stop up drainage pipeline.Water such as need are changed in the test pools, but performance test basin bottom suction pump 23 after water drains in the test pools, refills clear water in test pools.
More than show and described the advantage of ultimate principle, principal character and the utility model of the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The just principle of describing in the foregoing description and the instructions of the utility model; The utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these variations and improvement all fall in the scope of the utility model that requires protection.The protection domain that the utility model requires is defined by appending claims and equivalent thereof.
Claims (9)
1. oil well is constructed the acoustical behavior test simulator down, it is characterized in that, comprises the test container of a circle, and the madial wall of said test container is provided with sound-absorbing material layer; The central authorities of said test container are provided with sleeve pipe; Said sleeve pipe is wrapped with the cement mantle cylinder; The lower end of said sleeve pipe is a blind end; Be provided with ultrasonic transducer in the sleeve pipe; The body of sleeve pipe is provided with exhaust elbow, pressure measurement bend pipe and the water inlet bend pipe that is communicated with inside pipe casing; Exhaust elbow is provided with drain tap, and the pressure measurement bend pipe is provided with pressure measurement valve and pressure gauge, and the water inlet bend pipe is provided with inlet valve; Be provided with movably tinfoil device and sound intensity sound-measuring device probe in the said test container.
2. oil well according to claim 1 is structure acoustical behavior test simulator down, it is characterized in that said test container is a test pools, and the diameter of test pools is 4m, and the degree of depth is 5.5m, and the bottom of test pools and side all are coated with concrete.
3. oil well according to claim 2 is structure acoustical behavior test simulator down, it is characterized in that, is provided with suction pump in the said test container.
4. oil well according to claim 2 is structure acoustical behavior test simulator down; It is characterized in that said sleeve pipe is a weldless steel tube, the internal diameter of this weldless steel tube is 135mm-140mm; The thickness of weldless steel tube is 5mm-6mm, and the height of weldless steel tube is 5.0 meters-5.2 meters.
5. oil well according to claim 2 is structure acoustical behavior test simulator down; It is characterized in that; Said cement mantle cylinder is for adopting the made cement mantle cylinder of concrete of sulfate resistance D grade label, and the height of cement mantle cylinder is 3.8 meters-4.0 meters, and thickness is 0.9 meter-1.0 meters.
6. oil well according to claim 2 is structure acoustical behavior test simulator down; It is characterized in that the upper end of said sleeve pipe is welded with lower flange, the upper end of said ultrasonic transducer is fixedly connected with upper flange plate; Lower flange thickness is 35 ± 0.5mm; Upper flange plate thickness is 40 ± 0.5mm, and between lower flange and the upper flange plate after fastening, the withstand voltage 15MPa that is not less than.
7. oil well according to claim 6 is structure acoustical behavior test simulator down, it is characterized in that, is welded with the bonnet nut that connects ultrasonic transducer on the said upper flange plate.
8. oil well according to claim 2 is structure acoustical behavior test simulator down; It is characterized in that; The side of said cement mantle cylinder is connected with the madial wall of test container through the side bracing frame, and the bottom of cement mantle cylinder is connected with the bottom of test container through end bracing frame.
9. oil well according to claim 2 is structure acoustical behavior test simulator down, it is characterized in that said sleeve pipe bottom also connects a drain elbow, and this drain elbow is provided with the draining electric control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201740512U CN202522434U (en) | 2012-04-24 | 2012-04-24 | Acoustical property detection and simulation device for structure under oil well |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012201740512U CN202522434U (en) | 2012-04-24 | 2012-04-24 | Acoustical property detection and simulation device for structure under oil well |
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| CN202522434U true CN202522434U (en) | 2012-11-07 |
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| CN2012201740512U Expired - Lifetime CN202522434U (en) | 2012-04-24 | 2012-04-24 | Acoustical property detection and simulation device for structure under oil well |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104514554A (en) * | 2013-09-30 | 2015-04-15 | 中国石油天然气股份有限公司 | Reservoir simulation device |
| CN104948165A (en) * | 2015-06-29 | 2015-09-30 | 中国石油天然气集团公司 | Acoustic logging stimulation experiment system, energy converter positioning device and combined equipment |
| CN110455704A (en) * | 2019-09-09 | 2019-11-15 | 中南大学 | A kind of concrete material sulphate-corrosion resistance energy detection method and system |
| CN111465749A (en) * | 2017-12-13 | 2020-07-28 | 艾奎诺能源公司 | Sampling module for multiphase flow meter |
-
2012
- 2012-04-24 CN CN2012201740512U patent/CN202522434U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104514554A (en) * | 2013-09-30 | 2015-04-15 | 中国石油天然气股份有限公司 | Reservoir simulation device |
| CN104514554B (en) * | 2013-09-30 | 2017-05-10 | 中国石油天然气股份有限公司 | Reservoir simulation device |
| CN104948165A (en) * | 2015-06-29 | 2015-09-30 | 中国石油天然气集团公司 | Acoustic logging stimulation experiment system, energy converter positioning device and combined equipment |
| CN111465749A (en) * | 2017-12-13 | 2020-07-28 | 艾奎诺能源公司 | Sampling module for multiphase flow meter |
| CN111465749B (en) * | 2017-12-13 | 2024-01-16 | 艾奎诺能源公司 | Sampling module for multiphase flowmeter |
| CN110455704A (en) * | 2019-09-09 | 2019-11-15 | 中南大学 | A kind of concrete material sulphate-corrosion resistance energy detection method and system |
| CN110455704B (en) * | 2019-09-09 | 2020-09-29 | 中南大学 | Method and system for detecting sulfate erosion resistance of concrete material |
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Granted publication date: 20121107 |
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