CN2613758Y - Acoustic system for high-temp. high-pressure and multi-parameter ultrasonic engineering well logging instrument - Google Patents
Acoustic system for high-temp. high-pressure and multi-parameter ultrasonic engineering well logging instrument Download PDFInfo
- Publication number
- CN2613758Y CN2613758Y CNU032403305U CN03240330U CN2613758Y CN 2613758 Y CN2613758 Y CN 2613758Y CN U032403305 U CNU032403305 U CN U032403305U CN 03240330 U CN03240330 U CN 03240330U CN 2613758 Y CN2613758 Y CN 2613758Y
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- piston
- transducer
- type pressure
- pressure
- capsule
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
A high-temperature high-pressure multi-parameter ultrasonic engineering logging device acoustic system for multi-parameter ultrasonic engineering logging device comprises a piston type pressure balance mechanism 3, a four-core bidirectional pressure-bearing inserter 6, a high-frequency energy converter 7, a low-frequency energy converter 8, a probe and a capsule type pressure balance mechanism 9, wherein the high-frequency energy converter 7 and the low-frequency energy converter 8 are sealed in the probe and the capsule type pressure balance mechanism 9, and the end portion of the device is provided with an inserter 1, the middle portion of the device is successively provided with a hysteresis synchronous motor 4, a seal disc 5, and a fore-core bidirectional pressure-bearing inserter 6, thereby guaranteeing proper motor rotating, movable sealing and leak-proof, stable energy-converter amplitude versus frequency character, and the motor, energy-converter lead wire and the acoustic system casing are electrical isolation more than 200 megohm in the state of high temperature and high pressure.
Description
Relate to the field
The utility model relates to a kind of High Temperature High Pressure Multi-parameter Ultrasonic Engineering Logging Tool sonic system that is used for Multi-parameter Ultrasonic Engineering Logging Tool.
Background technology
Multi-parameter Ultrasonic Engineering Logging Tool is to detect the internal diameter size of sleeve pipe simultaneously, checks situation such as casing deformation, burn into break, perforation and observes casing couplings, estimates the instrument of Cementation Quality.Its logging principle is two transducers of high and low frequency that will be packaged together dorsad, is installed in the rotating head of down-hole instrument, directly contacts with well liquid, with the speed rotation of 5 circle/seconds, the scanning borehole wall.Utilize high-frequency transducer also to receive the echoed signal that reflects from the borehole wall to borehole wall emission ultrasonic pulse, the size of echo and echo are relevant with the acoustic impedance and the geometric configuration of the borehole wall (sleeve pipe) time of arrival, (can measure) under the situation that the acoustic attenuation of well liquid is known, echo amplitude and echo time are exactly the function of casing corrosion, distortion etc.Utilize amplitude, time imaging, just can reflect the corrosion of sleeve pipe and distortion etc.Utilize low-frequency transducer emission ultrasonic pulse, and receive the all-round column signal of the echo that carries cement bond information that returns from the borehole wall,, estimate the glued situation of cement by from time domain, frequency-domain analysis echoed signal.Employing detects the well liquid velocity of sound with reference to transducer.
By retrieval, document related to the present invention has: patent [1] application number is 90105485.2, denomination of invention: become spacing acoustic logging method and transducer, patent [2] application number is 95109596.X, denomination of invention: penalty method high-resolution acoustic logging method and sonic system, patent [3] application number is 96215439.3, denomination of invention: oblique incidence formula ultrasonic pulse reflection method well logger, patent [4] application number is 96225539.4, denomination of invention: ultrasonic transducer, the sonic system in these inventions is different with the present invention with structure, the method for transducer.From the retrieval situation, also do not find the document similar or identical with the present invention.
Technology contents
The purpose of this utility model is to provide one can guarantee that instrument is under high-temperature high-pressure state for Multi-parameter Ultrasonic Engineering Logging Tool, the motor rotation is normal, motive seal is non-leakage, the transducer amplitude versus frequency characte is stable, motor, transducer lead-in wire and the High Temperature High Pressure Multi-parameter Ultrasonic Engineering Logging Tool sonic system of sonic system shell electrical isolation greater than 200M Ω.
The utility model adopts following technical scheme: comprise connector 1, with reference to transducer 2, piston-type pressure balanced controls 3, hysteresis synchronous motor 4, sealing pad 5, four-core bidirectional bearing plug-in unit 6, high-frequency transducer 7, low-frequency transducer 8, probe and capsule-type pressure equilibrium mechanism 9, high-frequency transducer 7 and low-frequency transducer 8 are encapsulated in probe and the capsule-type pressure equilibrium mechanism 9, the end of this device is provided with connector 1, between connector 1 and piston-type pressure balanced controls 3, have, be provided with hysteresis synchronous motor 4 successively at the middle part of this device with reference to transducer 2, sealing pad 5, four-core bidirectional bearing plug-in unit 6.
The utility model also adopts following technical scheme:
Piston-type pressure balanced controls 3 are by cylinder barrel 10, center-pole 11, and spacing aperture 12, piston 13, spring 14 is formed, piston 13 slip in center-pole 11 and cylinder barrel 10, piston 13 is equipped with spring 14 at an end that contacts with mud, has spacing aperture 12 on cylinder barrel 10.
Piston 13 endoporus all are equipped with " O " RunddichtringO and mudguard ring with outer garden.
Probe and capsule-type pressure equilibrium mechanism 9 be by capsule 15, capsule sheath 16, and sonde body 17 compositions,
Four-core bidirectional bearing plug-in unit 6, by transmission shaft 18, sonde body 19, four-core socket 20, four-core plug 21 is formed.
Sealing pad 5 is by transmission shaft 22, Moving plate 23, and quiet dish 24, plug 25 is formed.
Advantage of the present utility model is:
1. ultrasonic transducer is under the environment of the big big pressure reduction of the temperature difference, stable performance.
2. both satisfy seal request, guaranteed the movable sealing structure of the dirigibility of transmission again.
3. four-core bidirectional bearing plug-in unit should satisfy the buffer action of two kinds of pressure equalisers, has the good performance that is electrically connected again.
4. running part adopts hysteresis synchronous motor and star-like speed reduction unit to guarantee that probe rotates with the speed of 5 circle/seconds reposefully.
5. High Temperature High Pressure wide-band transducer and High Temperature High Pressure focused transducer.
6. utilize three ultrasonic transducers to guarantee high sensitivity and high-resolution testing goal.
7. adopt bidirectional bearing plug-in unit and two relatively independent pressure equalisers, the adaptability of instrument and the convenience of operation are greatly improved.
8. adopt the metal dish plane sealing structure, solved the contradiction of sealing and transmission effectively.
Transducer, driving motor and the pressure equaliser of 3 different purposes are installed in this sonic system, can be under the high-temperature and high-pressure conditions of 155 ℃ of downhole temperatures, pressure 80Mpa operate as normal.
Description of drawings
Accompanying drawing 1 is a structural drawing of the present utility model;
Accompanying drawing 2 is piston-type pressure equilibrator compositions;
Accompanying drawing 3 is probe and capsule-type pressure equilibrium mechanism map;
Accompanying drawing 4 is axle head four-core connector figure;
Accompanying drawing 5 is movable sealing structure figure.
Concrete enforcement
As shown in Figure 1,1 is 31 core connectors, and 2 is with reference to transducer, and 3 is the piston-type pressure balanced controls, 4 is hysteresis synchronous motor, and 5 is sealing pad, and 6 is four-core bidirectional bearing plug-in unit, 7 is high-frequency transducer, and 8 is low-frequency transducer, and 9 are probe and capsule-type pressure equilibrium mechanism.
High-frequency transducer 7 and low-frequency transducer 8 are encapsulated in the probe.High-frequency transducer 7 adopts focused transducer, because of its high sensitivity, is used to detect casing corrosion; Low-frequency transducer 8 adopts the thin discs planar transducer, utilizes its high-resolution Characteristics Detection cementing quality.Be installed in the top connection with reference to transducer 2, a camber breach is arranged in the top connection, make with reference to transducer 2 and can directly be immersed in the mud.Pass to by mud with reference to transducer 2 emitting sound wave signals on the other end of camber breach and reflect, reflection wave turns back to reference to transducer through the former road of mud.Record from be transmitted into reception the time with, just can calculate the velocity of sound of mud.
Accompanying drawing 2 is piston-type pressure equilibrator compositions.10 is cylinder barrel, and 11 is center-pole, and 12 is spacing aperture, and 13 is piston, and 14 is spring.
Metallic piston 13 slides in center-pole 11 and cylinder barrel 10, and piston 13 endoporus all are equipped with " O " RunddichtringO and mudguard ring with outer garden.Piston 13 1 sides contact with mud, and opposite side contacts with hydraulic oil.At an end that contacts with mud spring 14 is housed, on cylinder barrel 10, has spacing aperture 12.After oil pump is gone into annular seal space, promote piston 13 and move, piston 13 compression springs 14, spring 14 is given the fluid precharge; When " O " RunddichtringO on the garden outside the piston 13 moves on to the oily aperture of limit 12 outsides, seal oil chamber is in communication with the outside, unnecessary oil is emerged from spacing aperture 12, stop pump oil, the elastic force of spring 14 promotes piston 13 travelling backwards, " O " RunddichtringO on the piston 13 seals spacing aperture 12, and the oil pocket sealing is hedged off from the outer world.When the well hydraulic coupling greater than the seal oil chamber internal pressure, well liquid promotes piston 13 and moves, and seal oil chamber internal pressure and well hydraulic coupling are balanced each other.
Drive motor adopts hysteresis synchronous motor 4, the rotating speed of hysteresis synchronous motor 4 is influenced by power frequency only, do not supplied the influence of piezoelectric voltage, when under the situation of well site supply voltage shakiness, reaching rotating detector load generation fluctuation, still can be kept the constant rotational speed of popping one's head in and rotating.Reduction gear adopts fewer differential teeth planetary to slow down, and total reduction ratio is 10: 1.The principle of this planetary reduction gear is: planet wheel is contained on the input shaft of eccentric throw, and when input shaft rotated, planetary gear not only rotated around the axis of self, and revolves round the sun around the axis of annular wheel, forms planetary motion.This is a kind of translation and rotating compound motion.By the cross slider type tie-plate, the gyration of planetary gear is passed to the output shaft of speed reduction unit, thus the decelerating effect of playing.The design of few tooth difference internal gear transmission must be avoided interference of tooth problem, takes short tooth and normal shift gear to address this problem effectively.
Accompanying drawing 3 is probe and capsule-type pressure equilibrium mechanism map.15 is capsule, and 16 is the capsule sheath, and 17 is sonde body.
Adopt rubber capsule 15 that the fluid in the sonde body and the external world are separated, under the down-hole high pressure liquid effects, deformation takes place in rubber capsule 15, extraneous liquid high pressure is passed to fluid in the sonde body 17, can make high-frequency transducer 7 and low-frequency transducer 8 internal and external pressure balances in the sonde body, guarantee that high-frequency transducer 7 and well cementation transducer can not damaged by pressure by well liquid high pressure.High and low frequency transducer 7,8 encapsulates dorsad.The connector 1 of probe adopts a width of cloth four-core bidirectional bearing plug-in unit 6, and transmission pipe nipple and probe are separated, and makes the pressure equilibrium mechanism of transmission pipe nipple and probe have autonomous system of one's own, when needing to change probe, probe is unloaded, and the fluid in the probe is sealed by four-core bidirectional bearing plug-in unit 6, and fluid can not leak.Fluid in the pipe nipple of transmission is simultaneously also sealed by four-core bidirectional bearing plug-in unit 6, can not leak.Four-core bidirectional bearing plug-in unit 6 has interchangeability, changes any probe, and four-core connector 6 is docked smoothly, makes high-frequency transducer 7 and low-frequency transducer 8 leads and transmission pipe nipple lead UNICOM.
Accompanying drawing 4 is axle head four-core connector figure.18 is transmission shaft, and 19 is sonde body, and 20 is the four-core socket, and 21 is the four-core plug.
Accompanying drawing 5 is movable sealing structure figure.22 is transmission shaft, and 23 is Moving plate, and 24 is quiet dish, and 25 is plug.
The metal dish butt-end packing is adopted in the sealing of turning axle, and the kinetic friction coefficient of metallic seal is less, is about 0.07, and power attenuation is little; Secondly, metallic seal is not out of shape because of the temperature, pressure of well liquid, can guarantee the operate as normal of running part; The 3rd, metallic seal has that sealing is reliable, the advantage of long service life.The requirement on machining accuracy of metallic sealing section is very high.
Claims (6)
1. High Temperature High Pressure Multi-parameter Ultrasonic Engineering Logging Tool sonic system, comprise connector (1), with reference to transducer (2), piston-type pressure balanced controls (3), hysteresis synchronous motor (4), sealing pad (5), four-core bidirectional bearing plug-in unit (6), high-frequency transducer (7), low-frequency transducer (8), probe and capsule-type pressure equilibrium mechanism (9), it is characterized in that: high-frequency transducer (7) and low-frequency transducer (8) are encapsulated in probe and the capsule-type pressure equilibrium mechanism (9), the end of this device is provided with connector (1), between connector (1) and piston-type pressure balanced controls (3), have, be provided with hysteresis synchronous motor (4) successively at the middle part of this device with reference to transducer (2), sealing pad (5), four-core bidirectional bearing plug-in unit (6).
2. High Temperature High Pressure Multi-parameter Ultrasonic Engineering Logging Tool sonic system according to claim 1, it is characterized in that: piston-type pressure balanced controls (3) are by cylinder barrel (10), center-pole (11), spacing aperture (12), piston (13), spring (14) is formed, and piston (13) slides in center-pole (11) and cylinder barrel (10), piston (13) is equipped with spring (14) at an end that contacts with mud, has spacing aperture (12) on cylinder barrel (10).
3. High Temperature High Pressure Multi-parameter Ultrasonic Engineering Logging Tool sonic system according to claim 2 is characterized in that: piston (13) endoporus all is equipped with " O " RunddichtringO and mudguard ring with outer garden.
4. High Temperature High Pressure Multi-parameter Ultrasonic Engineering Logging Tool sonic system according to claim 1 is characterized in that: probe and capsule-type pressure equilibrium mechanism (9) be by capsule (15), capsule sheath (16), sonde body (17) composition.
5. High Temperature High Pressure Multi-parameter Ultrasonic Engineering Logging Tool sonic system according to claim 1 is characterized in that: four-core bidirectional bearing plug-in unit (6) is by transmission shaft (18), sonde body (19), and four-core socket (20), four-core plug (21) is formed.
6. High Temperature High Pressure Multi-parameter Ultrasonic Engineering Logging Tool sonic system according to claim 1 is characterized in that: sealing pad (5) is by transmission shaft (22), Moving plate (23), and quiet dish (24), plug (25) is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032403305U CN2613758Y (en) | 2003-03-11 | 2003-03-11 | Acoustic system for high-temp. high-pressure and multi-parameter ultrasonic engineering well logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032403305U CN2613758Y (en) | 2003-03-11 | 2003-03-11 | Acoustic system for high-temp. high-pressure and multi-parameter ultrasonic engineering well logging instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2613758Y true CN2613758Y (en) | 2004-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032403305U Expired - Lifetime CN2613758Y (en) | 2003-03-11 | 2003-03-11 | Acoustic system for high-temp. high-pressure and multi-parameter ultrasonic engineering well logging instrument |
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| CN (1) | CN2613758Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042009A (en) * | 2009-10-13 | 2011-05-04 | 中国石油天然气集团公司 | Array induction logging coil system for measuring formation resistivity |
| CN103696761A (en) * | 2013-12-24 | 2014-04-02 | 西安石油大学 | Transducer nipple for acoustic logging while drilling |
| CN109281652A (en) * | 2017-07-19 | 2019-01-29 | 中国科学院声学研究所 | A kind of borehole wall imaging system based on cylinder ultrasonic phase array |
| CN109281653A (en) * | 2017-07-19 | 2019-01-29 | 中国科学院声学研究所 | A kind of borehole wall defect classifying identification method based on cylinder ultrasonic phase array |
| CN109281650A (en) * | 2017-07-19 | 2019-01-29 | 中国科学院声学研究所 | A kind of borehole wall real time imagery method based on cylinder ultrasonic phase array |
| CN109283250A (en) * | 2017-07-19 | 2019-01-29 | 中国科学院声学研究所 | A kind of borehole wall Quantitative Evaluation of Defect method based on cylinder ultrasonic phase array |
-
2003
- 2003-03-11 CN CNU032403305U patent/CN2613758Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042009A (en) * | 2009-10-13 | 2011-05-04 | 中国石油天然气集团公司 | Array induction logging coil system for measuring formation resistivity |
| CN102042009B (en) * | 2009-10-13 | 2014-08-06 | 中国石油天然气集团公司 | Array induction logging coil system for measuring formation resistivity |
| CN103696761A (en) * | 2013-12-24 | 2014-04-02 | 西安石油大学 | Transducer nipple for acoustic logging while drilling |
| CN109281652A (en) * | 2017-07-19 | 2019-01-29 | 中国科学院声学研究所 | A kind of borehole wall imaging system based on cylinder ultrasonic phase array |
| CN109281653A (en) * | 2017-07-19 | 2019-01-29 | 中国科学院声学研究所 | A kind of borehole wall defect classifying identification method based on cylinder ultrasonic phase array |
| CN109281650A (en) * | 2017-07-19 | 2019-01-29 | 中国科学院声学研究所 | A kind of borehole wall real time imagery method based on cylinder ultrasonic phase array |
| CN109283250A (en) * | 2017-07-19 | 2019-01-29 | 中国科学院声学研究所 | A kind of borehole wall Quantitative Evaluation of Defect method based on cylinder ultrasonic phase array |
| CN109283250B (en) * | 2017-07-19 | 2020-12-01 | 中国科学院声学研究所 | Quantitative evaluation method for well wall defects based on cylindrical surface ultrasonic phased array |
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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 | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130311 Granted publication date: 20040428 |