CN108119131A - A kind of high temperature untethered sound passes logging instrument - Google Patents
A kind of high temperature untethered sound passes logging instrument Download PDFInfo
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- CN108119131A CN108119131A CN201711482864.1A CN201711482864A CN108119131A CN 108119131 A CN108119131 A CN 108119131A CN 201711482864 A CN201711482864 A CN 201711482864A CN 108119131 A CN108119131 A CN 108119131A
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- pressure
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- sound
- heat
- high temperature
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
- E21B47/07—Temperature
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
Abstract
The present invention discloses a kind of high temperature untethered sound and passes logging instrument, and energy converter is passed including main body, sheath temperature sensor, pressure-sensitive probe, pressure sensor, signal gathering unit, main control circuit unit harmony.The present invention can be realized remotely connected by heat safe heat-resisting cable and heat-resisting pressure guiding pipe sheath temperature sensor and pressure-sensitive probe with main body, so that main in vivo electronic component can avoid the target oil gas interval of high temperature and high pressure environment in heavy oil wells, then the depth bounds of environment adaptation is operated in, and the detected value that sheath temperature sensor and pressure-sensitive are popped one's head in is converted to by acoustic signals by sound biography energy converter and is transferred to ground along oil pipe.Meanwhile the present invention additionally uses the whole high temperature resistant designing scheme in short-term of logging instrument so that logging instrument can effectively pass through heavy oil wells high-temperature oil gas interval during going into the well, it is achieved thereby that the temperature and pressure continuous monitoring to heavy oil wells high-temperature oil gas interval.
Description
Technical field
The present invention relates to mineral resources exploration technical field, more particularly to a kind of high temperature untethered sound passes logging instrument.
Background technology
With the development of Chinese energy industry, more and more mineral exploration equipment have been used widely.
Mineral exploration equipment mainly includes coal mining, oil exploitation, sea-bottom oil-gas winning apparatus etc..With oil field oil gas
Exemplified by exploitation, during the oil exploitation in oil field, since asphalt colloid content is high in viscous crude, there is special high viscosity and height
Dot characteristics are solidified, thus flow difficulties, exploitation are difficult.The most common method of oil-field thick-oil block oil recovery is to utilize thermal recovery skill
Main means of the art as heavy oil development, this method have been widely used for the exploitation of domestic and international heavy crude reservoir.
At present, one of main method of heavy crude heat extraction is exactly that high-temperature steam pressure injection is utilized high temperature to underground oil-gas Layer section
Fuel factor reduces viscosity of crude increases production capacity to improve mobility.It, in order to monitor steam injection technology and evaluation steam injection efficiency
Pressure, temperature change to injecting-steam viscous crude oil well oil gas interval carry out real-time continuous monitoring.
However, the monitoring in real time of the pressure of injecting-steam viscous crude oil well oil gas interval, temperature is always a technical barrier.Main cause
It is that injecting-steam viscous crude oil well oil gas interval temperature is higher (200 DEG C -350 DEG C), Conventional electronics can not directly make in high temperature environments
With long-time continuous monitoring task can not be completed；Meanwhile the depth of heavy oil wells oil gas interval is larger, conventional means can not be easily
The detection data of electronic instrument are transferred to ground receiving wastewater facility by ground.
Therefore, how to realize the temperature and pressure real-time continuous monitoring for a long time to injecting-steam viscous crude oil well oil gas interval, be ability
The technical issues of field technique personnel are urgently to be resolved hurrily.
The content of the invention
The object of the present invention is to provide a kind of high temperature untethered sound to pass logging instrument, employs logging instrument entirety high temperature resistant design side
Case so that logging instrument can effectively pass through high temperature and pressure injecting-steam viscous crude oil well oil gas interval during going into the well, into temperature environment
The depth bounds of adaptation, so as to realize the temperature and pressure continuous monitoring to injecting-steam viscous crude oil well oil gas interval, simultaneously
Art can be taught skill using untethered sound transmit gathered data in real time to ground installation.
In order to solve the above technical problems, the present invention, which provides a kind of high temperature untethered sound, passes logging instrument, including being inserted in oil well
Main body, by the connection of heat-resisting cable on the body and for the armour of target oil-gas Layer position detection temperature in oil well
It fills temperature sensor, connected by heat-resisting pressure guiding pipe on the body and for the target oil-gas Layer position detection in oil well
The pressure-sensitive probe of pressure is arranged at the pressure being connected by the heat-resisting pressure guiding pipe in the main body and with the pressure-sensitive probe signal
Force snesor is arranged in the main body and for gathering the detection data of the sheath temperature sensor and pressure sensor
Signal gathering unit is arranged in the main body and for the gathered data of the signal gathering unit to be converted to pulse code
The main control circuit unit of signal is connected, the pulse code letter for being converted according to the main control circuit unit with the main body
It sound number is sent to ground passes the sound of pulse signal and pass energy converter.
Preferably, the sheath temperature sensor is specially Pt1000 platinum sensors, and is welded on the resistance to hot line
On cable.
Preferably, the heat-resisting cable specifically includes flexible metal tube envelope, is built in the metal tube envelope
Several multicore cables and the filling quartz sand layer in the metal tube envelope.
Preferably, the end that energy converter is connected is passed in the main body with the sound to be provided with to prevent in oil gas entrance
The Sealing in portion, and twice are offered on the Sealing and are respectively used to connect the heat-resisting cable and heat-resisting pressure guiding pipe
Connecting hole.
Preferably, it is both provided with metal seal on each connecting hole.
Preferably, being additionally provided in the main body, which makes the sound pass energy converter and be realized with the main control circuit unit, believes
Number connection same slip ring shaft electric connector.
Preferably, it is surrounded with thermal insulation layer on the outer casing inner wall of the main body.
Preferably, be provided with to improve in the signal gathering unit signal acquisition precision programmable amplifier and 24
Analog-digital converter, and be additionally provided in the main body and sampled and stored up for the data for being gathered the signal gathering unit
The data storage element deposited.
Preferably, the pressure-sensitive probe specifically includes pressure chamber and is arranged in the pressure chamber and is divided into outside
Space and the pressure-sensitive diaphragm of inner space, for the exterior space of the pressure chamber for accommodating oil gas, the inside of the pressure chamber is empty
Between for accommodating pilot medium；The heat-resisting pressure guiding pipe is connected with the inner space of the pressure chamber, and the heat-resisting pressure guiding pipe
Fill with the pilot medium.
Preferably, the sound passes energy converter and specifically includes housing, the heat-insulated bottle for being arranged at the housing bottom, is arranged at
The sliding cavity of the housing tip connects with the end of the sliding cavity and is used to make what sound wave was transferred along the upper end of the main body
Sounding chamber, the metal block being arranged in the sliding cavity are circumferentially positioned on the inner wall of the sliding cavity and for being powered
When by electromagnetic induction the metal block is driven to hit the sliding cavity end wall with the coil windings that generate sound wave and with institute
State the connection of main control circuit unit signal, be arranged in the heat-insulated bottle, for the time sequential pulse according to its control signal to institute
State the power on/off controlling device that coil windings are powered.
High temperature untethered sound provided by the present invention passes logging instrument, is mainly visited including main body, sheath temperature sensor, pressure-sensitive
Head, signal gathering unit, main control circuit unit harmony pass energy converter.Wherein, main body is mainly used for plugging in oil well, and reaches
Predetermined depth.Sheath temperature sensor is connected to by heat-resisting cable in main body, and sheath temperature sensor is mainly used for
Its temperature is detected at target oil-gas Layer (steam injection interval) position in oil well.Pressure-sensitive probe is connected to main body by heat-resisting pressure guiding pipe
On, and pressure-sensitive probe is mainly used for detecting its pressure at the target oil-gas Layer position in oil well.It is provided in main body
Pressure sensor, the pressure sensor are used to detect the detected pressure value of pressure-sensitive probe.Signal gathering unit is arranged in main body,
It is mainly used for gathering the detected value of sheath temperature sensor and pressure sensor, and main control circuit unit is mainly used for adopting signal
The collection value of collection unit is converted to pulse code signal according to built-in algorithm.Sound passes energy converter and is connected with main body, is mainly used for root
Sound is sent to ground according to the pulse code signal that main control circuit unit is converted and passes pulse signal, that is, converts electrical signals to sound wave
Signal.Sound passes receiver and is arranged on ground, is mainly used for the sound that sound biography energy converter is sent passing pulse signal by pretreatment
After be reduced to original data signal, i.e., the temperature and pressure value of target oil-gas Layer in oil well.In this way, high temperature provided by the present invention
Untethered sound passes logging instrument, and detection temperature and pressure at target oil-gas Layer by sheath temperature sensor and pressure-sensitive probe pass through
Heat safe heat-resisting cable and heat-resisting pressure guiding pipe cause sheath temperature sensor and pressure-sensitive to pop one's head in and can be realized at a distance with main body
Connection, so that main in vivo electronic component can avoid the target oil gas interval of high temperature and high pressure environment in oil well, then
The depth bounds of environment adaptation is operated in, meanwhile, detection of the energy converter by sheath temperature sensor and pressure-sensitive probe is passed by sound
Value is converted to acoustic signals and is transferred to ground along main body.Present invention employs the whole high temperature resistant designing scheme in short-term of logging instrument,
So that logging instrument can effectively pass through high temperature and pressure injecting-steam viscous crude oil well oil gas interval during going into the well, it is achieved thereby that viscous crude
The temperature and pressure continuous monitoring of well oil gas interval.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention, for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of overall structure diagram of specific embodiment provided by the present invention；
Fig. 2 is environment schematic of the main body in oil well shown in Fig. 1；
Fig. 3 is the attachment structure schematic diagram of the pressure-sensitive probe and pressure sensor shown in Fig. 1；
Fig. 4 is the concrete structure schematic diagram of the sound biography energy converter shown in Fig. 1.
Wherein, in Fig. 1-Fig. 4：
Main body -1, sheath temperature sensor -2, heat-resisting cable -201, pressure-sensitive probe -3, heat-resisting pressure guiding pipe -301,
Pressure chamber -302, pressure-sensitive diaphragm -303, pilot medium -304, pressure sensor -305, signal gathering unit -4, master control
Circuit unit -5, sound biography energy converter -6, heat-insulated bottle -601, sliding cavity -602, sounding chamber -603, metal block -
604, coil windings -605, power on/off controlling device -606, Sealing -8, connecting hole -9, metal seal -10, coaxially
Slip ring electric connector -11, thermal insulation layer -12.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment belongs to the scope of protection of the invention.
It please refers to Fig.1, Fig. 1 is a kind of overall structure diagram of specific embodiment provided by the present invention.
In a kind of specific embodiment provided by the present invention, high temperature untethered sound, which passes logging instrument, mainly includes main body 1, armour
It fills temperature sensor 2, pressure-sensitive probe 3, signal gathering unit 4,5 harmony of main control circuit unit and passes energy converter 6.
Wherein, main body 1 is mainly used for plugging in oil well, and reaches predetermined depth.Main body 1 is general cylindrical, length
Degree is generally more than the depth that oil well presets oil-gas Layer, and each type component is provided in main body 1.
Sheath temperature sensor 2 is connected to by heat-resisting cable 201 in main body 1, and sheath temperature sensor 2 is mainly used
Its temperature is detected at target oil-gas Layer (steam injection interval) position in oil well.Sheath temperature sensor 2 is passed with ordinary temperature
Sensor implies that and one layer of protection tissue is provided in the outside of conventional temperature sensor difference lies in " armouring ".Specifically, the armour
Armouring high temperature high-resolution Pt1000 platinum sensors can be used in dress temperature sensor 2, can be directly placed at high temperature steam injection oil
Interval, thermometric range is up to 350 DEG C or more.Meanwhile welding procedure also can be used by itself and resistance to hot line in the sheath temperature sensor 2
Cable 201 is welded.And the heat-resisting cable 201 concretely heat safe multicore cable flexible wirerope, mainly including metal tube
Shell, several multicore cables and quartz sand layer.Wherein, each multicore cable is arranged inside metal tube envelope, and in gold
Belong to filling to realize high temperature electrical insulation by quartz sand layer inside pipe shell, make it have resistance to 350 DEG C of hot properties, and gold
Belonging to pipe shell has elasticity, can be arbitrarily tortuous, more adapts to the working space of different geographical environments.In this way, armouring temperature can be made
It is realized between degree sensor 2 and main body 1 by heat-resisting cable 201 remotely connected.
Pressure-sensitive probe 3 is connected to by heat-resisting pressure guiding pipe 301 in main body 1, and pressure-sensitive probe 3 is mainly used in oil well
Its pressure is detected at interior target oil-gas Layer position.As sheath temperature sensor 2, pressure-sensitive probe 3 equally can be by resistance to
It is formed between hot pressure guiding pipe 301 and main body 1 remotely connected.But pressure-sensitive probe 3 is not directly used in measurement target oil-gas Layer
Pressure, but sense its pressure, and the pressure transmission sensed, to pressure sensor 305, which sets
It puts inside main body 1.
Signal gathering unit 4 and main control circuit unit 5 are arranged in main body 1, wherein, the former is mainly used for gathering armouring
The temperature value and pressure value of target oil-gas Layer in the detected value of temperature sensor 2 and pressure sensor 305, i.e. oil well, and master control
Circuit unit 5 is mainly used for the collection value of signal gathering unit 4 being converted to pulse code signal according to built-in algorithm, it is clear that
The pulse code signal is electric signal.
As shown in Fig. 2, Fig. 2 is environment schematic of the main body in oil well shown in Fig. 1.
Sound passes energy converter 6 and is connected with main body 1, is mainly used for the pulse code signal converted according to main control circuit unit 5
Sound is sent to ground and passes pulse signal, that is, converts electrical signals to acoustic signals.
In this way, the high temperature untethered sound that the present embodiment is provided passes logging instrument, popped one's head in by sheath temperature sensor 2 and pressure-sensitive
3 at target oil-gas Layer detection temperature and pressure, pass through 301 armouring of heat safe heat-resisting cable 201 and heat-resisting pressure guiding pipe
Temperature sensor 2 and pressure-sensitive probe 3 can be realized with main body 1 it is remotely connected so that the electronic component in main body 1 is equal
The target oil gas interval of high temperature and high pressure environment in oil well can be avoided, then operates in the depth bounds of environment adaptation, is realized pair
The temperature and pressure continuous monitoring of oil well stream-injection interval；Meanwhile energy converter 6 is passed by 2 He of sheath temperature sensor by sound
The detected value of pressure-sensitive probe 3 is converted to acoustic signals and is transferred to ground along main body 1, then carries out data convert by ground installation
Detection mode, the electromagnetic interference of the target oil gas interval of high temperature and high pressure environment can effectively be immunized, so as to improve to oil well
The temperature and pressure accuracy of detection of steam injection interval.
Logging instrument is passed in normal operation in view of high temperature untethered sound, and the major part of main body 1 is operated in oil well, to carry
The sealing performance of high main body 1 avoids the oil gas in oil/gas well from entering inside main body 1 and parts is caused to be lost and destroyed, this
Embodiment passes at the end position that energy converter 6 is connected with sound and is provided with Sealing 8 on the body 1, which specifically may be used
Sealing block structure is cylindrical in shape, is mainly used for one end end of sealed body 1, can be achieved at the same time gas-tightly and liquid-tightly.And consider
It is required to be connected with the signal gathering unit 4 inside main body 1 to sheath temperature sensor 2 and pressure-sensitive probe 3, for this purpose, this implementation
Example has opened up twice connecting hole 9 on Sealing 8, is respectively used to connect heat-resisting cable 201 and heat-resisting pressure guiding pipe 301, in this way,
Signal gathering unit 4 and sheath temperature sensor 2 and pressure-sensitive can be realized respectively by heat-resisting cable 201 and heat-resisting pressure guiding pipe 301
The signal connection of probe 3.
Further, when after connecting hole 9 have been opened up on Sealing 8, may going out in the slit gap location of connecting hole 9
The situation that existing oil gas penetrates into, in view of this, the present embodiment is also additionally arranged metal seal 10, such as metal sealing on connecting hole 9
Lock nut etc..
Furthermore, it is contemplated that 5 harmony of main control circuit unit passes energy converter 6 one in 1 inside one of main body outside main body 1,
For convenience of electric signal connection between the two, in view of this, the present embodiment is provided with inside main body 1 with slip ring shaft electric connector 11.
Specifically, the mica component that resistance to 350 DEG C of high temperature can be used with slip ring shaft electric connector 11 is formed with metal assembly processing and fabricating,
Using coaxial polycyclic design, there is good high temperature resistant, good insulation and be conductively connected characteristic.
Moreover, the present embodiment is provided with thermal insulation layer 12 also on the outer casing inner wall of main body 1.Specifically, the thermal insulation layer
12 can be metallic insulation bottle etc., be mainly used for opening the high-temperature high-pressure medium in extraneous oil well and 1 internal insulation of main body, use
Metallic Dewar flask technology, it is ensured that main body 1 is in the target oil gas interval Jing Guo high temperature and pressure, each parts in main body 1
It is in the environment temperature of normal work.
In addition, the temperature of target oil-gas Layer, the accuracy of detection of pressure, the present embodiment in oil well are being believed to further improve
Programmable amplifier and 24 analog-digital converters are additionally arranged in number collecting unit 4, the two is applied in combination, to sheath temperature sensor 2
When carrying out data acquisition with the detected value of pressure sensor 305, the precision of signal acquisition can greatly improved.Meanwhile this implementation
Data storage element is also additionally arranged in example, in the sampling time of setting, main control circuit unit 5 can control signal gathering unit 4 right
Corresponding temperature carries out signal acquisition with pressure physical quantity, and is converted into temperature with being stored in data after force samples data
In storage unit.
As shown in figure 3, Fig. 3 is the pressure-sensitive probe and the attachment structure schematic diagram of pressure sensor shown in Fig. 1.
In a kind of preferred embodiment on pressure-sensitive probe 3, pressure-sensitive probe 3 specifically includes pressure chamber 302 and sense
Pressuring film plate 303 is also useful for the heat-resisting pressure guiding pipe 301 being connected with pressure sensor 305 certainly.Wherein, pressure chamber 302 can be used for
Oil gas is accommodated, thin film, i.e. pressure-sensitive diaphragm 303 are equipped in pressure chamber 302, which is mainly used for experiencing
The pressure change of oil gas, fluctuates with the variation of oil-air pressure.Meanwhile the pressure-sensitive diaphragm 303 separates pressure chamber 302
For two spaces, i.e. exterior space and inner space.Wherein, the exterior space of pressure chamber 302 is for accommodating oil gas, and inside is empty
It is interior then be filled with pilot medium 304, it may generally be silicone oil etc..Meanwhile pilot Jie is equally filled in heat-resisting pressure guiding pipe 301
Matter 304, and one end of heat-resisting pressure guiding pipe 301 is connected with the inner space of pressure chamber 302, the other end and pressure sensor 305
Connection.In this way, when 3 normal operation is popped one's head in pressure-sensitive, oil gas fills with the exterior space of pressure chamber 302, and pressure-sensitive diaphragm 303 is subject to oil
The driving of atmospheric pressure and fluctuate, and then squeeze or loose pressure chamber 302 inner space and heat-resisting pressure guiding pipe 301 in leading
Medium 304 is pressed, using capillary impulse principle, the pressure change experienced by pilot medium 304 can be by target in oil well
The pressure transmission of oil-gas Layer is to pressure sensor 305.
As shown in figure 4, Fig. 4 is the concrete structure schematic diagram of the sound biography energy converter shown in Fig. 1.
In a kind of preferred embodiment of energy converter 6 is passed on sound, which passes energy converter 6 and specifically includes housing, heat-insulated
Bottle 601, sliding cavity 602, sounding chamber 603, metal block 604, coil windings 605 and power on/off controlling device 606.Wherein, shell
Body passes the agent structure of energy converter 6 for sound, and parts may be contained in housing.Heat-insulated bottle 601 is arranged on the bottom of housing
Position, and sliding cavity 602 and generation cavity 603 may be contained within the apical position of housing.Heat-insulated bottle 601 can be close using welding simultaneously
Envelope is sealed with metal o-ring, is mainly used for the high temperature and high pressure environment for completely cutting off extraneous oil well to power on/off controlling device 606.It is sliding
Metal block 604 is provided in chamber 602, and the metal block 604 can slide in the sliding cavity 602, when metal block 604
End (due to main body 1 at work, general axial vertical arrangement, therefore the initial end one of sliding cavity 602 are slided into from initial end
As for bottom, and end is top) when, strike the predeterminated position on sliding cavity 602, and generate mechanical oscillation, i.e. sound wave.Hair
The operatic tunes 603 is connected with sliding cavity 602, when metal block 604 strikes the predeterminated position of 602 end of sliding cavity, the machine of generation
Tool vibration is transferred to the external world by sounding chamber 603, and the axial direction for opening up based on direction 1 of the sounding chamber 603, in this way, mechanical
Vibration can pass up to ground along the top half of main body 1.
Importantly, the slip driving force of metal block 604 comes from coil windings 605, the coil windings 605 are around setting
On the outer wall of sliding cavity 602, it can be made of the conducting wire for the fiberglass insulation for being wrapped in resistance to 350 DEG C of temperatures above, when
When being powered in coil windings 605, induced field is generated under electromagnetic induction effect, and magnetic force of the metal block 604 in magnetic field is inhaled
It is moved under the effect of drawing to the end of sliding cavity 602, and then strikes predeterminated position and generate vibration.And when in coil windings 605
During current vanishes, metal block 604 can drop back the initial position of sliding cavity 602 under gravity.Meanwhile coil windings
605 power on/off is controlled by power on/off controlling device 606, and the power on/off controlling device 606 is connected with 5 signal of main control circuit unit,
After the gathered data of signal gathering unit 4 is converted to pulse code signal by main control circuit unit 5, send the signal to logical
Circuit breaking controller 606, and power on/off controlling device 606 according to the control sequential of the pulse code signal repeatedly to coil windings 605
It charged, powered off, eventually by shock of the metal slide to 602 end predeterminated position of sliding cavity, formed and passed with sheath temperature
The corresponding mechanical oscillation of acquisition signal of sensor 2 and pressure sensor 305.
In addition, the battery-powered module of each electronic component power supply is may also be configured in main body 1, to support its progress
Longtime running.Specifically, the battery-powered module can be composed of the multiple high power batteries customized, can be each electronics
Component provides high-power DC power supply, also, the head of battery-powered module and afterbody can also install same slip ring shaft
Electric connector 11 so easily can be quickly connected or dismantle in main body 1.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide scope caused.
Claims (10)
1. a kind of high temperature untethered sound passes logging instrument, which is characterized in that including be inserted in oil well main body (1), by resistance to hot line
Cable (201) is connected in the main body (1) and is passed for the sheath temperature of the target oil-gas Layer position detection temperature in oil well
Sensor (2) is connected to by heat-resisting pressure guiding pipe (301) in the main body (1) and for the target oil-gas Layer position in oil well
The pressure-sensitive probe (3) of detection pressure is arranged in the main body (1) and is popped one's head in by the heat-resisting pressure guiding pipe and the pressure-sensitive
(3) pressure sensor (305) of signal connection, be arranged in the main body (1) and for gathering the sheath temperature sensor
(2) and the signal gathering unit of the detection data of pressure sensor (4), it is arranged in the main body (1) and for by the letter
The gathered data of number collecting unit (4) be converted to pulse code signal main control circuit unit (5) and with the main body (1)
It is connected, the pulse code signal for being converted according to the main control circuit unit (5) sends ground sound and passes pulse signal
Sound passes energy converter (6).
2. high temperature untethered sound according to claim 1 passes logging instrument, which is characterized in that the sheath temperature sensor (2)
Specially Pt1000 platinum sensors, and be welded on the heat-resisting cable (201).
3. high temperature untethered sound according to claim 2 passes logging instrument, which is characterized in that the heat-resisting cable (201) is specific
Including flexible metal tube envelope, it is built in several multicore cables of the metal tube envelope and filling described
Quartz sand layer in metal tube envelope.
4. high temperature untethered sound according to claim 3 passes logging instrument, which is characterized in that on the main body (1) with the sound
The connected end of energy converter (6) is passed to be provided with to prevent oil gas from entering internal Sealing (8), and the Sealing
(8) connecting hole (9) that twice are respectively used to connect the heat-resisting cable (201) and heat-resisting pressure guiding pipe (301) is offered on.
5. high temperature untethered sound according to claim 4 passes logging instrument, which is characterized in that is all provided on each connecting hole (9)
It is equipped with metal seal (10).
6. high temperature untethered sound according to claim 5 passes logging instrument, which is characterized in that is additionally provided in the main body (1)
For the sound to be made to pass the same slip ring shaft electric connector that energy converter (6) is connected with the main control circuit unit (5) realization signal
(11)。
7. high temperature untethered sound according to claim 6 passes logging instrument, which is characterized in that the outer casing inner wall of the main body (1)
On be surrounded with thermal insulation layer (12).
8. high temperature untethered sound according to claim 7 passes logging instrument, which is characterized in that in the signal gathering unit (4)
It is provided with to improve the programmable amplifier and 24 analog-digital converters of signal acquisition precision, and is also set up in the main body (1)
It is useful for the data storage element that the data that the signal gathering unit (4) is gathered are sampled and stored.
9. logging instrument is passed according to claim 1-8 any one of them high temperature untethereds sound, which is characterized in that the pressure-sensitive probe
(3) specifically include pressure chamber (302) and be arranged in the pressure chamber (302) and be divided into exterior space and inner space
Pressure-sensitive diaphragm (303), for accommodating oil gas, the inside of the pressure chamber (302) is empty for the exterior space of the pressure chamber (302)
Between for accommodating pilot medium (304)；The heat-resisting pressure guiding pipe (301) connects with the inner space of the pressure chamber (302), and
The heat-resisting pressure guiding pipe (301) fills with the pilot medium (304).
10. high temperature untethered sound according to claim 9 passes logging instrument, which is characterized in that it is specific that the sound passes energy converter (6)
Including housing, the sliding cavity (602) that is arranged at the heat-insulated bottle (601) of the housing bottom, is arranged at the housing tip, with
The end of the sliding cavity (602) connects and is used for the sounding chamber (603) that sound wave is made to be transferred along the upper end of the main body (1), sets
The metal block (604) that is placed in the sliding cavity (602) is circumferentially positioned on the outer wall of the sliding cavity (602) and is used for
The metal block (604) is driven to hit sliding cavity (602) end wall to generate sound wave by electromagnetic induction when being powered
It coil windings (605) and is connected, is arranged in the heat-insulated bottle (601), uses with the main control circuit unit (5) signal
In the power on/off controlling device (606) that the time sequential pulse according to its control signal is powered to the coil windings (605).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711482864.1A CN108119131B (en) | 2017-12-29 | 2017-12-29 | High-temperature cable-free acoustic transmission logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711482864.1A CN108119131B (en) | 2017-12-29 | 2017-12-29 | High-temperature cable-free acoustic transmission logging instrument |
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| Publication Number | Publication Date |
|---|---|
| CN108119131A true CN108119131A (en) | 2018-06-05 |
| CN108119131B CN108119131B (en) | 2021-05-11 |
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ID=62230602
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711482864.1A Active CN108119131B (en) | 2017-12-29 | 2017-12-29 | High-temperature cable-free acoustic transmission logging instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112304806A (en) * | 2020-11-02 | 2021-02-02 | 吉林大学 | Underground ultrasonic viscosity measuring device and measuring method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112304806A (en) * | 2020-11-02 | 2021-02-02 | 吉林大学 | Underground ultrasonic viscosity measuring device and measuring method thereof |
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