Sonic transmissions is with the device of well-drilling bottom pressure data
Technical field
This utility model relates to well data transmitting device technical field, is that a kind of sonic transmissions is with well-drilling bottom pressure data
Device.
Background technology
In recent years, along with low pressure, low permeability formation, deep layer and complex area reservoir exploration, the increase of development amount, owe
Balanced drilling obtains in the technical advantage of the aspect such as reservoir protection, fast drilling and the most gradually embodies, and benefits from the change of market environment
And the development of the own Technology of under balance pressure drilling and perfect, define application under balance pressure drilling the most at home
Upsurge.In under balance pressure drilling, under-voltage difference is most important, and under-voltage value refers to the difference of bottom pressure and downhole formation pore pressure,
If under-voltage value is excessive, ground installation controls and difficult treatment, and may cause formation collapse, shake out, and causes in-place permeability
Degradation;Under-voltage value is too small, and construction well reservoir protection is ineffective.Therefore, underbalance drilling process is the most accurately controlled
In bottom pressure, be allowed to be maintained in scope of design, be related to the success or failure of under balance pressure drilling engineering.At precise controlling friction jewel
During well and liquid phase under balance pressure drilling, relying on PWD(with boring pressure measurement) instrument accurately measures and uploads to the shaft bottom on ground in time
Annular space head of liquid, accurately controls pressure window, has stopped to rely solely on ground data to judge underground work situation, has adopted with this
The a series of control measure taken show not science and control delayed situation.
Currently used PWD all uses mud-pulse transmission means to carry out the transmission of the data such as pressure, and it utilizes mud
Pressure oscillation (pulse) as signal transport vehicle, relatively slow (the generally 0.5bit/s of the message transmission rate of this kind of transmission means
To 1.5bit/s), poor anti jamming capability, and limited by wellbore fluids, limit the range of application of this kind of transmission means.Many frequent yawnings
Balanced drilling use liquid phase medium, but the special block of part due to reservoir pressure coefficient relatively low and use foam, inflated with nitrogen or
Person's contaminated product microfoam is as circulatory mediator, owing to positive and negative mud-pulse transmission means all can not be just in gassiness drilling circulation medium
Often transmit signal, and limit the application of this kind of transmission means, thus the drilling benefit of gassiness drilling well can not be ensured.
Summary of the invention
This utility model provides a kind of sonic transmissions device with well-drilling bottom pressure data, overcomes above-mentioned prior art
Deficiency, when using foam, inflated with nitrogen or contaminated product microfoam as circulatory mediator under balance pressure drilling is constructed, it can be effective
Exist during solving the downhole datas such as existing employing mud-pulse transmission means transmission pressure can not normal transmission signal
Problem.
The technical solution of the utility model is realized by following measures: a kind of sonic transmissions is with well-drilling bottom number pressure
According to device, including stub boring quickly, sonic transmissions urceolus, with boring pressure measurement urceolus, battery sleeve, instrument room cylinder and mandrel, stub boring quickly, sound
Ripple transmits urceolus and is the most sequentially fixedly installed togather with boring pressure measurement urceolus, is being built-in with the middle part boring pressure measurement urceolus
Mandrel, is provided with opening up blind hole on mandrel, circumferentially has at least one to communicate with blind hole at the middle part of mandrel
Radial direction through hole, with bore pressure measurement urceolus middle part circumferentially having the radial direction pressure transmission screw thread corresponding with inside and outside radial direction through hole
Hole, in radial direction pressure transmission screwed hole, mandrel can be held out against the jackscrew being fixed on boring in pressure measurement urceolus, on jackscrew by fixed installation
It is provided with the intercommunicating pore communicated with radial direction through hole, in blind hole, is installed with pressure and temperature integral sensor;At stub boring
Quickly the upper inner of the sonic transmissions urceolus of lower section is fixed with limited ring dais, and the upper outside of instrument room cylinder is fixed with limited ring dais
It is installed together, seals between the bottom and the top of mandrel of instrument room cylinder and be installed with connecting cylinder, instrument room cylinder interior
Portion and blind hole all communicate with the inside of connecting cylinder, and the bottom of battery sleeve is fixedly installed togather with the top seal of instrument room cylinder,
Piezoelectric ceramic transducer, signal processing module and down-hole power module it is installed with from top to bottom, at electricity in instrument room cylinder
Being installed with battery in the cylinder of pond, battery electrically connects with the energization input of down-hole power module, down-hole power module respectively with
Piezoelectric ceramic transducer, signal processing module, pressure electrically connect with temperature integral sensor, signal processing module respectively with pressure
Power electrically connects with temperature integral sensor and piezoelectric ceramic transducer.
Further optimization and/or improvements to above-mentioned utility model technical scheme are presented herein below:
Above-mentioned signal processing module includes signal receiving conditioning circuit module, DSP down-hole digital signal processing module and letter
Number amplification emissioning circuit module, down-hole power module respectively with signal receiving conditioning circuit module, DSP down-hole Digital Signal Processing
The power input terminal electrical connection of module and signal amplification emissioning circuit module, the signal input of signal receiving conditioning circuit module
Terminal electrically connects with the lead-out terminal of pressure with temperature integral sensor, the signal output part of signal receiving conditioning circuit module
Son electrically connects with the input terminal of DSP down-hole digital signal processing module, the lead-out terminal of DSP down-hole digital signal processing module
Electrically connecting with the input terminal of signal amplification emissioning circuit module, the lead-out terminal of signal amplification emissioning circuit module is made pottery with piezoelectricity
The input terminal electrical connection of porcelain transducer.
Above-mentioned connecting cylinder includes under sealing drum, electronic compartment cylinder and pressure-bearing cylinder, the upper outside of sealing drum and instrument room cylinder
Portion's inner seal is fixedly installed togather, and the lower inside of sealing drum is fixedly mounted on one with the upper outside sealing of electronic compartment cylinder
Rising, the upper outside of the lower inside of electronic compartment cylinder and pressure-bearing cylinder seals and is fixedly installed togather, the lower outside of pressure-bearing cylinder and
The upper inner of mandrel seals and is fixedly installed togather, and pressure is fixedly mounted on pressure-bearing cylinder with the top of temperature integral sensor
Lower inside, the bottom of pressure and temperature integral sensor is positioned at the blind hole below pressure-bearing cylinder, in the bottom of sealing drum
Inner side is installed with four line rotary connectors, the upper inner of electronic compartment cylinder be installed with on four line rotary connectors join
The lower four line rotary connectors closed, upper four line rotary connectors are plugged in together with lower four line rotary connectors, down-hole power module and pressure
Wire between the power input terminal of power and temperature integral sensor is by upper four line rotary connectors and lower four line rotary insertions
Head electrical connection, the holding wire between signal processing module and pressure and temperature integral sensor by upper four line rotary connectors and
Lower four line rotary connector electrical connections.
Sealing together with being installed with between the upper outside of above-mentioned sealing drum with the lower inside of instrument room cylinder at least
Circle, at the lower inside of the sealing drum sealing ring together with being installed with at least between the upper outside of electronic compartment cylinder, at electricity
The lower inside of sub-cabin cylinder sealing ring together with being installed with at least between the upper outside of pressure-bearing cylinder.
Above-mentioned sonic transmissions also includes positioning nut with the device of well-drilling bottom pressure data, and location nut is fixedly mounted on limit
The outside of the instrument room cylinder above the land of position;Or/and, it is installed with between piezoelectric ceramic transducer and signal processing module
Regulation ring and clamp nut, regulation ring and clamp nut are distributed with longitudinally through cable-through hole.
Seal between inside the lower inside of above-mentioned battery sleeve and the upper end of instrument room cylinder and be installed with changeover plug, electricity
Wire between pond with down-hole power module is connected by changeover plug, outside the lower inside of battery sleeve is with the top of changeover plug
Be installed with the sealing ring of at least one between side, inside the lower outside of changeover plug and the upper end of instrument room cylinder between
It is installed with the sealing ring of at least one.
Circumferentially have on above-mentioned limited ring dais at least one longitudinally through upper flowing hole, the middle part of mandrel along circle
Radial direction through hole that at least two with blind hole communicate is distributed week, is distributed on the mandrel between adjacent radial direction through hole and longitudinally passes through
Logical lower flowing hole;Or/and, the mandrel outside intercommunicating pore is provided with locating slot, the inner of jackscrew holds out against in locating slot;
Or/and, it is fixed with drawing head in the bottom of mandrel;Or/and, it is fixed with centralizer on the top of battery sleeve, outside centralizer
Side is fixed with the righting wing, and the outside of the righting wing and stub boring inner side quickly is fitted together;Or/and, in the outside of mandrel and with brill
The sealing ring of at least one it is installed with between the inner side of pressure measurement urceolus.
This utility model reasonable and compact in structure, easy to use, in the pressure that pressure is recorded with temperature integral sensor
The data of power and temperature are transmitted to ground, owing to this utility model produces stress wave in fact by piezoelectric ceramic transducer
The transmission of existing downhole data, this data transfer mode has the advantage that capacity of resisting disturbance is strong and transfer rate is fast, therefore this practicality
The novel circulatory mediator not used by under balance pressure drilling is limited, and makes the transmission that signal is normal and real-time, is applicable not only to routine
The transmission of the downhole data of under balance pressure drilling, and be applicable under balance pressure drilling is constructed, use foam, inflated with nitrogen or contaminated product
During microfoam is as the wellbore construction of circulatory mediator, it is achieved safely, conveniently, quick underbalance creep into operation, guarantee contains
The drilling benefit of pneumatic drill well, therefore, this utility model is with a wide range of applications.
Accompanying drawing explanation
Accompanying drawing 1 is that the master of this utility model most preferred embodiment top half regards sectional structure schematic diagram.
Accompanying drawing 2 is that the master of this utility model most preferred embodiment the latter half regards sectional structure schematic diagram.
Accompanying drawing 3 be in accompanying drawing 1 A-A to section view structure for amplifying schematic diagram.
Accompanying drawing 4 be mandrel B-B to section view structure for amplifying schematic diagram.
Accompanying drawing 5 is circuit block diagram of the present utility model.
Coding in accompanying drawing be respectively as follows: 1 for stub boring quickly, 2 be sonic transmissions urceolus, 3 be with brill pressure measurement urceolus, 4 is battery
Cylinder, 5 is centralizer, and 6 is instrument room cylinder, and 7 is mandrel, and 8 is blind hole, and 9 is radial direction through hole, and 10 is jackscrew, and 11 is pressure and temperature
Integral sensor, 12 is limited ring dais, and 13 is piezoelectric ceramic transducer, and 14 is signal processing module, and 15 is down-hole power mould
Block, 16 is sealing drum, and 17 is electronic compartment cylinder, and 18 is pressure-bearing cylinder, and 19 is upper four line rotary connectors, and 20 is lower four line rotary connectors,
21 is sealing ring, and 22 is location nut, and 23 is regulation ring, and 24 is clamp nut, and 25 is changeover plug, and 26 is upper flowing hole, 27
For lower flowing hole, 28 is drawing head.
Detailed description of the invention
This utility model is not limited by following embodiment, can come with practical situation according to the technical solution of the utility model
Determine specific embodiment.
In this utility model, for the ease of describing, the description of the relative position relation of each parts is all according to description
The Butut mode of accompanying drawing 1 is described, such as: the position relationship of forward and backward, upper and lower, left and right etc. is based on Figure of description
Butut direction determine.
Below in conjunction with embodiment and accompanying drawing, this utility model is further described:
As shown in accompanying drawing 1 to 5, this sonic transmissions with the device of well-drilling bottom pressure data include stub boring quickly 1, outside sonic transmissions
Cylinder 2, with boring pressure measurement urceolus 3, battery sleeve 4, instrument room cylinder 6 and mandrel 7, stub boring quickly 1, sonic transmissions urceolus 2 and with boring outside pressure measurement
Cylinder 3 is the most sequentially fixedly installed togather, and is being built-in with mandrel 7 with the middle part boring pressure measurement urceolus 3, is arranging on mandrel 7
There is opening up blind hole 8, circumferentially have at least one radial direction through hole 9 communicated with blind hole 8 at the middle part of mandrel 7,
The radial direction pressure transmission screwed hole corresponding with inside and outside radial direction through hole 9 is circumferentially had, in radial direction pressure transmission with the middle part boring pressure measurement urceolus 3
Mandrel 7 can be held out against the jackscrew 10 being fixed on boring in pressure measurement urceolus 3 by fixed installation in screwed hole, jackscrew 10 is provided with
The intercommunicating pore that radial direction through hole 9 communicates, is installed with pressure and temperature integral sensor 11 in blind hole 8;Stub boring quickly 1 time
The upper inner of the sonic transmissions urceolus 2 of side is fixed with limited ring dais 12, and the upper outside of instrument room cylinder 6 is solid with limited ring dais 12
Dingan County is fitted together, and seals and be installed with connecting cylinder, instrument room cylinder 6 between the top of the bottom of instrument room cylinder 6 and mandrel 7
Inside and blind hole 8 all communicate with the inside of connecting cylinder, the top seal fixed installation of the bottom of battery sleeve 4 and instrument room cylinder 6
Together, in instrument room cylinder 6, it is installed with piezoelectric ceramic transducer 13, signal processing module 14 and down-hole electricity from top to bottom
Source module 15, is installed with battery in battery sleeve 4, and battery electrically connects with the energization input of down-hole power module 15, well
Lower power module 15 is electric with temperature integral sensor 11 with piezoelectric ceramic transducer 13, signal processing module 14, pressure respectively
Connecting, signal processing module 14 electrically connects with temperature integral sensor 11 and piezoelectric ceramic transducer 13 with pressure respectively.
Pressure is with temperature integral sensor 11, piezoelectric ceramic transducer 13, signal processing module 14 and down-hole power module 15
Existing public technology, down-hole power module 15 has the effect of distribution voltage.By this utility model by stub boring quickly 1 with
Drill string connects, and by being connected with drill bit with brill pressure measurement urceolus 3, this utility model G.I.H, drilling well annular space and blind hole is logical
Cross radial direction through hole 9 and intercommunicating pore conducting, make pressure and temperature integral sensor 11 obtain head of liquid at the bottom of annular and temperature
(downhole data), pressure and temperature integral sensor 11 send the downhole data of acquisition to signal processing module 14, signal
Processing module 14 sends piezoelectric ceramic transducer 13 to after the signal processing to receiving, and piezoelectric ceramic transducer 13 is according to receiving
Signal produce stress wave, drill string is as transmission medium, and stress wave is transmitted to ground receiver solution code system, ground receiver by drill string
Solve code system and the stress wave signal received is reduced to the data of pressure and temperature.By pressure and temperature integral sensor
The data of 11 pressure and temperatures obtained are transmitted to ground, owing to this utility model is by piezoelectric ceramic transducer 13
Producing stress wave and realize the transmission of downhole data, this data transfer mode has that capacity of resisting disturbance is strong and that transfer rate is fast is excellent
Point, the circulatory mediator that therefore this utility model is not used by under balance pressure drilling is limited, and makes the transmission that signal is normal and real-time, no
It is only applicable to the transmission of the downhole data of conventional under balance pressure drilling, and be applicable under balance pressure drilling is constructed, uses foam, fill
During nitrogen or contaminated product microfoam are as the wellbore construction of circulatory mediator, it is achieved safely, conveniently, quick underbalance creeps into
Operation, ensures the drilling benefit of gassiness drilling well, and therefore, this utility model is with a wide range of applications.
Can according to actual needs, make to optimize further with the device of well-drilling bottom pressure data to above-mentioned sonic transmissions or/and
Improve:
As shown in Figure 5, signal processing module 14 includes at signal receiving conditioning circuit module, DSP down-hole digital signal
Reason module and signal amplification emissioning circuit module, down-hole power module 15 respectively with signal receiving conditioning circuit module, DSP down-hole
The power input terminal electrical connection of digital signal processing module and signal amplification emissioning circuit module, signal receiving conditioning circuit mould
The signal input terminal of block electrically connects with the lead-out terminal of pressure with temperature integral sensor 11, signal receiving conditioning circuit mould
The signal output terminal of block electrically connects with the input terminal of DSP down-hole digital signal processing module, DSP down-hole Digital Signal Processing
The lead-out terminal of module electrically connects with the input terminal of signal amplification emissioning circuit module, signal amplification emissioning circuit module defeated
Go out terminal to electrically connect with the input terminal of piezoelectric ceramic transducer 13.Signal receiving conditioning circuit module, DSP down-hole digital signal
Processing module and signal amplification emissioning circuit module are existing public circuit module.Down-hole power module 15 is to output
After voltage converts, form the voltage output that multichannel is different, give pressure and temperature integral sensor 11, piezoelectric ceramics respectively
Transducer 13, signal receiving conditioning circuit module, DSP down-hole digital signal processing module and signal amplification emissioning circuit module supply
Electricity.After signal receiving conditioning circuit module receives the signal of telecommunication of pressure and temperature integral sensor 11 output, signal is entered by it
Row filtering, amplify after and send DSP down-hole digital signal processing module to, DSP down-hole digital signal processing module receive from
The signal of signal receiving conditioning circuit module output, and obtain valid data after it is processed and is calculated, data are carried out
Encoding and be sent to signal amplification emissioning circuit module to these data according to certain rule after preservation, signal amplifies launches electricity
The module signal to receiving in road sends to piezoelectric ceramic transducer 13 after amplifying.
As shown in accompanying drawing 1 to 4, connecting cylinder includes sealing drum 16, electronic compartment cylinder 17 and pressure-bearing cylinder 18, the top of sealing drum 16
Outside is fixedly installed togather with the lower inside sealing of instrument room cylinder 6, the lower inside of sealing drum 16 and electronic compartment cylinder 17
Upper outside seals and is fixedly installed togather, and the lower inside of electronic compartment cylinder 17 seals fixing peace with the upper outside of pressure-bearing cylinder 18
Being fitted together, the lower outside of pressure-bearing cylinder 18 is fixedly installed togather with the upper inner sealing of mandrel 7, pressure and temperature one
The top of formula sensor 11 is fixedly mounted on the lower portion of the lower inside of pressure-bearing cylinder 18, pressure and temperature integral sensor 11
In blind hole 8 below pressure-bearing cylinder 18, it is installed with four line rotary connectors 19 in the lower inside of sealing drum 16, at electronics
The upper inner of cabin cylinder 17 is installed with the lower four line rotary connectors 20 coordinated with upper four line rotary connectors 19, and upper four lines rotate
Plug 19 is plugged in together with lower four line rotary connectors 20, down-hole power module 15 and pressure and temperature integral sensor 11
Wire between power input terminal is electrically connected by upper four line rotary connectors 19 and lower four line rotary connectors 20, signal processing mould
Holding wire between block 14 and pressure and temperature integral sensor 11 is by upper four line rotary connectors 19 and lower four line rotary insertions
20 electrical connections.Dismounting is easy in the setting of sealing drum 16, electronic compartment cylinder 17 and pressure-bearing cylinder 18, improves use of the present utility model
Motility.Upper four line rotary connectors 19 and lower four line rotary connectors 20 are existing four public line rotary connectors.
As shown in accompanying drawing 1 to 4, it is installed with between upper outside and the lower inside of instrument room cylinder 6 of sealing drum 16
The sealing ring 21 of at least one, be installed with between the lower inside and the upper outside of electronic compartment cylinder 17 of sealing drum 16 to
Few sealing ring 21 together, is installed with at least between the lower inside and the upper outside of pressure-bearing cylinder 18 of electronic compartment cylinder 17
Sealing ring 21 together.The setting of sealing ring 21 can improve the sealing property between structure, thus prevents the companies of entrance such as liquid
Connect in cylinder, prevent its damage that electronic components etc. are caused.
As shown in accompanying drawing 1 to 4, also including positioning nut 22, location nut 22 is fixedly mounted on above limited ring dais 12
The outside of instrument room cylinder 6;Or/and, between piezoelectric ceramic transducer 13 and signal processing module 14, it is installed with regulation ring
23 and clamp nut 24, regulation ring 23 and clamp nut 24 are distributed with longitudinally through cable-through hole.Location nut 22
Setting can improve the instrument room cylinder 6 fixed stably soundness in sonic transmissions urceolus 2 further.The cables such as holding wire can pass
Cable-through hole.Regulation ring 23 can be easy to the installation of piezoelectric ceramic transducer 13, by clamp nut 24 by piezoelectric ceramic transducer
13 hold out against in instrument room cylinder 6.
As required, seal between inside the lower inside of battery sleeve 4 and the upper end of instrument room cylinder 6 to be installed with and turn
Inserting 25, the wire between battery with down-hole power module 15 is connected, in the lower inside of battery sleeve 4 by changeover plug 25
Sealing ring 21 together with being installed with at least between the upper outside of changeover plug 25, at the lower outside of changeover plug 25
Sealing ring 21 together with being installed with at least between inside the upper end of instrument room cylinder 6.The setting of sealing ring 21 can improve
Sealing property between structure, thus prevent liquid etc. from entering in battery sleeve 4 and instrument room cylinder 6, prevent it from battery, electronics being joined
The damage that part etc. cause.Changeover plug 25 is existing public changeover plug.
As shown in accompanying drawing 1 to 4, limited ring dais 12 circumferentially has at least one longitudinally through upper flowing hole
26, circumferentially there is the radial direction through hole 9 that at least two communicates with blind hole 8 at the middle part of mandrel 7, at adjacent radial direction through hole 9
Between mandrel 7 on be distributed longitudinally through lower flowing hole 27;Or/and, the mandrel 7 outside intercommunicating pore is provided with location
Groove, the inner of jackscrew 10 holds out against in locating slot;Or/and, it is fixed with drawing head 28 in the bottom of mandrel 7;Or/and, at battery
Cylinder 4 top be fixed with centralizer 5, be fixed with the righting wing in the outside of centralizer 5, the outside of the righting wing and stub boring quickly 1 interior
Side is fitted together;Or/and, the outside of mandrel 7 with bore pressure measurement urceolus 3 inner side between be installed with at least together with
Sealing ring 21.The mating reaction of locating slot and jackscrew 10 can improve with boring the pressure measurement urceolus 3 fix tightly soundness to mandrel 7.
Battery sleeve 4 is played the effect of righting by centralizer 5.
Above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger adaptability and optimal enforcement
Effect, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.