CN104612668B - A kind of Directional Drilling profile survey alignment system and method - Google Patents
A kind of Directional Drilling profile survey alignment system and method Download PDFInfo
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- CN104612668B CN104612668B CN201410799923.8A CN201410799923A CN104612668B CN 104612668 B CN104612668 B CN 104612668B CN 201410799923 A CN201410799923 A CN 201410799923A CN 104612668 B CN104612668 B CN 104612668B
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- 238000005553 drilling Methods 0.000 title claims abstract description 294
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000006073 displacement reaction Methods 0.000 claims abstract description 379
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
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Abstract
The invention discloses a kind of Directional Drilling profile survey alignment system and method, methods described includes：The displacement signal of drilling rod is gathered, institute's displacement signal is converted into the first displacement pulse signals, second displacement pulse signal；First displacement pulse signals, second displacement pulse signal are gathered, the bearing data of the drilling rod is obtained according to first displacement pulse signals, the second displacement pulse signal；Recognize the drilling rod head signal of the drilling rod；The displacement coordinate of drilling rod according to first displacement pulse signals, the pulse signal of displacement two, the bearing data of the drilling rod, the drilling rod head signal of change；In this way, the 3-D view of directional drill hole section can be obtained according to the drilling rod displacement coordinate for getting, the success rate that directional drilling pipeline is passed through is improved.
Description
Technical field
The present invention relates to oil exploration technology field, more particularly to a kind of Directional Drilling profile sampling towed system and method.
Background technology
In recent years, the caliber of directional drilling crossing is increasing in petroleum pipeline construction, passes through geology and becomes increasingly complex, and applies
The technical barrier occurred in work is also more and more.To ensure that pipeline returns the smooth implementation dragged, in the urgent need to measurement directional drill hole
The shape of section, for monitoring the hole quality of Directional Drilling.But do not have effective technological means at present and obtain directional drill hole
The 3-D view of section.
The content of the invention
For prior art exist problem, the embodiment of the invention provides a kind of Directional Drilling profile survey alignment system and
Method.
The invention provides a kind of Directional Drilling profile survey alignment system, the system includes：
Displacement signal acquisition unit, the displacement signal acquisition unit is used to gather the displacement signal of drilling rod, by institute's rheme
Shifting signal is converted to the first displacement pulse signals, second displacement pulse signal；
First recognition unit, first recognition unit is used to gather first displacement pulse signals, second displacement arteries and veins
Signal is rushed, the bearing data of the drilling rod is obtained according to first displacement pulse signals, the second displacement pulse signal；
Second recognition unit, second recognition unit is used to recognize the drilling rod head signal of the drilling rod；
Displacement location unit, the displacement location unit is used for according to first displacement pulse signals, the second
Move pulse signal, the bearing data of the drilling rod, the displacement coordinate of drilling rod described in the drilling rod head signal of change.
In such scheme, the alignment system also includes：
Clock unit, the clock unit is connected with the displacement location unit, and the drilling rod displacement is calculated for recording
The time of coordinate, and the record time is sent to the displacement location unit.
In such scheme, the system also includes：
Memory cell, the memory cell is connected with the displacement location unit, for according to the storage lattice for pre-setting
The displacement coordinate of time and the drilling rod is recorded described in formula real-time storage；
Display unit, the display unit is connected with the displacement location unit, for being sat according to the displacement of the drilling rod
Mark shows the displacement of the drilling rod in real time.
In such scheme, the displacement signal acquisition unit specifically for：The displacement is believed by outer coding unit
Number be converted to the first displacement pulse signals, second displacement pulse signal.
In such scheme, first recognition unit specifically for：To first displacement pulse signals, the second
Moving pulse signal carries out partial pressure, sensing treatment, obtains the bearing data of the drilling rod；Wherein,
When the drilling rod advances, the first displacement pulse signals phase is prior to the second displacement pulse signal phase
Position；
When the drilling rod is retreated, the second displacement pulse signal phase is prior to the first displacement pulse signals phase
Position.
In the system also includes in such scheme：First probe unit and the second probe unit；Wherein；
The displacement signal acquisition unit is additionally operable to：
First being sent to first probe unit and recognizing signal, first probe unit is according to the described first identification letter
Number generation first voltage signal；Or,
Second being sent to second probe unit and recognizing signal, first probe unit is according to the described second identification letter
Number generation second voltage signal；
Second recognition unit determines the drilling rod head for drilling rod microcephaly according to the first voltage signal, described second
Recognition unit determines that the drilling rod head is drilling rod major part according to the second voltage signal.
In such scheme, the first voltage signal is not more than the second voltage signal；
The walking error of the drilling rod major part is ERR0, and the walking error of the drilling rod microcephaly is ERR1.
In such scheme, the displacement location unit specifically for：
Within the default time, the first number of first displacement pulse signals of the drilling rod under forward travel state is recorded
Amount N1, records the second quantity N2 of the second displacement pulse signal of the drilling rod under fallback state；
The displacement data of the drilling rod is calculated according to formula S=N1-N2-ERR0-ERR1；
Bearing data according to the drilling rod determines the direction of displacement of the drilling rod；
The displacement coordinate of the drilling rod is determined according to the displacement data, the direction of displacement；Wherein,
One distance of 1 centimetre of displacement pulse signals correspondence.
Also a kind of Directional Drilling profile survey localization method of the present invention, methods described includes：
The displacement signal of drilling rod is gathered, institute's displacement signal is converted into the first displacement pulse signals, second displacement pulse
Signal；
First displacement pulse signals, second displacement pulse signal are gathered, according to first displacement pulse signals, institute
State the bearing data that second displacement pulse signal obtains the drilling rod；
Recognize the drilling rod head signal of the drilling rod；
According to first displacement pulse signals, the second displacement pulse signal, the bearing data of the drilling rod, described
The displacement coordinate of drilling rod described in drilling rod head signal of change.
In such scheme, methods described also includes：Record calculates the time of the drilling rod displacement coordinate, and by the record
Time is sent to the displacement location unit.
In such scheme, methods described also includes：The time is recorded according to the storage format real-time storage for pre-setting
And the displacement coordinate of the drilling rod；
Displacement coordinate according to the drilling rod shows the displacement of the drilling rod in real time.
It is described according to first displacement pulse signals, the second displacement pulse signal are obtained in such scheme
The bearing data of drilling rod includes：
Partial pressure, sensing treatment are carried out to first displacement pulse signals, the second displacement pulse signal, obtains described
The bearing data of the first displacement pulse signals, the second displacement pulse signal；Wherein,
When the drilling rod advances, first displacement pulse signals are prior to the second displacement pulse signal；
When the drilling rod is retreated, the second displacement pulse signal is prior to first displacement pulse signals.
In such scheme, the drilling rod head signal of the identification drilling rod includes：
Send first and recognize signal, according to the described first identification signal generation first voltage signal；Or,
Send second and recognize signal, according to the described second identification signal generation second voltage signal；
Determine that the drilling rod head, for drilling rod microcephaly, determines according to the second voltage signal according to the first voltage signal
The drilling rod head is drilling rod major part.
In such scheme, the first voltage signal is not more than the second voltage signal；
The walking error of the drilling rod major part is ERR0, and the walking error of the drilling rod microcephaly is ERR1.
In such scheme, according to first displacement pulse signals, the second displacement pulse signal, the drilling rod side
Include to data, the displacement coordinate of drilling rod described in the drilling rod head signal of change：
Within the default time, the first number of first displacement pulse signals of the drilling rod under forward travel state is recorded
Amount N1, records the second quantity N2 of the second displacement pulse signal of the drilling rod under fallback state；
The displacement data of the drilling rod is calculated according to formula S=N1-N2-ERR0-ERR1；
Bearing data according to the drilling rod determines the direction of displacement of the drilling rod；
The displacement coordinate of the drilling rod is determined according to the displacement data, the direction of displacement；Wherein,
One distance of 1 centimetre of displacement pulse signals correspondence.
The invention provides Directional Drilling profile sampling towed system and method, the displacement signal of the drilling rod is gathered, by institute's rheme
Shifting signal is converted to the first displacement pulse signals, second displacement pulse signal；Gather first displacement pulse signals, second
Pulse signal is moved, the direction number of the drilling rod is obtained according to first displacement pulse signals, the second displacement pulse signal
According to；Recognize the drilling rod head signal of the drilling rod；According to first displacement pulse signals, the second displacement pulse signal, institute
State bearing data, the displacement coordinate of drilling rod described in the drilling rod head signal of change of drilling rod；In this way, in oil exploration, drilling rod
Drilling displacement measurement accuracy can reach 0.1 meter, and can obtain directional drill hole section according to the drilling rod displacement coordinate for getting
3-D view, improve the success rate that directional drilling pipeline is passed through.
Brief description of the drawings
Fig. 1 is the Directional Drilling profile survey alignment system overall structure diagram that the embodiment of the present invention one is provided；
Fig. 2 is the circuit diagram of the first recognition unit that the embodiment of the present invention one is provided；
Fig. 3 is the circuit diagram of the second recognition unit that the embodiment of the present invention one is provided；
Fig. 4 is the circuit diagram of the first contact that the embodiment of the present invention one is provided；
Fig. 5 is the circuit diagram that the embodiment of the present invention one provides Section Point；
Fig. 6 is the circuit diagram of the memory cell that the embodiment of the present invention one is provided；
Fig. 7 is the circuit diagram of the 3rd tie point that the embodiment of the present invention one is provided；
Fig. 8 is the circuit diagram of the control chip C8051F310 that the embodiment of the present invention one is provided；
Fig. 9 is the circuit connection diagram of common cathode four segment numeral pipe Q1, Q2, Q3, Q4 that the embodiment of the present invention one is provided；
Figure 10 is the circuit diagram of the driving chip HC595 that the embodiment of the present invention one is provided；
Figure 11 is the offer of the embodiment of the present invention two to brill profile survey localization method schematic flow sheet.
Specific embodiment
In various embodiments of the present invention, in order to improve the success rate that directional drilling pipeline is passed through, after orientation drilled as holes
Hole section shape carries out accurate measurement, and the invention provides a kind of Directional Drilling profile survey alignment system and method, collection is bored
The displacement signal of bar, the first displacement pulse signals, second displacement pulse signal are converted to by institute's displacement signal；Gather described
One displacement pulse signals, second displacement pulse signal, according to first displacement pulse signals, the second displacement pulse signal
Obtain the bearing data of the drilling rod；Recognize the drilling rod head signal of the drilling rod；According to first displacement pulse signals, described
The displacement coordinate of second displacement pulse signal, the bearing data of the drilling rod, drilling rod described in the drilling rod head signal of change.
Technical scheme is described in further detail below by drawings and the specific embodiments.
Embodiment one
The present embodiment provides a kind of Directional Drilling profile survey alignment system, as shown in figure 1, the system includes：Displacement is believed
Number collecting unit 11, the first recognition unit 12, the second recognition unit 13, displacement location unit 14；Wherein,
The displacement signal acquisition unit 11 is used to gather the displacement signal of drilling rod, and institute's displacement signal is converted into first
Displacement pulse signals A, second displacement pulse signal B；
First recognition unit 12 is used to gather the first displacement pulse signals A, second displacement pulse signal B, root
The bearing data of the drilling rod is obtained according to the first displacement pulse signals A, the second displacement pulse signal B；
Second recognition unit 13 is used to recognize the drilling rod head signal of the drilling rod；Wherein, the drilling rod head includes：Bore
Bar major part and drilling rod microcephaly.
The displacement location unit 14 is used for according to the first displacement pulse signals A, the second displacement pulse signal
The displacement coordinate of B, the bearing data of the drilling rod, drilling rod described in the drilling rod head signal of change.
Specifically, the system also includes：Outer coding unit 15；The displacement signal acquisition unit 11 and the outside
Coding unit 15 is connected, and when the Directional Drilling works, the displacement signal acquisition unit 11 gathers the Directional Drilling drilling rod
Displacement signal, the first displacement pulse signals A, second displacement pulse are converted to by outer coding unit 15 by institute's displacement signal
Signal B；Wherein, institute's displacement signal is standard current signal；The first displacement pulse signals A, second displacement pulse signal B
It is data signal, and the first shifting pulse signal A and second displacement pulse signal B differs the difference of 180 degree for phase
Signal.
When institute's displacement signal is converted to the first displacement pulse signals A, second by the displacement signal acquisition unit 11
Move pulse signal B when, first recognition unit 12 specifically for：To the first displacement pulse signals A, the second displacement
Pulse signal B carries out partial pressure, sensing treatment, obtains the bearing data of institute's drilling rod.Wherein, when the drilling rod advances, described
One displacement pulse signals A phases are prior to the second displacement pulse signal B-phase；When the drilling rod is retreated, the second
Pulse signal B-phase is moved prior to the first displacement pulse signals A phases.
Specifically, first recognition unit 12 circuit diagram as shown in Fig. 2 including：First resistor R1, second resistance
R2,3rd resistor R3, the 4th resistance R4, the first not gate U1, first and door U2, second and door U3；Wherein, the first resistor R1
For carrying out partial pressure to the first displacement pulse signals A, the first displacement pulse signals A is adjusted to 3.3V or so.Together
Sample ground, the second resistance R2 is used to carry out partial pressure to the second displacement pulse signal B, by the second displacement pulse signal
B is adjusted to 3.3V or so.
Then, the sensing circuit for constituting through the first not gate U1, first and door U2 and second and door U3 is to described the
One displacement pulse signals A, second displacement pulse signal B carry out sensing treatment, the bearing data of the drilling rod are obtained, by the brill
The bearing data of bar is sent to the displacement location unit 14, so that the displacement location unit 14 is true according to the bearing data
The direction of displacement of the fixed drilling rod.
Specifically, when the drilling rod advances, the sensing circuit is according to the first displacement pulse signals A and described
Two displacement pulse signals B export the 3rd pulse signal P1.When the drilling rod is retreated, the sensing circuit is according to described first
Move the pulse signal A and second displacement pulse signal B and export the 4th pulse signal P2.The 3rd pulse signal P1 and described
4th pulse signal P2 is the bearing data of the drilling rod.
Meanwhile, the sensing circuit exports the 7th pulse signal F1 for representing the distance advanced simultaneously；Represent retreat away from
From the 8th pulse signal F2.
In practical application, the first not gate U1 can be realized by 74LV04 chips, described first with door U2 and described the
Two can be realized with door U3 by HC08 chips.
Here, the 3rd resistor R3 and the 4th resistance R4 is used for protection circuit, the first resistor R1, second resistance R2
Resistance can be 4.7K, the 3rd resistor R3, the 4th resistance R4 resistance be 4.7K.
Here, the system also includes：First probe unit 16, the second probe unit 17；Wherein, institute's displacement signal is adopted
Collection unit 11 is additionally operable to：
First being sent to first probe unit 16 and recognizing signal, first probe unit 16 is known according to described first
Level signal generates first voltage signal；Or,
Second being sent to second probe unit 17 and recognizing signal, first probe unit 16 is known according to described second
Level signal generates second voltage signal；
When first probe unit 16 is according to the described first identification signal generation first voltage signal, first detection
Unit 16 according to described second identification signal generation second voltage signal when, second recognition unit 13 specifically for：According to
The first voltage signal determines that the drilling rod head, for drilling rod microcephaly, determines that the drilling rod head is according to the second voltage signal
Drilling rod major part.
Specifically, because the displacement signal acquisition unit 11 is fixed on the drilling rod by guide tracked Spring loaded arms,
When the displacement signal acquisition unit 11 is walked in the drill rod body, the guide tracked Spring loaded arms are in first
Put, because the position height of the drilling rod microcephaly is higher than the body of rod, when the displacement signal acquisition unit 11 is by drilling rod microcephaly,
The displacement signal acquisition unit 11 can drive guide tracked Spring loaded arms to reach the second place, and now, institute's displacement signal is adopted
Collection unit 11 sends first and recognizes signal to first probe unit 16, and first probe unit 16 is known according to described first
Level signal generates first voltage signal；And send to second recognition unit 13 the first voltage signal.Wherein, it is described
Height of the height of the second place more than the first position.
When the displacement signal acquisition unit 11 is by drilling rod major part, because the drilling rod major part is with diameter greater than drilling rod
The body of rod and the diameter of the drilling rod microcephaly, now, the displacement signal acquisition unit 11 can drive guide tracked Spring loaded arms to arrive
Up to the 3rd position, the displacement signal acquisition unit 11 sends second and recognizes signal to second probe unit 17, and described the
Two probe units 17 are according to the described second identification signal generation second voltage signal；And send to institute the second voltage signal
State the second recognition unit 13.Wherein, the height of the 3rd position is more than the height of the second place, the first voltage letter
Number and the second voltage signal be low frequency signal；The first voltage signal is not more than the second voltage signal；The brill
The walking error of bar major part is ERR0, and the walking error of the drilling rod microcephaly is ERR1, and the walking error can be measured in advance
Demarcate.
When the walking error that second recognition unit 13 gets the drilling rod major part is ERR0, the drilling rod microcephaly's
To be ERR0 by the walking error of the drilling rod major part after ERR1, the walking error of the drilling rod microcephaly is ERR1 to walking error
Send to the displacement location unit 14, during so that the displacement location unit 14 determining the displacement coordinate of the drilling rod, by institute
The walking error for stating drilling rod major part is the walking error of ERR0 or described drilling rod microcephalies for ERR1 enters as fixed error to data
Row amendment, improves positioning precision.
Here, second recognition unit 13 circuit diagram as shown in figure 3, including：Second not gate U4, the 3rd not gate U5,
3rd with door U6, first threshold decision circuit U7 and Second Threshold decision circuit U8；
When second recognition unit 13 receives the first voltage signal that first probe unit 16 sends, through the
When one threshold decision circuit U7 judges that the first voltage signal exceeds default voltage threshold, by first voltage signal warp
The circuit of the second not gate U4, the 3rd and door the U6 composition is processed the first voltage signal so that first electricity
Press the waveform rising edge of signal more precipitous, more similar and square wave, and then reduce the error caused by the rise time is long.Output the
Five pulse signal P3, the 5th pulse signal P3 represent drilling rod major part.
Similarly, when second recognition unit 13 receives the second voltage signal that second probe unit 17 sends
When, when judging that the second voltage signal is less than default voltage threshold through Second Threshold decision circuit U8, by the described second electricity
Pressure signal is processed the second voltage signal through the 3rd not gate U5 and the 3rd and door U6 so that the second voltage
The waveform rising edge of signal is more precipitous, more similar and square wave, and then reduces the error caused by the rise time is long.Export the 6th
Pulse signal P4, the 6th pulse signal P4 represent drilling rod microcephaly.
During practical application, the second not gate U4, the 3rd not gate U5 can be realized by SN7414N chips, the described 3rd with
Door U6 can be realized by HC08 chips.
When getting the walking error of the drilling rod major part for ERR0, the walking error of the drilling rod microcephaly for after ERR1,
The displacement location unit 14 specifically for：
Within the default time, the first quantity of first displacement pulse signals of the drilling rod under forward travel state is recorded
N1, records the second quantity N2 of second displacement pulse signal of the drilling rod under fallback state；According to formula (1) is calculated
The displacement data of drilling rod, wherein, a distance for 1 centimetre of displacement pulse signals correspondence.
S=N1-N2-ERR0-ERR1 (1)
Such as, in 10 minutes, N1 under forward travel state is 1000, and the N2 under fallback state is 100, drilling rod respectively through
Drilling rod major part 1 time, microcephaly 1 time then obtains corresponding apart from S first0=(1000-100)=900 centimetre, this distance includes
Walking error of the walking on curved surface during by drilling rod major part and microcephaly, walking error is demarcated as ERR0 by measurement in advance,
ERR1, then actual travel distance S=S0-ERR0-ERR0。
Further, the displacement location unit 14 determines the displacement side of the drilling rod according to the bearing data of the drilling rod
To；The displacement coordinate of the drilling rod is determined according to the displacement data, the direction of displacement.
Here, the alignment system also includes：Clock unit 18, memory cell 19, display unit 20 and power supply unit 21；
Wherein,
The clock unit 18 is connected with the displacement location unit 14, and for clock timing, record calculates the drilling rod
The time data of displacement coordinate, and the record time is sent to the displacement location unit 14.
The memory cell 19 is connected with the displacement location unit 14, for real-time according to the storage format for pre-setting
Store the displacement data of the record time and the drilling rod.
Specifically, the clock unit 18 can be realized that the displacement location unit 14 passes through by clock chip DS1302
First contact JP1 is connected with the second contact JP2 of the clock unit 18.Wherein, the circuit diagram of the first contact JP1 is as schemed
Shown in 4, the circuit diagram of the second contact JP2 is as shown in Figure 5.
The displacement location unit 14 reads the chronometric data of clock unit 18 by monobus DS1302_IO.Wherein,
DS1302_SCSK and DS1302_RST is controlling switch.
The memory cell 19 can realize that the memory cell 19 passes through by storage card (SD, Secure Digital)
Serial Peripheral Interface (SPI) (SPI, Serial Peripheral Interface) is connected with the displacement location unit 14, by institute
The control command that SPI interface receives the displacement location unit 14 transmission is stated, according to the control command to the data that receive
Storage control is carried out, storage format is the data form for pre-defining, including record time and the rod boring displacement for recording
Data.Wherein, the controlling switch of the memory cell 19 is respectively：SDOUT, SDSCK, SDDIN and SDCS；The SDOUT is
Control SD card data output；The SDSCK is the system clock for controlling SD card；The SDDIN is SD card data input；It is described
SDCS is control SD card gating.The circuit diagram of the memory cell 19 is as shown in Figure 6.
The storage format can be realized according to sequence number, time and drilling distance, such as, in 32 points of September 16 day in 2014
A data are have recorded within 48 seconds, drilling distance is 23cm, then storage format can be as shown in table 1.
The storage format of the memory cell 19 of table 1
| Sequence number | Time | Drilling distance (cm) |
| 1 | 20140901163248 | 23 |
Wherein, multirow data can be included in table 1, the interval between each row of data could be arranged to 8 characters, be .txt
File.
The display unit 20 is connected with the displacement location unit 14, and the brill is shared with the displacement location unit 14
The displacement data of bar, direction of displacement；Displacement for showing the drilling rod in real time according to the displacement coordinate of the drilling rod.
Specifically, the display unit 20 passes through the first tie point JP1, the 3rd tie point JP3 and the displacement location list
Unit 14 connects, the display unit 20 can by control chip C8051F310, four segment numeral pipe Q1 of common cathode four, Q2, Q3,
Q4 shows displacement data in real time.Wherein, the circuit diagram of the 3rd tie point JP3 is as shown in Figure 7；The control chip
The circuit diagram of C8051F310 is as shown in figure 8, circuit connection diagram such as Fig. 9 institutes of the common cathode four segment numeral pipe Q1, Q2, Q3, Q4
Show.The control chip C8051F310 passes through the 4th tie point JP4 and the common cathode four segment numeral pipe Q1, Q2, Q3, Q4
5th tie point JP5 is connected.
After the control chip C8051F310 gets the 7th pulse signal F1 and the 8th pulse signal F2, by pin
The opening of LED_SW1, LED_SW2, LED_SW3, LED_SW4 control Q1, Q2, Q3, Q4 charactron and shut-off, control corresponding respectively
The position choosing of Digital sum pipe, is shown displacement data in real time.Described charactron Q1, Q2, Q3, Q4 can be by metal-oxide-semiconductor BSS123 realities
It is existing.
The driving chip of described charactron Q1, Q2, Q3, Q4 is HC595, and the control chip C8051F310 passes through
HC595_SH, HC595_ST, HC595_DS pin are controlled to driving chip HC595, and each charactron respective field is entered
Row drives.Wherein, the circuit diagram of the driving chip HC595 of the control chip is as shown in Figure 10.
Here, said supply unit 21 is used for second described in the displacement location unit 14, the machine of the display unit 20
Recognition unit 13 is powered.Said supply unit 21 can be realized by lithium battery.
In practical application, the displacement location unit 14 can be realized by single-chip microcomputer C8051F340.
The Directional Drilling profile survey alignment system that the present embodiment is provided realizes the real-time note that horizontal directional drill creeps into distance
Record, for large aperture directional drill hole section profile detection provides reliable drilling direction coordinate setting.Demonstrate,proved by industrial performance test
Bright, the Directional Drilling profile survey alignment system that the present embodiment is provided is applied in the directional drill hole section profile detection of large aperture,
Meet examination criteria requirement, it is possible to achieve automatic data collection is unattended, and drilling range measurement is accurate, it is fixed to can be widely applied to
To in Drilling for Pipeline Crossing drilling distance parameter detection work.
Embodiment two
Corresponding to embodiment one, the present invention also provides a kind of Directional Drilling profile survey localization method, as shown in figure 11, described
Method is mainly included the following steps that：
Step 1110, gathers the displacement signal of the drilling rod, and institute's displacement signal is converted into the first displacement pulse signals
A, second displacement pulse signal B；
In this step, the displacement signal of the drilling rod is gathered by displacement signal acquisition unit, institute's displacement signal is turned
It is changed to the first displacement pulse signals A, second displacement pulse signal B；
Specifically, the displacement signal acquisition unit is connected with the outer coding unit, when the Directional Drilling works,
The displacement signal acquisition unit gathers the displacement signal of the Directional Drilling drilling rod, is believed the displacement by outer coding unit
Number be converted to the first displacement pulse signals A, second displacement pulse signal B；Wherein, institute's displacement signal is standard current signal；
The first displacement pulse signals A, second displacement pulse signal B are data signal, and the first dfisplacement pulse a-signal and institute
State the differential signal that second displacement pulse signal B signal differs 180 degree for phase.
Step 1111, gathers the first displacement pulse signals A, second displacement pulse signal B, according to first displacement
Pulse signal A, the second displacement pulse signal B obtain the bearing data of the drilling rod；
In this step, when the displacement signal acquisition unit by institute's displacement signal be converted to the first displacement pulse signals A,
During second displacement pulse signal B, by the first recognition unit 12 pairs of the first displacement pulse signals A, the second displacement arteries and veins
Rushing signal B carries out partial pressure, sensing treatment, obtains the bearing data of the drilling rod.Wherein, when the drilling rod advances, described
One displacement pulse signals A phases are prior to the second displacement pulse signal B-phase；When the drilling rod is retreated, the second
Pulse signal B-phase is moved prior to the first displacement pulse signals A phases.
Specifically, first recognition unit circuit diagram as shown in Fig. 2 including：First resistor R1, second resistance R2,
3rd resistor R3, the 4th resistance R4, the first not gate U1, first and door U2, second and door U3；Wherein, by the first resistor
R1 carries out partial pressure to the first displacement pulse signals A, the first displacement pulse signals A is adjusted to 3.3V or so.Equally
Ground, carries out partial pressure, by the second displacement pulse signal B by the second resistance R2 to the second displacement pulse signal B
Adjust to 3.3V or so.
Then, the sensing circuit for constituting through the first not gate U1, first and door U2 and second and door U3 is to described the
One displacement pulse signals A, second displacement pulse signal B carry out sensing treatment, the bearing data of the drilling rod are obtained, by the brill
The bearing data of bar is sent to the displacement location unit, so that the displacement location unit determines institute according to the bearing data
State the direction of displacement of drilling rod.
Specifically, when the drilling rod advances, the sensing circuit is according to the first displacement pulse signals A and described
Two displacement pulse signals B export the 3rd pulse signal P1.When the drilling rod is retreated, the sensing circuit is according to described first
Move the pulse signal A and second displacement pulse signal B and export the 4th pulse signal P2.The 3rd pulse signal P1 and described
4th pulse signal P2 is the bearing data of the drilling rod.
Meanwhile, the sensing circuit exports the 7th pulse signal F1 for representing the distance advanced simultaneously；Represent retreat away from
From the 8th pulse signal F2.
In practical application, the first not gate U1 can be realized by 74LV04 chips, described first with door U2 and described the
Two can be realized with door U3 by HC08 chips.
Here, the 3rd resistor R3 and the 4th resistance R4 is used for protection circuit, the first resistor R1, second resistance R2
Resistance can be 4.7K, the 3rd resistor R3, the 4th resistance R4 resistance be 4.7K.
Step 1112, recognizes the drilling rod head signal of the drilling rod；
In this step, send first to the first probe unit by the displacement signal acquisition unit and recognize signal, it is described
First probe unit is according to the described first identification signal generation first voltage signal；Or,
Second being sent to the second probe unit and recognizing signal, first probe unit is according to the described second identification signal life
Into second voltage signal；
When first probe unit is according to the described first identification signal generation first voltage signal, first detection is single
When unit is according to the described second identification signal generation second voltage signal, second recognition unit is used for：According to the described first electricity
Pressure signal determines the drilling rod head for drilling rod microcephaly, determines that the drilling rod head is drilling rod major part according to the second voltage signal.
Specifically, because the displacement signal acquisition unit is fixed on the drilling rod by guide tracked Spring loaded arms, when
When the displacement signal acquisition unit walking is in the drill rod body, the guide tracked Spring loaded arms are in first position,
It is described when the displacement signal acquisition unit is by drilling rod microcephaly because the position height of the drilling rod microcephaly is higher than the body of rod
Displacement signal acquisition unit can drive guide tracked Spring loaded arms to reach the second place, now, the displacement signal acquisition unit
First being sent to first probe unit and recognizing signal, first probe unit is according to the described first identification signal generation the
One voltage signal；And send to second recognition unit first voltage signal.Wherein, the height of the second place
More than the height of the first position.
When the displacement signal acquisition unit is by drilling rod major part, because the drilling rod major part is with diameter greater than drilling rod bar
Body and the diameter of the drilling rod microcephaly, now, the displacement signal acquisition unit can drive guide tracked Spring loaded arms to reach the
Three positions, the displacement signal acquisition unit sends second and recognizes signal to second probe unit, and second detection is single
Unit is according to the described second identification signal generation second voltage signal；And send to the described second identification the second voltage signal
Unit.Wherein, the height of the 3rd position is more than the height of the second place, the first voltage signal and described second
Voltage signal is low frequency signal；The first voltage signal is not more than the second voltage signal；The walking of the drilling rod major part
Error is ERR0, and the walking error of the drilling rod microcephaly is ERR1, and the walking error can in advance measure demarcation.
When the walking error that second recognition unit gets the drilling rod major part is ERR0, the row of the drilling rod microcephaly
Error is walked to be ERR0 by the walking error of the drilling rod major part after ERR1, the walking error of the drilling rod microcephaly is ERR1 hairs
The displacement location unit is delivered to, during so that the displacement location unit determining the displacement coordinate of the drilling rod, by the drilling rod
The walking error of major part is modified for ERR1 as fixed error for the walking error of ERR0 or described drilling rod microcephalies to data,
Improve positioning precision.
Here, second recognition unit circuit diagram as shown in figure 3, including：Second not gate U4, the 3rd not gate U5,
Three with door U6, first threshold decision circuit U7 and Second Threshold decision circuit U8；
When second recognition unit receives the first voltage signal that first probe unit sends, through the first threshold
When value decision circuit U7 judges that the first voltage signal exceeds default voltage threshold, by the first voltage signal through described
The circuit of the second not gate U4, the 3rd and door U6 compositions is processed the first voltage signal so that the first voltage letter
Number waveform rising edge it is more precipitous, more similar and square wave, so reduce caused by the rise time is long error.Export the 5th arteries and veins
Rush signal P3, the 5th pulse signal P3 and represent drilling rod major part.
Similarly, when second recognition unit receives the second voltage signal that second probe unit sends,
When judging that the second voltage signal is less than default voltage threshold through Second Threshold decision circuit U8, by second voltage letter
Number the second voltage signal is processed through the 3rd not gate U5 and the 3rd and door U6 so that the second voltage signal
Waveform rising edge it is more precipitous, more similar and square wave, so reduce caused by the rise time is long error.Export the 6th pulse
Signal P4, the 6th pulse signal P4 represent drilling rod microcephaly.
During practical application, the second not gate U4, the 3rd not gate U5 can be realized by SN7414N chips, the described 3rd with
Door U6 can be realized by HC08 chips.
Step 1113, according to first displacement pulse signals, the second displacement pulse signal, the drilling rod direction
The displacement coordinate of data, drilling rod described in the drilling rod head signal of change.
In this step, when the walking error that the displacement location unit gets the drilling rod major part is ERR0, the brill
The walking error of bar microcephaly be ERR1 after, the displacement location unit specifically for：
Within the default time, the first quantity of first displacement pulse signals of the drilling rod under forward travel state is recorded
N1, records the second quantity N2 of second displacement pulse signal of the drilling rod under fallback state；According to formula (1) is calculated
The displacement data of drilling rod, wherein, a distance for 1 centimetre of displacement pulse signals correspondence.
S=N1-N2-ERR0-ERR1 (1)
Such as, in 10 minutes, the N1 under drilling rod forward travel state is 1000, and the N2 under fallback state is 100, drilling rod difference
By drilling rod major part 1 time, microcephaly 1 time then obtains corresponding apart from S first0=(1000-100)=900 centimetre, in this distance
Walking error of the walking on curved surface during including by drilling rod major part and microcephaly, walking error is demarcated as by measurement in advance
ERR0, ERR1, then actual travel distance S=S0-ERR0-ERR0。
Further, the displacement location unit determines the displacement side of the drilling rod according to the bearing data of the drilling rod
To；The displacement coordinate of the drilling rod is determined according to the displacement data, the direction of displacement.
Here, when the shifting positioning unit determines the displacement of the drilling rod according to the displacement data, the direction of displacement
After coordinate, methods described also includes：Record calculates the time of the drilling rod displacement coordinate, and the record time is sent to institute
Rheme moves positioning unit.The displacement that time and the drilling rod are recorded according to the storage format real-time storage for pre-setting is sat
Mark, the displacement coordinate according to the drilling rod shows the displacement of the drilling rod in real time.
Specifically, the time for calculating the drilling rod displacement coordinate is recorded by clock unit, the clock unit with it is described
Displacement location unit is connected, and for clock timing, record calculates the time data of the drilling rod displacement coordinate, and by the record
Time is sent to the displacement location unit.
By recording the displacement coordinate of time and the drilling rod, the memory cell and institute described in memory cell real-time storage
Rheme moves positioning unit connection, for the record time according to the storage format real-time storage that pre-sets and the drilling rod
Displacement data.
Specifically, the clock unit can be realized that the displacement location unit passes through first by clock chip DS1302
Contact JP1 is connected with the second contact JP2 of the clock unit.Wherein, the first node JP1 circuit diagram as shown in figure 4,
The circuit diagram of the second contact JP2 is as shown in Figure 5.
The displacement location unit reads the chronometric data of clock unit by monobus DS1302_IO.Wherein,
DS1302_SCSK and DS1302_RST is controlling switch.
The memory cell can be realized that the memory cell is fixed with the displacement by SPI interface by storage card SD card
Bit location 14 is connected, and the control command that the displacement location unit is transmitted is received by the SPI interface, is ordered according to the control
Making the data to receiving carries out storage control, and storage format is the data form for pre-defining, including record time and note
The rod boring displacement data of record.Wherein, the controlling switch of the memory cell is respectively：SDOUT, SDSCK, SDDIN and
SDCS；The SDOUT is control SD card data output；The SDSCK is the system clock for controlling SD card；The SDDIN is SD
Card data input；The SDCS is control SD card gating.The circuit diagram of the memory cell is as shown in Figure 6.
The storage format can be realized according to sequence number, time and drilling distance, such as, in 32 points of September 16 day in 2014
A data are have recorded within 48 seconds, drilling distance is 23cm, then storage format can be as shown in table 1.
The storage format of the memory cell of table 1
| Sequence number | Time | Drilling distance (cm) |
| 1 | 20140901163248 | 23 |
Wherein, multirow data can be included in table 1, the interval between each row of data could be arranged to 8 characters, be .txt
File.
After the displacement location unit calculates the displacement coordinate of the drilling rod, the drilling rod is shown by display unit
Displacement.
Specifically, the display unit passes through the first tie point JP1, the 3rd tie point JP3 and the displacement location unit
Connection, the displacement data of the drilling rod, direction of displacement are shared with the displacement location unit；For the displacement according to the drilling rod
Coordinate shows the displacement of the drilling rod in real time.
Here, the display unit can by control chip C8051F310, four segment numeral pipe Q1 of common cathode four, Q2,
Q3, Q4 show the displacement data of drilling rod wherein in real time, and the circuit diagram of the 3rd tie point JP3 is as shown in Figure 7；The control core
The circuit diagram of piece C8051F310 is as shown in figure 8, circuit connection diagram such as Fig. 9 of the common cathode four segment numeral pipe Q1, Q2, Q3, Q4
It is shown.The control chip C8051F310 passes through the 4th tie point JP4 and the common cathode four segment numeral pipe Q1, Q2, Q3, Q4
The 5th tie point JP5 connection.
After the control chip C8051F310 gets the 7th pulse signal F1 and the 8th pulse signal F2, by pin
The opening of LED_SW1, LED_SW2, LED_SW3, LED_SW4 control Q1, Q2, Q3, Q4 charactron and shut-off, control corresponding respectively
The position choosing of Digital sum pipe, is shown displacement data in real time.Described charactron Q1, Q2, Q3, Q4 can be by metal-oxide-semiconductor BSS123 realities
It is existing.
Here, the driving chip of described charactron Q1, Q2, Q3, Q4 is HC595, and the control chip C8051F310 passes through
HC595_SH, HC595_ST, HC595_DS pin are controlled to driving chip HC595, and each charactron respective field is entered
Row drives.
Wherein, the displacement location unit, the display unit, second recognition unit are powered by power supply unit.Institute
Stating power supply unit can be realized by lithium battery.
In practical application, the displacement location unit can be realized by single-chip microcomputer C8051F340.
The above, only presently preferred embodiments of the present invention is not intended to limit the scope of the present invention, it is all
Any modification, equivalent and improvement for being made within the spirit and principles in the present invention etc., should be included in protection of the invention
Within the scope of.
Claims (15)
1. a kind of Directional Drilling profile survey alignment system, it is characterised in that the system includes：
Displacement signal acquisition unit, the displacement signal acquisition unit is used to gather the displacement signal of drilling rod, by displacement letter
Number be converted to the first displacement pulse signals, second displacement pulse signal；
First recognition unit, first recognition unit is used to gather first displacement pulse signals, second displacement pulse letter
Number, the bearing data of the drilling rod is obtained according to first displacement pulse signals, the second displacement pulse signal；
Second recognition unit, second recognition unit is used to recognize the drilling rod head signal of the drilling rod；
Displacement location unit, the displacement location unit is used for according to first displacement pulse signals, the second displacement arteries and veins
Rush signal, the bearing data of the drilling rod, the displacement coordinate of drilling rod described in the drilling rod head signal of change.
2. alignment system as claimed in claim 1, it is characterised in that the alignment system also includes：
Clock unit, the clock unit is connected with the displacement location unit, and the drilling rod displacement coordinate is calculated for recording
Time, and the record time is sent to the displacement location unit.
3. alignment system as claimed in claim 2, it is characterised in that the system also includes：
Memory cell, the memory cell is connected with the displacement location unit, for according to the storage format reality for pre-setting
When store the displacement coordinate of the record time and the drilling rod；
Display unit, the display unit is connected with the displacement location unit, for the displacement coordinate reality according to the drilling rod
When show the displacement of the drilling rod.
4. alignment system as claimed in claim 1, it is characterised in that the displacement signal acquisition unit specifically for：Pass through
Institute's displacement signal is converted to the first displacement pulse signals, second displacement pulse signal by outer coding unit.
5. alignment system as claimed in claim 1, it is characterised in that first recognition unit specifically for：To described
One displacement pulse signals, the second displacement pulse signal carry out partial pressure, sensing treatment, obtain the bearing data of the drilling rod；
Wherein,
When the drilling rod advances, the first displacement pulse signals phase is prior to the second displacement pulse signal phase；
When the drilling rod is retreated, the second displacement pulse signal phase is prior to the first displacement pulse signals phase.
6. alignment system as claimed in claim 1, it is characterised in that the system also includes：First probe unit and second
Probe unit；Wherein；
The displacement signal acquisition unit is additionally operable to：
First being sent to first probe unit and recognizing signal, first probe unit is according to the described first identification signal life
Into first voltage signal；Or,
Second being sent to second probe unit and recognizing signal, second probe unit is according to the described second identification signal life
Into second voltage signal；
Second recognition unit determines the drilling rod head for drilling rod major part according to the first voltage signal, second identification
Unit determines that the drilling rod head is drilling rod microcephaly according to the second voltage signal.
7. alignment system as claimed in claim 6, it is characterised in that the first voltage signal is not more than the second voltage
Signal；
The walking error of the drilling rod major part is ERR0, and the walking error of the drilling rod microcephaly is ERR1.
8. alignment system as claimed in claim 1, it is characterised in that the displacement location unit specifically for：
Within the default time, the first quantity of first displacement pulse signals of the drilling rod under forward travel state is recorded
N1, records the second quantity N2 of the second displacement pulse signal of the drilling rod under fallback state；
The displacement data of the drilling rod is calculated according to formula S=N1-N2-ERR0-ERR1；
Bearing data according to the drilling rod determines the direction of displacement of the drilling rod；
The displacement coordinate of the drilling rod is determined according to the displacement data, the direction of displacement；Wherein,
One distance of 1 centimetre of displacement pulse signals correspondence；The ERR0 is the walking error of drilling rod major part, and the ERR1 is brill
The walking error of bar microcephaly.
9. a kind of Directional Drilling profile survey localization method, it is characterised in that methods described includes：
The displacement signal of drilling rod is gathered, institute's displacement signal is converted into the first displacement pulse signals, second displacement pulse signal；
First displacement pulse signals, second displacement pulse signal are gathered, according to first displacement pulse signals, described
Two displacement pulse signals obtain the bearing data of the drilling rod；
Recognize the drilling rod head signal of the drilling rod；
According to first displacement pulse signals, the second displacement pulse signal, the bearing data of the drilling rod, the drilling rod
The displacement coordinate of drilling rod described in head signal of change.
10. localization method as claimed in claim 9, it is characterised in that methods described also includes：Record calculates the drilling rod position
The time of coordinate is moved, and the record time is sent to the displacement location unit.
11. localization methods as claimed in claim 9, it is characterised in that methods described also includes：According to the storage for pre-setting
Form real-time storage records the displacement coordinate of time and the drilling rod；
Displacement coordinate according to the drilling rod shows the displacement of the drilling rod in real time.
12. localization methods as claimed in claim 10, it is characterised in that described according to first displacement pulse signals, institute
The bearing data for stating the second displacement pulse signal acquisition drilling rod includes：
Partial pressure, sensing treatment are carried out to first displacement pulse signals, the second displacement pulse signal, described first is obtained
The bearing data of displacement pulse signals, the second displacement pulse signal；Wherein,
When the drilling rod advances, first displacement pulse signals are prior to the second displacement pulse signal；
When the drilling rod is retreated, the second displacement pulse signal is prior to first displacement pulse signals.
13. localization methods as claimed in claim 9, it is characterised in that the drilling rod head signal of the identification drilling rod includes：
Send first and recognize signal, according to the described first identification signal generation first voltage signal；Or,
Send second and recognize signal, according to the described second identification signal generation second voltage signal；
The drilling rod head is determined for drilling rod major part according to the first voltage signal, according to the second voltage signal determines
Drilling rod head is drilling rod microcephaly.
14. localization methods as claimed in claim 13, it is characterised in that the first voltage signal is not more than second electricity
Pressure signal；
The walking error of the drilling rod major part is ERR0, and the walking error of the drilling rod microcephaly is ERR1.
15. localization methods as claimed in claim 9, it is characterised in that according to first displacement pulse signals, described second
Displacement pulse signals, the bearing data of the drilling rod, the displacement coordinate of drilling rod described in the drilling rod head signal of change include：
Within the default time, the first quantity of first displacement pulse signals of the drilling rod under forward travel state is recorded
N1, records the second quantity N2 of the second displacement pulse signal of the drilling rod under fallback state；
The displacement data of the drilling rod is calculated according to formula S=N1-N2-ERR0-ERR1；
Bearing data according to the drilling rod determines the direction of displacement of the drilling rod；
The displacement coordinate of the drilling rod is determined according to the displacement data, the direction of displacement；Wherein,
One distance of 1 centimetre of displacement pulse signals correspondence；The ERR0 is the walking error of drilling rod major part, and the ERR1 is brill
The walking error of bar microcephaly.
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