CN105064979B - Rotary drilling machine system and boring method based on down-hole equipment tool-face dynamic control - Google Patents
Rotary drilling machine system and boring method based on down-hole equipment tool-face dynamic control Download PDFInfo
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Abstract
The present invention relates to a kind of rotary drilling machine system based on down-hole equipment tool-face dynamic control and boring method, the borer system includes kinetic-control system and well system；Kinetic-control system includes dynamic measurement subsystem, feedback control subsystem, user mutual subsystem and executive subsystem；User inputs drilling tool information, drilling fluid information, formation information and control strategy by user's interactive subsystem, feedback control subsystem is according to the drilling tool information, drilling fluid information and formation information received, set up the multi-body Dynamics Model of well system, the every terms of information of well system in dynamic measurement subsystem measurement drilling process, and by these information transmissions to feedback control subsystem；Whether feedback control subsystem judges down-hole equipment tool-face beyond the threshold value set, and rotational angle, the position of hook and slush pump pump speed needed for rotating disk are calculated by Dynamics Simulation, driving rotating disk, hook and slush pump action, continue to creep into so that down-hole equipment tool-face revert to design attitude, to complete the dynamic adjustment control to down-hole equipment tool-face.
Description
Technical field
The present invention relates to a kind of oil gas field borer system and boring method, many-body dynamics mould is based on especially with regard to one kind
The rotary drilling machine system and boring method of the down-hole equipment tool-face dynamic control of type.
Background technology
Slide-and-guide drilling is a kind of common method of directed drilling operation, and it is carried out using underground bent angle formula power drilling tool
Deflecting.However, power drilling tool tool-face easily occurs partially when formation lithology change, mud flow rate change and bit wear
Move, cause actual well off-design track.At present, the universal method for handling the problem is to carry boring and readjusting after stopping boring
Mud motor, makes the tool-face of mud motor point to correct position, but this method reduces drillng operation effect
Rate.Down-hole equipment tool-face can be measured in real time using drilling measuring equipment, and is pushed up according to measurement result on well by rotating
Drive or rotating disk regulate and control or corrected the direction of mud motor tool-face, but due to the DRILL-STRING SYSTEM in drilling measuring equipment compared with
Long and DRILL-STRING SYSTEM has with the borehole wall to be contacted on a large scale, it is difficult to it is determined that rotating the angle needed for top drive or rotating disk.
The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide a kind of down-hole equipment tool-face based on multi-body Dynamics Model
The rotary drilling machine system and boring method of dynamic control, to improve the efficiency and precision of directed drilling operation.
To achieve the above object, the present invention takes following technical scheme：One kind is based on down-hole equipment tool-face dynamic control
Rotary drilling machine system, it is characterised in that the borer system include kinetic-control system and well system；Wherein, it is described dynamic
State control system includes dynamic measurement subsystem, feedback control subsystem, user mutual subsystem and executive subsystem；It is described dynamic
State measuring unit subsystem includes slush pump pump speed measuring unit, hook location measurement unit, rotating disk and carries power measuring unit, rotating disk
Angle torque measurement unit and downhole drilling unit；The feedback control subsystem include slush pump pump speed collecting unit,
Hook information acquisition unit, rotating disk information acquisition unit, tool-face collecting unit, primary control program unit, drilling tool information unit, brill
Well liquid information unit, formation information unit, control strategy unit, observing and controlling information unit, slush pump are pumped into the speed control of drilling fluid
Unit processed, hook position control unit and rotating disk angle control unit；The slush pump pump speed measuring unit, hook position measurement
The output end of unit and downhole drilling unit is electrically connected the slush pump pump speed collecting unit, hook information gathering list
The input of member and tool-face collecting unit；The rotating disk puies forward the output end of power measuring unit and rotating disk angle torque measurement unit
It is electrically connected the input of the rotating disk information acquisition unit；The slush pump pump speed collecting unit, hook information gathering list
Member, rotating disk information acquisition unit, tool-face collecting unit, drilling tool information unit, drilling fluid information unit, formation information unit and
The output end of control strategy unit is electrically connected the input of the primary control program unit, the output of the primary control program unit
End is electrically connected the observing and controlling information unit, slush pump and is pumped into the speed control unit of drilling fluid, hook position control unit
With the input of rotating disk angle control unit；The user mutual subsystem include user interface elements, user input unit and
System output unit；The input of the user interface elements electrically connects the output end of the system output unit, the user
The output end of boundary element electrically connects the input of the user input unit；The output end of the user input unit is simultaneously electric
Connect the input of the drilling tool information unit, drilling fluid information unit, formation information unit and control strategy unit, the system
The input of system output unit electrically connects the output end of the observing and controlling information unit；The executive subsystem includes slush pump list
Member, hook unit and turntable unit；The input of the mud pump unit, hook unit and turntable unit is electrically connected described
Slush pump is pumped into the output end of the speed control unit of drilling fluid, hook position control unit and rotating disk angle control unit；Institute
Stating well system includes installing rotation connection in the middle part of preventer, the top plate of the rig floor in the middle part of a rig floor, the bottom plate of the rig floor
The turntable unit, the turntable unit connects the rotary tray motor for being arranged on the rig floor side by transmission mechanism；It is described to bore
One end of head connection bending-type deflecting power drilling tool, the other end of the bending-type deflecting power drilling tool passes through the downhole drill
One end of measuring unit jointed rod, the other end of the drilling rod passes through one end that kelly bar is connected after the preventer, described
The other end of kelly bar passes through the lower end that tap is connected after the turntable unit, and the upper end of the tap then connects with standpipe
Connect.
A kind of boring method based on down-hole equipment tool-face dynamic control realized using above-mentioned borer system, it includes
Following steps：
1) user inputs drilling tool information, drilling fluid information, formation information and control strategy extremely by user's interactive subsystem
The primary control program unit of feedback control subsystem；Wherein, down-hole equipment tool-face threshold value set in advance is included in control strategy；
2) primary control program unit sets up well system according to the drilling tool information, drilling fluid information and formation information that receive
Multi-body Dynamics Model；
3) dynamic measurement subsystem measures the every terms of information of well system in drilling process, and by these information transmissions to anti-
Present the primary control program unit of control subsystem；
4) control strategy that primary control program unit is inputted according to the every terms of information of the well system received and user judges
Whether down-hole equipment tool-face exceeds the down-hole equipment tool-face threshold value set in control strategy：If it is, dynamic by many bodies
Transmit to executive subsystem, and hold after rotational angle, the position of hook and slush pump pump speed needed for Mechanics Simulation calculating rotating disk
Row step 5)；If it is not, then continuing to creep into and perform step 6)；
5) rotational angle, the position of hook and mud according to rotating disk that calculating obtain needed for are transmitted to executive subsystem after
Pump pump speed, driving rotating disk, hook and slush pump action, continues to creep into so that down-hole equipment tool-face revert to design attitude；
6) user mutual subsystem shows current drilling information and control instruction；
7) according to step 6) in display current drilling information and control instruction, judge whether user sub by user mutual
System have modified input information：If it is, return to step 2)；If it is not, then return to step 3).
In above-mentioned steps 3) in, the every terms of information of the well system of dynamic measurement subsystem measurement is believed including slush pump pump speed
Breath, hook positional information, the rotational angle of rotating disk and be applied to the torque information of drilling rod, the upper lifting force information that drilling rod is subject to and well
Lower drilling tool face information.
The present invention is due to taking above technical scheme, and it has advantages below：1st, the present invention is based on due to proposing one kind
The dynamic control method of the mud motor tool-face of multi-body Dynamics Model, by being moved to mud motor tool-face
State is estimated and the dynamic calculation of well top rotary table adjustment angle regulates and controls rotating disk rotational angle, so as to dynamically control downhole tool face side
To, keep it in the angle threshold that user specifies, therefore the present invention can be realized to slide downhole orientation power drilling tool and led
To the dynamic adjustment of tool-face during drilling, dynamic corrects the drift of mud motor tool-face, improves directional well well rail
The control accuracy and operating efficiency of mark, are effectively improved hole quality.2nd, the present invention is due to the control strategy set according to user, such as
Slush pump changes in pump speed rule, hook movement law or rotating disk rotating rule, establish a kind of mud motor tool-face
The tool-face of downhole orientation power drilling tool can be automatically adjusted to user's prescribed direction by kinetic-control system, the control system,
Therefore the present invention can reduce viscous brill and bit freezing probability, realize effective transmission of the pressure of the drill, reduce down-hole accident rate, improve drillng operation
Efficiency.3rd, the present invention can obtain downhole orientation power drilling tool in real time due to being carried out to well system after Dynamics Simulation
Tool-face direction, and the influence that measurement-while-drilling system signal transmission delay is calculated drilling tool control law can be reduced, because
This present invention can reduce control and offset the possibility coupled with drilling tool, and the tool-face control diverging of prevention mud motor reduces well
Lower accident rate, improves drilling process reliability and security, improves drillng operation efficiency.Based on above advantage, the present invention can be with
It is widely used in in the mud motor tool-face dynamic control in various slide-and-guide drillng operations.
Brief description of the drawings
Come to carry out the present invention detailed description below in conjunction with accompanying drawing.It should be appreciated, however, that accompanying drawing has been provided only more
Understand the present invention well, they should not be interpreted as limitation of the present invention.
Fig. 1 is the structural representation of kinetic-control system of the present invention；
Fig. 2 is the structural representation of well system of the present invention；
Fig. 3 is the schematic flow sheet of dynamic control method of the present invention.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1 and Figure 2, borer system of the invention includes kinetic-control system 100 and well system 200.
As shown in figure 1, kinetic-control system 100 includes dynamic measurement subsystem 10, feedback control subsystem 20, Yong Hujiao
Mutual subsystem 30 and executive subsystem 40.
Wherein, dynamic measurement unit subsystem 10 includes slush pump pump speed measuring unit 101, hook location measurement unit
102nd, rotating disk carries power measuring unit 103, rotating disk angle torque measurement unit 104 and downhole drilling unit 105.
Feedback control subsystem 20 includes slush pump pump speed collecting unit 201, hook information acquisition unit 202, rotating disk letter
Cease collecting unit 203, tool-face collecting unit 204, primary control program unit 205, drilling tool information unit 206, drilling fluid information list
Member 207, formation information unit 208, control strategy unit 209, observing and controlling information unit 210, slush pump are pumped into the speed of drilling fluid
Control unit 211, hook position control unit 212 and rotating disk angle control unit 213.Wherein, slush pump pump speed measuring unit
101st, hook location measurement unit 102 and the output end of downhole drilling unit 105 are electrically connected the collection of slush pump pump speed
The input of unit 201, hook information acquisition unit 202 and tool-face collecting unit 204；Rotating disk carries the He of power measuring unit 103
The output end of rotating disk angle torque measurement unit 104 is electrically connected the input of rotating disk information acquisition unit 203.Slush pump pump
Fast collecting unit 201, hook information acquisition unit 202, rotating disk information acquisition unit 203, tool-face collecting unit 204, drilling tool
Information unit 206, drilling fluid information unit 207, the output end electricity respectively of formation information unit 208 and control strategy unit 209
Connect the input of primary control program unit 205, the output end of primary control program unit 205 be electrically connected observing and controlling information unit 210,
Slush pump is pumped into the speed control unit 211, hook position control unit 212 and rotating disk angle control unit 213 of drilling fluid
Input.
User mutual subsystem 30 includes user interface elements 301, user input unit 302 and system output unit 303.
Wherein, the output end of the input electrical connection system output unit 303 of user interface elements 301, user interface elements 301 it is defeated
Go out the input of end electrical connection user input unit 302.The output end of user input unit 302 electrically connects drilling tool information list simultaneously
First 206, the input of drilling fluid information unit 207, formation information unit 208 and control strategy unit 209, system output unit
The output end of 303 input electrical connection observing and controlling information unit 210.
Executive subsystem 40 includes mud pump unit 401, hook unit 402 and turntable unit 403.Wherein, slush pump list
The input of member 401, hook unit 402 and turntable unit 403 is electrically connected the speed control list that slush pump is pumped into drilling fluid
The output end of member 211, hook position control unit 212 and rotating disk angle control unit 213.
As shown in Fig. 2 well system 200 includes installing preventer 22, rig floor 21 in the middle part of a rig floor 21, the bottom plate of rig floor 21
Top plate in the middle part of rotate connection turntable unit 403, turntable unit 403 by transmission mechanism connect is arranged on the side of rig floor 21 turn
Coil motor 23.One end of the connection bending-type deflecting of drill bit 24 power drilling tool 25, the other end of bending-type deflecting power drilling tool 25 leads to
One end of the jointed rod 26 of downhole drilling unit 105 is crossed, the other end of drilling rod 26 connects a drill with ferrule after passing through preventer 22
One end of bar 27, the other end of kelly bar 27 passes through the lower end that a tap 28 is connected after turntable unit 403, tap 28 it is upper
End is then connected with standpipe 29.It should be noted that mud pump unit 401 and hook unit 402 are also on rig floor 21, and its with
The position of rig floor 21 and annexation are same as the prior art, therefore repeat no more.
Operationally, dynamic measurement subsystem 10 will measure obtained slush pump pump speed letter to the borer system of the present invention first
Breath, hook positional information, the rotational angle of rotating disk and it is applied to the torque information of drilling rod, drilling rod upper lifting force information and underground and bores
The every terms of information of the well systems 200 such as tool tool-face information is transmitted to feedback control subsystem 20；Meanwhile, user mutual subsystem
The users such as drilling tool information, drilling fluid information, formation information and control strategy are inputted information transfer to feedback control subsystem by 30
20；Then feedback control subsystem 20 is according to the every terms of information of the well system 200 received and user's input information generation
Observing and controlling information and execution control instruction, and by observing and controlling information transfer to user mutual subsystem 30, control instruction transmission will be performed
To executive subsystem 40, executive subsystem 40 is acted according to the execution control instruction received.
As shown in figure 3, according to the borer system provided in above-described embodiment, the invention also provides one kind is bored based on underground
Has the boring method of tool-face dynamic control, it comprises the following steps：
1) user inputs drilling tool information, drilling fluid information, formation information and control strategy by user's interactive subsystem 30
To the primary control program unit 205 of feedback control subsystem 20.Wherein, down-hole equipment instrument set in advance is included in control strategy
Face threshold value.
2) primary control program unit 205 sets up drilling well system according to the drilling tool information, drilling fluid information and formation information that receive
The multi-body Dynamics Model of system 200.Wherein, the application can directly be used by carrying out multi-body dynamics modeling to well system 200
People's Patent No.：ZL201010616202.0, a kind of entitled " quick analysis modeling of rotary steering drilling system many-body dynamics
Modeling method described in method ", is not limited herein.
3) dynamic measurement subsystem 10 measures the every terms of information of well system 200 in drilling process, and these information are passed
Pass the primary control program unit 205 of feedback control subsystem 20.
The every terms of information for the well system 200 that dynamic measurement subsystem 10 is measured includes slush pump pump speed information, hook position
Confidence breath, the rotational angle of rotating disk and be applied to the torque information of drilling rod, the upper lifting force information and down-hole equipment work that drilling rod is subject to
Tool face information.
4) the control plan that primary control program unit 205 is inputted according to the every terms of information of the well system 200 received and user
Slightly judge whether down-hole equipment tool-face exceeds the down-hole equipment tool-face threshold value set in control strategy：If it is, passing through
Transmitted after rotational angle, the position of hook and slush pump pump speed needed for Dynamics Simulation calculating rotating disk to executive subsystem
40, and perform step 5)；If it is not, then keeping currently creeping into and performing step 6).Wherein, Dynamics Simulation is existing skill
Art, therefore repeat no more.
5) rotational angle, the position of hook and slush pump pump of the executive subsystem 40 according to needed for the rotating disk that calculating is obtained
Speed, driving rotating disk unit 403, hook unit 402 and mud pump unit 401 are acted, and continue to creep into so that down-hole equipment tool-face
Design attitude is revert to, to complete the dynamic adjustment control to down-hole equipment tool-face.
6) user mutual subsystem 30 shows current drilling information and control instruction.
7) according to step 6) in display current drilling information and control instruction, judge whether user sub by user mutual
System 30 have modified input information：If it is, return to step 2)；If it is not, then return to step 3).
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each part, connected mode etc. are all can be
Change, every equivalents carried out on the basis of technical solution of the present invention and improvement should not be excluded the present invention's
Outside protection domain.
Claims (3)
1. a kind of rotary drilling machine system based on down-hole equipment tool-face dynamic control, it is characterised in that the borer system bag
Include kinetic-control system and well system；
Wherein, the kinetic-control system includes dynamic measurement subsystem, feedback control subsystem, user mutual subsystem and held
Row subsystem；
The dynamic measurement subsystem includes slush pump pump speed measuring unit, hook location measurement unit, rotating disk and carries power measurement list
Member, rotating disk angle torque measurement unit and downhole drilling unit；
The feedback control subsystem includes slush pump pump speed collecting unit, hook information acquisition unit, rotating disk information gathering list
Member, tool-face collecting unit, primary control program unit, drilling tool information unit, drilling fluid information unit, formation information unit, control
Policy unit, observing and controlling information unit, slush pump are pumped into the speed control unit of drilling fluid, hook position control unit and disc angle
Spend control unit；The output end of the slush pump pump speed measuring unit, hook location measurement unit and downhole drilling unit
It is electrically connected the input of the slush pump pump speed collecting unit, hook information acquisition unit and tool-face collecting unit；Institute
State that rotating disk puies forward power measuring unit and the output end of rotating disk angle torque measurement unit is electrically connected the rotating disk information gathering list
The input of member；The slush pump pump speed collecting unit, hook information acquisition unit, rotating disk information acquisition unit, tool-face are adopted
The output end for collecting unit, drilling tool information unit, drilling fluid information unit, formation information unit and control strategy unit is electrically connected respectively
The input of the primary control program unit is connect, the output end of the primary control program unit is electrically connected the observing and controlling information list
Member, slush pump are pumped into the input of the speed control unit of drilling fluid, hook position control unit and rotating disk angle control unit；
The user mutual subsystem includes user interface elements, user input unit and system output unit；User circle
The input of face unit electrically connects the output end of the system output unit, the output end electrical connection institute of the user interface elements
State the input of user input unit；The output end of the user input unit electrically connects the drilling tool information unit, brill simultaneously
The input of well liquid information unit, formation information unit and control strategy unit, the input of the system output unit is electrically connected
Connect the output end of the observing and controlling information unit；
The executive subsystem includes mud pump unit, hook unit and turntable unit；The mud pump unit, hook unit and
The input of turntable unit is electrically connected the slush pump and is pumped into the speed control unit of drilling fluid, hook position control unit
With the output end of rotating disk angle control unit；
The well system includes installing in the middle part of a rig floor, the bottom plate of the rig floor to be turned in the middle part of preventer, the top plate of the rig floor
The dynamic connection turntable unit, the turntable unit connects the rotary tray motor for being arranged on the rig floor side by transmission mechanism；
The drill bit connects one end of bending-type deflecting power drilling tool, and the other end of the bending-type deflecting power drilling tool passes through the well
One end of lower measurement while drilling unit jointed rod, the other end of the drilling rod, which is passed through, connects the one of kelly bar after the preventer
End, the other end of the kelly bar passes through the lower end that tap is connected after the turntable unit, the upper end of the tap then with
Standpipe is connected.
2. a kind of drilling well side based on down-hole equipment tool-face dynamic control realized using borer system as claimed in claim 1
Method, it comprises the following steps：
1) user inputs drilling tool information, drilling fluid information, formation information and control strategy to feedback by user's interactive subsystem
The primary control program unit of control subsystem；Wherein, down-hole equipment tool-face threshold value set in advance is included in control strategy；
2) primary control program unit sets up many of well system according to the drilling tool information, drilling fluid information and formation information that receive
Body dynamics model；
3) dynamic measurement subsystem measures the every terms of information of well system in drilling process, and these information transmissions are controlled to feedback
The primary control program unit of subsystem；
4) control strategy that primary control program unit is inputted according to the every terms of information of the well system received and user judges underground
Whether drilling tool face exceeds the down-hole equipment tool-face threshold value set in control strategy：If it is, passing through many-body dynamics
Transmitted after the position of rotational angle, hook needed for simulation calculation rotating disk and slush pump pump speed to executive subsystem, and perform step
It is rapid 5)；If it is not, then continuing to creep into and perform step 6)；
5) rotational angle, the position of hook and slush pump pump speed of the executive subsystem according to needed for the rotating disk that calculating is obtained, driving
Rotating disk, hook and slush pump action, continue to creep into so that down-hole equipment tool-face revert to design attitude；
6) user mutual subsystem shows current drilling information and control instruction；
7) according to step 6) in display current drilling information and control instruction, judge user whether by user's interactive subsystem
It has modified input information：If it is, return to step 2)；If it is not, then return to step 3).
3. the boring method as claimed in claim 2 based on down-hole equipment tool-face dynamic control, it is characterised in that above-mentioned
Step 3) in, the every terms of information of the well system of dynamic measurement subsystem measurement, which includes slush pump pump speed information, hook position, to be believed
Breath, the rotational angle of rotating disk and be applied to the torque information of drilling rod, the upper lifting force information and down-hole equipment tool-face that drilling rod is subject to
Information.
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| CN108227495B (en) * | 2018-01-05 | 2020-11-24 | 中国海洋石油集团有限公司 | Self-adaptive sliding guide drilling control system and control method |
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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation |