CN204357415U - A kind of pinpoint detection system of angle being provided with code-disc based on rotary tray motor - Google Patents
A kind of pinpoint detection system of angle being provided with code-disc based on rotary tray motor Download PDFInfo
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- CN204357415U CN204357415U CN201420840174.4U CN201420840174U CN204357415U CN 204357415 U CN204357415 U CN 204357415U CN 201420840174 U CN201420840174 U CN 201420840174U CN 204357415 U CN204357415 U CN 204357415U
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Abstract
The utility model discloses a kind of pinpoint detection system of angle being provided with code-disc based on rotary tray motor, comprise drive system, checkout gear and drilling assembly, checkout gear comprises mwd system pressure signal sensor (16), tool-face decoder (11), dynamic tool face controller (14), servo and brakes (12), angle signal sensor (10) and angle signal processor (13), drive system comprises rotating disk (7), rotary tray motor (8) and code disc device (9), drilling assembly comprises drill bit (1), bending-type deflecting power drilling tool (2), measurement-while-drilling system (3), drilling rod (4) and rig floor (6).The angle information of angle, the utility model real-time testing tool face feedback, by the control of dynamic tool face controller, the rotational angle of accurate positioning motor, avoids in adjustment process the phenomenon occurring that downhole tool face is drifted about.
Description
Technical field
Utility model relates to a kind of downhole tool face angle Precise Position System, particularly a kind of pinpoint detection system of angle being provided with code-disc based on rotary tray motor.
Background technology
In conventional drilling operation process, straight well section and steady tilted section adopt top to drive or carousel mode rotary drilling usually, steerable drilling section is according to down-hole bent angle formula deflecting power drilling tool, then usually use slide drilling mode, under the conditions such as pumpage adjustment, formation lithology change, power drilling tool wearing and tearing, the drift of easy generation drilling tool face, the problem such as cause hole trajectory control unsuccessfully.In the face of this situation, common way is after downhole tool face drift, adopt stop boring, on carry drilling tool method reset tool-face, and this will affect operation timeliness.Meanwhile, in conventional steering drilling tool slipping drilling process, because drilling tool can not rotate, cause apply the pressure of the drill delayed, hole cleaning is difficult, easily causes the problems such as operating efficiency is low, complex procedures.Therefore, a kind of dynamic control method that can realize downhole orientation power drilling tool tool-face is badly in need of.
Utility model content
The purpose of this utility model is the shortcoming overcoming prior art, provides a kind of pinpoint detection system of angle being provided with code-disc based on rotary tray motor.
The purpose of this utility model is achieved through the following technical solutions: a kind of pinpoint detection system of angle being provided with code-disc based on rotary tray motor, comprises swing drive system, checkout gear and drilling assembly;
Described checkout gear comprises mwd system pressure signal sensor, tool-face decoder, dynamic tool face controller, servo and brakes, angle signal sensor and angle signal processor, the output of mwd system pressure signal sensor is connected with tool-face decoder, the output of tool-face decoder inputs with a road of dynamic tool face controller and is connected, the output of dynamic tool face controller is connected with brakes with servo, servo is connected with rotating disk with brakes, the output of angle signal sensor is connected with angle signal processor, the output of angle signal processor inputs with another road of dynamic tool face controller and is connected,
Described swing drive system comprises rotating disk, rotary tray motor and code disc device, and rotating disk is arranged in the middle part of rig floor, and rotating disk is connected with rotary tray motor, and rotary tray motor is provided with code disc device;
Described drilling assembly comprises drill bit, bending-type deflecting power drilling tool, measurement-while-drilling system, drilling rod, preventer, rig floor, kelly bar, water tap and standpipe, drill bit connecting bending angie type deflecting power drilling tool, bent angle formula deflecting power drilling tool is connected with measurement-while-drilling system, measurement-while-drilling system jointed rod, connection side's drilling rod above drilling rod, kelly bar is through rotating disk, and upper end is connected with water tap, water tap upper end connects standpipe, and standpipe is provided with mwd system pressure signal sensor.
Described code disc device comprises circular disk body and sensor, circular disk body is by being arranged in the rotating shaft of rotary tray motor with the axis hole of its bias, sensor setting is at the outer side surface of circular disk body, and described sensor is connected with dynamic tool face controller by signal processing system.
Described preventer is arranged on above rig floor bottom surface, and drilling rod suit is through in the middle part of preventer.
The utility model has the advantage of: the code disc device of employing can calculate the rotational angle of machine shaft automatically, calculate accurately, precision is high, anti-seismic performance good, and be easy to processing, cost is low; Save directed drilling deflecting cost, improve drilling efficiency, shorten drilling period, effectively can reduce the generation of down-hole accident; The Dynamic controlling of downhole orientation power drilling tool tool-face is realized by dynamic tool face controller, when there is drift in drilling tool face, dynamic tool face controller can be operated in real time, adjustment drilling tool face, avoid equipment stop bore, on carry drilling tool, thus minimizing equipment loss, significantly use manpower and material resources sparingly, greatly reduce the generation of down-hole accident simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure, 1-drill bit, 2-bending-type deflecting power drilling tool, 3-measurement-while-drilling system, 4-drilling rod, 5-preventer, 6-rig floor, 7-rotating disk, 8-rotary tray motor, 9-code disc device, 10-angle signal sensor, 11-tool-face decoder, 12-servo and brakes, 13-angle signal treatment system, 14-dynamic tool face controller, 15-standpipe, 16-MWD system pressure signal sensor, 17-kelly bar, 18-water tap.
Detailed description of the invention
Be further described the utility model below in conjunction with accompanying drawing, protection domain of the present utility model is not limited to the following stated:
As shown in Figure 1, a kind of pinpoint detection system of angle being provided with code-disc based on rotary tray motor, comprises swing drive system, checkout gear and drilling assembly, described checkout gear comprises mwd system pressure signal sensor 16, tool-face decoder 11, dynamic tool face controller 14, servo and brakes 12, angle signal sensor 10 and angle signal processor 13, the output of mwd system pressure signal sensor 16 is connected with tool-face decoder 11, the output of tool-face decoder 11 inputs with a road of dynamic tool face controller 14 and is connected, the output of dynamic tool face controller 14 is connected with brakes 12 with servo, servo is connected with rotating disk 7 with brakes 12, the output of angle signal sensor 10 is connected with angle signal processor 13, the output of angle signal processor 13 inputs with another road of dynamic tool face controller 14 and is connected, described swing drive system comprises rotating disk 7, rotary tray motor 8 and code disc device 9, rotating disk 7 is arranged in the middle part of rig floor 6, rotating disk 7 is connected with rotary tray motor 8, rotary tray motor 8 is provided with code disc device 9, described drilling assembly comprises drill bit 1, bending-type deflecting power drilling tool 2, measurement-while-drilling system 3, drilling rod 4, preventer 5, rig floor 6, kelly bar 17, water tap 18 and standpipe 15, in the present embodiment, described preventer 5 is arranged on above rig floor 6 bottom surface, drilling rod 4 is set with through in the middle part of preventer 5, drill bit 1 connecting bending angie type deflecting power drilling tool 2, bent angle formula deflecting power drilling tool 2 is connected with measurement-while-drilling system 3, measurement-while-drilling system 3 jointed rod 4, connection side's drilling rod 17 above drilling rod 4, kelly bar 17 is through rotating disk 7, upper end is connected with water tap 18, water tap 18 upper end connects standpipe 15, standpipe 15 is provided with mwd system pressure signal sensor 16, in the present embodiment, code disc device 9 comprises circular disk body and sensor, circular disk body is by being arranged in the rotating shaft of rotary tray motor 8 with the axis hole of its bias, sensor setting is at the outer side surface of circular disk body, described sensor is connected with dynamic tool face controller 14 by signal processing system.
Specific works principle of the present utility model is:
(1) MWD signal under mwd system pressure signal sensor 16 production wells in well system, and the down-hole MWD signal collected is sent to instrument decode system 11, tool-face decoder 11 is according to the down-hole MWD signal received, solve downhole tool surface information, and downhole tool surface information is passed to dynamic tool face controller 14;
(2) the downhole tool surface information received is decoded by dynamic tool face controller 14, and carries out Logic judgment, judges whether to exceed the threshold value of setting in dynamic tool face controller 14; If do not exceed setting threshold value, then do not take regulating measures, continue drilling well; If exceed setting threshold value, then start the servo-drive system in servo and brakes 12;
(3) angle of the servo-drive system adjustment rotating disk 7 in servo and brakes 12, now, the angle value of rotating disk 7 is fed back to angle signal treatment system 13 by angular transducer 10, and feedback signal is carried out signal transacting by angle signal treatment system 13, and sends dynamic tool face controller 14 to;
(4) dynamic tool face controller 14 judges whether the current angle value of rotating disk 7 reaches the angle value of setting, if do not reach the angle value of setting, then returns step (3), and servo and brakes 12 continue the angle of adjustment rotating disk 7; If reach the angle value of setting, then start the brakes in servo and brakes 12;
(5) the brake system rotating disk 7 in servo and brakes 12, realize brake, drilling well is also continued in locking tool face, and code disc device 9 Real-time Collection detects the rotational angle of rotary tray motor 8, by numerical control PID technology, realize the accurate location of rotary tray motor 8 anglec of rotation;
(6) step (1) is returned, tool-face decoder 11 continuous reception down-hole MWD signal, real-time tracking downhole tool face situation, if when tool-face floats to more than the threshold value of dynamic tool face controller 14 setting, again will start the utility model dynamic tool face controller 14, the tool-face of carrying out a new round adjusts operation automatically.
Code disc device 9 in use, circular disk body is by being installed in the rotating shaft of variable-frequency motor with the axis hole of its bias, the sensor be arranged on outside circular disk body outer round surface exports the proportional signal of the distance of the outer round surface of itself and circular disk body, utilize the cyclically-varying of these signals thus automatically calculate the rotational angle of rotating shaft, the angle information of angle, real-time testing tool face feedback, and be transferred to control system, realize the accurate location of angle, meet the demand of downhole orientation power drilling tool tool-face dynamic conditioning.
The utility model adopts fuzzy to control in conjunction with the strategy of dead-time system PID.The design of parameter self-tuning fuzzy PID controller can be divided into two parts, take fuzzy control as coarse adjustment, PID is fine tuning, be namely divided into adaptive fuzzy controller part and PID control section.Two parts form parameter self-tuning fuzzy PID controller together, realize being moved to zero point by PID control system on the basis of fuzzy control, realize indifference and control.When tool-face deviation ratio is larger, top is driven and is once rotated to an angle with the pattern of stepping, then waits for the signal of down-hole MWD, detect whipstock rotational angle, repeat this process, until tool-face deviation arrives the stage needing PID to regulate, carry out accurate PID adjustment.The design of parameter self-tuning fuzzy PID controller is divided into two parts, it is in deviation | and adopt fuzzy reasoning to control within the scope of when E| is larger, using deviation e (k) and deviation variation rate ec (k) as inputting, through fuzzy reasoning, obtaining 3 parameters of not PID in the same time, in deviation | E| comparatively hours window adopts PID accurately to export.Compound Control Strategy adopts fuzzy control within the scope of large deviation, PID is become to control in little deviation internal conversion, the conversion of the two is realized according to deviation range given in advance automatically by program, adaptive Fuzzy PID Control has less overshoot and shorter regulating time, good dynamic and static characteristic, better compliance and robustness, be better than conventional PID and control.
Claims (3)
1. be provided with the pinpoint detection system of angle of code-disc based on rotary tray motor, it is characterized in that: it comprises swing drive system, checkout gear and drilling assembly;
Described checkout gear comprises mwd system pressure signal sensor (16), tool-face decoder (11), dynamic tool face controller (14), servo and brakes (12), angle signal sensor (10) and angle signal processor (13), the output of mwd system pressure signal sensor (16) is connected with tool-face decoder (11), the output of tool-face decoder (11) inputs with a road in dynamic tool face controller (14) and is connected, the output in dynamic tool face controller (14) is connected with brakes (12) with servo, servo is connected with rotating disk (7) with brakes (12), the output of angle signal sensor (10) is connected with angle signal processor (13), the output of angle signal processor (13) inputs with another road in dynamic tool face controller (14) and is connected,
Described drive system is swing drive system, described swing drive system comprises rotating disk (7), rotary tray motor (8) and code disc device (9), rotating disk (7) is arranged on rig floor (6) middle part, rotating disk (7) is connected with rotary tray motor (8), rotary tray motor (8) is provided with code disc device (9);
Described drilling assembly comprises drill bit (1), bending-type deflecting power drilling tool (2), measurement-while-drilling system (3), drilling rod (4), preventer (5), rig floor (6), kelly bar (17), water tap (18) and standpipe (15), drill bit (1) connecting bending angie type deflecting power drilling tool (2), bent angle formula deflecting power drilling tool (2) is connected with measurement-while-drilling system (3), measurement-while-drilling system (3) jointed rod (4), drilling rod (4) top connection side's drilling rod (17), kelly bar (17) is through rotating disk (7), upper end is connected with water tap (18), water tap (18) upper end connects standpipe (15), standpipe (15) is provided with mwd system pressure signal sensor (16).
2. a kind of pinpoint detection system of angle being provided with code-disc based on rotary tray motor according to claim 1, it is characterized in that: described code disc device (9) comprises circular disk body and sensor, circular disk body is by being arranged in the rotating shaft of rotary tray motor (8) with the axis hole of its bias, sensor setting is at the outer side surface of circular disk body, and described sensor is connected with dynamic tool face controller (14) by signal processing system.
3. a kind of pinpoint detection system of angle being provided with code-disc based on rotary tray motor according to claim 1, it is characterized in that: described preventer (5) is arranged on above rig floor (6) bottom surface, drilling rod (4) suit is through preventer (5) middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420840174.4U CN204357415U (en) | 2014-12-26 | 2014-12-26 | A kind of pinpoint detection system of angle being provided with code-disc based on rotary tray motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420840174.4U CN204357415U (en) | 2014-12-26 | 2014-12-26 | A kind of pinpoint detection system of angle being provided with code-disc based on rotary tray motor |
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| Publication Number | Publication Date |
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| CN204357415U true CN204357415U (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420840174.4U Expired - Fee Related CN204357415U (en) | 2014-12-26 | 2014-12-26 | A kind of pinpoint detection system of angle being provided with code-disc based on rotary tray motor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064979A (en) * | 2015-07-13 | 2015-11-18 | 中国海洋石油总公司 | Turntable type drilling machine system based on tool surface dynamic control of underground drilling tool and drilling method based on tool surface dynamic control of underground drilling tool |
| CN105927150A (en) * | 2016-04-11 | 2016-09-07 | 白伟华 | Measurement-while-drilling electric drill device |
| CN108049834A (en) * | 2017-12-26 | 2018-05-18 | 中国石油天然气集团公司 | The whipstock installation system and installation method of continuous pipe drilling machine |
-
2014
- 2014-12-26 CN CN201420840174.4U patent/CN204357415U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064979A (en) * | 2015-07-13 | 2015-11-18 | 中国海洋石油总公司 | Turntable type drilling machine system based on tool surface dynamic control of underground drilling tool and drilling method based on tool surface dynamic control of underground drilling tool |
| CN105064979B (en) * | 2015-07-13 | 2017-08-04 | 中国海洋石油总公司 | Rotary drilling machine system and boring method based on down-hole equipment tool-face dynamic control |
| CN105927150A (en) * | 2016-04-11 | 2016-09-07 | 白伟华 | Measurement-while-drilling electric drill device |
| CN108049834A (en) * | 2017-12-26 | 2018-05-18 | 中国石油天然气集团公司 | The whipstock installation system and installation method of continuous pipe drilling machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20171226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |