CN106639875B - A kind of rotary steering measurement and control system experiment device - Google Patents
A kind of rotary steering measurement and control system experiment device Download PDFInfo
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- CN106639875B CN106639875B CN201510724489.1A CN201510724489A CN106639875B CN 106639875 B CN106639875 B CN 106639875B CN 201510724489 A CN201510724489 A CN 201510724489A CN 106639875 B CN106639875 B CN 106639875B
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Abstract
A kind of indoor experimental apparatus the invention discloses rotary steering TT&C system includes：Hole deviation demarcates rack, rotary test rack, power management module, computer module, slip ring line, emergency brake.Simulation rotary steering TT&C system is mounted on rotary test rack, rotation is driven by the direct-flow deceleration electric motor on rotary test rack, the attitude signals such as rotary steering TT&C system real-time measurement hole deviation, revolving speed, tool-face, computer module is transferred to by slip ring after being improved, realizes data and communication control between rotary test rack and external computer module.Rotary test rack is integrally attached on hole deviation calibration rack, realizes the detection and calibration to sensor in rotary steering TT&C system.The present invention is accurately being measured under the rotating condition for rotary steering TT&C system and is realizing that accurate control provides strong technical guarantee.
Description
Technical field
The present invention relates to rotary steerable drilling system field more particularly to a kind of laboratory experiments of rotary steering TT&C system
Device and test method.
Background technique
Rotary steerable drilling system is the equipment in directional well field, can greatly improve directional well operating efficiency and operation
Success rate is one of the trend of the following directional well technology development.Rotary steerable drilling system can be divided into backup by structural principle point
Formula and directional type.Pushing type is exactly the duty parameter under real-time production wells, calculates current hole angle and tool face azimuth, controls three
Or more rib open the backup borehole wall and be oriented to.
Discovery is retrieved through the open source literature to the prior art, although indicating the work of rotary steering drilling tool TT&C system
Make principle and investigating method, still, to guarantee that rotary steering TT&C system is accurately being measured under the rotating condition and realizing essence
Really control carries out the exploitation of the indoor experimental apparatus of simulation rotation operating condition.
Summary of the invention
It is an object of that present invention to provide a kind of indoor experimental apparatus of rotary steering TT&C system, simulate downhole tool rotation
Turn, complete the measurement to tool attitude parameter, and is rotary steering observing and controlling by the comparison with standard hole deviation, standard tool face
Algorithm, which changes, in system provides strong technical guarantee with control system optimization.
Technical solution of the present invention includes：Hole deviation demarcates rack, rotary test rack, power management module, computer module
With slip ring line.Wherein, hole deviation calibration rack includes the frame body of bottom plate and front and back side plate composition, and main shaft is arranged on frame body,
Main shaft extension end is connected with index dial, and rotary test rack is fixed on the main shaft between the side plate of front and back.Rotary test rack
Including pedestal, direct-flow deceleration electric motor, shaft coupling, grating encoder, test skeleton, gland, slip ring, direct-flow deceleration electric motor output
Axis is connected by shaft coupling with test skeleton connecting shaft, and gland is consolidated with the connecting shaft rotatable engagement for testing skeleton and by test skeleton
It is scheduled on pedestal, grating encoder is mounted on shaft coupling, and slip ring and grating encoder, which cooperate, to be transferred to data are defeated by slip ring line
Computer module.It tests skeleton and is equipped with rotation sensing tank and rotation sensor, processing circuit slot and processing circuit, indicator light.
Power management module is connected to rotary test rack by slip ring line, and to all electric power supplies on rotary test rack.It is micro-
Machine module establishes data by the electric component on slip ring line and power management module and rotary test rack and control, communication connect
It connects.
Above scheme further comprises：
Emergency brake is also connected between slip ring line and direct-flow deceleration electric motor.
It is also connected with fixed plate between the front and back side plate of hole deviation calibration rack, fixed plate has dowel hole；Rotary test
It also is provided with the location hole of same diameter, dowel hole and location hole and detent fit on the pedestal of rack, hole deviation is demarcated into rack
It is positioned with rotary test rack in different angle.
Rotation sensor is made of a high speed three axle magnetometer, triaxial accelerometer, high speed telemetry circuit, is installed on survey
Try skeleton outer.
The side plate that hole deviation demarcates rack uses nonmagnetic steel, and the bottom plate that hole deviation demarcates rack uses ledrite hpb59-1, rotation
Testboard bay uses aluminium, including main shaft and pin, positioning pin mechanical connecting element all using blueness beryllium copper material.
Every 120 ° of installation indicator lights around test skeleton.
Due to taking above technical scheme, possessed beneficial effect is the present invention：Experiments verify that this experimental provision is used
The calibration and test of sensor, can complete following task in rotary steering TT&C system：(1) simulation underground rotates operating condition；
（2）Acquire the real-time hole angle and tool face azimuth that rotary steering TT&C system calculates；（3）Bench calibration rotation is demarcated by hole deviation
It is oriented to the real-time hole angle that TT&C system calculates；(4) grating encoder accurately calculate current tool face angle and with rotary steering observing and controlling
The real-time tool face angle of system-computed compares；(5) current hole angle and tool face azimuth are calculated, rib appropriation position is set, is realized
The adjustment of rotary steerable tool spatial attitude；(6) real-time storage and upload of data.To measure in TT&C system using it
It is more acurrate, while the control of the appropriation position and duration to rib is also more accurate.
Detailed description of the invention
Fig. 1 is the schematic diagram of rotary steering measurement and control system experiment device.
Fig. 2 is the side view that hole deviation demarcates rack.
Fig. 3 is rotary test rack schematic diagram.
Fig. 4 is test skeleton schematic diagram.In figure：
1, hole deviation demarcates rack 2, rotary test rack 3, power management module 4, computer module
5, slip ring line 6, bottom plate 7, front side board 8, back side panel
9, main shaft 10, pin 11, index dial 12, fixed plate
13, positioning pin 14, pedestal 15, direct-flow deceleration electric motor 16, shaft coupling
17, grating encoder 18, test skeleton 19, gland 20, slip ring
21, spindle hole 22, location hole 23, emergency brake 24, rotation sensing tank
25, processing circuit slot 26, rotation sensor 27, processing circuit 28, indicator light.
Specific embodiment
As shown in Figure 1, rotary steering measurement and control system experiment device proposed by the present invention includes a few parts：Hole deviation demarcates rack
1, rotary test rack 2, power management module 3, computer module 4, slip ring line 5, emergency brake 23.Simulate rotary steering observing and controlling
System is mounted on rotary test rack 2, and power management module 3 powers to entire rotary test rack 2 by slip ring line 5,
In include direct-flow deceleration electric motor 15, rotary steering TT&C system and grating encoder 17；In addition, rotary steering TT&C system will be adopted
The signals such as the hole deviation, revolving speed, the tool-face that collect by slip ring are transferred to computer module 4 after being improved, and realize rotary test
Data and communication control between rack 2 and external computer module 4.In addition, installing emergency brake in experimental provision fit on
Device 23, to emergency brake, in brake process, 1 stall of direct-flow deceleration electric motor considers overcurrent protection energy when selecting motor
Power, it is ensured that motor works normally.Emergency brake by computer module 4 according to control signal carry out self-actuating brake, braking time with
TT&C system controls signal association.
Power management module 3 is responsible for after alternating current progress rectifying and voltage-stabilizing is treated as direct current, then carries out voltage conversion
DC voltage is respectively converted into+15v, -15v, 5V by processing, provides required electric power for TT&C system.
Since rotary steering TT&C system is measured in measurement process using fluxgate, fluxgate is interfered by iron, magnetic substance
Greatly, in order to avoid magnetic disturbance influences accuracy of measurement, entire experimental provision is made of non-magnetic material, and wherein hole deviation demarcates rack
1 uses nonmagnetic steel, and rotary test rack 2 uses the aluminium without magnetic disturbance, and bolt, nut of various fixations etc. are all using blueness
Beryllium copper material.
Fig. 2 is the side view that hole deviation demarcates rack 1.As shown in Figure 1, 2, hole deviation calibration rack 1 includes：Bottom plate 6；Front side board
7, back side panel 8, main shaft 9, pin 10, index dial 11, fixed plate 12, dowel hole 13.Equipped with rotary steering TT&C system
Rotary test rack 2 is mounted on main shaft 9 by pin 10, and rotary test rack 2 can easily convert different hole deviation angles,
According to required calibration angle, index dial 11 is set, currently every 15 ° of settings one can fix position, each fixation as needed
Position needs stringent calibration, demarcates position and indicates on index dial 11.1 mounting plate 12 of rack, fixed plate are demarcated in hole deviation
Dowel hole 13 is drilled out on 12, after rotary test rack 2 goes to set angle, hole deviation demarcates the dowel hole 13 on rack 1
It is overlapped with the dowel hole on rotary test rack 2, the positioning pin made of beryllium-bronze material is fixed rotary test rack 2.
The bottom plate 6 that hole deviation is demarcated on rack 1 uses ledrite hpb59-1, both the strong, mechanics using the machinability of ledrite
Functional feature also strengthens the weight of bottom plate 6, enhances the stability of entire experimental provision, front side board 7 and back side panel
8 dig out large square slot in aluminium different location to further mitigate weight using the aluminium without magnetic disturbance.Hole deviation calibrating table
Frame 1 is fixed on the ground with fixed screw, is corrected when fixed using level meter, is guaranteed that the angle of whole system is steady.Positioning pin
Using beryllium-bronze material；It has good casting character and non magnetic.
As shown in figure 3, rotary test rack 2 includes：Pedestal 14, direct-flow deceleration electric motor 15, shaft coupling 16, grating encoder
17, skeleton 18, gland 19, slip ring 20, spindle hole 21, location hole 22 are tested.Pedestal 14 and test skeleton 18 are all dry using no magnetic
The aluminium disturbed, i.e., it is easy to process, so that rotary test rack 2 is mitigated weight.By shaft coupling 16 by direct-flow deceleration electric motor 15
Output shaft is connected with test 18 connecting shaft of skeleton, drives test skeleton 18 to rotate using direct-flow deceleration electric motor 15, in shaft coupling
On grating encoder 17 is installed, the decoding data of decoder in grating encoder 17 is transported in computer module 4 by slip ring 20
Decoder upper computer software, the information such as tool-face, acceleration, revolving speed are shown and are deposited in real time.It is decoded in grating encoder 17
The output square-wave pulse of device, by set initial position, reset rotary encoder, computer module 4 can real-time display go out testing stand
Frame rotary position information, to verification test algorithm.
In rotary steerable tool engineer application, rotary speed and the control precision correlation in system tool face are strong；With
The increase of rotary speed, if tool sample rate remains unchanged, the resolution ratio of tool is deteriorated, can if improving sample rate
To improve resolution ratio.Influence of the raising of tool resolution to tool control precision is apparent.If it is considered that tool motor
Revolving speed, then the revolving speed of rotary steerable tool also may be up to 180~200 r/min.Therefore the direct-flow deceleration electric motor 15 selected is defeated
Revolving speed reaches 200 r/min, power 300w out.
As shown in figure 4, test skeleton 18 includes：Rotation sensing tank 24, processing circuit slot 25, rotation sensor 26, place
Manage circuit 27, indicator light 28.Test skeleton 18 is compressed by gland 19, is fixed on pedestal 14, and direct-flow deceleration electric motor 15 drives
It tests skeleton 18 to rotate, for test skeleton 18 around central axis with speed 0-180rpm rotation, revolving speed is adjustable.Rotation sensor 26 is installed
In rotation sensing tank 24, it is located at test 18 outer of skeleton, the basic position for simulating sensor in rotary steerable tool.
Influence of the selection of rotation sensor 26 to entire control precision is significant in rotary steerable tool system.In conjunction with rotation
It is oriented to down hole tool system own characteristic, selection is made of a high speed three axle magnetometer, triaxial accelerometer, high speed telemetry circuit
Rotation sensor 26, tool-face rotation position is calculated using magnetometer measures Geomagnetism Information, then by magnetometer, acceleration
Measurement measures geomagnetic parameter and weight parameter, completes the measurement to tool attitude parameter by processing circuit.
Since underground TT&C system is mounted on drill string, drill bit is driven jointly by drill string and underground bolt special, is measured
In the process, drill string revolving speed is lower, therefore can satisfy control using Magnetic tools face and require, and due to measuring tool face angle
Speed is fast, and bottom drilling assembly rotation will not have an impact it.Hole angle measurement accuracy ± 0.1 ° of rotation sensor, orientation
Angular measurement precision ± 1 °, magnetic tool face azimuth measurement accuracy ± 5 °, 1 ° of resolution ratio.
Processing circuit 27 is rotary steering down hole tool system control centre, at posture parameter measurement data
Reason, control method calculate, control error revising and compensating, control amount export, key parameter storage in underground is supervised with playback, oneself state
Depending on and with mwd system real-time communication etc..For the precision for improving tool control system, processing circuit uses motor sieve of high speed
Microprocessor is drawn, CPU dominant frequency works in 40 MHz, ensure that the rapidity of system, provides guarantor to improve systematic sampling rate
Card.
3 ribs that indicator light 28 simulates rotary steerable tool, receiving area are installed every 120 ° around test skeleton 18
The control signal for managing circuit 27 can intuitively show position and the duration of rib expenditure by the flashing of indicator light 28,
Further demonstrate that the working condition of TT&C system.
Claims (6)
1. a kind of rotary steering measurement and control system experiment device, it is characterized in that including：Hole deviation demarcates rack, rotary test rack, electricity
Source control module, computer module and slip ring line；Wherein, hole deviation calibration rack includes the frame body of bottom plate and front and back side plate composition,
Main shaft is set on frame body, and main shaft extension end is connected with index dial, and rotary test rack is fixed between the side plate of front and back
On main shaft；Rotary test rack includes pedestal, direct-flow deceleration electric motor, shaft coupling, grating encoder, test skeleton, gland, cunning
Ring, direct-flow deceleration electric motor output shaft are connected by shaft coupling with test skeleton connecting shaft, the connecting shaft of gland and test skeleton
Test skeleton is simultaneously fixed on the base by rotatable engagement, and grating encoder is mounted on shaft coupling, and slip ring and grating encoder cooperation will
Data are defeated to be transferred to computer module by slip ring line；It tests skeleton and is equipped with rotation sensing tank and rotation sensor, processing electricity
Road slot and processing circuit, indicator light；Power management module is connected to rotary test rack by slip ring line, and to rotatory testboard
All electric power supplies on frame；Computer module passes through the electric component on slip ring line and power management module and rotary test rack
Establish data and control, communication connection.
2. rotary steering measurement and control system experiment device according to claim 1, it is characterized in that：Slow down in slip ring line and direct current
Emergency brake is also connected between motor.
3. rotary steering measurement and control system experiment device according to claim 1 or 2, it is characterized in that：Hole deviation demarcates rack
Fixed plate is also connected between the side plate of front and back, fixed plate has dowel hole；It also is provided on the pedestal of rotary test rack identical
Hole deviation is demarcated rack and rotary test rack at different angles from detent fit by the location hole of diameter, dowel hole and location hole
Degree positioning.
4. rotary steering measurement and control system experiment device according to claim 3, it is characterized in that：Rotation sensor is added by three axis
Speed meter, high speed telemetry circuit and a high speed three axle magnetometer composition, are installed on test skeleton outer.
5. rotary steering measurement and control system experiment device according to claim 4, it is characterized in that：The side plate of hole deviation calibration rack
Using nonmagnetic steel, the bottom plate that hole deviation demarcates rack uses ledrite hpb59-1, and rotary test rack uses aluminium, including main shaft
With pin, positioning pin mechanical connecting element all using green beryllium copper material.
6. rotary steering measurement and control system experiment device according to claim 5, it is characterized in that：Test skeleton around every
120 ° of installation indicator lights.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510724489.1A CN106639875B (en) | 2015-10-30 | 2015-10-30 | A kind of rotary steering measurement and control system experiment device |
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| CN201510724489.1A CN106639875B (en) | 2015-10-30 | 2015-10-30 | A kind of rotary steering measurement and control system experiment device |
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| CN106639875A CN106639875A (en) | 2017-05-10 |
| CN106639875B true CN106639875B (en) | 2018-11-16 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107340403B (en) * | 2017-06-09 | 2023-05-16 | 中国科学院地质与地球物理研究所 | Method and device for controlling rotation speed of electric calibration turntable and measuring tool face angle |
| CN107395449B (en) * | 2017-06-15 | 2021-09-24 | 大连理工大学 | Ground experiment device of rotary steering drilling equipment communication system and use method thereof |
| CN110595817B (en) * | 2019-09-24 | 2021-05-04 | 中国石油集团西部钻探工程有限公司 | Downhole tool rotation condition simulation platform |
| CN115112153B (en) * | 2022-08-30 | 2023-01-20 | 中国石油天然气集团有限公司 | Indoor simulation calibration device for double-horizontal-well magnetic steering measurement |
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| CN202300363U (en) * | 2011-09-30 | 2012-07-04 | 中国海洋石油总公司 | Measurement and control device for rotary steering drilling system |
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| CN205172431U (en) * | 2015-10-30 | 2016-04-20 | 中石化石油工程技术服务有限公司 | System experiment device is observed and controled to rotatory direction |
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| CN101476462A (en) * | 2008-12-22 | 2009-07-08 | 铁道第三勘察设计院集团有限公司 | Measurement while drilling for engineering geological drilling |
| CN202300363U (en) * | 2011-09-30 | 2012-07-04 | 中国海洋石油总公司 | Measurement and control device for rotary steering drilling system |
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Effective date of registration: 20220207 Address after: 100029 Chaoyang District, Beijing Hui Xin Street six, Twelfth level. Patentee after: SINOPEC OILFIELD SERVICE Corp. Patentee after: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee after: Sinopec Jingwei Co.,Ltd. Patentee after: Geological measurement and Control Technology Research Institute of Sinopec Jingwei Co.,Ltd. Address before: 100101 Beichen West Road, Chaoyang District, Beijing 8 Beichen world center, block A 703. Patentee before: SINOPEC OILFIELD SERVICE Corp. Patentee before: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee before: SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD. DRILLING TECHNOLOGY Research Institute |
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