CN106639875A - Experimental device of rotation steering measurement and control system - Google Patents
Experimental device of rotation steering measurement and control system Download PDFInfo
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- CN106639875A CN106639875A CN201510724489.1A CN201510724489A CN106639875A CN 106639875 A CN106639875 A CN 106639875A CN 201510724489 A CN201510724489 A CN 201510724489A CN 106639875 A CN106639875 A CN 106639875A
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Abstract
The invention discloses an experimental device of rotation steering measurement and control system for indoor application. The system comprises a well oblique calibration platform, a rotation test platform frame, a power management module, a micro-computer module, a slip ring line, and an emergency brake. The analog rotation steering measurement and control system is installed on the rotation test platform frame, and driven by a DC reducing motor located on the rotation test platform frame. The rotation steering measurement and control system measures the well obliqueness, rotation speed, tool surface and other attitude signals in a real-time mode, modulates the signals, and sends the signals to the micro-computer module, achieves the data and control communication between the rotation test platform frame and the externally connected micro-computer. The rotation test platform frame is integrally fixed on the well oblique calibration platform, and achieves the measuring and calibrating of the sensors in the rotation steering measurement and control system. The experimental device of rotation steering measurement and control system provides the strong technical guarantee to the correct measuring and precise control of the rotation steering measuring and control system under the rotation work condition.
Description
Technical field
The present invention relates to rotary steerable drilling system field, more particularly to a kind of indoor experimental apparatus and method of testing of rotary steering TT＆C system.
Background technology
Rotary steerable drilling system is the equipment in directional well field, can be greatly enhanced directional well operating efficiency and job success ratio, is one of trend of following directional well technology development.Rotary steerable drilling system can be divided into pushing type and directional type by structural principle point.Pushing type is exactly the duty parameter of Real-time Collection down-hole, calculates current hole angle and tool face azimuth, controls three or more ribs and opens the backup borehole wall to be oriented to.
Open source literature retrievals of the Jing to prior art finds, although indicating the operation principle and investigating method of rotary steering drilling tool TT＆C system, but, to ensure that rotary steering TT＆C system is accurately measured and realized precise control under rotation operating mode, the exploitation for being simulated the indoor experimental apparatus for rotating operating mode is needed.
The content of the invention
Present invention aim at providing a kind of indoor experimental apparatus of rotary steering TT＆C system, simulation downhole tool rotation, complete the measurement to instrument attitude parameter, and by the contrast with standard hole deviation, conventional tool face, change for algorithm in rotary steering TT＆C system and provide strong technical guarantee with control system optimization.
Technical scheme includes：Hole deviation demarcates stand, rotary test stand, power management module, computer module and slip ring line.Wherein, hole deviation demarcates stand includes base plate and the in front and back frame body of side plate composition, and main shaft is arranged on frame body, and main shaft external part is connected with index dial, and rotary test stand is fixed on the main shaft between before and after side plate.Rotary test stand includes base, direct-flow deceleration electric motor, shaft coupling, grating encoder, test skeleton, gland, slip ring, direct-flow deceleration electric motor output shaft is connected by shaft coupling with test skeleton connecting shaft, gland is fixed on base with the connecting shaft rotatable engagement for testing skeleton and by test skeleton, grating encoder is arranged on shaft coupling, and slip ring and grating encoder to coordinate and be transferred to computer module by slip ring line by data are defeated.Test skeleton is provided with rotation sensing tank and turn-sensitive device, process circuit groove and process circuit, indicator lamp.Power management module is connected to rotary test stand by slip ring line, and to all electric power supplies on rotary test stand.Computer module sets up data by slip ring line and the electric component on power management module and rotary test stand and control, communication are connected.
Such scheme is further included：
Emergency brake is also associated between slip ring line and direct-flow deceleration electric motor.
Fixed plate is also associated between side plate before and after hole deviation demarcation stand, fixed plate carries dowel hole；The location hole of same diameter also is provided with the base of rotary test stand, dowel hole and location hole position hole deviation demarcation stand and rotary test stand in different angles from detent fit.
Turn-sensitive device is made up of a high speed three axle magnetometer, triaxial accelerometer, high speed telemetry circuit, and it is installed on test skeleton outer.
Hole deviation is demarcated the side plate of stand and adopts nonmagnetic steel, hole deviation to demarcate the base plate of stand and adopt ledrite hpb59-1, rotary test stand to adopt aluminium, including main shaft and pin, the mechanical connecting element of alignment pin all using blue or green beryllium copper material.
Indicator lamp is installed every 120 ° around test skeleton.
The present invention is had an advantageous effect in that due to taking above technical scheme：Experiments verify that, this experimental provision is used for the demarcation and test of sensor in rotary steering TT＆C system, can complete following task：(1) down-hole rotation operating mode is simulated；（2）Real-time hole angle and tool face azimuth that collection rotary steering TT＆C system is calculated；（3）The real-time hole angle that Bench calibration rotary steering TT＆C system is calculated is demarcated by hole deviation；(4) the real-time tool face angle contrast that grating encoder accurately calculates current tool face angle and calculates with rotary steering TT＆C system；(5) current hole angle and tool face azimuth are calculated, sets rib appropriation position, realize the adjustment of rotary steerable tool spatial attitude；(6) real-time storage of data and upload.Using it so that measuring in TT＆C system more accurately, while the control of the appropriation position and duration to rib is also more accurate.
Description of the drawings
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 stand.
Fig. 3 is rotary test stand schematic diagram.
Fig. 4 is test skeleton schematic diagram.In figure：
1st, hole deviation demarcates stand 2, rotary test stand 3, power management module 4, computer module
5th, slip ring line
6th, base plate
7th, front side board
8th, back side panel
9th, main shaft
10th, pin
11st, index dial
12nd, fixed plate
13rd, alignment pin
14th, base
15th, direct-flow deceleration electric motor 16, shaft coupling
17th, grating encoder
18th, skeleton 19, gland is tested
20th, slip ring
21st, spindle hole 22, location hole 23, emergency brake
24th, rotation sensing tank
25th, process circuit groove 26, turn-sensitive device 27, process circuit
28th, indicator lamp.
Specific embodiment
As shown in figure 1, rotary steering measurement and control system experiment device proposed by the present invention includes several parts：Hole deviation demarcates stand 1, rotary test stand 2, power management module 3, computer module 4, slip ring line 5, emergency brake 23.Simulation rotary steering TT＆C system is arranged on rotary test stand 2, and power management module 3 is powered by the whole rotary test stand 2 of 5 pairs, slip ring line, including direct-flow deceleration electric motor 15, rotary steering TT＆C system and grating encoder 17；In addition, rotary steering TT＆C system is transferred to computer module 4 after the signals such as the hole deviation for collecting, rotating speed, tool-face are nursed one's health by slip ring, data and communication control between rotary test stand 2 and external computer module 4 are realized.In addition, emergency brake 23 is installed in experimental provision fit on, and to emergency brake, in brake process, the stall of direct-flow deceleration electric motor 1, from consideration overcurrent protection ability during motor, it is ensured that motor normal work.Emergency brake carries out self-actuating brake by computer module 4 according to control signal, and braking time is associated with TT＆C system control signal.
Power management module 3 is responsible for alternating current is carried out into rectifying and voltage-stabilizing being treated as after direct current, then carries out voltage conversion and process that DC voltage is respectively converted into+15v, -15v, 5V, and for TT＆C system required electric power is provided.
Due to the fluxgate measurement used in measurement process of rotary steering TT＆C system, fluxgate is big by iron, the interference of magnetic material, in order to avoid magnetic disturbance affects accuracy of measurement, whole experimental provision is made using non-magnetic material, wherein hole deviation is demarcated stand 1 and adopts nonmagnetic steel, rotary test stand 2 adopts the aluminium without magnetic disturbance, various fixed bolt, nuts etc. all using blue or green beryllium copper material.
Fig. 2 is the side view that hole deviation demarcates stand 1.As shown in Figure 1, 2, hole deviation is demarcated stand 1 and is included：Base plate 6；Front side board 7, back side panel 8, main shaft 9, pin 10, index dial 11, fixed plate 12, dowel hole 13.Rotary test stand 2 equipped with rotary steering TT＆C system is arranged on main shaft 9 by pin 10, rotary test stand 2 can easily convert different hole deviation angles, according to required demarcation angle, index dial 11 is set, one fixed position currently can be set as needed per 15 °, each fixed position needs strict demarcation, calibration position to indicate on index dial 11.The mounting plate 12 of stand 1 is demarcated in hole deviation, dowel hole 13 is got out in fixed plate 12, after rotary test stand 2 goes to set angle, the dowel hole 13 that hole deviation is demarcated on stand 1 overlaps with the dowel hole on rotary test stand 2, and the alignment pin made of beryllium-bronze material fixes rotary test stand 2.
The base plate 6 that hole deviation is demarcated on stand 1 adopts ledrite hpb59-1, both machinability using ledrite is strong, good mechanical properties the characteristics of, also the weight of base plate 6 is strengthened, enhance the stability of whole experimental provision, front side board 7 and back side panel 8 adopt the aluminium without magnetic disturbance, in order to further mitigate weight, in aluminium diverse location large square groove is dug out.Hole deviation is demarcated stand 1 and is fixed on the ground with fixed screw, is corrected using level meter when fixed, it is ensured that the angle of whole system is steady.Alignment pin adopts beryllium-bronze material；It has good casting character and non magnetic.
As shown in figure 3, rotary test stand 2 includes：Base 14, direct-flow deceleration electric motor 15, shaft coupling 16, grating encoder 17, test skeleton 18, gland 19, slip ring 20, spindle hole 21, location hole 22.Base 14 and test skeleton 18 all adopt the aluminium without magnetic disturbance, that is, be easy to processing, also make rotary test stand 2 mitigate weight.The output shaft of direct-flow deceleration electric motor 15 is connected with the test connecting shaft of skeleton 18 by shaft coupling 16, test skeleton 18 is driven to rotate using direct-flow deceleration electric motor 15, grating encoder 17 is installed on shaft coupling, the decoder upper computer software being transported to the decoding data of decoder in grating encoder 17 by slip ring 20 in computer module 4, in real time by the presentation of information such as tool-face, acceleration, rotating speed and deposit.The output square-wave pulse of decoder in grating encoder 17, by setting original position, reset rotary encoder, computer module 4 can in real time show test-bed rotary position information, to checking test algorithm.
In rotary steerable tool engineer applied, rotary speed is strong with the control accuracy correlation in system tool face；With the increase of rotary speed, if instrument sample rate keeps constant, the resolution ratio of instrument is deteriorated, if improving sample rate, can improve resolution ratio.Impact of the raising of tool resolution to instrument control accuracy is obvious.If it is considered that the rotating speed of tool motor, then the rotating speed of rotary steerable tool also may be up to 180～200 r/min.Therefore the output speed of direct-flow deceleration electric motor 15 selected reaches 200 r/min, and power is 300w.
As shown in figure 4, test skeleton 18 includes：Rotation sensing tank 24, process circuit groove 25, turn-sensitive device 26, process circuit 27, indicator lamp 28.Test skeleton 18 is compressed by gland 19, is fixed on base 14, and direct-flow deceleration electric motor 15 drives test skeleton 18 to rotate, and test skeleton 18 is around central shaft with the rotation of speed 0-180rpm, and rotating speed is adjustable.Turn-sensitive device 26 is arranged in rotation sensing tank 24, the position of sensor in test skeleton 18 outer, basic simulation rotary steerable tool.
Impact of the selection of turn-sensitive device 26 to whole control accuracy is notable in rotary steerable tool system.With reference to rotary steering down hole tool system own characteristic, from the turn-sensitive device 26 being made up of a high speed three axle magnetometer, triaxial accelerometer, high speed telemetry circuit, tool-face rotation position is calculated using magnetometer measures Geomagnetism Information, again geomagnetic parameter and weight parameter are measured by magnetometer, acceleration measuring, through process circuit the measurement to instrument attitude parameter is completed.
Because down-hole TT＆C system is arranged on drill string, drill bit is by drill string and down-hole bolt special jointly driving, in measurement process, drill string rotating speed is relatively low, can meet control hence with Magnetic tools face to require, and because the speed of survey tool face angle is fast, BHA rotation will not produce impact to it.Hole angle certainty of measurement ± 0.1 ° of turn-sensitive device, azimuth determination precision ± 1 °, magnetic tool face azimuth certainty of measurement ± 5 °, 1 ° of resolution ratio.
Process circuit 27 is rotary steering down hole tool system control centre, is calculated for the process of posture parameter measurement data, control method, control error revising and compensating, controlled quentity controlled variable output, key parameter storage in down-hole is with playback, oneself state monitoring and with mwd system real-time communication etc..To improve the precision of tool control system, process circuit employs Motorola's microprocessor of high speed, and CPU dominant frequency is operated in 40 MHz, it is ensured that the rapidity of system, and to improve systematic sampling rate guarantee is provided.
3 ribs of the simulation rotary steerable tool of indicator lamp 28 are installed around test skeleton 18 every 120 °, the control signal of receiving processing circuit 27, position and the duration of rib expenditure can intuitively be shown by the flicker of indicator lamp 28, the working condition of TT＆C system is further demonstrated that.
Claims (6)
1. a kind of rotary steering measurement and control system experiment device, is characterized in that including：Hole deviation demarcates stand, rotary test stand, power management module, computer module and slip ring line；Wherein, hole deviation demarcates stand includes base plate and the in front and back frame body of side plate composition, and main shaft is arranged on frame body, and main shaft external part is connected with index dial, and rotary test stand is fixed on the main shaft between before and after side plate；Rotary test stand includes base, direct-flow deceleration electric motor, shaft coupling, grating encoder, test skeleton, gland, slip ring, direct-flow deceleration electric motor output shaft is connected by shaft coupling with test skeleton connecting shaft, gland is fixed on base with the connecting shaft rotatable engagement for testing skeleton and by test skeleton, grating encoder is arranged on shaft coupling, and slip ring and grating encoder to coordinate and be transferred to computer module by slip ring line by data are defeated；Test skeleton is provided with rotation sensing tank and turn-sensitive device, process circuit groove and process circuit, indicator lamp；Power management module is connected to rotary test stand by slip ring line, and to all electric power supplies on rotary test stand；Computer module sets up data by slip ring line and the electric component on power management module and rotary test stand and control, communication are connected.
2. rotary steering measurement and control system experiment device according to claim 1, is characterized in that：Emergency brake is also associated between slip ring line and direct-flow deceleration electric motor.
3. rotary steering measurement and control system experiment device according to claim 1 and 2, is characterized in that：Fixed plate is also associated between side plate before and after hole deviation demarcation stand, fixed plate carries dowel hole；The location hole of same diameter also is provided with the base of rotary test stand, dowel hole and location hole position hole deviation demarcation stand and rotary test stand in different angles from detent fit.
4. rotary steering measurement and control system experiment device according to claim 3, is characterized in that：Turn-sensitive device is made up of a high speed three axle magnetometer, triaxial accelerometer, high speed telemetry circuit, and it is installed on test skeleton outer.
5. rotary steering measurement and control system experiment device according to claim 4, is characterized in that：Hole deviation is demarcated the side plate of stand and adopts nonmagnetic steel, hole deviation to demarcate the base plate of stand and adopt ledrite hpb59-1, rotary test stand to adopt aluminium, including main shaft and pin, the mechanical connecting element of alignment pin all using blue or green beryllium copper material.
6. rotary steering measurement and control system experiment device according to claim 5, is characterized in that：Indicator lamp is installed every 120 ° around test skeleton.
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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 true CN106639875A (en) | 2017-05-10 |
| CN106639875B CN106639875B (en) | 2018-11-16 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107340403A (en) * | 2017-06-09 | 2017-11-10 | 中国科学院地质与地球物理研究所 | A kind of electronic demarcation turntable rotating speed control and tool face azimuth measuring method and device |
| CN107395449A (en) * | 2017-06-15 | 2017-11-24 | 大连理工大学 | The ground experiment device and its application method of a kind of rotary steerable drilling device talk system |
| CN110595817A (en) * | 2019-09-24 | 2019-12-20 | 中国石油集团西部钻探工程有限公司 | Downhole tool rotation condition simulation platform |
| CN115112153A (en) * | 2022-08-30 | 2022-09-27 | 中国石油天然气集团有限公司 | Indoor simulation calibration device and method for double-horizontal-well magnetic steering measurement |
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| US20130175092A1 (en) * | 2012-01-05 | 2013-07-11 | Merlin Technology, Inc. | Directional drilling target steering apparatus and method |
| 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 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107340403A (en) * | 2017-06-09 | 2017-11-10 | 中国科学院地质与地球物理研究所 | A kind of electronic demarcation turntable rotating speed control and tool face azimuth measuring method and device |
| CN107395449A (en) * | 2017-06-15 | 2017-11-24 | 大连理工大学 | The ground experiment device and its application method of a kind of rotary steerable drilling device talk system |
| 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 |
| CN110595817A (en) * | 2019-09-24 | 2019-12-20 | 中国石油集团西部钻探工程有限公司 | Downhole tool rotation condition simulation platform |
| 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 |
| CN115112153A (en) * | 2022-08-30 | 2022-09-27 | 中国石油天然气集团有限公司 | Indoor simulation calibration device and method for double-horizontal-well magnetic steering measurement |
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| CN106639875B (en) | 2018-11-16 |
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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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