CN205172559U - Rotary tool plane angle testing arrangement - Google Patents
Rotary tool plane angle testing arrangement Download PDFInfo
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- CN205172559U CN205172559U CN201520856295.2U CN201520856295U CN205172559U CN 205172559 U CN205172559 U CN 205172559U CN 201520856295 U CN201520856295 U CN 201520856295U CN 205172559 U CN205172559 U CN 205172559U
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Abstract
The utility model provides a rotary tool plane angle testing arrangement includes: rack, rotatory test rack, position demarcation rack, power module, microcomputer module, sliding ring line, emergency brake ware are demarcated to the hole deviation, observing and controlling ystem installation in rotary tool plane angle is on rotatory test rack, and is rotatory by the direct current reducing motor drive on the rotatory test rack, will rotate the test rack again and fix on the rack is demarcated to the hole deviation, demarcates the rack with the hole deviation at last and fixes on the rack is demarcated in the position. Power module passes through the power supply of the whole rotatory test rack of sliding ring wire pair, and hole deviation, position, rotational speed, tool face azimuth equisignal that rotary tool plane angle test system will be gathered are nursed one's health the back and is transmitted microcomputer module to through the sliding ring, has realized the data between rotatory test rack and the external microcomputer module and has controlled the communication. The utility model discloses a rotary tool plane angle system carries out the accurate measurement, measures the influence factor analysis and realizes that the accurate control provides powerful technical guarantee under rotatory operating mode.
Description
Technical field
The utility model relates to a kind of tool face azimuth test macro in logging while drilling technology field, particularly relates to drilling tool face angular measurement test system under a kind of continuous rotation state.
Background technology
At present, in the measurement while drilling field of oil drilling industry, the connector for logging while drilling abroad measured with directionality and quite ripe with brill orientation Image-forming instrument, efficiently solve and pierce bed boundary identification and forbidden and the explain puzzles under complex geological condition, and effectively can identify that stratigraphic dip and crack are to carry out geosteering and geology decision-making better, create huge economic and social benefit.
Domestic connector for logging while drilling (comprises drill-following natural gamma, resistivity logging while drilling etc.) the market-oriented time of applying more than ten years, in structure design, these connector for logging while drillings are mostly installed a sensor and are occupy drill collar central axis, even if the design of some apparatus structure adopts eccentric structure, but still really do not utilize its orientation response characteristic so far, no matter homogeneous or inhomogeneous formation, measurement response in investigative range is all centered by sensor point, the coefficient result of wellbore institute geodetic layer, delayed to the differentiation life period of geology Parameters variation, cannot in horizontal well, differentiate upper and lower lithologic interface variation characteristic in time and effectively find Complex Reservoir, often the best opportunity entering reservoir is missed, one of them very important reason is exactly that instrument is without throw face angular measurement function.What have certain applications at present is install one or more measuring transducer at drill collar outer wall with drilling orientation measurement instrument, is in the division ensureing to carry out under drilling tool and the relatively-stationary condition in stratum to be measured reservoir characteristics.But the shortcoming existed is: because drilling tool is in slip or inactive state, can not rotary drilling.Along with the increase of institute's drilling well eye hole angle and well displacement, between drilling tool and the borehole wall, frictional resistance obviously increases, and the pressure of the drill cannot effectively be applied on drill bit, bit speed is slack-off, drilling tool glues card risk to be increased, and well drilling depth is limited, and simultaneously the well track that gets out of slipping drilling is irregular.
Utility model content
The utility model object is in order to overcome the problem of prior art, there is provided one can under different hole deviation and different azimuth situation to continuous rotation state under tool face azimuth measure, by the real-time measuring data obtained, can the throw face angular measurement electricity testing device of implementation tool face angular measurement accuracy computation and analysis of Influential Factors.
The technical solution of the utility model is:
A kind of throw face angular measurement electricity testing device comprises: orientation calibration stand, hole deviation demarcate stand, rotary test stand, power module, computer module, slip ring line; Wherein, orientation calibration stand is fixed central spindle on base, mandrel peripheral hardware bearing and bearing holder (housing, cover), arranges heading card and pointer at base or bearing holder (housing, cover) periphery; Hole deviation is demarcated stand and is connected with orientation calibration stand by bearing holder (housing, cover), and hole deviation demarcates the frame body that stand comprises base plate and front and back side plate composition, and frame body arranges main shaft, and main shaft external part is connected with index dial; Rotary test stand is fixed on the main shaft before and after hole deviation demarcation stand between side plate, rotary test stand comprises pedestal and direct-flow deceleration electric motor, shaft coupling, grating encoder, test skeleton, gland, slip ring, direct-flow deceleration electric motor is fixed on pedestal, direct-flow deceleration electric motor output shaft is connected with test skeleton connecting axle, gland with test skeleton connecting axle rotatable engagement and test skeleton is fixed on pedestal, grating encoder is arranged on output shaft, and slip ring coordinates with grating encoder and is transferred to computer module by defeated for data by slip ring line; Test skeleton is provided with rotation sensing tank and turn-sensitive device, treatment circuit groove and treatment circuit; 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 and control by slip ring line and the electric component on power management module and rotary test stand, communication is connected.
Such scheme comprises further:
Turn-sensitive device is by three axle magnetometers, triaxial accelerometer, high speed telemetry circuit form at a high speed.
Direct-flow deceleration electric motor arranges emergency brake.
The bearing holder (housing, cover) neighboring of orientation calibration stand is provided with the pin-and-hole coordinated with base grafting and combines; Also be connected with fixed head between the front and back side plate of hole deviation demarcation stand, fixed head is with dowel hole; The pedestal of rotary test stand is also provided with the locating hole of same diameter, dowel hole and locating hole and hole deviation is demarcated stand to detent fit and rotary test stand is located in different angles.
The side plate that hole deviation demarcates stand adopts nonmagnetic steel, and the base plate that hole deviation demarcates stand adopts ledrite hpb59-1, and rotary test stand adopts aluminium, comprises main shaft and pin, the mechanical connecting element of alignment pin all adopts blue or green beryllium copper material.
The beneficial effects of the utility model are: through experimental verification, this test macro is used for drilling tool and carries out azimuthal measurement under continuous rotation state, because turn-sensitive device is arranged in the U-type groove of test skeleton, test skeleton can be driven during DC speed-reducing energising work together with turn-sensitive device synchronous axial system, measure current tool face azimuth in real time and follow the tool face azimuth of grating encoder accurate Calculation to be analyzed, ensureing accuracy and the real-time of test macro survey data.In addition, this testing arrangement can arrange hole deviation and the orientation of rotary test stand as required, the various combination in hole deviation and orientation is set up by orthogonal test analysis, and under different combinations, the accuracy that tool face azimuth is measured is analyzed, use statistical analysis technique induction and conclusion to go out the measurement influence factor of tool face azimuth.This experimental rig can be changed a job condition by simulation well backspin, realizes well logging during instrument following the directionality that drilling tool to rotate in drilling process truly to measure and borehole image.
Accompanying drawing explanation
Fig. 1 is throw face angular measurement electricity testing device schematic diagram.
Fig. 2 is the lateral view that in Fig. 1, hole deviation demarcates stand and orientation calibration carriage portion.
Fig. 3 is orientation calibration stand top view.
Fig. 4 is rotary test stand schematic diagram.
Fig. 5 is test skeleton schematic diagram.
1, hole deviation demarcates stand, 2, rotary test stand, 3, power module, 4, computer module, 5, slip ring line, 6, base plate, 7, front side board, 8, back side panel, 9, main shaft, 10, pin, 11, hole deviation index dial, 12, fixed head, 13, alignment pin A, 14, pedestal, 15, DC speed-reducing, 16, shaft coupling, 17, grating encoder, 18, test skeleton, 19, gland, 20, slip ring, 21, spindle hole, 22, locating hole, 23, emergency brake, 24, sensing tank, 25, treatment circuit groove, 26, turn-sensitive device, 27, treatment circuit, 28, orientation calibration stand, 29, bearing holder (housing, cover), 30, pointer and heading card, 31, base, 32, bearing, 33, mandrel, 34, alignment pin B, 35, gland.
Detailed description of the invention
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
As shown in Figure 1, the throw face angular measurement electricity testing device that the utility model proposes comprises: hole deviation demarcates stand 1, rotary test stand 2, orientation calibration stand 28, power module 3, computer module 4, slip ring line 5, emergency brake 23.Throw face angular measurement test system is arranged on rotary test stand 2, and power module 3 is powered to whole rotary test stand 2 by slip ring line 5, comprising direct-flow deceleration electric motor 15, throw face angular measurement test system and grating encoder 17; In addition, throw face angular measurement test system is transferred to computer module 4 by slip ring after being nursed one's health by the signals such as the hole deviation collected, orientation, rotating speed, tool-face, achieves the data between rotary test stand 2 and external computer module 4 and communication control.In addition, install emergency brake 23 in experimental facilities fit on, in order to snub, in brake process, DC speed-reducing 1 stall, selects during motor and considers overcurrent protection ability, guarantee that motor normally works.Brake actuator carries out self-actuating brake by computer module 4 according to control signal, and braking time associates with TT&C system control signal.
Power module 3 is responsible for alternating current to carry out after rectifying and voltage-stabilizing is treated as direct current, then carries out voltage transitions process and DC voltage is converted to+15v ,-15v, 5V respectively, for TT&C system provides required electric power.
Because throw face angular measurement test system uses fluxgate to measure in measuring process, fluxgate is large by iron, the interference of magnetic material, in order to avoid magnetic disturbance affects accuracy of measurement, whole experimental facilities adopts non-magnetic material to make, wherein hole deviation is demarcated stand 1 and is adopted nonmagnetic steel, rotary test stand 2 adopts the aluminium without magnetic disturbance, and orientation calibration stand 28 adopts nonmagnetic steel, and various fixing bolt, nut etc. all adopt blue or green beryllium copper material.
As shown in Figure 1, 2, hole deviation demarcation stand 1 comprises base plate 6, front side board 7, back side panel 8, main shaft 9, pin 10, hole deviation index dial 11, fixed head 12, dowel hole 13.The rotary test stand 2 that throw face angular measurement test system is housed is arranged on main shaft 9 by pin 10, rotary test stand 2 can convert different hole deviation angles easily, according to required demarcation angle, hole deviation index dial 11 is set, current can as required every 15 ° a permanent position is set, each permanent position needs strict demarcation, and calibration position indicates on hole deviation index dial 11.Stand 1 mounting plate 12 is demarcated in hole deviation, fixed head 12 gets out dowel hole 13, 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, with the alignment pin that beryllium-bronze material makes, rotary test stand 2 is fixed.
The base plate 6 that hole deviation is demarcated on stand 1 adopts ledrite hpb59-1, both utilized that the machinability of ledrite is strong, the feature of good mechanical properties, also the weight of base plate 6 is strengthened, enhance the stability of whole experimental facilities, front side board 7 and back side panel 8 adopt the aluminium without magnetic disturbance, in order to further weight reduction, dig out large square groove at aluminium diverse location.
As shown in Figure 1,3, orientation calibration stand 28 comprises base 31, mandrel 33, bearing 32, bearing holder (housing, cover) 29, gland 35, heading card and pointer 30, alignment pin 34 forms; Wherein on base 31 with heading card and pointer, orientation calibration stand 28 can convert different orientation as required, and on heading card, every 15 ° arrange a permanent position, and each permanent position needs strict demarcation, and calibration position indicates on index dial.Orientation calibration stand 28 base 31 gets out dowel hole, after rotary test stand 2 goes to setting orientation, alignment pin 34 just to azimuth scale corresponding on heading card, can insert in the dowel hole on orientation calibration stand 28, is fixed by orientation calibration stand 28 by pointer.Orientation calibration stand 28 fixes on the ground with fixed screw, adopts level gauge to correct time fixing, ensures that the angle of whole system is steady.
As shown in Figure 4, rotary test stand 2 comprises: base 14, DC speed-reducing 15, shaft coupling 16, grating encoder 17, test skeleton 18, gland 19, slip ring 20, spindle hole 21, locating hole 22.Base 14 and test skeleton 18 all adopt the aluminium without magnetic disturbance, are namely convenient to processing, also make rotary test stand 2 weight reduction.By shaft coupling 16, direct-flow deceleration electric motor 15 output shaft is connected with test skeleton 18 connecting axle, direct-flow deceleration electric motor 15 is utilized to drive test skeleton 18 to rotate, grating encoder 17 is installed between rotating shaft, by slip ring 20, the decoded data of decoder in grating encoder 17 is transported to the decoder upper computer software in computer module 4, in real time by information displaying and deposits such as tool-face, acceleration, rotating speeds.The output square-wave pulse of decoder in grating encoder 17, by setting original position, reset rotary encoder, computer module 4 can demonstrate test-bed rotary position information in real time, in order to demonstration test algorithm.
In throw engineer applied, the control accuracy correlation in rotary speed and system tool face is strong; Along with the increase of rotary speed, if when instrument sample rate remains unchanged, the resolution ratio of instrument is deteriorated, if improve sample rate, then can improve resolution ratio.The impact of raising on instrument control accuracy of tool resolution is obvious.If consider the rotating speed of tool motor, then the rotating speed of throw also can up to 180 ~ 200r/min.Therefore direct-flow deceleration electric motor 15 output speed selected reaches 200r/min, and power is 300w.
As shown in Figure 5, test skeleton 18 to comprise: rotation sensing tank 24, treatment circuit groove 25, turn-sensitive device 26, treatment circuit 27.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 rotates with speed 0 ~ 180rpm around central axis, and rotating speed is adjustable.Turn-sensitive device 26 is arranged in rotation sensing tank 24, is positioned at test skeleton 18 outer, the position of sensor in basic simulation throw.
In the angular measurement test system of throw face, the impact of selection on whole control accuracy of turn-sensitive device 26 is remarkable.In conjunction with rotary tool system own characteristic, select the turn-sensitive device 26 be made up of high speed three axle magnetometer, triaxial accelerometer, a high speed telemetry circuit, magnetometer measures Geomagnetism Information is utilized to calculate tool-face position of rotation, measure geomagnetic parameter and weight parameter by magnetometer, acceleration measuring again, complete the measurement to instrument attitude parameter through treatment circuit.
Because down-hole TT&C system is arranged on drill string, drill bit is driven jointly by drill string and down-hole bolt special, in measuring process, drill string rotating speed is lower, therefore Magnetic tools face is utilized to meet control overflow, and because the speed at angle, survey tool face is fast, Bottom Hole Assembly (BHA) rotates and can not have an impact to it.Directional survey precision ± 0.1 ° of turn-sensitive device, azimuthal measurement precision ± 1 °, certainty of measurement ± 5 °, tool face azimuth, resolution ratio 1 °.
Treatment circuit 27 is rotary tool system control centres, for the process of posture parameter measurement data, control method calculating, the output of departure correction-compensation, controlled quentity controlled variable, down-hole key parameter storage and reproduce, oneself state monitor and with mwd system real-time communication etc.For improving the precision of tool control system, treatment circuit have employed Motorola's microprocessor at a high speed, and CPU frequency is operated in 40MHz, ensure that the rapidity of system, provides guarantee for improving systematic sampling rate.
Claims (5)
1. a throw face angular measurement electricity testing device, is characterized in that comprising: orientation calibration stand, hole deviation demarcate stand, rotary test stand, power module, computer module, slip ring line; Wherein, orientation calibration stand is fixed central spindle on base, mandrel peripheral hardware bearing and bearing holder (housing, cover), arranges heading card and pointer at base or bearing holder (housing, cover) periphery; Hole deviation is demarcated stand and is connected with orientation calibration stand by bearing holder (housing, cover), and hole deviation demarcates the frame body that stand comprises base plate and front and back side plate composition, and frame body arranges main shaft, and main shaft external part is connected with index dial; Rotary test stand is fixed on the main shaft before and after hole deviation demarcation stand between side plate, rotary test stand comprises pedestal and direct-flow deceleration electric motor, shaft coupling, grating encoder, test skeleton, gland, slip ring, direct-flow deceleration electric motor is fixed on pedestal, direct-flow deceleration electric motor output shaft is connected with test skeleton connecting axle, gland with test skeleton connecting axle rotatable engagement and test skeleton is fixed on pedestal, grating encoder is arranged on output shaft, and slip ring coordinates with grating encoder and is transferred to computer module by defeated for data by slip ring line; Test skeleton is provided with rotation sensing tank and turn-sensitive device, treatment circuit groove and treatment circuit; 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 and control by slip ring line and the electric component on power management module and rotary test stand, communication is connected.
2. throw face according to claim 1 angular measurement electricity testing device, is characterized in that: turn-sensitive device is by three axle magnetometers, triaxial accelerometer, high speed telemetry circuit form at a high speed.
3. throw face according to claim 1 and 2 angular measurement electricity testing device, is characterized in that: on direct-flow deceleration electric motor, arrange emergency brake.
4. throw face according to claim 3 angular measurement electricity testing device, is characterized in that: the bearing holder (housing, cover) neighboring of orientation calibration stand is provided with the pin-and-hole coordinated with base grafting and combines; Also be connected with fixed head between the front and back side plate of hole deviation demarcation stand, fixed head is with dowel hole; The pedestal of rotary test stand is also provided with the locating hole of same diameter, dowel hole and locating hole and hole deviation is demarcated stand to detent fit and rotary test stand is located in different angles.
5. throw face according to claim 4 angular measurement electricity testing device, it is characterized in that: the side plate that hole deviation demarcates stand adopts nonmagnetic steel, the base plate that hole deviation demarcates stand adopts ledrite hpb59-1, rotary test stand adopts aluminium, comprises main shaft and pin, the mechanical connecting element of alignment pin all adopts blue or green beryllium copper material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520856295.2U CN205172559U (en) | 2015-10-30 | 2015-10-30 | Rotary tool plane angle testing arrangement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520856295.2U CN205172559U (en) | 2015-10-30 | 2015-10-30 | Rotary tool plane angle testing arrangement |
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| CN205172559U true CN205172559U (en) | 2016-04-20 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640046A (en) * | 2015-10-30 | 2017-05-10 | 中石化石油工程技术服务有限公司 | Face angle testing device of rotary tool |
| CN107035358A (en) * | 2017-03-20 | 2017-08-11 | 中国科学院地质与地球物理研究所 | A kind of nearly drill bit gamma Imaging Simulation experimental provision |
| CN108612520A (en) * | 2018-05-09 | 2018-10-02 | 中国地质大学（武汉） | A kind of tool face azimuth sensor based on optical-fibre theory |
| CN109025968A (en) * | 2018-06-05 | 2018-12-18 | 华北科技学院 | Level for underground core level calibration device |
-
2015
- 2015-10-30 CN CN201520856295.2U patent/CN205172559U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640046A (en) * | 2015-10-30 | 2017-05-10 | 中石化石油工程技术服务有限公司 | Face angle testing device of rotary tool |
| CN106640046B (en) * | 2015-10-30 | 2023-09-08 | 中石化石油工程技术服务有限公司 | Rotary tool face angle testing device |
| CN107035358A (en) * | 2017-03-20 | 2017-08-11 | 中国科学院地质与地球物理研究所 | A kind of nearly drill bit gamma Imaging Simulation experimental provision |
| CN107035358B (en) * | 2017-03-20 | 2018-07-31 | 中国科学院地质与地球物理研究所 | A kind of nearly drill bit gamma Imaging Simulation experimental provision |
| CN108612520A (en) * | 2018-05-09 | 2018-10-02 | 中国地质大学（武汉） | A kind of tool face azimuth sensor based on optical-fibre theory |
| CN108612520B (en) * | 2018-05-09 | 2020-06-26 | 中国地质大学（武汉） | Tool face angle sensor based on optical fiber principle |
| CN109025968A (en) * | 2018-06-05 | 2018-12-18 | 华北科技学院 | Level for underground core level calibration device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220221 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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| TR01 | Transfer of patent right |