CN201747359U - Mechanical wireless drilling-followed inclinometer - Google Patents
Mechanical wireless drilling-followed inclinometer Download PDFInfo
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- CN201747359U CN201747359U CN2010205118223U CN201020511822U CN201747359U CN 201747359 U CN201747359 U CN 201747359U CN 2010205118223 U CN2010205118223 U CN 2010205118223U CN 201020511822 U CN201020511822 U CN 201020511822U CN 201747359 U CN201747359 U CN 201747359U
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- drilling
- wireless drilling
- connecting sleeve
- inclinometer
- adapter sleeve
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Abstract
A mechanical wireless drilling-followed inclinometer used for petroleum drilling adopts a slender rod shaped structure, and mainly comprises an impulse generating device, a guide sleeve, a lifting mechanism, a measuring device, an upper connecting sleeve, a damping device, a balancing mechanism, a bottom connecting sleeve, a base, a drill collar connector and the like. The base is arranged at the bottom of the inclinometer; the bottom connecting sleeve, the upper connecting sleeve and the guide sleeve are sequentially connected to the outer part of the inclinometer from bottom to top through threads; the balancing mechanism is mounted in the bottom connecting sleeve; the damping device is arranged on the balance mechanism and fixed with the bottom connecting sleeve; and the measuring device is connected with the damping device and is upwardly and sequentially connected with the lifting mechanism and the impulse generating device. The utility model adopts the method of combining a mechanical structure with an electronic part and dispenses with complicated parts, thereby lowering the processing difficulty and having the capability of measurement while drilling, and the well deflection can be measured under the condition of all well depths at any time; and the utility model has the advantages that the measuring accuracy is high, the measuring time is short, the drilling rate is improved, and the drilling cost is saved.
Description
Technical field
The utility model belongs to drilling engineering field in oil, colliery and the geological prospecting, be a kind of be used for that drilling process hole deviation attitude parameter measures with boring the deviational survey instrument.
Background technology
At present, the inclinometer that known wellbore construction is used mainly contains photographic-type inclinometer, electronics single-shot inclinometer, EMI, steering tool and wireless drilling inclinometers (MWD).Shortcomings such as the inclinometer of the series of taking a picture is operated inconvenience owing to using, and precision is low, on-the-spot use is fewer and feweri, is just progressively replaced by other inclinometer.Electronics single-shot inclinometer, EMI, steering tool and wireless drilling inclinometers inclinometers such as (MWD) is to utilize electronic component to measure hole deviation and orientation, these instruments are fit to different occasions, wherein the electronics single-shot inclinometer is a kind of straight well deviational survey instrument of on-the-spot extensive use, but this apparatus measures needs the time long, be subjected to the influence of temperature, well depth and property of drilling fluid etc. bigger, service condition requires harsh, and can not realize measurement while drilling, in use have significant limitation.Steering tool and wireless drilling inclinometers (MWD) biggest advantage is exactly can measure hole deviation and orientation in drilling process with boring deviational survey, but its fathom can only be in 4000 meters, and be applied to horizontal well more.
In last century the seventies initial stage and the beginning of this century, abroad, the directional tool of pure frame for movement has appearred in domestic priority, this type of inclinometer is mainly used in the measurement of straight well hole deviation, measuring increment is 0.5 °, certainty of measurement ± 0.5 °, 0.5 °～10 ° of measurement categorys can be passed through manual adjustment after trip-out.Its pendulum adopts " go up and hang " location, the tapered extension of locating snap ring, and the angle of pendulum center line and centre line equals hole angle all the time, and angle changes greatly, the unitary construction complexity.
Summary of the invention
In order to solve problem such as pendulum measurement structure complexity in the Purely mechanical directional tool, the utility model provides a kind of mechanical wireless drilling inclinometers, this inclinometer is a kind of instrument of being made up of frame for movement and electronic section, relates to machinery, electronics, motor and mud pulse technology.This inclinometer hole deviation The data deviation sensor is measured, and carries out action by parts such as control circuit control elevating mechanisms, and apparatus subject is a mechanical structured member, during use instrument is placed in the drill collar near drill bit the measurement while drilling hole deviation.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of elongated rod shaped structure, mainly form by pulse generating unit, fairlead, elevating mechanism, measurement mechanism, upper joint sleeve, damping unit, balanced controls, bottom adapter sleeve, base and drill collar joint etc.It is characterized in that: base at instrument bottom, the instrument outside is from bottom to top by screw thread be linked in sequence bottom adapter sleeve, upper joint sleeve and fairlead; Balanced controls are contained in the adapter sleeve of bottom, upwards are damping unit, and itself and bottom adapter sleeve are fixed, and measurement mechanism is connected with damping unit, and upstream sequence connects elevating mechanism and pulse generating unit.
The beneficial effects of the utility model are that the mode that adopts frame for movement and electronic section to make up does not have complicated parts, has reduced difficulty of processing, can measurement while drilling, can any at any time well depth survey hole deviation, the certainty of measurement height, the time of measuring is short, improves bit speed, saves drilling cost.
Description of drawings
Fig. 1 is a kind of mechanical wireless drilling inclinometers section of structure.
Fig. 2 is balanced controls, damping unit and measurement mechanism parts sectional view.
Fig. 3 is elevating mechanism, pulse generating unit and drill collar joint parts sectional view.
The specific embodiment
As shown in Figure 1, 2, 3, bottom adapter sleeve 8, upper joint sleeve 19, fairlead 21, chucking end cap 24 are formed the shell of instrument, sealing ring together with piston 10, piston rod 23 and each junction is formed an airtight chamber, and damped device 2 is divided into closed chamber and following closed chamber two parts, and inside is full of lubrication oil.The elevating mechanism 4 of instrument and measurement mechanism 3 are in last airtight chamber, and the part of these mechanisms all separates with the outside, and sufficient lubrication.
Balanced controls 1 are made up of piston spring 9, piston 10, have seal groove to be used to install sealing ring on the piston 10, pack in the piston spring 9 in the bottom, realize the balance of instrument external and internal pressure by the action of piston 10.
Damping unit 2 is a column structure, is made up of damping seat 11, dampened disk 12 etc., and is fixed on the adapter sleeve 8 of bottom, and fluid because the damping hole effect reduces the flow of fluid, thereby makes pulse valve produce downward speed behind multilayer dampened disk 12 during work.
Measurement mechanism 3 is the major part of instrument, and the bottom is connected with damping unit 2, and it is made up of deviation sensor 13, circuit board support 14, control circuit board 15, high-temperature battery 16.The hole deviation data are measured by deviation sensor 13, and certainty of measurement can reach 0.2 °, and carry out signal through control circuit board 15 then and handle, and then 4 actions of control elevating mechanism.The generation of each hole deviation pulse all will be subjected to the control of measurement mechanism 3.
Elevating mechanism 4 is the execution unit of directional survey, form by stator casing 17, rotor magnet 18, lifting control lever 20, pallet 22, piston rod 23, elevating mechanism 4 actions are by motor-driven, on stator casing 17, be wound with coil, energising rear drive rotor magnet 18 rotates, realize the liter of lifting control lever 20 or fall by the screw thread that connects, further drive piston rod 23 knee-actions.The action of elevating mechanism 4 is subjected to control circuit board 15 and deviation sensor 13 controls in the measurement mechanism 3.
Pulse generating unit 5 is in the top of instrument, be connected by dowel fixes with drill collar joint 6, by pulse ring 25, adjust cover 26, go up fixed cover 27, valve head 28 is formed.When piston rod 23 motions, drive valve head 28 motions, through the hole of pulse ring 25, this moment, slurry channel was blocked valve head 28 in motion process, pressure was raise, i.e. pressure pulse.Valve head 28 promptly is the pulse number that produces by the number of pulse ring 25.
As shown in Figure 1 instrument is encased in the drill collar joint 6 during complete machine work, and, then mechanical wireless drilling inclinometers is installed between drill bit and the drill collar together with drill collar joint 6 by dowel fixes.During the beginning drillng operation, slush pump is opened, and mud passes through instrument from top to bottom, at this moment valve head 28 is under the percussion of high-voltage high-speed drilling fluid, promote piston rod 23 and move downward, till the upper/lower positions of valve head 28, instrument is in this state always when normal drillng operation.
When needs are measured hole deviation, at first slush pump cuts out, this moment, vibration reduced, and signal is sent in the vibrating sensor work on the control circuit board 15, and control deviation sensor 13 is started working, measure the hole deviation data, according to the machine operation of hole deviation data control circuit and elevating mechanism 4, drive lifting control lever 20 and move upward then, behind the arrival hole deviation correspondence position, initial position is got back in 20 rotations of lifting control lever, and this moment, valve head 28 was parked in a certain position in the pulse ring 25.During turn on pump, valve head 28 promotes piston rod 23 and moves downward under the percussion of drilling fluid again, moves downward in the process at valve head 28, through the metering hole of pulse ring 25, drilling fluid is raise because of constricted flow pressure, thereby produce pressure pulse.At this moment the pressure sensor on ground can detect pressure pulse signal, can parse the size of hole deviation according to the quantity of pulse signal.
More than be to realize a method of the present utility model, based on other way of realization of this utility model principle within scope of the present utility model.
Claims (6)
1. mechanical wireless drilling inclinometers, it is a kind of elongated rod shaped structure, mainly form by pulse generating unit, fairlead, elevating mechanism, measurement mechanism, upper joint sleeve, damping unit, balanced controls, bottom adapter sleeve, base and drill collar joint etc., it is characterized in that: base at instrument bottom, the instrument outside is from bottom to top by screw thread be linked in sequence bottom adapter sleeve, upper joint sleeve and fairlead; Balanced controls are contained in the adapter sleeve of bottom, upwards are damping unit, and itself and bottom adapter sleeve are fixed, and measurement mechanism is connected with damping unit, and upstream sequence connects elevating mechanism and pulse generating unit.
2. mechanical wireless drilling inclinometers according to claim 1 is characterized in that: measurement mechanism is made up of deviation sensor, circuit board support, control circuit board, high-temperature battery.
3. mechanical wireless drilling inclinometers according to claim 1 is characterized in that: elevating mechanism is made up of stator casing, rotor magnet, lifting control lever, pallet, piston rod, is wound with coil on stator casing.
4. mechanical wireless drilling inclinometers according to claim 1 is characterized in that: pulse generating unit is made up of pulse ring, adjustment cover, last fixed cover, valve head.
5. mechanical wireless drilling inclinometers according to claim 1 is characterized in that: balanced controls are made up of piston spring, piston, and seal groove is arranged on the piston, pack in the piston spring in the bottom.
6. mechanical wireless drilling inclinometers according to claim 1 is characterized in that: damping unit is a column structure, is made up of damping seat, dampened disk etc., and is fixed on the adapter sleeve of bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205118223U CN201747359U (en) | 2010-09-01 | 2010-09-01 | Mechanical wireless drilling-followed inclinometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205118223U CN201747359U (en) | 2010-09-01 | 2010-09-01 | Mechanical wireless drilling-followed inclinometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201747359U true CN201747359U (en) | 2011-02-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205118223U Expired - Fee Related CN201747359U (en) | 2010-09-01 | 2010-09-01 | Mechanical wireless drilling-followed inclinometer |
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| Country | Link |
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| CN (1) | CN201747359U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337882A (en) * | 2011-10-27 | 2012-02-01 | 中国石油集团西部钻探工程有限公司 | Wireless while-drilling compound multipoint instrument |
| CN105041296A (en) * | 2015-07-07 | 2015-11-11 | 侯晋兵 | Drill pipe type track monitor |
| CN105089492A (en) * | 2014-05-04 | 2015-11-25 | 北京六合伟业科技股份有限公司 | Gyroscopic-effect well drilling speed-increasing tool |
| CN114810039A (en) * | 2022-05-12 | 2022-07-29 | 中国地质大学（北京） | Mud pulse signal generating device and inclinometer |
-
2010
- 2010-09-01 CN CN2010205118223U patent/CN201747359U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337882A (en) * | 2011-10-27 | 2012-02-01 | 中国石油集团西部钻探工程有限公司 | Wireless while-drilling compound multipoint instrument |
| CN102337882B (en) * | 2011-10-27 | 2014-09-24 | 中国石油集团西部钻探工程有限公司 | Wireless while-drilling compound multipoint instrument |
| CN105089492A (en) * | 2014-05-04 | 2015-11-25 | 北京六合伟业科技股份有限公司 | Gyroscopic-effect well drilling speed-increasing tool |
| CN105041296A (en) * | 2015-07-07 | 2015-11-11 | 侯晋兵 | Drill pipe type track monitor |
| CN114810039A (en) * | 2022-05-12 | 2022-07-29 | 中国地质大学（北京） | Mud pulse signal generating device and inclinometer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING LIUHE GREATNESS TECHNOLOGY CO., LTD. Free format text: FORMER NAME: BEIJIN LIUHE GREATNESS TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100070 Beijing, Fengtai District, South Fourth Ring Road West, No. 12, building 188, floor 39 Patentee after: Beijing Liuhe Greatness Technology Co., Ltd. Address before: 100070 Beijing, Fengtai District, South Fourth Ring Road West, No. 12, building 188, floor 39 Patentee before: Beijing Liuhe Greatness Technology Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20150901 |
|
| EXPY | Termination of patent right or utility model |