CN212027774U - Vertical well parameter measurement while drilling device - Google Patents
Vertical well parameter measurement while drilling device Download PDFInfo
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- CN212027774U CN212027774U CN202020382991.5U CN202020382991U CN212027774U CN 212027774 U CN212027774 U CN 212027774U CN 202020382991 U CN202020382991 U CN 202020382991U CN 212027774 U CN212027774 U CN 212027774U
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Abstract
The utility model discloses a vertical well parameter measurement while drilling device, which comprises an underground measurement unit and a ground data processing unit, wherein the underground measurement unit is arranged in a non-magnetic drill collar nipple and enters the well while drilling, and the underground measurement unit comprises a directional parameter sensor, a pulse generator, a modulator and a transmitter; the data processing unit is arranged on the ground and comprises a receiver, a processor, a demodulator and a display; the system is characterized in that the orientation parameter sensor adopts an electronic gyro sensor and is used for monitoring orientation parameters such as a well deviation angle, a well deviation azimuth angle and a tool face angle; the data processing unit is also interacted with an operator mobile phone through a public communication network, and automatically receives monitoring value data by compiling a special mobile phone APP; the underground measuring unit is also provided with a pressure sensor for detecting the pressure in the well and taking the pressure as a control signal for sleeping or awakening the underground measuring unit.
Description
Technical Field
The utility model belongs to the technical field of MWD is along with boring to measure, a vertical shaft is along with boring parameter measurement device is related to.
Background
Measurement While Drilling (MWD) technology is an advanced borehole trajectory measurement technology developed in the last century abroad, has become a technology which must be adopted for trajectory control of various directional wells and horizontal wells, and is also an indispensable measurement and control basic platform for the existing rotary steering technology and future intelligent drilling (closed-loop drilling) technology. Since the nineties of the last century, various manufacturers in China have made a great deal of research and development on MWD, and the product performance of the produced product reaches the advanced level of the international similar products, and the produced product becomes the necessary conventional measurement technology and means for various directional wells and horizontal wells.
Basic composition of MWD equipment (apparatus):
-a measurement unit: the device comprises three fluxgates and three gravity accelerometers which are perpendicular to each other and are used for measuring geomagnetic components and gravity components at a measuring point;
data processing and control unit (generically probe): the data measured by the measuring unit is calculated and encoded, and two power supply modes of a battery and slurry power generation are available;
-a data transmission unit: the device is used for transmitting probe data to the ground and mainly has three modes, namely cable transmission, mud pressure pulse wave transmission and formation electromagnetic wave transmission.
-a ground control and processing unit: the system consists of a ground receiving device, a computer and software.
Common characteristics that such a large class of instruments has are: the measuring unit and the probe need to be arranged in one (or more) non-magnetic drill collars for use, and the power supply capacity of continuous and stable high power in the well must be provided; the instrument is in a working state after entering a well (or starting a pump), and has long useless working time, more power consumption, large abrasion and short non-failure working time; the installation and debugging are complex, the requirements on the use environment are strict, and the requirements on the operation skill are high; the instrument has the advantages of complex structure, high price and high use cost, and limits the popularization and application in the monitoring while drilling of a low-cost vertical well or a vertical well section.
Disclosure of Invention
To above problem, the utility model provides a performance is fairly and simple structure, economical and practical, suitability strong, the easy and simple to handle vertical shaft directional parameter measurement device along with boring, its technical solution is:
a vertical well directional parameter measurement while drilling device comprises a downhole measurement unit and a ground data processing unit, wherein the downhole measurement unit is arranged in a non-magnetic drill collar pup joint and enters a well while drilling, and the unit comprises a directional parameter sensor, a pulse generator, a modulator and a transmitter; the data processing unit is arranged on the ground and comprises a receiver, a processor, a demodulator and a display; the system is characterized in that the orientation parameter sensor adopts an electronic gyro sensor and is used for monitoring orientation parameters such as a well deviation angle, a well deviation azimuth angle and a tool face angle.
The data processing unit is further interacted with an operator mobile phone through a public communication network, and automatically receives monitoring value data through compiling a special mobile phone APP.
The underground measuring unit is also provided with a pressure sensor for detecting the pressure in the well and taking the pressure as a control signal for sleeping or awakening the underground measuring device.
The utility model has the advantages that:
(1) the MWD instrument probe is cancelled, and the measuring units are all modularly integrated into the non-magnetic drill collar pup joint, so that the structure is simplified, and the reliability is improved;
(2) an electronic gyroscope is used as a measuring unit, so that the circuit is simplified, and the volume is reduced;
(3) the pulse generator assembly with reliable performance and simple structure is selected, so that the use failure rate is low, and the maintenance cost is low;
(4) the sleep energy-saving design is adopted, and the automatic awakening and automatic measuring functions are realized;
(5) simplifying a ground data processing unit, realizing intelligent demodulation, and replacing a complex MWD ground data processing computer system with a mobile phone APP;
(6) can be used in wells at 125 ℃;
(7) complex assembly on site and well-stopping operation of measurement engineers are not needed;
(8) automatic monitoring and control while drilling is carried out so as to ensure the well track quality of a straight well or a straight well section; (9) the tool is designed and manufactured in a modularized, integrated, intelligent and miniaturized mode, the overall reliability and stability of the tool are improved, and MWD measurement with relatively high cost in a vertical well and a simple directional well is expected to be obtained.
Drawings
FIG. 1 is a block diagram of the placement of a downhole measurement unit;
FIG. 2 is an electrical schematic of a downhole measurement unit;
FIG. 3 is an electrical schematic of the surface data processing unit;
FIG. 4 is a diagram of the relationship of downhole measurement units, surface data processing units, and operational handsets;
the reference numbers in the figures mean: a-a non-magnetic drill collar pup joint, b-a directional parameter sensor, c-a battery, a d-circuit device and an e-pulse generator; 1-electronic gyro sensor, 2-pressure sensor, 3-pulse generator, 4-modulator, 5-emitter, 6-receiver, 7-processor, 8-demodulator and 9-display.
Detailed Description
The device mainly comprises three major parts, namely an underground measuring unit, a ground data processing unit and a drilling tool short section for carrying the underground measuring unit, wherein the specific structures of the three major parts are respectively described as follows.
Referring to fig. 2, the downhole measuring unit comprises an electronic gyro sensor 1, a pressure sensor 2, a pulse generator 3, a modulator 4, and a transmitter 5.
Referring to fig. 1, the downhole measurement unit is arranged in a drilling tool pup joint, wherein a is a non-magnetic drill collar pup joint; b is a directional parameter sensor; c is a battery; d is a circuit device; e is a pulse generator. The drilling tool pup joint is similar to the MWD hanging pup joint, the material, the outer diameter and the two-end buckling type of the drilling tool pup joint accord with API standards, the inner diameter can be adjusted according to the requirements of a mud pulser assembly, and the length is within 3 m. The body of the device is provided with a groove, and the measuring and circuit device and the battery are embedded into the groove. The gyro sensor 1 is an electronic gyro. The pulse generator 3 is selected from the existing domestic slurry pulsers to be a type which is reliable in use, low in energy consumption, simple in maintenance, low in use and manufacturing cost, suitable for large displacement and scouring resistance, and is arranged in a non-magnetic drill collar pup joint a water hole in a hanging or sitting key mode. The pressure sensor 2 is a conventional pressure sensor for MWD.
Referring to fig. 3, the surface data processing unit includes a receiver 6, a processor 7, a demodulator 8, and a display 9.
The working principle of the device is that the electronic gyro sensor 1 detects analog signals of a well inclination angle, a well inclination azimuth angle and a tool face angle, the analog signals are transmitted to a ground data processing unit after being modulated by pulse signals, and the analog signals are demodulated after being processed by a processor, restored into analog signals of detection parameter values and displayed by a display 9. The pressure sensor 2 detects the underground pressure, judges the state of the ground switch pump and takes the state as a control signal for dormancy or awakening of the underground measuring unit.
Referring to fig. 4, the ground data processing unit of the device interacts with an operator mobile phone through a public communication network, compiles a special mobile phone APP, automatically receives the inclination angle, the inclination angle and the tool face data, transmits the data to a company server (or cloud) after inputting the measurement depth, forms a shared measurement database and a shared well track calculation database, and can generate a report form by the mobile phone APP to meet a demand party. The tool surface is displayed by the mobile phone APP to replace a driller display (in a well site where the mobile phone is not allowed to be used, a special simple driller display capable of running the mobile phone APP is additionally designed).
The main functions of the device
(1) And (5) monitoring the vertical well while drilling. In the drilling process of the straight well section, when one single well is drilled and the pump is stopped and connected with another single well, the underground pressure sensor senses the pump to stop, the measuring unit is awakened to start measuring, the well inclination angle and the well inclination azimuth angle data of the measuring point are automatically measured, the pump is started to be stable, the pulse generator is driven to automatically transmit the data to the ground, and then the underground tool enters a dormant state again.
(2) And (4) a directional operation function. The mode of starting and stopping the pump twice in a short time is used as an instruction for changing the measurement mode, the pressure sensor transmits the instruction to the modulator 4, the underground measurement tool is converted into the directional mode, the dormant state is closed, and a dynamic well deviation angle, a well deviation azimuth angle and a tool face angle are output in the drilling process, so that the directional operation of a vertical well during deviation correction and a simple directional well is met.
Claims (3)
1. A vertical well parameter measurement while drilling device comprises a downhole measurement unit and a ground data processing unit, wherein the downhole measurement unit is arranged in a non-magnetic drill collar pup joint and enters a well while drilling, and the unit comprises a directional parameter sensor, a pulse generator, a modulator and a transmitter; the data processing unit is arranged on the ground and comprises a receiver, a processor, a demodulator and a display; the system is characterized in that the orientation parameter sensor adopts an electronic gyro sensor and is used for monitoring orientation parameters such as a well deviation angle, a well deviation azimuth angle and a tool face angle.
2. The vertical while drilling parameter measurement device of claim 1, wherein the data processing unit further interacts with an operator's mobile phone through a public communication network, and automatically receives monitoring value data by programming a dedicated mobile phone APP.
3. The device for measuring parameters while drilling of a vertical well as recited in claim 1, wherein the downhole measurement unit is further provided with a pressure sensor for detecting the pressure in the well as a control signal for the sleep or wake-up of the downhole measurement unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020382991.5U CN212027774U (en) | 2020-03-23 | 2020-03-23 | Vertical well parameter measurement while drilling device |
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| CN202020382991.5U CN212027774U (en) | 2020-03-23 | 2020-03-23 | Vertical well parameter measurement while drilling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137224A (en) * | 2021-04-27 | 2021-07-20 | 北京蒙德纳科技发展有限公司 | Novel oil gas drilling measurement and control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137224A (en) * | 2021-04-27 | 2021-07-20 | 北京蒙德纳科技发展有限公司 | Novel oil gas drilling measurement and control system |
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