CN114263455B - Automatic microchip injection device and method - Google Patents
Automatic microchip injection device and method Download PDFInfo
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- CN114263455B CN114263455B CN202111541890.3A CN202111541890A CN114263455B CN 114263455 B CN114263455 B CN 114263455B CN 202111541890 A CN202111541890 A CN 202111541890A CN 114263455 B CN114263455 B CN 114263455B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The present invention provides an automatic microchip injection device, comprising: the three-way valve comprises an A valve, a B valve and a C valve, wherein an inlet of the A valve is communicated with a microchip input port, and an outlet of the A valve is communicated with an inlet of the B valve through a first pipeline; the activation bin is arranged on the first pipeline, the inlet is communicated with the outlet of the port A, the outlet is communicated with the inlet of the port B, and the activation bin is used for activating the microchip; the storage bin is communicated with the outlet of the port B through a second pipeline and is used for storing the microchip input by the input port; and the hydraulic driving mechanism is used for injecting microchip communication liquid stored in the storage bin into the drilling fluid circulation pipeline. The microchip automatic injection device injects one or more microchips into the mud in the drill pipe, so that the microchip automatic injection device can enter the well along with the mud circulation to realize full-shaft measurement while drilling.
Description
Technical Field
The invention belongs to the field of petroleum drilling, and particularly relates to an automatic microchip injection device and method.
Background
In modern petroleum drilling engineering, especially along with the global transition from land to sea in petroleum industry, various parameters in a well bore (such as temperature, pressure, well bore track and the like) must be mastered at any time so as to ensure that the drilling operation can be normally and safely implemented. With the implementation of more and more large displacement wells, deep wells, ultra-deep wells, and particularly deep sea drilling, the acquisition of various parameters of a wellbore becomes more and more critical. Many times it has become critical whether drilling operations can be successfully completed.
The driven underground measuring system can only be configured with a fixed number of sensors, and the sensors are fixed positions arranged on a drill rod, so that parameters of fixed positions of a shaft can be measured only, such as data measurement near a drill bit, measurement while drilling and measurement of whole shaft data cannot be achieved, meanwhile, along with the increase of drilling depth, the reliability of measurement is reduced, and the cost is correspondingly increased.
Disclosure of Invention
In view of the foregoing, a first object of the present invention is to provide an automatic microchip injection device that can be installed on a drilling site, and that can perform measurement while drilling as well as measurement in a full wellbore, while being simple to operate, without affecting existing drilling platforms, and that has significant technical and cost advantages. It is another object of the present invention to provide an automatic microchip injection method.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
in a first aspect, the present invention provides an automatic microchip injection device comprising:
the three-way valve comprises an A valve, a B valve and a C valve, wherein an inlet of the A valve is communicated with a microchip input port, and an outlet of the A valve is communicated with an inlet of the B valve through a first pipeline; the activation bin is arranged on the first pipeline, the inlet of the activation bin is communicated with the outlet of the valve A, the outlet of the activation bin is communicated with the inlet of the valve B, and the activation bin is used for activating the microchip; the storage bin is communicated with the outlet of the B valve through a second pipeline and is used for storing the microchip;
the outlet of the hydraulic driving mechanism is communicated with the storage bin through a third pipeline, and the hydraulic driving mechanism is used for injecting the microchip stored in the storage bin together with liquid into the drilling fluid circulation pipeline;
and the C valve is arranged on the third pipeline and used for controlling the disconnection of the communication of the third pipeline.
And the controller is electrically connected with the three-way valve, the activation bin, the storage bin and the hydraulic driving mechanism and is used for respectively controlling the three-way valve, the goods collection bin, the storage bin and the hydraulic driving mechanism to act.
Further, the hydraulic drive mechanism includes:
the liquid tank is used for storing drilling fluid;
the hydraulic pump is used for pumping the drilling fluid in the fluid tank into the storage bin through the third pipeline at a certain pressure;
the inlet of the release valve is communicated with the outlet of the storage bin through a fourth pipeline, the injection port is communicated with the drilling fluid circulation pipeline through a hose, and the release valve is used for injecting the microchip together with the drilling fluid into the drilling fluid circulation pipeline through the injection port under the pressure.
Further, the drilling fluid circulating pipeline further comprises a first pressure sensor and a second pressure sensor, wherein the first pressure sensor is arranged on the third pipeline and used for detecting the magnitude of the drilling fluid pressure, the second pressure sensor is arranged in the drilling fluid circulating pipeline and used for detecting the magnitude of the hydraulic pressure in the drilling fluid circulating pipeline, and when the detection value of the first pressure sensor is larger than the detection value of the second pressure sensor, the microchip is injected into the drilling fluid circulating pipeline through the injection opening.
Further, the hydraulic pump is a pneumatic hydraulic pump driven by an air compressor.
Further, a liquid extraction circuit is also included, the liquid extraction circuit is formed to include:
the release valve is arranged to release the drilling fluid in the drilling fluid circulation pipeline back into the liquid tank, and when the drilling fluid in the liquid tank is insufficient, the drilling fluid in the drilling fluid circulation pipeline is taken out into the liquid tank for injection of the microchip.
In a second aspect, the present invention also provides an automatic microchip injection method, based on the automatic microchip injection device, comprising the steps of:
putting a microchip into the activation bin through the microchip input port, and enabling the microchip to enter the activation bin through the valve A for activation, and closing the valve B and the valve C at the same time;
the microchip enters the storage bin through the valve B for transfer storage after being activated, and meanwhile the valve A and the valve C are closed;
and C valve is opened, and the hydraulic driving mechanism injects microchip stored in the storage bin together with liquid into the drilling fluid circulation pipeline.
Further, the hydraulic driving mechanism injects the microchip stored in the storage bin together with the liquid into the drilling fluid circulation line specifically includes:
the hydraulic pump pumps the drilling fluid in the fluid tank into the storage bin through the third pipeline at a certain pressure, and injects the microchip in the storage bin together with the drilling fluid into the drilling fluid circulation pipeline through an injection port of the release valve at the certain pressure.
Further, the method further comprises the steps of:
the magnitude of the pumping pressure of the hydraulic pump is detected by a first pressure sensor, the magnitude of the drilling fluid pressure in the drilling fluid circulation pipeline is detected by a second pressure sensor, and when the detection value of the first pressure sensor is larger than that of the second pressure sensor, the microchip is injected into the drilling fluid circulation pipeline through the injection port.
Further, the method further comprises the steps of: and after the chip is injected into the drilling fluid circulation pipeline, the drilling fluid in the drilling fluid circulation pipeline is released into the fluid tank through the release valve.
Further, the method further comprises the step of taking the drilling fluid in the drilling fluid circulation pipeline into the liquid tank through the release valve for injection of the microchip when the liquid in the liquid tank is insufficient.
Due to the adoption of the technical scheme, the invention has the following advantages:
the device can be installed on a drilling site, and one or more microchips can be quickly and conveniently injected into slurry in a drill rod, so that the device can enter a well along with the slurry circulation to realize full-shaft measurement while drilling.
Drawings
FIG. 1 is a schematic diagram of an automatic microchip injection device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the system or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Moreover, the use of the terms first, second, etc. to define elements is merely for convenience in distinguishing the elements from each other, and the terms are not specifically meant to indicate or imply relative importance unless otherwise indicated.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The embodiment of the invention provides an automatic microchip injection device which can be installed on a drilling site, does not influence the field operation flow, and can be used for rapidly and conveniently injecting one or more microchips into slurry in a drill rod, so that the whole shaft and measurement while drilling can be realized while the slurry is circulated into the well.
The microchip automatic injection device is arranged between the hydraulic pump and the drill rod connection part of the drilling platform, and has the main functions of activating the microchip to be tested and injecting the microchip to be tested into the mud circulation pipeline. The device can control the injection rate by itself during microchip injection.
It should be noted that, the microchip is a micro-sized spherical or capsule-shaped instrument for downhole measurement, also called a wandering data collector while drilling, and comprises a micro-control unit, a memory, a sensor, a data transmission module and a micro-rechargeable lithium battery, all circuits and components are wrapped in spherical or capsule-shaped protective materials, and the diameter of the whole system is about 8-12mm. The protective material used by the microchip has extremely high strength and glass transition temperature, and can ensure that the internal circuit and components thereof bear the high-temperature and high-pressure environment in the pit.
The microchip automatic injection device comprises a three-way valve, an activation bin 4, a storage bin 7, a hydraulic driving mechanism and a controller (not shown in the figure). The three-way valve comprises an A valve 2, a B valve 6 and a C valve 8, wherein the inlet of the A valve 2 is communicated with the microchip input port 1, and the outlet of the A valve is communicated with the inlet of the B valve 6 through a first pipeline 3. The activation bin 4 is arranged on the first pipeline 3, an inlet is communicated with an outlet of the valve A2, an outlet is communicated with an inlet of the valve B6, and the activation bin 4 is used for activating the microchip. The storage bin 7 is communicated with the outlet of the B valve 6 through a second pipeline 10 and is used for storing the microchip input by the input port 1. The hydraulic driving mechanism is used for injecting microchip communication liquid stored in the storage bin 7 into the drilling fluid circulation pipeline 20, an outlet of the hydraulic driving mechanism is communicated with the storage bin 7 through a third pipeline 10, and the C valve 8 is arranged on the third pipeline 10 and used for controlling the disconnection of the communication of the third pipeline 10. And the controller is electrically connected with the three-way valve, the activation bin, the storage bin and the hydraulic driving mechanism and is used for respectively controlling the three-way valve, the goods collection bin, the storage bin and the hydraulic driving mechanism to act.
In use, valve A is opened, the microchip is inserted through the insertion port and enters the activation chamber 4 through valve A for activation, and at the same time, valve B6 and valve C8 are closed. And the microchip enters the storage bin 7 through the valve B6 for transferring storage after being activated, and meanwhile, the valve A2 and the valve C8 are closed. The C valve 8 is opened and the hydraulic drive mechanism injects the microchip stored in the storage bin 7 together with the liquid into the drilling fluid circulation line 20. The underground measuring microchip is put into a drill rod after being activated, the drilling fluid circularly flows to the bottom of the well, is sprayed out from a drill bit water hole, enters an annulus to return to the ground surface, finally reaches a vibrating screen to be recovered, and continuously measures underground important parameters such as temperature, pressure and the like in the whole movement process, and the microchip can read measurement data through special equipment after being recovered.
The hydraulic drive mechanism includes a fluid tank 11, a hydraulic pump 12, and a release valve 15. The liquid tank 11 stores drilling fluid. The hydraulic pump 12 is used for pumping the drilling fluid in the fluid tank 11 into the storage bin 7 through the third pipeline 10 at a certain pressure. The inlet of the release valve 15 is communicated with the outlet of the storage bin 7 through a fourth pipeline, the injection port is communicated with the drilling fluid circulation pipeline 20 through a hose, and the release valve 15 is used for injecting the microchip together with the drilling fluid into the drilling fluid circulation pipeline 20 through the injection port 17 under the pressure.
In order to more reliably inject the microchip into the drilling fluid circulation line, the microchip automatic injection device further comprises a first pressure sensor 9 and a second pressure sensor 16, wherein the first pressure sensor 9 is arranged on the third pipeline 10 and is used for detecting the magnitude of the drilling fluid pressure, the second pressure sensor 16 is arranged in the drilling fluid circulation line 20 and is used for detecting the magnitude of the hydraulic pressure in the drilling fluid circulation line 20, and when the detection value of the first pressure sensor 9 is larger than the detection value of the second pressure sensor 16, the microchip is injected into the drilling fluid circulation line 20 through the injection opening 17.
In order to improve the utilization ratio of the drilling fluid and reduce the cost, the microchip automatic injection device further comprises a fluid taking loop formed to include: an outlet provided on the release valve 15, and a fifth pipe 19, the fifth pipe 19 communicating the outlet of the release valve 15 with the liquid tank 11, wherein the release valve 15 is configured to release the hydraulic pressure in the drilling fluid circulation line 20 back into the liquid tank 11 and to take out the drilling fluid in the drilling fluid circulation line 20 into the liquid tank 11 for injection of a microchip when the drilling fluid in the liquid tank 11 is insufficient.
The injection method of the microchip automatic injection device comprises the following steps:
the microchip is put into the activation bin 4 through the input port 1 and enters the activation bin 4 through the valve A2 to be activated, and meanwhile, the valve B6 and the valve C8 are closed;
the microchip enters the storage bin 7 through the valve B6 for transfer storage after being activated, and meanwhile the valve A2 and the valve C8 are closed;
opening the C valve 8, pumping the drilling fluid in the fluid tank 11 to the storage bin 7 through the third pipeline 10 by the hydraulic pump 12 at a certain pressure, detecting the pressure by the first pressure sensor 9, detecting the drilling fluid pressure in the drilling fluid circulation pipeline 20 by the second pressure sensor 16, and injecting the micro-core in the storage bin 7 together with the drilling fluid into the drilling fluid circulation pipeline through the injection port of the release valve 15 at the pressure when the detection value of the first pressure sensor 9 is larger than the detection value of the second pressure sensor 16.
After the chip is injected into the drilling fluid circulation pipeline 20, the drilling fluid in the drilling fluid circulation pipeline 20 is released into the fluid tank 11 through the release valve 15, so that the cyclic utilization of the drilling fluid is realized.
When the liquid in the liquid tank 11 is insufficient, the drilling fluid in the drilling fluid circulation pipeline 20 is taken into the liquid tank 11 through the release valve 15 for injection of the microchip, so that the recycling of the drilling fluid is realized.
The method can be used for quickly and conveniently injecting one or more microchips into the slurry in the drill rod, so that the slurry can be circulated into the well to realize full-wellbore measurement while drilling.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An automatic microchip injection device, comprising:
the three-way valve comprises an A valve, a B valve and a C valve, wherein an inlet of the A valve is communicated with a microchip input port, and an outlet of the A valve is communicated with an inlet of the B valve through a first pipeline;
the activation bin is arranged on the first pipeline, the inlet of the activation bin is communicated with the outlet of the valve A, the outlet of the activation bin is communicated with the inlet of the valve B, and the activation bin is used for activating the microchip;
the storage bin is communicated with the outlet of the B valve through a second pipeline and is used for storing the microchip;
the outlet of the hydraulic driving mechanism is communicated with the storage bin through a third pipeline, and the hydraulic driving mechanism is used for injecting the microchip stored in the storage bin together with liquid into a drilling fluid circulation pipeline;
the C valve is arranged on the third pipeline and used for controlling the disconnection of the communication of the third pipeline;
and the controller is electrically connected with the three-way valve, the activation bin, the storage bin and the hydraulic driving mechanism and is used for respectively controlling the three-way valve, the goods collection bin, the storage bin and the hydraulic driving mechanism to act.
2. The automatic microchip injection device as defined by claim 1, wherein the hydraulic driving mechanism comprises:
the liquid tank is used for storing drilling fluid;
the hydraulic pump is used for pumping the drilling fluid in the fluid tank into the storage bin through the third pipeline at a certain pressure;
the inlet of the release valve is communicated with the outlet of the storage bin through a fourth pipeline, the injection port is communicated with the drilling fluid circulation pipeline through a hose, and the release valve is used for injecting the microchip together with the drilling fluid into the drilling fluid circulation pipeline through the injection port under the pressure.
3. The automatic microchip injection device of claim 2, further comprising a first pressure sensor and a second pressure sensor, wherein the first pressure sensor is disposed on the third pipeline for detecting the magnitude of the drilling fluid pressure, the second pressure sensor is disposed in the drilling fluid circulation pipeline for detecting the magnitude of the hydraulic pressure in the drilling fluid circulation pipeline, and when the detection value of the first pressure sensor is greater than the detection value of the second pressure sensor, the microchip is injected into the drilling fluid circulation pipeline through the injection port.
4. The automatic microchip injection device of claim 2, wherein the hydraulic pump is a pneumatic hydraulic pump that is driven by an air compressor.
5. The automatic microchip injection device as defined by claim 2 further comprising a liquid extraction circuit formed to include:
the release valve is arranged to release the drilling fluid in the drilling fluid circulation pipeline back into the liquid tank, and when the drilling fluid in the liquid tank is insufficient, the drilling fluid in the drilling fluid circulation pipeline is taken out into the liquid tank for injection of the microchip.
6. An automatic microchip injection method, based on the automatic microchip injection device according to any one of the previous claims 1 to 5, characterized by comprising the steps of:
putting a microchip into the activation bin through the microchip input port, and enabling the microchip to enter the activation bin through the valve A for activation, and closing the valve B and the valve C at the same time;
the microchip enters the storage bin through the valve B for transfer storage after being activated, and meanwhile the valve A and the valve C are closed;
and C valve is opened, and the hydraulic driving mechanism injects microchip stored in the storage bin together with liquid into the drilling fluid circulation pipeline.
7. The automatic microchip injection method as defined by claim 6, wherein the hydraulic driving mechanism injecting the microchip stored in the storage bin together with the liquid into the drilling fluid circulation line specifically comprises:
the hydraulic pump pumps the drilling fluid in the fluid tank into the storage bin through the third pipeline at a certain pressure, and injects the microchip in the storage bin together with the drilling fluid into the drilling fluid circulation pipeline through an injection port of the release valve at the certain pressure.
8. The automatic microchip injection method as defined by claim 7, further comprising the step of:
the magnitude of the pumping pressure of the hydraulic pump is detected by a first pressure sensor, the magnitude of the drilling fluid pressure in the drilling fluid circulation pipeline is detected by a second pressure sensor, and when the detection value of the first pressure sensor is larger than that of the second pressure sensor, the microchip is injected into the drilling fluid circulation pipeline through the injection port.
9. The automatic microchip injection method as defined by claim 8, further comprising the steps of: and after the chip is injected into the drilling fluid circulation pipeline, the drilling fluid in the drilling fluid circulation pipeline is released into the fluid tank through the release valve.
10. The automatic microchip injection method according to claim 9, further comprising the step of taking the drilling fluid in the drilling fluid circulation line into the liquid tank for microchip injection through the release valve when the liquid in the liquid tank is insufficient.
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