CN210003228U - online full-automatic differential pressure detection system for drilling fluid - Google Patents
online full-automatic differential pressure detection system for drilling fluid Download PDFInfo
- Publication number
- CN210003228U CN210003228U CN201920106220.0U CN201920106220U CN210003228U CN 210003228 U CN210003228 U CN 210003228U CN 201920106220 U CN201920106220 U CN 201920106220U CN 210003228 U CN210003228 U CN 210003228U
- Authority
- CN
- China
- Prior art keywords
- pressure
- isolation liquid
- instrument
- sensing probe
- storage tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses an online full-automatic differential pressure detecting system of kinds of drilling fluids, buffer solution storage tank, air compressor machine, low pressure get pressure chamber, high pressure get pressure chamber, differential pressure detection instrument, intelligent control ware and corresponding execution controller constitute, the buffer solution of buffer solution storage tank can select clear water or other liquid that viscosity is lower, 0.1 MPa's air supply is inserted through the relief pressure valve in buffer solution storage tank top, the air supply is provided by the air compressor machine, high pressure gets pressure chamber end and links to each other with the medium pipeline through drawing the pressure joint, end links to each other with instrument pressure sensing probe, end links to each other with the buffer solution ooff valve, and the buffer solution ooff valve with buffer solution storage tank bottom intercommunication, this novel online application in succession realizes the continuous online differential pressure detection of drilling fluid.
Description
Technical Field
The utility model belongs to online rheological property detection field of drilling fluid, concretely relates to online full-automatic differential pressure detecting system of kinds of drilling fluids.
Background
The online differential pressure detection of the drilling fluid is very challenging, the viscous drilling fluid can block, wear and corrode a pressure measuring probe of a detection instrument, and the stability, accuracy and feasibility of pressure measurement can be ensured only by adopting an isolation mode to realize pressure measurement and continuously and effectively for a long time.
Aiming at the online continuous differential pressure detection of the drilling fluid in a spacer fluid mode, no effective continuous automatic systems exist at present, the automatic supplement, replacement cleaning and online calibration of the spacer fluid are realized, the mode of spacer fluid pressure measurement can be operated continuously on line, and the online differential pressure detection of the drilling fluid, which is a special liquid, is guaranteed.
Disclosure of Invention
In order to solve the problem of the existence, the utility model provides an online full-automatic differential pressure detecting system of kinds of drilling fluids.
The utility model discloses a realize through following technical scheme:
A full-automatic online differential pressure detection system for drilling fluid comprises an isolation liquid storage tank, an air compressor, a low-pressure taking cavity, a high-pressure taking cavity, a differential pressure detection instrument, an intelligent controller and a corresponding execution controller, wherein isolation liquid of the isolation liquid storage tank can be selected from clear water or other liquid with low viscosity, the top of the isolation liquid storage tank is connected with an air source of 0.1MPa through a pressure reducing valve, the air source is provided by the air compressor, the end of the high-pressure taking cavity is connected with a medium pipeline through a pressure leading joint, the end of the high-pressure taking cavity is connected with an instrument pressure sensing probe, the end of the high-pressure taking cavity is connected with an isolation liquid switch valve, the isolation liquid switch valve is communicated with the bottom of the isolation liquid storage tank, the end of the low-pressure taking cavity is connected with the medium pipeline through the pressure leading joint, an isolation liquid switch valve is arranged between the pressure leading joint and the low-pressure taking cavity, the end of the low-pressure taking cavity is connected with the instrument pressure sensing probe, the end end of the isolation liquid switch valve is connected with the isolation liquid switch valve, the isolation liquid switch valve is connected with the medium pipeline, the pressure sensing probe, the differential pressure sensing probe and the differential pressure sensing probe, the differential pressure sensing probe of the isolation liquid switch valve are connected with the pressure sensing probe, the pressure sensing probe of the pressure sensing valve, the pressure sensing probe.
As the utility model discloses a go into optimization scheme, including zero point calibration and two kinds of procedures of range calibration in differential pressure instrumentation's periodic on-line measuring and the demarcation.
As the utility model discloses a go into step optimization scheme, intelligent control ware is controlling the operation logic of equipment such as the switch of flow differential pressure value detection processing, well control valve.
As the utility model discloses a go into step optimization schemes, the process connecting part preparation that the differential pressure diaphragm in chamber and the low pressure chamber was got to the high pressure is the three way type structure.
Compared with the prior art, the beneficial effects of the utility model are that: this novel but continuous online application realizes the continuous online differential pressure detection of drilling fluid to adopt the form of buffer fluid, the make-up volume and the time of automatic control buffer fluid, the continuous drilling fluid of clean pressure point of getting that does not stop makes the pressure point be in good state all the time, and regularly introduces the standard pressure source automatically, detects the precision of differential pressure measuring value and carries out online calibration simultaneously, thereby realizes the automatic continuous online differential pressure detection of drilling fluid.
Drawings
FIG. 1 is a schematic view of the structure connection of the present invention;
fig. 2 is a schematic structural view of the differential pressure measuring instrument of the present invention.
In the figure: 1. a spacer fluid storage tank; 2. a pressure reducing valve; 3. an air compressor; 4. a voltage regulator; 5. a barrier fluid on-off valve; 6. a barrier fluid on-off valve; 7. a low pressure tapping chamber; 8. a high-pressure taking cavity; 9. an instrument pressure sensing probe; 10. an intelligent controller; 11. an instrument pressure sensing probe; 12. a barrier fluid on-off valve; 13. a pneumatic switch valve; 14. a process control valve; 15. a media conduit; 16. a pressure-inducing joint; 17. a pressure-inducing joint; 18. a differential pressure detection instrument; 19. and a flow control valve.
Detailed Description
The present invention will be described in detail below in with reference to the accompanying drawings and the following detailed description:
as shown in the figure 1-2, the drilling fluid online full-automatic differential pressure detection system comprises an isolation liquid storage tank (1), an air compressor (3), a low-pressure taking cavity (7), a high-pressure taking cavity (8), a differential pressure detection instrument (18), an intelligent controller (10) and a corresponding execution controller, wherein an isolation liquid of the isolation liquid storage tank (1) can be selected from clear water or other liquid with lower viscosity, the top of the isolation liquid storage tank (1) is connected with an air source with 0.1MPa through a pressure reducing valve (2), the air source is provided by the air compressor (3), the end of the high-pressure taking cavity (8) is connected with a medium pipeline (15) through a pressure leading connector (16), the end is connected with an instrument pressure sensing probe (11), the end is connected with an isolation liquid switch valve (6), the isolation liquid switch valve (6) is communicated with the bottom of the isolation liquid storage tank (1), the end of the low-pressure taking cavity (7) is connected with the medium pipeline (15) through a pressure leading connector (17), the pressure sensing probe (17), the isolation liquid sampling probe (7) is connected with an isolation liquid pressure sensing probe (10), the isolation liquid probe (10), the isolation valve is connected with an isolation liquid sampling probe (10), a calibration process control instrument, a calibration process control device is arranged between the low-pressure sampling probe (10) and an isolation liquid control instrument, a calibration process control flow meter, a calibration flow control flow line is connected with a calibration flow meter, a calibration flow control flow meter, a calibration flow control flow meter, a calibration flow line is arranged on the pressure measuring instrument, a calibration flow meter, a calibration flow control flow meter, a calibration flow control flow line is arranged on a calibration flow line is connected with a calibration flow meter, a calibration flow control flow meter, a calibration flow control device is arranged on a calibration flow control flow.
According to the novel device, before the novel online detection, the switch valves (5) and (6) are opened, the isolation liquid is filled in the high-pressure and low-pressure taking cavities (8) and (7) and the whole isolation liquid working pipeline and enters the drilling liquid medium pipeline (15), after the pressure taking pipeline is emptied and filled, the switch valves (5) and (6) are closed, the pressure testing valve (12) is opened, the process control valves (19) and (14) are opened, differential pressure detection is started, the tested drilling liquid cannot fully enter the pressure taking process because the pressure taking process is full of the isolation liquid, so that the reading is low, but the tested drilling liquid can be continuously mixed with the isolation liquid along with the lengthening of the online time, the performance of the isolation liquid is reduced, the differential pressure detection is suspended, the switch valves (5) and (6) are opened, the quantitative isolation liquid is injected into the pressure taking pipeline , the isolation liquid is injected into the pressure taking pipeline because the isolation liquid is higher in the isolation liquid pressure measuring instrument, the pressure testing pipeline is continuously pushed back into the flow channel, the pressure measuring pipeline returns to be normal, the isolation liquid pressure measuring pipeline, the isolation liquid is periodically, the open, the zero point detection is stopped, the zero point detection, the isolation liquid working pipeline is started, the pressure measuring instrument (5) is opened, the pressure measuring instrument (6) is continuously opened, the pressure measuring instrument (10) is continuously detected, the pressure measuring instrument (6), the pressure measuring instrument (10) is continuously detected, the pressure measuring instrument (10) is continuously, the pressure measuring instrument (10 minutes, the pressure measuring instrument is continuously, the pressure measuring instrument (6), the pressure measuring instrument is closed, the pressure measuring instrument is continuously closed, the pressure measuring instrument is continuously opened, the pressure measuring instrument is continuously closed, the pressure measuring instrument is continuously.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
- The system is characterized in that an isolation liquid of the isolation liquid storage tank can be selected from clear water or other liquid with lower viscosity, the top of the isolation liquid storage tank is connected with a 0.1MPa air source through a pressure reducing valve, the air source is provided by the air compressor, the high-pressure taking cavity end is connected with a medium pipeline through a pressure leading joint, the end is connected with an instrument pressure sensing probe, the end is connected with an isolation liquid switch valve, the isolation liquid switch valve is communicated with the bottom of the isolation liquid storage tank, the low-pressure taking cavity end is connected with the medium pipeline through a pressure leading joint, an isolation liquid switch valve is arranged between the pressure leading joint and the low-pressure taking cavity, the low-pressure taking cavity end is connected with the instrument pressure sensing probe, the isolation liquid switch valve is connected with the isolation liquid switch valve through an instrument pressure sensing probe, the isolation liquid switch valve is connected with the pressure sensing probe, the pressure sensing probe is connected with the pressure sensing probe, the pressure sensing switch valve, the instrument flow path of the isolation liquid storage tank, and the pressure sensing probe flow path of the instrument, and the pressure sensing probe flow path of the isolation liquid flow control instrument, and the pressure sensing probe flow path control instrument flow regulator are connected with the isolation liquid flow path of the isolation liquid flow control instrument.
- 2. The kind of online full-automatic differential pressure detection system of drilling fluid of claim 1, wherein the periodic online detection and calibration of the differential pressure detection instrument includes two procedures of zero calibration and span calibration.
- 3. The kind of online full-automatic differential pressure detection system of drilling fluid of claim 1, wherein the intelligent controller controls the operation logic of the equipment such as the process differential pressure detection processing, the on-off of the intermediate control valve, etc.
- 4. The kind of drilling fluid online full-automatic differential pressure detection system of claim 1, wherein the process connection parts of the differential pressure diaphragms of the high pressure taking cavity and the low pressure taking cavity are made into a three-way structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920106220.0U CN210003228U (en) | 2019-01-23 | 2019-01-23 | online full-automatic differential pressure detection system for drilling fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920106220.0U CN210003228U (en) | 2019-01-23 | 2019-01-23 | online full-automatic differential pressure detection system for drilling fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210003228U true CN210003228U (en) | 2020-01-31 |
Family
ID=69299836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920106220.0U Active CN210003228U (en) | 2019-01-23 | 2019-01-23 | online full-automatic differential pressure detection system for drilling fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210003228U (en) |
-
2019
- 2019-01-23 CN CN201920106220.0U patent/CN210003228U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201368859Y (en) | Multi-passage sodion monitor | |
| CN104596596B (en) | A kind of positive displacement micro liquid flowmeter and its application method | |
| CN204330091U (en) | Bell jar type gas flowmeter calibrating installation | |
| CN210003228U (en) | online full-automatic differential pressure detection system for drilling fluid | |
| CN206540595U (en) | A kind of online small-bore fluid flowmeter calibration system | |
| CN203148959U (en) | Full-automatic hemorheology analyzer | |
| CN204085825U (en) | Hydraulic type air-tightness tester | |
| CN111474099A (en) | Rock porosity and specific surface testing device | |
| CN216210669U (en) | Gas flow controller system of leaking hunting | |
| CN213957210U (en) | Online automatic calibration device of pH meter | |
| CN201867293U (en) | Gas flow rate standard device | |
| CN210513586U (en) | Upstream pumping seal test system | |
| CN210422525U (en) | Device for improving pipe flow method drilling fluid differential pressure measurement range ratio | |
| CN210463687U (en) | Novel refrigerant is with filling system | |
| CN110955201B (en) | System for automatic detection operation of soft water supply system and control method | |
| CN114414171A (en) | Water purifier detection method | |
| CN208505956U (en) | A kind of device of on-line continuous detection catalyst reaction liquid pH value | |
| CN201507434U (en) | Laboratory water purifier water purification pump testing device | |
| CN202748192U (en) | Multi-port pressure gage test stand | |
| CN212872119U (en) | Plastic pipe oxygen permeability testing device | |
| CN215865389U (en) | Air blowing type liquid level meter | |
| CN219715433U (en) | Condensate water pH value shunt monitoring system | |
| CN219758130U (en) | Sample injection device based on TOC apparatus | |
| CN210003227U (en) | device for online detection of drilling fluid pressure by using spacer fluid | |
| CN214698201U (en) | Diaphragm rupture detection device for diaphragm metering pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |