CN104847332A - Intelligent sand removal flow meter for drill hole - Google Patents
Intelligent sand removal flow meter for drill hole Download PDFInfo
- Publication number
- CN104847332A CN104847332A CN201510194078.6A CN201510194078A CN104847332A CN 104847332 A CN104847332 A CN 104847332A CN 201510194078 A CN201510194078 A CN 201510194078A CN 104847332 A CN104847332 A CN 104847332A
- Authority
- CN
- China
- Prior art keywords
- cartridge filter
- drill hole
- hydrostatic sensor
- water burst
- data control
- 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.)
- Granted
Links
- 239000004576 sand Substances 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 238000005259 measurement Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 230000002706 hydrostatic effect Effects 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 19
- 238000013500 data storage Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 238000007569 slipcasting Methods 0.000 claims description 3
- 238000009288 screen filtration Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract 1
- 238000013461 design Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Remote Sensing (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention belongs to the technical field of underground drill hole hydrographic metering, and relates to an intelligent sand removal flow meter for a drill hole. A connecting pipe and a main pipe are communicated in series for forming a cruciform structure; one end of the connecting pipe is communicated with a drill hole sleeve through a first flange, and the other end of the connecting pipe is connected with a connected ordinary flow meter through a second flange; a filtering tube is arranged in an inner cavity of the lower end of the main pipe; the top surface of the filtering tube is of an inclined structure; the top of the filtering tube is provided with an inclined baffle plate; drill hole burst water is prevented from backflow; a filtering screen is arranged on the bottom and the side wall of the filtering tube; an internal hydraulic sensor is arranged at the inner side of the side wall of the filtering tube; an external hydraulic sensor is arranged at the outer side of the side wall of the filtering tube; the internal hydraulic sensor and the external hydraulic sensor are in electrical information connection with a data memory through transmission wires; and the data memory is in electrical information connection with a data control and warning system. The intelligent sand removal flow meter for the drill hole has the advantages that the structure is simple; the operation is convenient; the data measurement is precise; the maintenance cost is low; the environment is friendly; sand particles in the burst water can be blocked; and the flow rate of the drill hole burst water can also be accurately measured.
Description
Technical field:
The invention belongs to down-hole drilling hydrology field of measuring techniques, relate to a kind of boring intelligence and to remove sand flow meter.
Background technology:
In recent years, coal-mining technique on North China type coalfield high artesian, need carry out grey top difficult to understand grout transformation to floor undulation.From the construction hole of grout transformation, inspection eye again to the water yield of the peephole of work plane, the most intuitively disclose floor undulation groundwater occurrence and migration rule, therefore, bore flooding quantity plays an important role to grouting work.
At present, boring Flow Observation method has the multiple methods such as graduated cylinder method, weir method, float gauging method, magnetic induction flowmeter and common flow meters method, and wherein graduated cylinder method is applicable to the little boring of water yield, and the boring graduated cylinder method large for water yield is helpless; Weir method needs around to construct to boring, is suitable for the boring that water yield is little; It is accurate, with high content of technology that magnetic induction flowmeter has counting, and maintenance and repair expense high, is not suitable for down-hole complex environment; Common flow meters is method the most frequently used in down-hole drilling, but water-bearing with high pressure boring has that the water yield is large, hydraulic pressure is high, and in water, sand grain is large to the impact force of gear, easily causes gear failure, affects meter readings.Boring meter readings error gently then affects Grouting engineering, heavy then affect mine safety, therefore, designs one and can stop sand grain in water burst, again can the flow meter of accurate reading particularly important.
Summary of the invention:
The object of the invention is to overcome the shortcoming that prior art exists, seeking design provides a kind of boring intelligent desanding flow meter, can stop sand grain in water burst, again can the flow of Measurement accuracy boring water burst.
To achieve these goals, agent structure of the present invention comprises borehole casing, the first flange, interior hydrostatic sensor, adapter, supervisor, cartridge filter, screen pack, outer hydrostatic sensor, the second flange, common flow meters, data storage, Data Control and warning system and baffle plate; Adapter and supervisor's formula of ganging up form cross-shaped configuration, and one end of adapter is communicated with borehole casing by the first flange, and the other end is connected with the common flow meters connected by the second flange; Be provided with cartridge filter in the lower end inner chamber of supervisor, the end face of cartridge filter is incline structure, and cartridge filter top is provided with the baffle plate of inclination, prevents boring water burst from flowing backwards; The bottom of cartridge filter and sidewall are provided with screen pack; Cartridge filter inside sidewalls is provided with interior hydrostatic sensor, cartridge filter side-wall outer side is provided with outer hydrostatic sensor, interior hydrostatic sensor and outer hydrostatic sensor all to be ceased with data storage telecommunications by transmission line and are connected, and data storage and Data Control cease with warning system telecommunications and be connected.
Data Control of the present invention and warning system are connected and composed according to electrical principles by data processing unit, DCU data control unit and warning device.
Borehole casing model of the present invention is DN100.
The present invention realizes removing sand to boring water burst intelligence and the detailed process measuring its flow is: boring water burst is successively through borehole casing, adapter and supervisor enter in cartridge filter, by the sand grain in filter screen filtration boring water burst, sand grain is piled up on screen pack, make the external and internal pressure of screen pack different, in adopting respectively, interior force value and the external pressure force value of screen pack measured by hydrostatic sensor and outer hydrostatic sensor, Data Control and warning system is transferred to after force value in recording and external pressure force value being stored by data storage, the Pressure Drop of boring water burst is calculated by data processing unit, compare with the maximum threshold values of Pressure Drop of setting, when the Pressure Drop calculated is greater than the maximum threshold values of setting, result is transferred to DCU data control unit, control instruction is sent by DCU data control unit, and warning device is issued in instruction, given the alarm by warning device, so that the silt in time process screen pack piled up, when Pressure Drop is less than maximum threshold values, Data Control and warning system are left intact, boring water burst flow after filtration is obtained by the common flow meters measurement of taking over upper connection, and the boring water burst flow recorded provides data for follow-up slip casting work.
Compared with prior art, its structure is simple, easy to operate in the present invention, and DATA REASONING is accurate, and maintenance cost is low, environmental friendliness, can stop sand grain in water burst, again can the flow of Measurement accuracy boring water burst.
Accompanying drawing illustrates:
Fig. 1 is agent structure principle schematic of the present invention.
Fig. 2 is the operating principle schematic process flow diagram of Data Control of the present invention and warning system.
Detailed description of the invention:
Below by embodiment, also the invention will be further described by reference to the accompanying drawings.
Embodiment:
The agent structure of the present embodiment comprises borehole casing 1, first flange 2, interior hydrostatic sensor 3, adapter 4, supervisor 5, cartridge filter 6, screen pack 7, outer hydrostatic sensor 8, second flange 9, common flow meters 10, data storage 11, Data Control and warning system 12 and baffle plate 13; Adapter 4 forms cross-shaped configuration with supervisor's 5 formulas of ganging up, and one end of adapter 4 is communicated with borehole casing 1 by the first flange 2, and the other end is connected with the common flow meters 10 connected by the second flange 9; Be provided with cartridge filter 6 in the lower end inner chamber of supervisor 5, the end face of cartridge filter 6 is incline structure, and the top of cartridge filter 6 is provided with the baffle plate 13 of inclination, prevents boring water burst from flowing backwards; The bottom of cartridge filter 6 and sidewall are provided with screen pack 7; Cartridge filter 6 inside sidewalls is provided with interior hydrostatic sensor 1, cartridge filter 6 side-wall outer side is provided with outer hydrostatic sensor 8, interior hydrostatic sensor 1 is all connected with data storage 11 by transmission line with outer hydrostatic sensor 8, and data storage 11 and Data Control cease with warning system 12 telecommunications and be connected.
Data Control described in the present embodiment and warning system 12 are connected and composed according to electrical principles by data processing unit, DCU data control unit and warning device.
Described in the present embodiment, borehole casing 1 model is DN100.
The present embodiment realizes removing sand to boring water burst intelligence and the detailed process measuring its flow is: boring water burst is successively through borehole casing 1, adapter 4 and supervisor 5 enter in cartridge filter 6, the sand grain in boring water burst is filtered by screen pack 7, sand grain is piled up on screen pack 7, make the external and internal pressure of screen pack 7 different, in adopting respectively, interior force value and the external pressure force value of screen pack 7 measured by hydrostatic sensor 3 and outer hydrostatic sensor 8, Data Control and warning system 12 is transferred to after force value in recording and external pressure force value being stored by data storage 11, the Pressure Drop of boring water burst is calculated by data processing unit, compare with the maximum threshold values of Pressure Drop of setting, when the Pressure Drop calculated is greater than the maximum threshold values of setting, result is transferred to DCU data control unit, control instruction is sent by DCU data control unit, and warning device is issued in instruction, given the alarm by warning device, so that the silt in time process screen pack 7 piled up, when Pressure Drop is less than maximum threshold values, Data Control and warning system 12 are left intact, boring water burst flow after filtration is measured by the common flow meters 10 that adapter 4 connects and is obtained, and the boring water burst flow recorded provides data for follow-up slip casting work.
Claims (2)
1. intelligence of holing is removed sand a flow meter, it is characterized in that agent structure comprises borehole casing, the first flange, interior hydrostatic sensor, adapter, supervisor, cartridge filter, screen pack, outer hydrostatic sensor, the second flange, common flow meters, data storage, Data Control and warning system and baffle plate; Adapter and supervisor's formula of ganging up form cross-shaped configuration, and one end of adapter is communicated with by the borehole casing that the first flange and model are DN100, and the other end is connected with the common flow meters connected by the second flange; Be provided with cartridge filter in the lower end inner chamber of supervisor, the end face of cartridge filter is incline structure, and cartridge filter top is provided with the baffle plate of inclination, prevents boring water burst from flowing backwards; The bottom of cartridge filter and sidewall are provided with screen pack; Cartridge filter inside sidewalls is provided with interior hydrostatic sensor, cartridge filter side-wall outer side is provided with outer hydrostatic sensor, interior hydrostatic sensor and outer hydrostatic sensor all to be ceased with data storage telecommunications by transmission line and are connected, data storage with connect and compose Data Control by data processing unit, DCU data control unit and warning device according to electrical principles and to cease with warning system telecommunications and be connected.
2. intelligence of holing according to claim 1 is removed sand flow meter, it is characterized in that adopting this flow meter to realize removing sand to boring water burst intelligence and the detailed process of measuring flow is: boring water burst is successively through borehole casing, adapter and supervisor enter in cartridge filter, by the sand grain in filter screen filtration boring water burst, sand grain is piled up on screen pack, make the external and internal pressure of screen pack different, in adopting respectively, interior force value and the external pressure force value of screen pack measured by hydrostatic sensor and outer hydrostatic sensor, Data Control and warning system is transferred to after force value in recording and external pressure force value being stored by data storage, the Pressure Drop of boring water burst is calculated by data processing unit, compare with the maximum threshold values of Pressure Drop of setting again, when the Pressure Drop calculated is greater than the maximum threshold values of setting, result is transferred to DCU data control unit, control instruction is sent by DCU data control unit, and warning device is issued in instruction, given the alarm by warning device, so that the silt in time process screen pack piled up, when Pressure Drop is less than maximum threshold values, Data Control and warning system are left intact, boring water burst flow after filtration is obtained by the common flow meters measurement of taking over upper connection, and the boring water burst flow recorded provides data for follow-up slip casting work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510194078.6A CN104847332B (en) | 2015-04-22 | 2015-04-22 | A kind of boring intelligence is removed sand effusion meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510194078.6A CN104847332B (en) | 2015-04-22 | 2015-04-22 | A kind of boring intelligence is removed sand effusion meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104847332A true CN104847332A (en) | 2015-08-19 |
| CN104847332B CN104847332B (en) | 2016-08-17 |
Family
ID=53847259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510194078.6A Expired - Fee Related CN104847332B (en) | 2015-04-22 | 2015-04-22 | A kind of boring intelligence is removed sand effusion meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104847332B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110965963A (en) * | 2018-09-30 | 2020-04-07 | 辽宁石油化工大学 | Method and device for screw rod type automatic sand control pipe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3735338A (en) * | 1971-07-30 | 1973-05-22 | Cities Service Oil Co | Forward looking sonic wellbore inspector |
| JPH10281905A (en) * | 1997-04-03 | 1998-10-23 | Oyo Corp | Vibrating ground pore water pressure measuring device |
| CN101446191A (en) * | 2008-11-17 | 2009-06-03 | 文必用 | Drilling well control parameter intelligent monitoring system |
| CN202108504U (en) * | 2011-06-17 | 2012-01-11 | 中国石油集团川庆钻探工程有限公司 | Forecast system for flow difference, well kick and lost circulation |
| CN104343441A (en) * | 2014-09-29 | 2015-02-11 | 中国地质大学（武汉） | Bottom drilling parameter transmission system for ultra-deep well |
-
2015
- 2015-04-22 CN CN201510194078.6A patent/CN104847332B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3735338A (en) * | 1971-07-30 | 1973-05-22 | Cities Service Oil Co | Forward looking sonic wellbore inspector |
| JPH10281905A (en) * | 1997-04-03 | 1998-10-23 | Oyo Corp | Vibrating ground pore water pressure measuring device |
| CN101446191A (en) * | 2008-11-17 | 2009-06-03 | 文必用 | Drilling well control parameter intelligent monitoring system |
| CN202108504U (en) * | 2011-06-17 | 2012-01-11 | 中国石油集团川庆钻探工程有限公司 | Forecast system for flow difference, well kick and lost circulation |
| CN104343441A (en) * | 2014-09-29 | 2015-02-11 | 中国地质大学（武汉） | Bottom drilling parameter transmission system for ultra-deep well |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110965963A (en) * | 2018-09-30 | 2020-04-07 | 辽宁石油化工大学 | Method and device for screw rod type automatic sand control pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104847332B (en) | 2016-08-17 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20200422 |