CN214499158U - Be used for downthehole time delay drainage system of angle of depression drilling - Google Patents
Be used for downthehole time delay drainage system of angle of depression drilling Download PDFInfo
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- CN214499158U CN214499158U CN202022089436.6U CN202022089436U CN214499158U CN 214499158 U CN214499158 U CN 214499158U CN 202022089436 U CN202022089436 U CN 202022089436U CN 214499158 U CN214499158 U CN 214499158U
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Abstract
The utility model discloses a be used for downthehole time delay drainage system of angle of pitch drilling, including taking out and adopting flange joint between water collecting pipe one end and the main pipeline of taking out and adopting, the water collecting pipe bottom is equipped with automatic water discharger, and the water collecting pipe is kept away from the other end of taking out and adopting the main pipeline and is adopted pipeline connection with the gas, flange joint between water collecting pipe and the gas and adopts the pipeline, and gas is adopted pipeline side portion surface and is equipped with time delay system, and fixed connection between gas and the time delay system, and gas is adopted the pipeline and directly inserts the stratum corneum; adopt the utility model discloses the scheme can guarantee that the roof is worn the downthehole ponding that does not have of angle of depression drilling of layer, has avoided the excavation work to be influenced by sandstone crack water and construction water, makes the gas drainage in the pit of colliery take out and reach the maximize, has improved drilling utilization ratio and has taken out the extraction effect, has reduced the operating expenses and has taken out the extraction time, and then provides reliable guarantee for the safety in production of mine.
Description
Technical Field
The utility model belongs to the gas exploitation field, more specifically says, the utility model relates to a be used for downthehole time delay drainage system of angle of depression drilling.
Background
Before the coal and gas outburst mine carries out coal uncovering and excavating activities at present, for ensuring safe production, a top plate and a bottom plate are adopted to extract and drill holes to pre-extract coal seam gas, so that the coal seam outburst danger is eliminated, wherein the top plate layer-penetrating holes are mostly depression angle drill holes which are influenced by sandstone fracture water and construction water, a large amount of water can be slowly accumulated in the depression angle drill holes until the whole drill holes are full of, finally, the drill holes cannot extract gas, the drill holes are scrapped, the accumulated water in the holes can cause the normal use of the drill holes, further, the extraction effect of the drill holes is reduced, the drilling construction cost and the extraction period are greatly increased, and the safe production of the outburst mine is restricted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an it is used for downthehole time delay drainage system of angle of depression drilling to provide take out and adopt efficient.
In order to realize the purpose, the utility model discloses the technical scheme who takes does: the utility model provides a be used for downthehole time delay drainage system of angle of pitch drilling, includes and takes out and adopts flange joint between water collecting pipe one end and the main pipeline of taking out, the water collecting pipe bottom is equipped with automatic water drainage ware, and the water collecting pipe is kept away from the other end and the gas extraction pipeline connection of taking out the main pipeline of taking out, flange joint between water collecting pipe and the gas extraction pipeline, and gas extraction pipeline one side portion surface is equipped with time delay system, fixed connection between gas extraction pipeline and the time delay system, and gas extraction pipeline disect insertion geological stratification.
The utility model discloses an downthehole time delay drainage system for angle of pitch drilling, gas is taken out and is taken out the pipeline and draw out the pipeline including hole sealing pipe and screen pipe, wherein screen pipe one end and water collecting pipe are connected, hole sealing pipe cup joint on the screen pipe and with the screen pipe between fixed connection.
The utility model discloses a be used for downthehole time delay drainage system of angle of depression drilling, hole sealing pipe diameter is 50 mm.
The utility model discloses a be used for downthehole time delay drainage system of angle of depression drilling, the screen pipe diameter is 32 mm.
The utility model discloses a be used for downthehole time delay drainage system of angle of depression drilling, time delay system includes pressure wind pipeline, electron time delay valve and pressure wind hose, wherein the one end of pressure wind pipeline and the flange joint between the pressure wind hose, electron time delay valve fixed connection is on the pressure wind pipeline.
The utility model discloses a be used for angle of depression drilling downthehole time delay drainage system, the other end that the pressure wind pipeline was kept away from to the pressure wind hose passes seal the hole pipe and with the screen pipe parallel placement.
The utility model discloses a be used for downthehole time delay drainage system of angle of depression drilling, the geological stratification is first rock layer, coal seam and second rock layer respectively from top to bottom, the screen pipe passes first rock layer, stops in coal seam and second rock layer juncture.
Adopt the utility model discloses the scheme can guarantee that the roof is worn the downthehole ponding that does not have of angle of depression drilling of layer, has avoided the excavation work to be influenced by sandstone crack water and construction water, makes the gas drainage in the pit of colliery take out and reach the maximize, has improved drilling utilization ratio and has taken out the extraction effect, has reduced the operating expenses and has taken out the extraction time, and then provides reliable guarantee for the safety in production of mine.
The present invention will be described in more detail with reference to the accompanying drawings and examples.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic view of the present invention;
labeled as: 1. extracting the main pipeline; 2. a water collection pipe; 3. an automatic water discharger; 4. a compressed air pipeline; 5. an electronic time delay valve; 6. sealing the hole pipe; 7. a screen pipe; 8. a compressed air hose; 9. a first rock layer; 10. a coal seam; 11. a second rock layer;
Detailed Description
The following description of the embodiments of the present invention, with reference to the accompanying drawings, will be made in further detail to explain, for example, the shapes and structures of the components, the mutual positions and connection relationships among the components, the functions and working principles of the components, the manufacturing process, and the operation and use method of the components, so as to help those skilled in the art to understand the concept and technical solutions of the present invention more completely, accurately and deeply.
FIG. 1 is a schematic view of the present invention; the delay drainage system used for the depression angle drilled hole comprises an extraction main pipeline 1 and a water collection pipeline 2, wherein one end of the water collection pipeline 2 is connected with the extraction main pipeline 1 through a flange, an automatic water drainage device 3 is arranged at the bottom of the water collection pipeline 2, the other end, far away from the extraction main pipeline 1, of the water collection pipeline 2 is connected with a gas extraction pipeline, the water collection pipeline 2 is connected with the gas extraction pipeline through a flange, a delay system is arranged on the surface of one side of the gas extraction pipeline, the gas extraction pipeline is fixedly connected with the delay system, and the gas extraction pipeline is directly inserted into a geological layer; the gas extraction pipeline comprises a hole sealing pipe 6 and a sieve pipe 7, wherein one end of the sieve pipe 7 is connected with the water collecting pipeline 2, and the hole sealing pipe 6 is sleeved on the sieve pipe 7 and is fixedly connected with the sieve pipe 7; the diameter of the hole sealing pipe 6 is 50 mm; the diameter of the sieve tube 7 is 32 mm; the delay system comprises a compressed air pipeline 4, an electronic delay valve 5 and a compressed air hose 8, wherein one end of the compressed air pipeline 4 is connected with the compressed air hose 8 through a flange, and the electronic delay valve 5 is fixedly connected to the compressed air pipeline 4; the other end of the compressed air hose 8, which is far away from the compressed air pipeline 4, penetrates through the hole sealing pipe 6 and is arranged in parallel with the sieve pipe 7; the geological formation is first rock stratum 9, coal mine layer 10 and second rock stratum 11 respectively from top to bottom, and screen pipe 7 passes first rock stratum 9, stops in coal mine layer 10 and second rock stratum 11 juncture.
When the device is used, the hole sealing pipe 6 is installed on the sieve pipe 7, the compressed air hose 8 penetrates through the hole sealing pipe 6 and is fixed on one layer of the sieve pipe 7, then the sieve pipe 7 is inserted into the junction of the coal mine layer 10 and the second rock layer 11, the compressed air pipeline 4 is connected with the compressed air hose 8, the compressed air is opened every 10 minutes by utilizing the electronic delay valve 5, accumulated water in the holes is discharged into the water collecting pipeline 2, and the water collecting pipeline 2 is emptied through the automatic water discharger 3.
Adopt the utility model discloses the scheme can guarantee that the roof is worn the downthehole ponding that does not have of angle of depression drilling of layer, has avoided the excavation work to be influenced by sandstone crack water and construction water, makes the gas drainage in the pit of colliery take out and reach the maximize, has improved drilling utilization ratio and has taken out the extraction effect, has reduced the operating expenses and has taken out the extraction time, and then provides reliable guarantee for the safety in production of mine.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.
Claims (7)
1. The utility model provides an it is downthehole time delay drainage system to be used for angle of depression drilling, includes takes out and adopts flange joint, its characterized in that between water collecting pipe one end and the main pipeline of taking out and adopt: the automatic water drainage device is arranged at the bottom of the water collecting pipeline, the other end, away from the extraction main pipeline, of the water collecting pipeline is connected with the gas extraction pipeline, the water collecting pipeline is connected with the gas extraction pipeline through a flange, a time delay system is arranged on the surface of one side of the gas extraction pipeline, the gas extraction pipeline is fixedly connected with the time delay system, and the gas extraction pipeline is directly inserted into the geological layer.
2. The system for downhole delayed drainage of a depression angle according to claim 1, wherein the gas extraction pipeline comprises a hole sealing pipe and a sieve pipe, wherein one end of the sieve pipe is connected with the water collecting pipeline, and the hole sealing pipe is sleeved on the sieve pipe and is fixedly connected with the sieve pipe.
3. The downhole delayed drainage system for a dive angle borehole according to claim 2, wherein said bore-sealing pipe has a diameter of 50 mm.
4. The underlisting downhole delayed drainage system of claim 2, wherein said screen is 32mm in diameter.
5. The downhole delay drainage system for a dive angle borehole of claim 2, wherein said delay system comprises a pneumatic pipe, an electronic delay valve, and a pneumatic hose, wherein one end of the pneumatic pipe is flanged to the pneumatic hose, and the electronic delay valve is fixedly connected to the pneumatic pipe.
6. The underhole delay drainage system for a deep angle borehole of claim 5, wherein the opposite end of the pneumatic hose from the pneumatic conduit extends through the choke tube and is juxtaposed parallel to the screen.
7. The system of claim 2, wherein the geological formations are a first rock layer, a coal seam and a second rock layer from top to bottom, and the screen passes through the first rock layer and stops at a junction of the coal seam and the second rock layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022089436.6U CN214499158U (en) | 2020-09-22 | 2020-09-22 | Be used for downthehole time delay drainage system of angle of depression drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022089436.6U CN214499158U (en) | 2020-09-22 | 2020-09-22 | Be used for downthehole time delay drainage system of angle of depression drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214499158U true CN214499158U (en) | 2021-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022089436.6U Active CN214499158U (en) | 2020-09-22 | 2020-09-22 | Be used for downthehole time delay drainage system of angle of depression drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214499158U (en) |
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2020
- 2020-09-22 CN CN202022089436.6U patent/CN214499158U/en active Active
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