CN214836299U - Natural gas well initial stage blowout gas recovery unit - Google Patents
Natural gas well initial stage blowout gas recovery unit Download PDFInfo
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- CN214836299U CN214836299U CN202120842533.XU CN202120842533U CN214836299U CN 214836299 U CN214836299 U CN 214836299U CN 202120842533 U CN202120842533 U CN 202120842533U CN 214836299 U CN214836299 U CN 214836299U
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- natural gas
- gas
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- pipe
- horizontal sand
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- 239000007789 gas Substances 0.000 title claims abstract description 56
- 239000002343 natural gas well Substances 0.000 title claims abstract description 31
- 238000011084 recovery Methods 0.000 title claims abstract description 27
- 239000004576 sand Substances 0.000 claims abstract description 90
- 238000007664 blowing Methods 0.000 claims abstract description 34
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 146
- 239000003345 natural gas Substances 0.000 claims description 75
- 239000007788 liquid Substances 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 description 17
- 238000003860 storage Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a natural gas well initial stage blowout gas recovery unit, relate to the oil and gas exploitation technical field, solve the horizontal sand discharge pipe and the vertical sand discharge pipe in the current natural gas well initial stage blowout gas recovery unit and easily appear blocking up, desanding inefficiency and wash inconveniently, the technical problem of low process efficiency, including horizontal sand settling tank, gas blowing device and oil and gas separator, horizontal sand settling tank below is equipped with horizontal sand discharge pipe, is equipped with a plurality of vertical sand discharge pipes between horizontal sand discharge pipe and horizontal sand settling tank bottom, horizontal sand discharge pipe one end is equipped with the closure plate, the other end is equipped with first valve, horizontal sand discharge pipe bottom is equipped with a plurality of first through-holes, is equipped with the second through-hole on the closure plate; the utility model relates to a natural gas well initial stage blowout gas recovery unit has the advantage that degritting is efficient, simple structure, convenient operation.
Description
Technical Field
The utility model relates to an oil and gas exploitation technical field, more specifically relate to a natural gas well initial stage blowout gas recovery unit.
Background
Natural gas is used as clean energy, the application field is very wide, and the natural gas is still an open mode of air combustion at the initial stage of exploitation due to the restriction of production conditions, so that the energy is wasted, and the ecological environment is polluted; after fracturing, the natural gas well enters a blowout stage, so that production induction can be performed on the natural gas well, and fracturing fluid and unstable fracturing sand in a shaft and a zone close to the shaft can be removed; however, the natural gas well pressure in the blowout stage is high, the mixed natural gas has high outlet flow speed and contains sand and liquid, and the sand erosion is easily caused to normal production equipment.
Chinese patent CN205047209U discloses a natural gas well initial stage blowout gas recovery device, which comprises a horizontal sand settling tank and an oil-gas separator, wherein a horizontal sand discharge pipe is arranged below the horizontal sand settling tank, a plurality of vertical sand discharge guide pipes are arranged between the horizontal sand discharge pipe and the bottom of the horizontal sand settling tank, one end of the horizontal sand discharge pipe is provided with a quick-opening valve, a natural gas inlet pipe is arranged at the middle upper part of one side of the horizontal sand settling tank, a sacrificial baffle is hung at the position, corresponding to the outlet of the natural gas inlet pipe, in the horizontal sand settling tank, the middle lower part of the other side of the horizontal sand settling tank is provided with a liquid discharge pipe communicated with the oil-gas separator and a liquid level meter at the same level with the inlet of the liquid discharge pipe, a pneumatic valve III controlled by the liquid level meter is arranged on a pipeline of the liquid discharge pipe positioned outside the horizontal sand settling tank, and the top of the horizontal sand settling tank is provided with a natural gas outlet I with a torch and provided with the pneumatic valve I, and a natural gas outlet II with a pneumatic valve II to the production manifold. Inferior use is novel in the level that sets up bottom the horizontal sand setting tank let out the sand pipe and let out the sand pipe perpendicularly if the sand volume is more, appear blockking up easily letting out the sand in-process to reduce degritting efficiency, level let out the sand pipe in addition and let out the sand pipe perpendicularly and wash inconveniently, process efficiency is low.
Therefore, the utility model provides a to above problem, provide a natural gas well initial stage blowout gas recovery unit.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problem that the sand pipe is let out to the level among the current natural gas well initial stage blowout gas recovery unit and let out the sand pipe perpendicularly and block up easily, desanding inefficiency and washing inconvenience, the process efficiency is low, the utility model provides a natural gas well initial stage blowout gas recovery unit.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
a natural gas well initial stage blowout gas recovery device comprises a horizontal sand settling tank, a gas blowing device and an oil-gas separator, wherein a horizontal sand discharging pipe is arranged below the horizontal sand settling tank, a plurality of vertical sand discharging pipes are arranged between the horizontal sand discharging pipe and the bottom of the horizontal sand settling tank, one end of the horizontal sand discharging pipe is provided with a plugging plate, the other end of the horizontal sand discharging pipe is provided with a first valve, a natural gas inlet pipe is arranged at the middle-upper part of one side of the horizontal sand settling tank, a sacrificial baffle is hung at the position, corresponding to the outlet of the natural gas inlet pipe, in the horizontal sand settling tank, the middle-lower part of the other side of the horizontal sand settling tank is provided with a liquid discharging pipe communicated with the oil-gas separator, the top of the horizontal sand settling tank is provided with a first natural gas outlet, a second natural gas outlet, a first safety valve, a first pressure gauge and an inspection manhole, the bottom of the horizontal sand discharge pipe is provided with a plurality of first through holes, the plugging plate is provided with a second through hole, a liquid level meter is arranged at the inlet of the liquid discharge pipe, and a pneumatic valve controlled by the liquid level meter is arranged on a pipeline of the liquid discharge pipe positioned outside the horizontal sand settling tank; the horizontal sand setting tank adopts a prying block type structure, and the top of the horizontal sand setting tank is additionally provided with a safety fence; and a second safety valve and a second pressure gauge are arranged at the top of the oil-gas separator.
Furthermore, the blowing device comprises a natural gas guide pipe, a natural gas compressor and a blowing guide pipe, wherein one end of the natural gas guide pipe is communicated with the second natural gas outlet, the other end of the natural gas guide pipe is communicated with the air inlet of the natural gas compressor, one end of the blowing guide pipe is communicated with the air outlet of the natural gas compressor, and the other end of the blowing guide pipe is provided with a plurality of blowing nozzles.
In the above, the air blowing duct is provided with a plurality of second valves.
In the above, the end of the natural gas conduit far from the gas inlet of the natural gas compressor is provided with a third valve.
In the above, the gas inlet of the natural gas compressor is detachably connected with the natural gas conduit, and the gas outlet of the natural gas compressor is detachably connected with the blowing conduit.
In the above, the natural gas compressor may be replaced with a water storage tank.
The utility model has the advantages as follows:
the utility model relates to a natural gas well initial stage blowout gas recovery unit improves current natural gas well initial stage blowout gas recovery unit, increases gas blowing device, carries the natural gas of second natural gas export to the natural gas compressor and compresses, carries to each vertical sand discharge pipe through the pipe of blowing, can blow the sand setting of vertical sand discharge pipe and flow aid, avoids taking place the jam in vertical sand discharge pipe and the horizontal sand discharge pipe, improves desanding efficiency;
the utility model relates to a natural gas well is given vent to anger and is blown gas recovery unit, the natural gas compressor who demolishs the natural gas pipe among its gas blowing device can be replaced for the water storage box, utilizes original pipe output high-pressure rivers that blow to the realization is to leaking the washing of sand pipe and level sand pipe perpendicularly, simple structure, convenient operation, and process cost obviously reduces.
Drawings
FIG. 1 is a schematic diagram of an initial blowout gas recovery device for a natural gas well according to the present invention;
reference numerals: 10-horizontal sand setting tank; 11-a first safety valve; 12-a first pressure gauge; 13-inspection manhole; 14-a first natural gas outlet; 15-a second natural gas outlet; 16-a third valve; 17-a natural gas conduit; 18-a sacrificial baffle; 19-a liquid level meter; 20-pneumatic valves; 21-an oil-gas separator; 22-drain pipe; 23-natural gas compressor; 24-a second via; 25-plugging plate; 26-horizontal sand drain pipes; 27-a second valve; 28-an insufflation catheter; 29-air blowing nozzles; 30-a first via; 31-vertical sand drain pipe; 32-a first valve; 33-natural gas inlet pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.
Example 1
As shown in fig. 1, the recovery device for the initial blowout gas of the natural gas well comprises a horizontal sand settling tank 10, an oil-gas separator 21 and a gas blowing device, wherein a horizontal sand discharging pipe 26 is arranged below the horizontal sand settling tank 10, 4 vertical sand discharging pipes 31 are arranged between the horizontal sand discharging pipe 26 and the bottom of the horizontal sand settling tank 10, one end of the horizontal sand discharging pipe 26 is provided with a blocking plate 25, the other end of the horizontal sand discharging pipe 26 is provided with a first valve 32, a natural gas inlet pipe 33 is arranged at the middle upper part of one side of the horizontal sand settling tank 10, a sacrificial blocking plate 18 is hung in the horizontal sand settling tank 10 corresponding to the outlet of the natural gas inlet pipe 33, a liquid discharging pipe 22 communicated with the oil-gas separator 21 is arranged at the middle lower part of the other side of the horizontal sand settling tank 10, a first natural gas outlet 14 and a second natural gas outlet 15, a first safety valve 11, a first pressure gauge 12 and an inspection manhole 13 are arranged at the top of the horizontal sand settling tank 10, the first natural gas outlet 14 and the second natural gas outlet 15 are both provided with switches for automatically switching pneumatic valves, the pneumatic valve of the first natural gas outlet 14 is opened to recover the initial bleed air of the natural gas well; wherein, the bottom of the horizontal sand discharging pipe 26 is provided with 4 first through holes 30 so that 4 air blowing nozzles 29 can pass through; the plugging plate 25 is provided with a second through hole 24 so that another air blowing nozzle 29 can pass through the second through hole; a liquid level meter 19 is arranged at the inlet of the liquid discharge pipe 22, the liquid level height in the horizontal type grit chamber 10 is detected, the pneumatic valve 20 is controlled to automatically discharge liquid and the liquid enters an oil-gas separator 21, and the pneumatic valve 20 controlled by the liquid level meter is arranged on a pipeline of the liquid discharge pipe 22 positioned outside the horizontal type grit chamber 10; the horizontal sand setting tank 10 adopts a prying block type structure, and a safety fence is additionally arranged at the top of the horizontal sand setting tank 10; and a second safety valve and a second pressure gauge are arranged at the top of the oil-gas separator 21 to ensure the normal operation of the oil-gas separator 21.
Further, the blowing device comprises a natural gas guide pipe 17, a natural gas compressor 23 and a blowing guide pipe 28, one end of the natural gas guide pipe 17 is communicated with the second natural gas outlet 15, the other end of the natural gas guide pipe is communicated with the air inlet of the natural gas compressor 23, one end of the blowing guide pipe 28 is communicated with the air outlet of the natural gas compressor 23, and the other end of the blowing guide pipe is provided with 5 blowing nozzles 29.
In the above, 5 second valves 27 are provided on the insufflation catheter 28; the natural gas conduit 17 is provided with a third valve 16 at an end thereof remote from the inlet of the natural gas compressor 23.
When the normal desanding of above-mentioned natural gas well initial stage blowout gas recovery unit, open 4 second valves 27 that the vertical direction was equipped with on the pipe 28 of blowing simultaneously, utilize natural gas compressor 23 compression back with the natural gas that second natural gas export 15 was collected, blow the shower nozzle 29 blowout of blowing that the vertical direction set up on the pipe 28 of blowing, so that blow to 4 vertical sand discharge pipe 31 in the sand mixture and flow aid, help its fast flow in horizontal sand discharge pipe 26, avoid 4 vertical sand discharge pipe 31 to take place to block up, improve desanding efficiency.
Example 2
The utility model relates to a natural gas well initial stage blowout gas recovery unit, wherein, the gas inlet of a natural gas compressor 23 is detachably connected with a natural gas conduit 17, and the gas outlet of the natural gas compressor 23 is detachably connected with a blowing conduit 28; when the bottom of the horizontal sand settling tank 10 needs to be cleaned in the vertical sand discharging pipe 31 and the horizontal sand discharging pipe 26, the natural gas guide pipe 17 is removed, the natural gas compressor 23 is replaced by a water storage tank, a water outlet pipe of the water storage tank is communicated with the air blowing guide pipe 28, all the second valves 27 are opened, the water storage tank outputs high-pressure water flow by utilizing the air blowing guide pipe 28, the bottom of the horizontal sand settling tank 10, the vertical sand discharging pipe 31 and the horizontal sand discharging pipe 26 are washed, and cleaning waste liquid is collected from the first valve 32 to carry out a post-treatment process.
Claims (9)
1. The utility model provides a natural gas well initial stage blowout gas recovery unit, including horizontal grit chamber (10) and oil and gas separator (21), horizontal grit chamber (10) below is equipped with horizontal sand discharge pipe (26), be equipped with a plurality of perpendicular sand discharge pipe (31) between horizontal sand discharge pipe (26) and horizontal grit chamber (10) bottom, horizontal sand discharge pipe (26) one end is equipped with shutoff board (25), the other end is equipped with first valve (32), horizontal grit chamber (10) one side well upper portion is equipped with natural gas intake pipe (33), the export position that corresponds natural gas intake pipe (33) in horizontal grit chamber (10) hangs and is equipped with sacrificial baffle (18), horizontal grit chamber (10) opposite side well lower portion is equipped with fluid-discharge tube (22) that communicate with oil and gas separator (21), horizontal grit chamber (10) top is equipped with first natural gas export (14) and second natural gas export (15), first relief valve (11), A first pressure gauge (12) and an inspection manhole (13), characterized by also comprising a blowing device.
2. The recovery device of the initial blowout gas of the natural gas well is characterized in that the blowing device comprises a natural gas guide pipe (17), a natural gas compressor (23) and a blowing guide pipe (28), one end of the natural gas guide pipe (17) is communicated with a second natural gas outlet (15), the other end of the natural gas guide pipe is communicated with an air inlet of the natural gas compressor (23), one end of the blowing guide pipe (28) is communicated with an air outlet of the natural gas compressor (23), and the other end of the blowing guide pipe is provided with a plurality of blowing nozzles (29).
3. The recovery device of the initial blowout gas of the natural gas well as the claim 2, wherein the blow-off conduit (28) is provided with a plurality of second valves (27).
4. The recovery device for the initial blowout gas of the natural gas well is characterized in that a third valve (16) is arranged at one end of the natural gas guide pipe (17) far away from the gas inlet of the natural gas compressor (23).
5. The recovery device for the initial blowout gas of the natural gas well is characterized in that the gas inlet of the natural gas compressor (23) is detachably connected with the natural gas guide pipe (17), and the gas outlet of the natural gas compressor (23) is detachably connected with the blowing guide pipe (28).
6. The natural gas well initial blowout gas recovery device as set forth in claim 2 wherein the natural gas compressor (23) is replaceable with a water reservoir.
7. The recovery device for the initial blowout gas of the natural gas well is characterized in that the bottom of the horizontal sand leaking pipe (26) is provided with a plurality of first through holes (30).
8. The recovery device for the initial blowout gas of the natural gas well is characterized in that the blocking plate (25) is provided with a second through hole (24).
9. The recovery device for the initial blowout gas of the natural gas well is characterized in that a liquid level meter (19) is arranged at the inlet of the liquid discharge pipe (22), and a pneumatic valve (20) controlled by the liquid level meter is arranged on a pipeline of the liquid discharge pipe (22) positioned outside the horizontal grit chamber (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120842533.XU CN214836299U (en) | 2021-04-22 | 2021-04-22 | Natural gas well initial stage blowout gas recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120842533.XU CN214836299U (en) | 2021-04-22 | 2021-04-22 | Natural gas well initial stage blowout gas recovery unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214836299U true CN214836299U (en) | 2021-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120842533.XU Expired - Fee Related CN214836299U (en) | 2021-04-22 | 2021-04-22 | Natural gas well initial stage blowout gas recovery unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214836299U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737931A (en) * | 2022-03-23 | 2022-07-12 | 四川宏华石油设备有限公司 | Natural gas desanding system and desanding method by utilizing pressure and flow velocity regulation |
-
2021
- 2021-04-22 CN CN202120842533.XU patent/CN214836299U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737931A (en) * | 2022-03-23 | 2022-07-12 | 四川宏华石油设备有限公司 | Natural gas desanding system and desanding method by utilizing pressure and flow velocity regulation |
| CN114737931B (en) * | 2022-03-23 | 2023-12-15 | 四川宏华石油设备有限公司 | Natural gas sand removal system and method using pressure and flow rate to adjust |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |