CN214840124U - Make high moisture natural gas recovery unit of oil and gas well steady production - Google Patents
Make high moisture natural gas recovery unit of oil and gas well steady production Download PDFInfo
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- CN214840124U CN214840124U CN202120838283.2U CN202120838283U CN214840124U CN 214840124 U CN214840124 U CN 214840124U CN 202120838283 U CN202120838283 U CN 202120838283U CN 214840124 U CN214840124 U CN 214840124U
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- 239000007789 gas Substances 0.000 title claims abstract description 79
- 238000005380 natural gas recovery Methods 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 158
- 239000003345 natural gas Substances 0.000 claims abstract description 81
- 238000001816 cooling Methods 0.000 claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000000926 separation method Methods 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 16
- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- 239000007791 liquid phase Substances 0.000 claims abstract description 3
- 239000012071 phase Substances 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000000087 stabilizing effect Effects 0.000 claims description 9
- 239000003498 natural gas condensate Substances 0.000 claims description 6
- 238000011084 recovery Methods 0.000 abstract description 5
- 230000008676 import Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 29
- 235000019198 oils Nutrition 0.000 description 26
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000010779 crude oil Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 235000019476 oil-water mixture Nutrition 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241000191291 Abies alba Species 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a make high moisture oil gas well stable natural gas recovery unit of producing, relate to oil gas recovery technical field, it is low to solve the separation recovery efficiency of natural gas in the current natural gas recovery unit, the technical problem that the natural gas after the compression can not cool down fast and accomplish the transport, including coiled tubing, natural gas recovery unit, natural gas compressor, natural gas pipeline and gas lift process gas pipeline, gas-liquid separation unit, oil-water separation unit and cooling device, gas-liquid separation unit's feed inlet switch-on coiled tubing export, gas-liquid separation unit's liquid phase export switch-on oil-water separation unit's import, gas phase export switch-on natural gas recovery unit's air inlet, cooling device sets up outside the natural gas compressor; the utility model discloses make the natural gas recovery unit of high moisture oil gas well steady output have simple structure, advantage that natural gas recovery efficiency is high.
Description
Technical Field
The utility model relates to an oil gas technical field that gathers, more specifically relates to a make natural gas recovery unit of high moisture oil gas well steady production.
Background
The water carrying phenomenon often occurs in the exploitation process of an oil-gas well, the pressure difference between a reservoir and a shaft can be reduced by a water column which rises continuously, so that the oil-gas production is influenced, and the blowout of the oil-gas well can be stopped due to too much water column in severe cases, especially for a high-water-cut well; based on the situation, the well mouth yield and the pressure of the established oil-gas well natural gas recovery processing device are gradually reduced until the device cannot be operated to force production halt, so that precious oil-gas resources cannot be thoroughly developed, and oil-gas resource waste and the like are caused.
At present, the conventional coiled tubing gas lift liquid drainage operation is adopted to recover the productivity of an oil-gas well, nitrogen is used as a water column in a gas lift process gas injection well to assist in discharging a production string, required equipment is more, the operation belongs to vehicle-mounted moving operation, the operation cost is high, long-term research and development are carried out, natural gas recovered from the oil-gas well is used for replacing nitrogen to serve as the gas lift process gas to obtain certain results, however, in the existing natural gas recovery process, the separation and recovery efficiency of the natural gas in the oil-gas is low, and the compressed natural gas cannot be rapidly cooled and conveyed.
Therefore, the utility model provides a to above problem, provide a make natural gas recovery unit of high moisture oil gas well steady production.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the separation recovery efficiency of natural gas low among the current natural gas recovery unit, the problem of carrying can not accomplished in rapid cooling to the natural gas after the compression, the utility model provides a make the natural gas recovery unit of high moisture oil gas well steady production.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
a natural gas recovery device enabling a high-water-content oil-gas well to stably produce comprises a continuous oil pipe, a natural gas recovery device, a natural gas compressor, a natural gas transmission pipeline and a gas lift process gas pipeline, wherein a gas-liquid separation device, an oil-water separation device and a cooling device are arranged on the natural gas transmission pipeline; a second valve is arranged on the gas lift process gas pipeline; a throttle valve is arranged between the continuous oil pipe and the gas-liquid separation device.
Further, an oil outlet of the oil-water separator is communicated with an oil pipeline, and a water outlet of the oil-water separator is communicated with a water pipeline.
Further, an oil remover is arranged between the natural gas compressor and the natural gas transmission pipeline, and an air inlet of the oil remover is communicated with an air outlet of the natural gas compressor, and an air outlet of the oil remover is communicated with the natural gas transmission pipeline.
Further, cooling device includes first cooling jacket, second cooling jacket and cooling tube, first cooling jacket overlaps to be established at the natural gas compressor outside, second cooling jacket overlaps to be established at the natural gas compressor gas outlet pipeline outside, set up the through-hole that the compression axle of natural gas compressor can run through on the first cooling jacket, first cooling jacket and second cooling jacket intercommunication, the cooling tube sets up inside first cooling jacket and second cooling jacket, wherein, the cooling tube export has been seted up on the first cooling jacket, the cooling tube import has been seted up on the second cooling jacket.
The utility model has the advantages as follows:
the utility model discloses make the natural gas recovery unit of high moisture oil gas well steady production, utilize gas-liquid separation device to natural gas and liquid separation in the oil of production, it is simple high-efficient, it carries out the edulcoration recovery to the natural gas of isolating to recycle natural gas recovery unit, desorption natural gas lime set, further improve the purity of natural gas, then utilize the natural gas compressor to compress the natural gas after retrieving, utilize the outside cooling device of natural gas compressor to cool off the natural gas after the compression fast simultaneously, moreover, the steam generator is simple in structure, and convenient for operation, can obviously shorten the cooling time of the natural gas after the compression, quick safe natural gas input gas lift technology gas pipeline after the compression, thereby get into coiled tubing, accomplish the gas lift technology, and improve the utilization ratio of natural gas.
Drawings
FIG. 1 is a schematic diagram of a natural gas recovery unit for stabilizing the production of a high water content oil and gas well according to the present invention;
FIG. 2 is a schematic view of a cooling apparatus according to the present invention;
reference numerals: 10-coiled tubing; 11-a second valve; 12-a throttle valve; 13-a gas-liquid separation device; 14-oil-water separation device; 15-water conveying pipeline; 16-an oil pipeline; 17-gas lift process gas line; 18-natural gas pipeline; 19-a first valve; 20-oil remover; 21-natural gas compressor; 22-natural gas recovery unit; 23-a natural gas condensate output pipeline; 24-a first cooling jacket; 241-cooling duct outlet; 242-through holes; 25-a second cooling jacket; 251-cooling duct inlet; 26-cooling the 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.
Examples
As shown in figure 1, a natural gas recovery device for stable production of a high water content oil-gas well comprises a continuous oil pipe 10, a natural gas recovery device 22, a natural gas compressor 21, a natural gas transmission pipeline 18 and a gas lift process gas pipeline 17, a gas-liquid separation device 13, an oil-water separation device 14 and a cooling device, wherein a feed inlet of the gas-liquid separation device 13 is communicated with an outlet of the continuous oil pipe 10, a liquid phase outlet of the gas-liquid separation device 13 is communicated with an inlet of the oil-water separation device 14, a gas phase outlet of the gas-liquid separation device 13 is communicated with an air inlet of the natural gas recovery device 22, an oil outlet of the oil-water separation device 14 is communicated with the oil transmission pipeline 16, a water outlet of the oil-water separation device 14 is communicated with the water transmission pipeline 15, an air outlet of the natural gas recovery device 22 is communicated with an air inlet of the natural gas compressor 21, a liquid outlet of the natural gas condensate output pipeline 23, an air outlet of the natural gas compressor 21 is communicated with the natural gas transmission pipeline 18, the natural gas transmission pipeline 18 is communicated with the continuous oil pipe 10 through the gas lift process gas pipeline 17, the cooling device is arranged outside the natural gas compressor 21, wherein a first valve 19 is arranged on the natural gas pipeline 18; the gas lift process gas pipeline 17 is provided with a second valve 11; a throttle valve 12 is arranged between the continuous oil pipe 10 and the gas-liquid separation device 13. The gas-liquid separation device 13 primarily separates gas and oil-water mixture from oil gas produced by the coiled tubing 10, the oil-water mixture continuously enters the oil-water separation device 14 to separate crude oil and water, the crude oil and the water are respectively conveyed by the oil pipeline 16 and the water pipeline 15 for outward transportation, the gas enters the natural gas recovery device 22 for purification, natural gas condensate is recovered, the natural gas condensate is conveyed for outward transportation by the natural gas condensate output pipeline 23, the purified natural gas enters the natural gas compressor 21, the natural gas compressor 21 compresses the natural gas and then conveys the compressed natural gas to the gas lift process gas pipeline 17, and the compressed natural gas is injected into an oil-gas well through the coiled tubing 10; the injected natural gas returns upwards in the oil-gas well, carries with the assistance and discharges the water column in the oil-gas well, and then flows out through the Christmas tree.
The natural gas compressor 21 may also transport the partially compressed natural gas to an outside by using a natural gas transportation pipeline.
In the above, an oil remover 20 is further disposed between the natural gas compressor 21 and the natural gas transmission pipeline 18, and an air inlet of the oil remover 20 is communicated with an air outlet of the natural gas compressor 21 and an air outlet of the oil remover is communicated with the natural gas transmission pipeline 18. The oil remover 20 can further remove crude oil impurities remained in the compressed natural gas, thereby improving the purity of the natural gas.
As shown in fig. 2, the cooling device includes a first cooling jacket 24, a second cooling jacket 25 and a cooling pipeline 26, the first cooling jacket 24 is sleeved outside the natural gas compressor 21, the second cooling jacket 25 is sleeved outside the gas outlet pipeline of the natural gas compressor 21, the first cooling jacket 24 is provided with a through hole 242 through which the compression shaft of the natural gas compressor 21 can pass, the first cooling jacket 24 is communicated with the second cooling jacket 25, and the cooling pipeline 26 is arranged inside the first cooling jacket 24 and the second cooling jacket 25, wherein the first cooling jacket 24 is provided with a cooling pipeline outlet 241, and the second cooling jacket 25 is provided with a cooling pipeline inlet 251.
Among the above-mentioned, cooling device cools off the natural gas after the compression fast, can avoid using modes such as traditional forced air cooling, has improved cooling efficiency, and it is consuming time to have reduced the cooling, has reduced the cooling cost, and wherein cooling tube 26 is the heliciform and encircles outside natural gas compressor 21 gas outlet pipeline and the natural gas compressor 21 outside, and the coolant liquid flows to natural gas compressor 21 from natural gas compressor 21 gas outlet pipeline, neither influences natural gas compressor 21's compression efficiency, can cool off it fast again.
Claims (8)
1. A natural gas recovery device enabling a high-water-content oil-gas well to stably produce comprises a coiled tubing (10), a natural gas recovery device (22), a natural gas compressor (21), a natural gas transmission pipeline (18) and a gas lift process gas pipeline (17), and is characterized by further comprising a gas-liquid separation device (13), an oil-water separation device (14) and a cooling device, wherein a feed inlet of the gas-liquid separation device (13) is communicated with an outlet of the coiled tubing (10), a liquid phase outlet of the gas-liquid separation device (13) is communicated with an inlet of the oil-water separation device (14), a gas phase outlet of the gas-liquid separation device (13) is communicated with a gas inlet of the natural gas recovery device (22), a gas outlet of the natural gas recovery device (22) is communicated with a gas inlet and a liquid outlet of the natural gas compressor (21) and is communicated with a natural gas condensate output pipeline (23), and a gas outlet of the natural gas compressor (21) is communicated with the natural gas transmission pipeline (18), the natural gas pipeline (18) is communicated with the coiled tubing (10) through the gas lift process gas pipeline (17), and the cooling device is arranged outside the natural gas compressor (21).
2. The natural gas recovery device for stabilizing the yield of the high-water-content oil-gas well as the natural gas recovery method are characterized in that an oil outlet of the oil-water separation device (14) is communicated with an oil pipeline (16), and a water outlet of the oil-water separation device is communicated with a water pipeline (15).
3. The natural gas recovery device for stabilizing the yield of the high water-bearing oil-gas well as the production of the high water-bearing oil-gas well is characterized in that an oil remover (20) is arranged between the natural gas compressor (21) and the natural gas transmission pipeline (18), wherein the air inlet of the oil remover (20) is communicated with the air outlet of the natural gas compressor (21), and the air outlet of the oil remover is communicated with the natural gas transmission pipeline (18).
4. The natural gas recovery device for stabilizing the yield of high water content oil and gas wells as claimed in claim 3, wherein the natural gas pipeline (18) is provided with a first valve (19).
5. The natural gas recovery device for stabilizing the yield of the high water content oil-gas well is characterized by comprising a first cooling jacket (24), a second cooling jacket (25) and a cooling pipeline (26), wherein the first cooling jacket (24) is sleeved outside the natural gas compressor (21), the second cooling jacket (25) is sleeved outside an air outlet pipeline of the natural gas compressor (21), a through hole (242) through which a compression shaft of the natural gas compressor (21) can penetrate is formed in the first cooling jacket (24), the first cooling jacket (24) is communicated with the second cooling jacket (25), and the cooling pipeline (26) is arranged inside the first cooling jacket (24) and the second cooling jacket (25).
6. The natural gas recovery device for stabilizing the yield of the high water content oil-gas well as the natural gas recovery device for stabilizing the yield of the high water content oil-gas well are characterized in that a cooling pipeline outlet (241) is formed in the first cooling jacket (24), and a cooling pipeline inlet (251) is formed in the second cooling jacket (25).
7. A natural gas recovery device for stabilizing the production of high water content oil and gas wells as in claim 1 wherein the gas lift process gas line (17) is provided with a second valve (11).
8. The natural gas recovery device for stabilizing the yield of high water content oil and gas wells as claimed in claim 1, characterized in that a throttle valve (12) is provided between the coiled tubing (10) and the gas-liquid separation device (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120838283.2U CN214840124U (en) | 2021-04-22 | 2021-04-22 | Make high moisture natural gas recovery unit of oil and gas well steady production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120838283.2U CN214840124U (en) | 2021-04-22 | 2021-04-22 | Make high moisture natural gas recovery unit of oil and gas well steady production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214840124U true CN214840124U (en) | 2021-11-23 |
Family
ID=78765637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120838283.2U Expired - Fee Related CN214840124U (en) | 2021-04-22 | 2021-04-22 | Make high moisture natural gas recovery unit of oil and gas well steady production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214840124U (en) |
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2021
- 2021-04-22 CN CN202120838283.2U patent/CN214840124U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| 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: 20211123 |