CN111271046A - Self-settling sand separation device for shale gas exploitation - Google Patents
Self-settling sand separation device for shale gas exploitation Download PDFInfo
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- CN111271046A CN111271046A CN202010269521.2A CN202010269521A CN111271046A CN 111271046 A CN111271046 A CN 111271046A CN 202010269521 A CN202010269521 A CN 202010269521A CN 111271046 A CN111271046 A CN 111271046A
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- sand
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- settling
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
Abstract
The invention relates to a self-settling sand separation device for shale gas exploitation, which comprises a cylinder body (8) with end sockets at two ends, wherein an air inlet (1) and an air outlet 10 are respectively arranged at two ends of the cylinder body (8), a pre-separation element (2), a current stabilizer (6) and a coalescer (9) are arranged on the inner wall between the air inlet (1) and the air outlet 10 of the cylinder body (8), a demister (11) is arranged at one end of the air outlet 10 positioned in the cylinder body (8), and a settling chamber and a sewage chamber are arranged on one side of the inner wall of the cylinder body (8) opposite to the pre-separation element (2). According to the invention, through the combined use of the pre-separation element (2), the current stabilizer (6) and the coalescer (9), impurities in the shale gas are efficiently filtered and settled, the working efficiency of the separation device is improved, and the product purity is further improved. The sand settling chamber is arranged, so that blockage caused by sand deposition is avoided, potential safety hazards are avoided, and the stability of the device is improved.
Description
Technical Field
The invention relates to the technical field of shale gas development, in particular to a self-settling sand separation device for shale gas exploitation.
Background
In the oil and gas industry, a gas-liquid mixed fluid in which oil and gas well products simultaneously contain two phase states of a liquid phase and a gas phase is called a multiphase flow, and also comprises a solid phase; wherein the gas phase comprises oil field gas or any gas which is not condensable at normal temperature, such as methane, ethane, propane, butane and the like; the liquid phase comprises an oil phase and a water phase, wherein the oil phase refers to the crude oil and a liquid additive dissolved in the crude oil in the process of crude oil extraction; aqueous phase refers to formation water, water injected into oil and gas wells during production, and other liquid additives dissolved in the aqueous phase. In practical cases, the oil phase and the water phase may be separated, or the oil phase and the water phase may be mixed together, or completely emulsified; the solid phase comprises solids such as sand. Among them, shale gas wellhead fluid belongs to the multiphase flow category.
With the continuous expansion of the demand of society on clean energy and the continuous rising of the price of natural gas, the understanding of people on shale gas is rapidly improved. Particularly, due to continuous progress of horizontal wells and fracturing technology, the exploration and development of shale gas by human beings are forming hot tide. By taking China as a reference, the strong demand of China for natural gas promotes the accelerated development of the shale gas industry. In 2009, the natural gas consumption of our country is 810 billions of cubic meters, wherein the domestic output is 760 billions of cubic meters, accounting for 94%; by the expected 2020, our natural gas gap will break through 1350 billions of cubic meters. Therefore, actively and systematically developing unconventional natural gas resources is an important way and guarantee for satisfying natural gas requirements in China. In order to accelerate the development and utilization of shale gas, the national institute of development and improvement and the national energy source began in 9 months 2009, and a policy for encouraging the exploration, development and utilization of shale gas is formulated. The national energy agency sets up a key technical research project for shale gas exploration and development, increases the scientific and technological offense-and-critical force, breaks through the core technology, and aims to accelerate the pace of shale gas exploration and development in China.
At present, the shale gas exploitation generally adopts hydraulic fracturing, the shale gas exploited from a well site generally comprises a gas phase, a liquid phase and a sand phase, solid impurities in the shale gas cannot be effectively and completely removed in a sand remover in the center of the prior art, and then the solid impurities contained in the shale gas settle in a separator, so that a liquid discharge pipeline of the separator is blocked, and a valve is seriously eroded, so that potential safety hazards are caused, and therefore, a separating device for solving the problems is urgently needed in the field.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a self-settling sand separation device for shale gas exploitation to solve the problem of processing sand in solid-phase impurities, so that the shale gas exploitation by the separation device is smoother, the stability of the device is improved, and the safety factor is enhanced.
The purpose of the invention is realized by the following technical scheme: a self-settling sand separation device for shale gas exploitation; the shale gas filter comprises a cylinder body, the equal rigid coupling in barrel both sides has the head, the barrel both ends are provided with air inlet and gas outlet respectively, air inlet and gas outlet are located same one side of barrel outer wall, be provided with on the inner wall between barrel air inlet and the gas outlet and divide component, current stabilizer and coalescer in advance, it is used for dispersing the shale gas that gets into in the barrel to divide the component in advance, and the current stabilizer is used for reducing the velocity of flow of shale gas in the barrel and further makes shale gas disperse, and the coalescer is used for filtering the impurity in the shale gas, it sets up and is located same one side of air inlet and gas outlet to divide component, current stabilizer and coalescer in advance according to the axial direction of barrel in proper order, it is located the delivery outlet position of air inlet to divide the component in advance, the one end that the gas outlet is located the barrel, a sand settling chamber and a sewage chamber are arranged on one side of the inner wall of the cylinder body, which is opposite to the pre-separation element, the positions of the sand settling chamber correspond to the pre-separation element, the current stabilizer and the coalescer, and the position of the sewage chamber corresponds to the air outlet. The sewage chamber is used for receiving a settlement position and is used for containing filtered liquid impurities.
Preferably, a manual vent, a safety valve, a return air port and a pressure gauge interface are arranged between the air inlet and the air outlet on the cylinder. The manual emptying valve is used for manually emptying redundant gas in the cylinder, and the safety valve plays a role in safety protection when the cylinder works, namely when the system pressure exceeds a specified value, the safety valve is opened to release the pressure, so that the system pressure does not exceed an allowable value, and the system is ensured not to have accidents due to overhigh pressure; the gas return port is used for discharging a certain amount of gas so as to ensure communication and depressurization.
Preferably, the pre-separation element is of a crutch-shaped structure, one end of the crutch-shaped structure is welded on the inner wall of the cylinder body, the other end of the crutch-shaped structure is positioned right below the air inlet, the shale gas is shunted when passing through the crutch-shaped structure, the impurities carried by the shale gas are dispersed while the shale gas is divided, the flow stabilizer is of a perforated baffle structure, the perforated baffle plate structure comprises at least two plate bodies, a plurality of through holes are arranged on the plate bodies, the distribution positions of the through holes on any two adjacent plate bodies are arranged in a crossed manner, the path of the shale gas passing through the hole plates is changed, the flow velocity is effectively reduced, meanwhile, the device is used for further dispersing impurities carried in the shale gas, the gathering and cleaning device comprises a filter element with folds and a filter element frame, the filter element is arranged on the filter element frame, and the filter element frame is welded on the inner wall of the barrel and used for filtering impurities entrained in the shale gas.
Preferably, a weir plate is arranged in the cylinder, the weir plate is perpendicular to the axis of the cylinder and divides the interior of the cylinder into a sand settling chamber and a sewage chamber, the sand settling chamber comprises a first sand settling chamber, a second sand settling chamber and a third sand settling chamber, the first sand settling chamber, the second sand settling chamber and the third sand settling chamber are divided by two sand blocking plates, the sand blocking plates are perpendicular to the axial direction of the cylinder and lower than the weir plate in height, when too much sewage is accumulated in the sewage chamber, the sewage can flow into the sand settling chamber to ensure that the shale gas smoothly flows in the cylinder, the first sand settling chamber, the second sand settling chamber and the third sand settling chamber respectively correspond to the positions of the pre-separation element, the current stabilizer and the coalescer and respectively contain impurities in the feed gas with different qualities, wherein the first sand settling chamber receives the solids, liquid drops and the like dispersed by the feed gas after passing through the pre-separation element, the second settling chamber receives the impurities which are dispersed by the current stabilizer and are smaller than the previous dispersion, and the third settling chamber receives the impurities which are dispersed by the knot-tying device and are smaller than the previous dispersion.
Preferably, the bottoms of the first sand settling chamber, the second sand settling chamber, the third sand settling chamber and the sewage chamber are provided with sand discharge ports, and the bottoms of the first sand settling chamber and the sewage chamber are provided with liquid discharge ports. The sand discharge port and the liquid discharge port are both pipelines controlled by valves, and the valves are manual control rotary valves.
Preferably, be provided with the sand washing pipe on the head that the barrel is close to air inlet one end, the axis of sand washing pipe is parallel with the axis of barrel, the sand washing pipe communicates this head both sides and the one end that inserts in the barrel extends to in the third settling chamber, the sand washing pipe level is not higher than the height of weir plate and there is the clearance between the one end that inserts in the barrel and the weir plate.
Preferably, the port that the sand washing pipe is located the barrel outside is the water inlet, and the port that is located the barrel is the delivery port, be provided with a plurality of flushing holes on the delivery port of sand washing pipe and the pipe wall between the head, the flushing hole is the mode of axial and circumference and arranges on the sand washing pipe, and the washing liquid of spraying on the sand washing hole can prevent to subside the fixed jam that causes it.
Preferably, still be provided with two sets of liquid level detection device in the barrel, two sets of liquid level detection device set up respectively in heavy husky room and sewage chamber, and every liquid level detection device of group includes the high level gauge and the low level gauge of two vertical settings. The liquid level detection device is used for detecting the liquid level in the cylinder body, and is convenient for timely draining liquid and discharging sand.
Preferably, the high level liquid level meter and the low level liquid level meter in the sand settling chamber are respectively positioned on the upper side and the lower side of the plane where the sand washing pipe is positioned, and the high level liquid level meter and the low level liquid level meter in the sewage chamber are respectively positioned on the upper side and the lower side of the horizontal plane where the top of the weir plate is positioned.
The invention has the following advantages:
1. through the combined use of the pre-separation element, the current stabilizer and the coalescer, impurities in the shale gas are efficiently filtered and settled, the working efficiency of the separation device is improved, and the purity of the product is further improved;
2. the sand settling chamber is matched with the pre-separation element, the flow stabilizer and the coalescer, so that the separation device can smoothly work inside, the blockage caused by sand deposition is avoided, the potential safety hazard is further avoided, and the stability of the device is improved;
3. through the setting of the sand discharge port, the cleaning and the maintenance of the device are more convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partially enlarged view of the sand washing pipe;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
in the figure: 1-gas inlet, 2-pre-separation element, 3-manual vent, 4-safety valve, 5-gas return port, 6-flow stabilizer, 7-pressure gauge interface, 8-cylinder, 9-coalescer, 10-gas outlet, 11-demister, 12-liquid outlet, 13-weir plate, 14-liquid level detection device, 15-sand baffle, 16-sand discharge port, 17-sand washing pipe and 18-flushing hole.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following.
As shown in fig. 1, a self-settling sand separation device for shale gas exploitation; including barrel 8, barrel 8 is whole to be steel, the equal rigid coupling in barrel 8 both sides has the head, barrel 8 both ends are provided with air inlet 1 and gas outlet 10 respectively, are provided with the hand-hole on the head that is close to gas outlet 10 one end, and the personnel of being convenient for get into the maintenance, air inlet 1 lies in the same one side of barrel 8 outer wall with gas outlet 10, be provided with on the inner wall between barrel 8 air inlet 1 and the gas outlet 10 and preseparation component 2, current stabilizer 6 and coalescer 9, preseparation component 2 is used for dispersing the shale gas that gets into in barrel 8 in advance, and current stabilizer 6 is used for reducing the velocity of flow of shale gas in barrel 8 and further makes the shale gas disperse, and coalescer 9 is arranged in filtering the impurity in the shale gas, preseparation component 2, current stabilizer 6 and coalescer 9 set up and lie in the same one side of air inlet 1 and gas outlet 10 according to the axial direction of barrel 8 in proper, the pre-separation element 2 is located at the position of an output port of the air inlet 1, a demister 11 is arranged at one end of the air outlet 10 located in the cylinder body 8, the demister 11 is used for removing liquid impurities in shale gas, a sand settling chamber and a sewage chamber are arranged on one side, opposite to the pre-separation element 2, of the inner wall of the cylinder body 8, the position of the sand settling chamber corresponds to the pre-separation element 2, the position of the current stabilizer 6 and the position of the coalescer 9, and the position of the sewage chamber corresponds to the air outlet 10. The sewage chamber is used for receiving a settlement position and is used for containing filtered liquid impurities.
Preferably, a manual vent 3, a safety valve 4, a return air port 5 and a pressure gauge interface 7 are arranged between the air inlet 1 and the air outlet 10 on the cylinder 8. The manual emptying valve is used for manually emptying redundant gas in the cylinder body 8, the safety valve 4 plays a role in safety protection when the cylinder body 8 works, namely when the system pressure exceeds a specified value, the safety valve 4 is opened to release the pressure, so that the system pressure does not exceed an allowable value, and the system is ensured not to have accidents due to overhigh pressure; the return air port 5 is used for discharging a certain amount of gas to ensure communication and depressurization.
Preferably, the pre-separation element 2 is a crutch-shaped structure, one end of the crutch-shaped structure is welded on the inner wall of the cylinder 8, the other end is positioned right below the gas inlet 1, the shale gas is shunted when passing through the crutch-shaped structure, impurities carried by the shale gas are dispersed while the shale gas is shunted, the flow stabilizer 6 is of a perforated baffle structure, the perforated baffle plate structure comprises at least two plate bodies, a plurality of through holes are arranged on the plate bodies, the distribution positions of the through holes on any two adjacent plate bodies are arranged in a crossed manner, the path of the shale gas passing through the hole plates is changed, the flow velocity is effectively reduced, meanwhile, the device is used for further dispersing impurities carried in the shale gas, the gathering and cleaning device comprises a filter element with folds and a filter element frame, the filter core sets up on the filter core frame, the filter core frame welds on the inner wall of barrel 8 for impurity smugglied secretly in the shale gas filters.
Preferably, a weir plate 13 is arranged in the cylinder 8, the weir plate 13 is perpendicular to the axis of the cylinder 8 and divides the interior of the cylinder 8 into two parts, namely a sand settling chamber and a sewage chamber, the sand settling chamber comprises a first sand settling chamber, a second sand settling chamber and a third sand settling chamber, the first sand settling chamber, the second sand settling chamber and the third sand settling chamber are separated by two sand baffles 15, the sand baffles 15 are steel plate-shaped structures and are fixed in the cylinder 8 in a welding manner, the sand baffles 15 are perpendicular to the axial direction of the cylinder 8 and are lower than the weir plate 13, when too much sewage is accumulated in the sewage chamber, the sewage can flow into the sand settling chamber to ensure that shale gas flows in the cylinder 8, the first sand settling chamber, the second sand settling chamber and the third sand settling chamber respectively correspond to the positions of the pre-separation element 2, the flow stabilizer 6 and the coalescer 9 and respectively contain impurities in feed gas with different qualities, wherein the first sand settling chamber receives the dispersed solid, liquid drop and the like of the raw material gas after passing through the pre-separation element 2, the second sand settling chamber receives the dispersed impurities smaller than the former dispersed impurities by the current stabilizer 6, and the third sand settling chamber receives the dispersed impurities smaller than the former dispersed impurities by the knot breaker.
Preferably, the bottom parts of the first sand settling chamber, the second sand settling chamber, the third sand settling chamber and the sewage chamber are all provided with sand discharge ports 16, and the bottom parts of the first sand settling chamber and the sewage chamber are all provided with liquid discharge ports 12. The sand discharge port 16 and the liquid discharge port 12 are both pipelines controlled by valves, and the valves are manual control rotary valves.
Preferably, a sand washing pipe 17 is arranged on a seal head at one end of the cylinder 8 close to the air inlet 1, the sand washing pipe 17 is used for washing water inside the separation device so as to clean the separation device, the axis of the sand washing pipe 17 is parallel to the axis of the cylinder 8, the sand washing pipe 17 is communicated with two sides of the seal head, one end inserted into the cylinder 8 extends into the third sand settling chamber, the horizontal height of the sand washing pipe 17 is not higher than the height of the weir plate 13, and a gap exists between one end inserted into the cylinder 8 and the weir plate 13.
Preferably, the port of the sand washing pipe 17 located outside the barrel 8 is a water inlet, the port located inside the barrel 8 is a water outlet, a plurality of flushing holes 18 are arranged on the pipe wall between the water outlet of the sand washing pipe 17 and the seal head, the flushing holes 18 are arranged on the sand washing pipe 17 in an axial and circumferential mode, and flushing liquid sprayed on the sand washing holes can prevent the sand washing pipe from being blocked due to sedimentation fixation. In order to achieve good washing effect, 8 through holes are drilled on the pipe walls of the sand washing pipe 17 at the two sides opposite to the liquid flowing direction at intervals of 50 mm.
Preferably, still be provided with two sets of liquid level detection device 14 in the barrel 8, two sets of liquid level detection device 14 set up respectively in heavy husky room and sewage chamber, and every liquid level detection device 14 of group includes two level gauges, and two level gauges divide into high-order level gauge and low level gauge through vertical setting position relation. The liquid level detection device 14 is used for detecting the liquid level in the barrel 8, and is convenient for draining liquid and sand in time.
Preferably, the high level liquid level meter and the low level liquid level meter in the sand settling chamber are respectively positioned at the upper side and the lower side of the plane where the sand washing pipe 17 is positioned, and the high level liquid level meter and the low level liquid level meter in the sewage chamber are respectively positioned at the upper side and the lower side of the horizontal plane where the top of the weir plate 13 is positioned. The liquid level meter can adopt a pressure type liquid level meter, an ultrasonic wave liquid level meter, a sonar wave liquid level meter and the like.
Further, since the cylinder 8 and most of the internal components maintain the steel structure, in order to prevent the steel structure from being corroded under the long-term action of gas and liquid and affecting the service life and stability of the device, the high polymer composite material is sprayed in the cylinder 8.
The working process of the invention is as follows: shale gas is input into the barrel 8 from the gas inlet 1, the shale gas is shunted when passing through the pre-separation element 2, and impurities carried in the shale gas fall into the first sand settling chamber when being shunted. The shale gas further passes through the flow stabilizer 6, and under the effect of the through holes which are arranged between the baffles of the flow stabilizer 6 in a crossed manner, the flow path of the shale gas is continuously changed, so that the flow speed of the shale gas is reduced, and the impurities carried in the shale gas are further dispersed. The shale gas is treated by the flow stabilizer 6 and then reaches the coalescer 9, impurities carried in the shale gas are basically filtered under the action of a filter element folded by the coalescer 9, and the pre-separation element 2, the flow stabilizer 6 and the coalescer 9 separate particles with different sizes, so that the particles with different sizes can be collected and treated conveniently. The shale gas further passes through the demister 11, and the demister 11 removes liquid substances in the shale gas, and the liquid substances fall into the sewage chamber. The shale gas filtered by the demister 11 is discharged from the gas outlet 10. When filtering shale gas in barrel 8, wash by water in order to wash in the barrel 8 of sand washing pipe 17, can also prevent to subside the fixed jam that causes it. When the staff observes that the liquid level in the barrel 8 reaches a specified value through the liquid level meter, sand and liquid can be discharged through the sand discharge port 16 and the liquid discharge port 12.
Claims (9)
1. The utility model provides a from settling sand separator for shale gas exploitation which characterized in that: barrel (8) including both ends all are provided with the head, barrel (8) both ends are provided with air inlet (1) and gas outlet 10 respectively, air inlet (1) and gas outlet 10 are located same one side of barrel (8) outer wall, be provided with on the inner wall between barrel (8) air inlet (1) and the gas outlet 10 and divide component (2), current stabilizer (6) and coalescer (9) in advance, it sets up and is located same one side of air inlet (1) and gas outlet 10 to divide component (2), current stabilizer (6) and coalescer (9) in advance according to the axial direction of barrel (8) in proper order, one end that gas outlet 10 is located barrel (8) is provided with defroster (11), be provided with sand settling chamber and sewage chamber on one side that barrel (8) inner wall and pre-divided component (2) are relative, the position of sand settling chamber and pre-divided component (2), The flow stabilizer (6) corresponds to the coalescer (9), and the position of the sewage chamber corresponds to the air outlet 10.
2. The self-settling sand separation device for shale gas exploitation as claimed in claim 1, wherein: and a manual emptying port 3, a safety valve (4), an air return port (5) and a pressure gauge connector (7) are arranged between the air inlet (1) and the air outlet 10 on the cylinder body (8).
3. The self-settling sand separation device for shale gas exploitation as claimed in claim 1, wherein: pre-separation element (2) is for turning the column structure, turn on the inner wall of column structure one end welding and barrel (8), the other end is located air inlet (1) under, current stabilizer (6) are perforation type baffle structure, perforation type baffle structure includes two piece at least plate bodys, all be provided with a plurality of through-holes on the plate body, through-hole distribution position cross arrangement on two arbitrary adjacent plate bodys, gather clean ware including the filter core and the filter core frame of taking the fold, the filter core sets up on the filter core frame, the filter core frame welds on the inner wall of barrel (8).
4. The self-settling sand separation device for shale gas exploitation as claimed in claim 1, wherein: be provided with weir plate (13) in barrel (8), weir plate (13) are perpendicular mutually and with the axis of barrel (8) in separate into sand setting chamber and sewage room two parts, the sand setting chamber includes first sand setting chamber, second sand setting chamber and third sand setting chamber, separate through two sand baffles (15) between first sand setting chamber, second sand setting chamber and the third sand setting chamber, sand baffle (15) are perpendicular mutually and than the height of weir plate (13) with the axial of barrel (8) and low, first sand setting chamber, second sand setting chamber and third sand setting chamber respectively with the position of preseparating component (2), current stabilizer (6) and coalescer (9) corresponding.
5. The self-settling sand separation device for shale gas exploitation as claimed in claim 4, wherein: the bottom parts of the first sand settling chamber, the second sand settling chamber, the third sand settling chamber and the sewage chamber are all provided with sand discharge ports (16), and the bottom parts of the first sand settling chamber and the sewage chamber are all provided with liquid discharge ports (12).
6. The self-settling sand separation device for shale gas exploitation as claimed in claim 5, wherein: be provided with sand washing pipe (17) on barrel (8) is close to the head of air inlet (1) one end, the axis of sand washing pipe (17) parallels with the axis of barrel (8), sand washing pipe (17) intercommunication this head both sides and insert in barrel (8) one end extend to the third in the sand setting chamber, there is the clearance between sand washing pipe (17) level is not higher than the height of weir plate (13) and the one end that inserts in barrel (8) and weir plate (13).
7. The self-settling sand separation device for shale gas exploitation as claimed in claim 6, wherein: the port that sand washing pipe (17) are located outside barrel (8) is the water inlet, and the port that is located barrel (8) is the delivery port, be provided with a plurality of flushing holes (18) on the delivery port of sand washing pipe (17) and the pipe wall between the head, flushing hole (18) are axial and circumferential mode and arrange on sand washing pipe (17).
8. The self-settling sand separation device for shale gas exploitation as claimed in claim 7, wherein: still be provided with two sets of liquid level detection device (14) in barrel (8), two sets of liquid level detection device (14) set up respectively in heavy husky room and sewage chamber, and every liquid level detection device of group (14) includes the high level gauge and the low level gauge of two vertical settings.
9. The self-settling sand separation device for shale gas exploitation as claimed in claim 8, wherein: the high-level liquid level meter and the low-level liquid level meter in the sand settling chamber are respectively positioned on the upper side and the lower side of the plane where the sand washing pipe (17) is positioned, and the high-level liquid level meter and the low-level liquid level meter in the sewage chamber are respectively positioned on the upper side and the lower side of the horizontal plane where the top of the weir plate (13) is positioned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010269521.2A CN111271046A (en) | 2020-04-08 | 2020-04-08 | Self-settling sand separation device for shale gas exploitation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010269521.2A CN111271046A (en) | 2020-04-08 | 2020-04-08 | Self-settling sand separation device for shale gas exploitation |
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| Publication Number | Publication Date |
|---|---|
| CN111271046A true CN111271046A (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010269521.2A Pending CN111271046A (en) | 2020-04-08 | 2020-04-08 | Self-settling sand separation device for shale gas exploitation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112495064A (en) * | 2020-12-22 | 2021-03-16 | 中国石油天然气集团有限公司 | Horizontal cyclone sand remover for shale gas |
| CN113027412A (en) * | 2021-03-25 | 2021-06-25 | 西南石油大学 | Self-settling sand separation device for shale gas exploitation |
| CN113445985A (en) * | 2021-09-02 | 2021-09-28 | 西安石油大学 | Shale gas desanding and separating device |
| CN116658147A (en) * | 2023-07-28 | 2023-08-29 | 四川凌耘建科技有限公司 | Built-in inclined plate sand removal and separation integrated device and sand removal and separation method |
-
2020
- 2020-04-08 CN CN202010269521.2A patent/CN111271046A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112495064A (en) * | 2020-12-22 | 2021-03-16 | 中国石油天然气集团有限公司 | Horizontal cyclone sand remover for shale gas |
| CN113027412A (en) * | 2021-03-25 | 2021-06-25 | 西南石油大学 | Self-settling sand separation device for shale gas exploitation |
| CN113445985A (en) * | 2021-09-02 | 2021-09-28 | 西安石油大学 | Shale gas desanding and separating device |
| CN113445985B (en) * | 2021-09-02 | 2021-11-19 | 西安石油大学 | Shale gas desanding and separating device |
| CN116658147A (en) * | 2023-07-28 | 2023-08-29 | 四川凌耘建科技有限公司 | Built-in inclined plate sand removal and separation integrated device and sand removal and separation method |
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