CN211115952U - Well site flowback fluid treatment integrated device - Google Patents
Well site flowback fluid treatment integrated device Download PDFInfo
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- CN211115952U CN211115952U CN201921845143.7U CN201921845143U CN211115952U CN 211115952 U CN211115952 U CN 211115952U CN 201921845143 U CN201921845143 U CN 201921845143U CN 211115952 U CN211115952 U CN 211115952U
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Abstract
The utility model provides an integration device is handled to flowing back is returned to well site, the on-line screen storage device comprises a base, three-phase separator locates on the base through the support, one side of three-phase separator is located to crude oil input pipeline, three-phase separator's opposite side is all located to oil defeated pipeline and water defeated pipeline, and communicate with three-phase separator's side end face, associated gas output pipeline and three-phase separator's top intercommunication, three-phase separator's bottom is equipped with drain and sand discharge outlet, drain and sand discharge outlet all communicate with the blowdown main line, pass through the pipeline intercommunication between oil defeated pipeline and the blowdown main line, pass through the pipeline intercommunication between water defeated pipeline and the blowdown main line. The utility model discloses with three-phase separator and cyclone skid-mounted on the support, realize well site flowback liquid middle oil, separation, the outer defeated of water and associated gas, compact structure and operating efficiency are high, area is little, construction cycle is short, can effectively realize the associated gas and retrieve, reduce low reaches station heating energy consumption.
Description
Technical Field
The utility model belongs to the technical field of the oil field crude oil treatment, concretely relates to flowing back integration device is handled to well site flowback liquid.
Background
The Changqing oil field adopts a horizontal well fracturing development mode, and the produced substances at the initial open flow stage of the oil production well have high water content and high liquid amount (the maximum of about 100m of a single well)3And d), the initial stage time is long (129 days), the water content of the produced material is high (35-80%), and the composition is complex (containing fracturing fluid, various medicaments and the like). The ground system is difficult to operate, and a large amount of produced water cannot be recycled.
At present, in the oil-gas gathering and transportation treatment process, a crude oil heating and separating device which is formed by combining a water jacket furnace and an oil-gas-water three-phase separator is adopted for separating crude oil. During the use, splendid attire water in the furnace body of water jacket stove, during crude oil directly got into the crude oil coil pipe in the furnace body of water jacket stove, the combustor burning through the water jacket stove is to the heating of the smoke and fire tube that is located the furnace body, and the heat transfer on the smoke and fire tube gives water and to water heating, and the heat transfer of aquatic is for the crude oil coil pipe, realizes the heating to crude oil, and the crude oil after the heating gets into oil gas water three-phase separator 1 and separates.
The crude oil heating and separating device formed by combining the water jacket furnace and the oil-gas-water three-phase separator has the following defects:
1) the flame generated by the combustion of the burner heats the smoke and fire tube, the heat on the smoke and fire tube is transferred to the intermediate medium water, then the heat is transferred to the crude oil coil tube by the water, and the crude oil coil tube transfers the heat to the crude oil to realize the heating of the crude oil, so the heating temperature of the crude oil is usually about 40-50 ℃, the temperature of the crude oil is not high, the crude oil heating and separating requirements can not be well met, the crude oil separating effect is influenced, and the associated gas can not be recovered;
2) a water jacket furnace is adopted for a heating part, so that the fuel gas consumption is high and the separation cost is high;
3) because the water is adopted for indirect heating, the heat exchange area is large, and the volume of the water jacket furnace is large, the whole crude oil heating and separating device is large in volume, heavy in weight and large in occupied area.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an integration device is handled to flowing back is returned to well site solves the unable recovery of current well site associated gas, the too big problem of low reaches station yard heating energy consumption.
Therefore, the utility model provides a technical scheme as follows:
a well site flowback liquid treatment integrated device comprises a base and a three-phase separation device, wherein the three-phase separation device is arranged on the base through a support, and further comprises a crude oil input pipeline, an oil output pipeline, a water output pipeline, an associated gas output pipeline and a main sewage discharge pipeline;
the device comprises a three-phase separator, a crude oil input pipeline, an associated gas output pipeline, a water output pipeline, a sewage discharge port and a sand discharge port, wherein the crude oil input pipeline is arranged on one side of the three-phase separator, the oil output pipeline and the water output pipeline are both arranged on the other side of the three-phase separator and are communicated with the side end face of the three-phase separator, the associated gas output pipeline is communicated with the top of the three-phase separator, the bottom of the three-phase separator is provided with the sewage discharge port and the sand discharge port, the sewage discharge port and the sand discharge port are both communicated with a main sewage discharge pipeline, the oil output pipeline and the main sewage discharge pipeline are communicated through pipelines, a fifth valve is arranged on the pipelines, the;
and a crude oil input pipeline branch line is arranged on the crude oil input pipeline, the crude oil input pipeline is communicated with the cyclone separator, an associated gas transfer pipeline is communicated between the top end of the cyclone separator and the top end of the three-phase separator, and the bottom end of the cyclone separator is communicated with the tank body of the three-phase separator.
The three-phase separator is characterized in that a first safety valve output pipeline and a second safety valve output pipeline are arranged at the top of the three-phase separator in parallel, associated gas emptying pipelines are communicated with outlets of the first safety valve output pipeline and the second safety valve output pipeline in parallel, a seventh valve, a first safety valve and a ninth valve are sequentially arranged on the first safety valve output pipeline, an eighth valve, a second safety valve and a tenth valve are arranged on the second safety valve output pipeline, and the set pressure of the first safety valve is smaller than that of the second safety valve.
The sewage draining port and the sand draining port are two and are respectively a first sewage draining port, a second sewage draining port, a first sand draining port and a second sand draining port, the two sides of the bottom of the three-phase separator are respectively arranged on the first sewage draining port and the second sewage draining port, the first sand draining port and the second sand draining port are arranged in the middle of the bottom of the three-phase separator, the first sewage draining port is communicated with a sewage draining main pipeline through a first valve, the second sewage draining port is communicated with the sewage draining main pipeline through a second valve, the first sand draining port is communicated with the sewage draining main pipeline through a third valve, and the second sand draining port is communicated with the sewage draining main pipeline through a fourth valve.
The oil output pipeline comprises a first oil output pipeline and a second oil output pipeline which are arranged in parallel, a fourteenth valve, a first electric regulating valve and a fifteenth valve are sequentially arranged on the first oil output pipeline, a thirteenth valve, a first electric three-way ball valve and a sixteenth valve are sequentially arranged on the second oil output pipeline, and outlets of the first oil output pipeline and the second oil output pipeline are connected with an oil main outlet through a first spiral flow meter and a twelfth valve after being gathered;
the water outer pipeline comprises a first water outer pipeline and a second water outer pipeline which are arranged side by side, wherein a nineteenth valve, a second electric regulating valve and a twentieth valve are sequentially arranged on the first water outer pipeline, an eighteenth valve, a second electric three-way ball valve and a twenty-first valve are sequentially arranged on the second water outer pipeline, and outlets of the first water outer pipeline and the second water outer pipeline are connected with a water main outlet through a second spiral flow meter and a seventeenth valve after being gathered.
The sand washing device is characterized by further comprising a sand washing pipeline, the sand washing pipeline is communicated with a sand washing main inlet arranged on the bottom surface of the three-phase separator tank body, and an eleventh valve is arranged on the sand washing pipeline.
A twenty-fourth valve is arranged on the associated gas output pipeline branch line.
And a pressure reducing pore plate is arranged on the branch line of the crude oil input pipeline.
The system is characterized in that a twenty-fifth valve is arranged on the crude oil input pipeline, and a twenty-sixth valve, a pressure reduction pore plate and a twenty-seventh valve are sequentially arranged on the branch line of the crude oil input pipeline.
The utility model has the advantages that:
1) the well site flowback fluid treatment integrated device provided by the utility model has better separation effect through two-stage treatment of the cyclone separator and the three-phase separator; the three-phase separator and the cyclone separator are skid-mounted on the same support, so that the separation and the outward transportation of oil, water and associated gas in well site flowback liquid are realized, the structure is compact, the operation efficiency is high, the occupied area is small, the construction period is short, the recovery of the associated gas can be effectively realized, the heating energy consumption of a downstream station is reduced, and the popularization and application prospect is good.
2) The top of the three-phase separator tank body is connected with a first safety valve output pipeline and a second safety valve output pipeline, and the pressure relief is automatically opened through the first safety valve and the second safety valve, so that the phenomenon that the air pressure in the three-phase separator is too high and the operation is safe can be avoided.
3) The side end face of the three-phase separator is communicated with two oil output pipelines and two water output pipelines, the first electric regulating valve and the second electric regulating valve regulate flow, and automatic discharge is realized through the first electric three-way ball valve and the second electric three-way ball valve.
4) The sand washing and purging operation can be implemented through the sand washing pipeline, and sand washing and purging water flow enters the three-phase separator through the eleventh valve and is finally discharged from the end face blowdown main outlet of the blowdown main pipeline.
In order to make the above and other objects of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present invention;
fig. 2 is another side view of the structure of fig. 1.
Description of reference numerals:
1. a three-phase separator; 2. a support; 3. a base; 4. a seventh valve; 5. an eighth valve; 6. a first safety valve; 7. a second relief valve; 8. a first relief valve output line; 9. a second relief valve output line; 10. a ninth valve; 11. a tenth valve; 12. a main associated gas emptying outlet; 13. a twenty-sixth valve; 14. a pressure reducing orifice plate; 15. a twenty-seventh valve; 16. a crude oil input line; 17. a cyclone separator; 18. an associated gas transfer line; 19. an associated gas output interface; 20. an associated gas output line; 21. a main blowdown outlet; 22. a main sewer line; 23. a first valve; 24. a second valve; 25. a third valve; 26. a fourth valve; 27. a main oil outlet; 28. a main water outlet; 29. a twelfth valve; 30. a seventeenth valve; 31. a first helical flow meter; 32. a second helical flow meter; 33. a fifteenth valve; 34. a twentieth valve; 35. a first electric control valve; 36. a second electric control valve; 37. a fourteenth valve; 38. a nineteenth valve; 39. a fifth valve; 40. a sixth valve; 41. a thirteenth valve; 42. an eighteenth valve; 43. a first electric three-way ball valve; 44. a second electric three-way ball valve; 45. a sixteenth valve; 46. a twenty-first valve; 47. a sand washing main inlet; 48. an eleventh valve; 49. a crude oil main inlet; 50. a twenty-fifth valve; 51. a main associated gas outlet; 52. a twenty-third valve; 53. an intelligent precession flow meter; 54. a third electric control valve; 55. a second twelve-valve; 56. a twenty-fourth valve; 57. a first oil export line; 58. a second oil export line; 59. a first water delivery line; 60. a second water delivery line; 61. an associated gas output pipeline branch line; 62. a crude oil input line branch; 63. a twenty-eighth valve; 64. a first metal rod; 65. a second metal rod; 66. a first drain port; 67. a first sand discharge port; 68. a second sand discharge port; 69. a second sewage draining outlet; 70. an oil outlet; 71. and (6) a water outlet.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein.
It should be noted that, in the present invention, the upper, lower, left and right in the drawings are regarded as the upper, lower, left and right of the integrated device for treating well site flowback fluid described in this specification.
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, which, however, may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the invention to those skilled in the art. The terminology used in the exemplary embodiments presented in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
Example 1:
the embodiment provides an integrated device for treating well site flowback liquid, which comprises a base 3 and a three-phase separation device, wherein the three-phase separation device is arranged on the base 3 through a support, and further comprises a crude oil input pipeline 16, an oil output pipeline, a water output pipeline, an associated gas output pipeline 20 and a blowdown main pipeline 22, the three-phase separation device comprises a cyclone separator 17 and a three-phase separator 1, and an outlet of the cyclone separator 17 is communicated with the three-phase separator 1;
the crude oil input pipeline 16 is arranged on one side of the three-phase separation device, the oil export pipeline and the water export pipeline are both arranged on the other side of the three-phase separation device and are communicated with the side end face of the three-phase separator 1, the associated gas output pipeline 20 is communicated with the top of the three-phase separator 1, the bottom of the three-phase separator 1 is provided with a drain outlet and a sand discharge outlet, the drain outlet and the sand discharge outlet are both communicated with a main drain pipeline 22, the oil export pipeline is communicated with the main drain pipeline 22 through a pipeline, the pipeline is provided with a fifth valve 39, the water export pipeline is communicated with the main drain pipeline 22 through a pipeline, and the pipeline is provided with a sixth valve 40;
a crude oil input pipeline branch line 62 is arranged on the crude oil input pipeline 16, the crude oil input pipeline 16 is communicated with the cyclone separator 17, an associated gas transfer pipeline 18 is communicated between the top end of the cyclone separator 17 and the top end of the three-phase separator 1, and the bottom end of the cyclone separator 17 is communicated with the tank body of the three-phase separator 1.
Specifically, the working process or the application process of the integrated wellsite flowback fluid treatment device provided by the embodiment is as follows:
crude oil enters the cyclone separator 17 from a crude oil main inlet 49 of the crude oil input pipeline 16, after being processed by the cyclone separator 17, a part of associated gas enters a tank body of the three-phase separator 1 through an associated gas transfer pipeline 18, the rest of associated gas and liquid phase enter the three-phase separator 1 from the bottom end of the cyclone separator 17, after being processed by the three-phase separator 1, oil obtained by separation is discharged through an oil main outlet 27 on an oil output pipeline, water is discharged through a water main outlet 28 on a water output pipeline, and associated gas is discharged through an associated gas main outlet 51 on an associated gas output pipeline 20. Wherein, the top end of the three-phase separator is provided with an associated gas output interface 19 which is connected with an associated gas main outlet 51 through an associated gas output pipeline 20; the oil export line communicates with the three-phase separator via an oil outlet 70 and the water export line the three-phase separator communicates via a water outlet 71.
Example 2:
on the basis of embodiment 1, this embodiment provides an integrated device is handled to well site flowback liquid, drain and sand discharge outlet are two, are first drain 66, second drain 69 and first sand discharge outlet 67, second sand discharge outlet 68 respectively, the bottom both sides of three phase separator 1 are located respectively to first drain 66 and second drain 69, first sand discharge outlet 67 and second sand discharge outlet 68 are located in the middle of the bottom of three phase separator 1, first drain 66 communicates with blowdown main line 22 through first valve 23, second drain 69 communicates with blowdown main line 22 through second valve 24, and first sand discharge outlet 67 communicates with blowdown main line 22 through third valve 25, and second sand discharge outlet 68 communicates with blowdown main line 22 through fourth valve 26.
The crude oil input pipeline 16 is provided with a twenty-fifth valve 50, and the crude oil input pipeline branch line 62 is sequentially provided with a twenty-sixth valve 13, a pressure reduction pore plate 14 and a twenty-seventh valve 15.
The use process comprises the following steps:
and (3) closing the twenty-fifth valve 50, the first valve 23, the second valve 24, the third valve 25, the fourth valve 26, the fifth valve 39 and the sixth valve 40, simultaneously opening the twenty-sixth valve 13 and the twenty-seventh valve 15, enabling the crude oil to enter the three-phase separator 1 from the crude oil main inlet 49 through a crude oil input pipeline branch line 62, and arranging an anti-impact pressure reduction orifice plate 14 on the crude oil input pipeline branch line 62. After the crude oil is treated, the oil is discharged through an oil main outlet 27, the water is discharged through a water main outlet 28, and the associated gas is discharged through an associated gas main outlet 51.
Example 3:
on the basis of embodiment 2, the embodiment provides an integrated device for treating wellsite flowback fluid, a first safety valve output pipeline 8 and a second safety valve output pipeline 9 are arranged at the top of the three-phase separator 1 in parallel, associated gas emptying pipelines are communicated with outlets of the first safety valve output pipeline 8 and the second safety valve output pipeline 9 in parallel, a seventh valve 4, a first safety valve 6 and a ninth valve 10 are sequentially arranged on the first safety valve output pipeline 8, an eighth valve 5, a second safety valve 7 and a tenth valve 11 are arranged on the second safety valve output pipeline 9, and the set pressure of the first safety valve 6 is smaller than that of the second safety valve 7.
The use process comprises the following steps:
the twenty-fifth valve 50, the first valve 23, the second valve 24, the third valve 25, the fourth valve 26, the fifth valve 39 and the sixth valve 40 are closed, and the twenty-sixth valve 13 and the twenty-seventh valve 15 are simultaneously opened, so that the crude oil enters the three-phase separator 1 from the crude oil inlet 49 through the crude oil inlet line branch line 62. After the crude oil is treated, the oil is discharged through an oil main outlet 27, the water is discharged through a water main outlet 28, and the associated gas is discharged through an associated gas main outlet 51. When the air pressure in the three-phase separator 1 is too high, the first safety valve 6 can be automatically opened to release the pressure, and the gas is finally released through the associated gas emptying main outlet 12 through the first safety valve output pipeline 8. If the gas pressure in the three-phase separator 1 continues to rise to a higher pressure after the first safety valve 6 is opened, the second safety valve 7 is automatically opened to release the pressure, and the gas passes through a second safety valve output pipeline 9 and is finally released through an associated gas emptying main outlet 12, as shown in fig. 1 and 2.
Example 4:
on the basis of embodiment 2, the embodiment provides an integrated device for treating a wellsite return fluid, where the oil export line includes a first oil export line 57 and a second oil export line 58 that are arranged in parallel, the first oil export line 57 is sequentially provided with a fourteenth valve 37, a first electric regulating valve 35 and a fifteenth valve 33, the second oil export line 58 is sequentially provided with a thirteenth valve 41, a first electric three-way ball valve 43 and a sixteenth valve 45, and outlets of the first oil export line 57 and the second oil export line 58 are connected with an oil main outlet 27 through a first spiral flowmeter 31 and a twelfth valve 29 after being gathered;
the water external pipeline comprises a first water external pipeline 59 and a second water external pipeline 60 which are arranged in parallel, a nineteenth valve 38, a second electric regulating valve 36 and a twentieth valve 34 are sequentially arranged on the first water external pipeline 59, an eighteenth valve 42, a second electric three-way ball valve 44 and a twenty-first valve 46 are sequentially arranged on the second water external pipeline 60, and outlets of the first water external pipeline 59 and the second water external pipeline 60 are connected with a water main outlet 28 through a second spiral flowmeter 32 and a seventeenth valve 30 after being gathered.
As shown in fig. 1 and 2, the three-phase separator 1 is connected to a first oil supply line 57 and a second oil supply line 58, which are connected to the oil main outlet 27 via a first spiral flow meter 31 and a twelfth valve 29. The three-phase separator 1 is connected to a first water outlet line 59 and a second water outlet line 60, which are connected to the water mains outlet 28 via a second spiral flow meter 32 and a seventeenth valve 30.
The use process comprises the following steps:
the twenty-fifth valve 50, the first valve 23, the second valve 24, the third valve 25, the fourth valve 26, the fifth valve 39 and the sixth valve 40 are closed, and the twenty-sixth valve 13 and the twenty-seventh valve 15 are simultaneously opened, so that the crude oil enters the three-phase separator 1 from the crude oil inlet 49 through the crude oil inlet line branch line 62. After the crude oil is processed, the oil is discharged from the oil main outlet 27 after being collected by the first oil export line 57 and the second oil export line 58. The flow rate of the first oil delivery line 57 can be adjusted by the first electric control valve 35. The level of liquid in the three-phase separator tank can control the opening and closing of the first three-way ball valve 43 to determine whether the second oil export line 58 is activated.
Water is discharged from the water mains outlet 28 via a first water export line 59 and a second water export line 60. The flow rate of the first water output pipeline 59 can be adjusted through the second electric adjusting valve 36. The level of liquid in the three-phase separator tank controls the opening and closing of the second electrically actuated three-way ball valve 44 to determine whether the second water export line 60 is active.
Example 5:
on the basis of the embodiment 2, the embodiment provides an integrated device for treating the well site flowback liquid,
the sand washing device further comprises a sand washing pipeline, the sand washing pipeline is communicated with a sand washing main inlet 47 arranged on the bottom surface of the tank body of the three-phase separator 1, and an eleventh valve 48 is arranged on the sand washing pipeline.
When the sand washing and purging operation is performed on the integrated wellsite flowback fluid treatment device, the eleventh valve 48, the first valve 23, the second valve 24, the third valve 25, the fourth valve 26, the fifth valve 39 and the sixth valve 40 need to be opened, and the twenty-seventh valve 15, the twenty-fifth valve 50, the twenty-second valve 55, the twenty-fourth valve 56, the seventh valve 4, the eighth valve 5, the twenty-eighth valve 63, the thirteenth valve 41, the fourteenth valve 37, the eighteenth valve 42 and the nineteenth valve 38 need to be closed. The sand-washing purging water flow enters the three-phase separator 1 through the eleventh valve 48 and finally exits from the end-face blowdown main outlet 21 of the blowdown main line 22.
Example 6:
on the basis of the embodiment 2, the embodiment provides an integrated device for treating the well site flowback liquid,
the associated gas output pipeline 20 is sequentially provided with a twentieth valve 55, a third electric regulating valve 54, an intelligent precession flow meter 53 and a twentieth valve 52, the associated gas output pipeline 20 is communicated with an associated gas output pipeline branch line 61, one end of the associated gas output pipeline branch line 61 is communicated with the twentieth valve 55, the other end of the associated gas main outlet 51 is communicated with the associated gas main outlet, and the associated gas output pipeline branch line 61 is provided with a twenty-fourth valve 56.
The use process comprises the following steps:
the twenty-fifth valve 50, the first valve 23, the second valve 24, the third valve 25, the fourth valve 26, the fifth valve 39 and the sixth valve 40 are closed, and the twenty-sixth valve 13 and the twenty-seventh valve 15 are simultaneously opened, so that the crude oil enters the three-phase separator 1 from the crude oil inlet 49 through the crude oil inlet line branch line 62. After the crude oil is processed, the associated gas is collected by the associated gas output pipeline 20 and the associated gas output pipeline branch line 61 and then discharged from the associated gas main outlet 51. The flow rate of the associated gas output pipeline 20 can be controlled by the third electric regulating valve 54.
Example 7:
the embodiment provides a use method of an integrated field return liquid treatment device, crude oil enters a cyclone separator 17 from a crude oil main inlet 49 of a crude oil input pipeline 16, after the crude oil is treated by the cyclone separator 17, a part of associated gas enters a tank body of a three-phase separator 1 through an associated gas transfer pipeline 18, the rest of associated gas and liquid phase enter the three-phase separator 1 from the bottom end of the cyclone separator 17, after the crude oil is treated by the three-phase separator 1, the separated oil is discharged from an oil main outlet 27 on an oil external output pipeline, water is discharged from a water main outlet 28 on a water external output pipeline, and the associated gas is discharged from an associated gas main outlet 51 on an associated gas output pipeline 20.
Example 8:
on the basis of embodiment 7, this embodiment provides a method for using an integrated field return liquid treatment device, where when the air pressure in the three-phase separator 1 exceeds the set pressure of the first safety valve 6, the first safety valve 6 is automatically opened to release the pressure, the air enters the associated gas emptying pipeline through the first safety valve output pipeline 8, and is released by the associated gas emptying main outlet 12; if after the first safety valve 6 is opened, the air pressure in the three-phase separator 1 continuously rises to the set pressure of the second safety valve 7, the second safety valve 7 can be automatically opened for pressure relief, and the gas enters the associated gas emptying pipeline through the second safety valve output pipeline 9 and is relieved through the associated gas emptying main outlet 12.
The utility model provides a this kind of well site returns flowing back and handles integration integrated device suitable for well site, through with 1 jar of body of three phase separator and cyclone 17 skid-mounted on same support 2, realize well site and return in the flowing back liquid, the separation of water and associated gas, outer defeated, its compact structure and operating efficiency are high, area is little, construction cycle is short, can effectively realize the associated gas and retrieve, reduces low reaches station heating energy consumption simultaneously, and popularization and application prospect is good.
It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.
Claims (8)
1. The utility model provides a flowing back is returned to well site and is handled integration device, includes base (3), three-phase separator, and on base (3) were located through the support to three-phase separator, its characterized in that: the device also comprises a crude oil input pipeline (16), an oil output pipeline, a water output pipeline, an associated gas output pipeline (20) and a blowdown main pipeline (22), the three-phase separation device comprises a cyclone separator (17) and a three-phase separator (1), and an outlet of the cyclone separator (17) is communicated with the three-phase separator (1);
the device comprises a three-phase separator (1), an associated gas output pipeline (20), a crude oil input pipeline (16), a water output pipeline, a sewage discharge port and a sand discharge port, wherein the crude oil input pipeline (16) is arranged on one side of the three-phase separator, the oil output pipeline and the water output pipeline are both arranged on the other side of the three-phase separator and are communicated with the side end face of the three-phase separator (1), the associated gas output pipeline (20) is communicated with the top of the three-phase separator (1), the bottom of the three-phase separator (1) is provided with the sewage discharge port and the sand discharge port, the sewage discharge port and the sand discharge port are both communicated with a main sewage discharge pipeline (22), the oil output pipeline and the main sewage discharge pipeline (22) are communicated through pipelines, a fifth valve (39) is arranged on the pipelines, the water output;
a crude oil input pipeline branch line (62) is arranged on the crude oil input pipeline (16), the crude oil input pipeline (16) is communicated with the cyclone separator (17), an associated gas transfer pipeline (18) is communicated between the top end of the cyclone separator (17) and the top end of the three-phase separator (1), and the bottom end of the cyclone separator (17) is communicated with the tank body of the three-phase separator (1).
2. The integrated wellsite flowback fluid treatment device of claim 1, wherein: the three-phase separator is characterized in that a first safety valve output pipeline (8) and a second safety valve output pipeline (9) are arranged at the top of the three-phase separator (1) in parallel, outlets of the first safety valve output pipeline (8) and the second safety valve output pipeline (9) are communicated with an associated gas emptying pipeline in parallel, a seventh valve (4), a first safety valve (6) and a ninth valve (10) are sequentially arranged on the first safety valve output pipeline (8), an eighth valve (5), a second safety valve (7) and a tenth valve (11) are arranged on the second safety valve output pipeline (9), and the set pressure of the first safety valve (6) is smaller than that of the second safety valve (7).
3. The integrated wellsite flowback fluid treatment device of claim 1, wherein: the utility model discloses a three-phase separator, including three-phase separator (1), drain and sand discharge port, first valve 923 and blowdown main pipeline (22), first valve (24) and blowdown main pipeline (22) intercommunication are passed through to second drain (69), first drain (67) and second drain (68), first drain (66) and second drain (69) locate the bottom both sides of three-phase separator (1) respectively, first drain (67) and second drain (68) are located in the middle of the bottom of three-phase separator (1), first drain (66) are passed through first valve 923) and blowdown main pipeline (22) intercommunication, second drain (69) are passed through second valve (24) and blowdown main pipeline (22) intercommunication, and first drain (67) are passed through third valve (25) and blowdown main pipeline (22) intercommunication, and second drain (68) are passed through fourth valve (26) and blowdown main pipeline (22) intercommunication.
4. The integrated wellsite flowback fluid treatment device of claim 1, wherein: the oil output pipeline comprises a first oil output pipeline (57) and a second oil output pipeline (58) which are arranged in parallel, a fourteenth valve (37), a first electric regulating valve (35) and a fifteenth valve (33) are sequentially arranged on the first oil output pipeline (57), a thirteenth valve (41), a first electric three-way ball valve (43) and a sixteenth valve (45) are sequentially arranged on the second oil output pipeline (58), and outlets of the first oil output pipeline (57) and the second oil output pipeline (58) are connected with an oil main outlet (27) through a first spiral flow meter (31) and a twelfth valve (29) after being gathered;
the water outer pipeline comprises a first water outer pipeline (59) and a second water outer pipeline (60) which are arranged in parallel, a nineteenth valve (38), a second electric regulating valve (36) and a twentieth valve (34) are sequentially arranged on the first water outer pipeline (59), an eighteenth valve (42), a second electric three-way ball valve (44) and a twenty-first valve (46) are sequentially arranged on the second water outer pipeline (60), and outlets of the first water outer pipeline (59) and the second water outer pipeline (60) are connected with a water main outlet (28) through a second spiral flowmeter (32) and a seventeenth valve (30) after being gathered.
5. The integrated wellsite flowback fluid treatment device of claim 1, wherein: the sand washing device is characterized by further comprising a sand washing pipeline, the sand washing pipeline is communicated with a sand washing main inlet (47) arranged on the bottom surface of the tank body of the three-phase separator (1), and an eleventh valve (48) is arranged on the sand washing pipeline.
6. The integrated wellsite flowback fluid treatment device of claim 1, wherein: associated gas output line (20) is last to be equipped with twelfth valve (55), third electrical control valve (54) in proper order, intelligence precession flowmeter (53) and twenty-third valve (52), the intercommunication has associated gas output line branch line (61) on associated gas output line (20), associated gas output line branch line (61) one end and twelfth valve (55) intercommunication, other end associated gas total exit (51) intercommunication, be equipped with twenty-fourth valve (56) on associated gas output line branch line (61).
7. The integrated wellsite flowback fluid treatment device of claim 1, wherein: the crude oil input pipeline branch line (62) is provided with a pressure reduction pore plate (14).
8. The integrated wellsite flowback fluid treatment device of claim 1, wherein: the crude oil input pipeline (16) is provided with a twenty-fifth valve (50), and the crude oil input pipeline branch line (62) is sequentially provided with a twenty-sixth valve (13), a pressure reduction pore plate (14) and a twenty-seventh valve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112127841A (en) * | 2020-10-23 | 2020-12-25 | 陕西昆鹏能源科技有限公司 | Intelligent power generation device for pressure difference in oil-gas well |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127841A (en) * | 2020-10-23 | 2020-12-25 | 陕西昆鹏能源科技有限公司 | Intelligent power generation device for pressure difference in oil-gas well |
| CN112127841B (en) * | 2020-10-23 | 2023-03-10 | 陕西昆鹏能源科技有限公司 | Intelligent power generation device for pressure difference in oil-gas well |
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