CN207934879U - The device of production is sought after a kind of high-pressure oil-gas well acid fracturing - Google Patents
The device of production is sought after a kind of high-pressure oil-gas well acid fracturing Download PDFInfo
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- CN207934879U CN207934879U CN201721842553.7U CN201721842553U CN207934879U CN 207934879 U CN207934879 U CN 207934879U CN 201721842553 U CN201721842553 U CN 201721842553U CN 207934879 U CN207934879 U CN 207934879U
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Abstract
The utility model discloses the devices that production is asked after a kind of high-pressure oil-gas well acid fracturing,By the fuel-displaced valve of production tree,First high pressure valve,Alkali liquor container,Note alkali pump,High-pressure needle valve door,High pressure valve group,Second high pressure valve,Pressure oil mouth valve group,Third high pressure valve,High pressure water batch heater,4th high pressure valve,High pressure three phase separator,Pressure loading valve,5th high pressure valve,4th low pressure valve,Oil gas decompression separation system,Third low pressure valve,Torch,First low pressure valve,Individual well gathering line,Second low pressure valve,Multi-purpose station three phase separator,First high pressure line,Second high pressure line,5th low-pressure line,Second with the mating high pressure line of high-pressure needle valve door,First with the mating high pressure line of high-pressure needle valve door,Third high pressure line is to the tenth high pressure line,7th low-pressure line,6th low-pressure line,First low-pressure line,Second low-pressure line,Third low-pressure line,4th low-pressure line forms.Seek production success rate 100%.
Description
Technical field
The utility model is related to the device of production is sought after a kind of high-pressure oil-gas well acid fracturing.
Background technology
Slit formation carbonate reservoir acid fracturing can utmostly release nearly well and pollute and link up crack Reservoir Body, and realizing should
Class reservoir Efficient Development.After some oil well acid fracturings, more than 25MPa, gas production is more than 30000m for well head oil pressure, casing pressure3/ d,
Oil production 20m3/ d, remaining acid solution also needs to the row of returning after acid fracturing.And field joint stations three phase separator maximum bearing capacity
The acid solution of 0.6MPa, the row of returning influence Oil-water Separation, conventional method can not be applied to ask production after this kind of oil well acid fracturing.
Utility model content
In order to solve the above technical problems, the utility model provides the device for asking production after a kind of high-pressure oil-gas well acid fracturing.Technology
Scheme is as follows：
The device of production is sought after a kind of high-pressure oil-gas well acid fracturing, asks the device of production fuel-displaced by production tree after high-pressure oil-gas well acid fracturing
Valve, the first high pressure valve, alkali liquor container, note alkali pump, high-pressure needle valve door, high pressure valve group, the second high pressure valve, pressure oil mouth valve
It is door group, third high pressure valve, high pressure water batch heater, the 4th high pressure valve, high pressure three phase separator, pressure loading valve, the 5th high
Pressure valve, the 4th low pressure valve, oil gas decompression separation system, third low pressure valve, torch, the first low pressure valve, individual well oil-collecting
Pipeline, the second low pressure valve, multi-purpose station three phase separator, the first high pressure line, the second high pressure line, the 5th low-pressure line,
Two with the mating high pressure line of high-pressure needle valve door, first with the mating high pressure line of high-pressure needle valve door, third high pressure line,
4th high pressure line, the 5th high pressure line, the 6th high pressure line, the 8th low-pressure line, the 7th high pressure line, the 8th high-voltage tube
Line, the 9th high pressure line, the tenth high pressure line, the 7th low-pressure line, the 6th low-pressure line, the first low-pressure line, the second low pressure
Pipeline, third low-pressure line, the 4th low-pressure line composition；
For the fuel-displaced valve of production tree by the first high pressure line of screwed connection, the first high pressure line is high by screwed connection first
Pressure valve, the first high pressure valve pass through screwed connection high pressure valve group by the second high pressure line of screwed connection, the second high pressure line；
High pressure valve group is by screwed connection third high pressure line, and for third high pressure line by the second high pressure valve of screwed connection, second is high
Pressure valve passes through screwed connection high pressure oil nozzle valve group by the 4th high pressure line of screwed connection, the 4th high pressure line；High pressure oil
Mouth valve group is by the 5th high pressure line of screwed connection, and for the 5th high pressure line by screwed connection third high pressure valve, third is high
Pressure valve passes through screwed connection high pressure water batch heater by the 6th high pressure line of screwed connection, the 6th high pressure line；High pressure water
Heating furnace is covered by the 7th high pressure line of screwed connection, and the 7th high pressure line is high by the 4th high pressure valve of screwed connection, the 4th
Pressure valve passes through screwed connection high pressure three phase separator by the 8th high pressure line of screwed connection, the 8th high pressure line；High pressure three
For phase separator by the 9th high pressure line of screwed connection, the 9th high pressure line is high by the 5th high pressure valve of screwed connection, the 5th
Pressure valve passes through screwed connection oil gas decompression separation system by the tenth high pressure line of screwed connection, the tenth high pressure line；Oil gas
Decompression separation system is by the first low-pressure line of screwed connection, and the first low-pressure line is by the first low pressure valve of screwed connection, and
One low pressure valve passes through screwed connection individual well gathering line by the second low-pressure line of screwed connection, the second low-pressure line；Individual well
Gathering line is by screwed connection third low-pressure line, and for third low-pressure line by the second low pressure valve of screwed connection, second is low
Pressure valve passes through screwed connection multi-purpose station three phase separator by the 4th low-pressure line of screwed connection, the 4th low-pressure line；
High pressure valve group is by screwed connection first and the mating high pressure line of high-pressure needle valve door, and first and high-pressure needle valve
For the mating high pressure line of door by screwed connection high-pressure needle valve door, high-pressure needle valve door passes through screwed connection second and high pressure needle
The high pressure line of type valve matched, second notes alkali pump with the mating high pressure line of high-pressure needle valve door by screwed connection, notes alkali
Pump passes through screwed connection alkali liquor container by the 5th low-pressure line of screwed connection, the 5th low-pressure line；
Oil gas decompression separation system passes through screwed connection third by the 9th low-pressure line of screwed connection, the 9th low-pressure line
Low pressure valve, third low pressure valve pass through screwed connection torch；
Oil gas decompression separation system passes through screwed connection the 4th by the 6th low-pressure line of screwed connection, the 6th low-pressure line
Low pressure valve, the 4th low pressure valve pass through screwed connection pressure reducing valve by the 7th low-pressure line of screwed connection, the 7th low-pressure line
Door, pressure loading valve are passed through by the 8th low-pressure line of screwed connection, the 8th low-pressure line in screwed connection high pressure water batch heater
Burner.
The alkali liquor container is provided by oil and gas well testing branch company of Bohai Sea probing Co., Ltd of China Petroleum group；
The high-pressure needle valve door model WL91H-320 high precision fine tuning valves, including it is mating with high-pressure needle valve door
High pressure line, pressure-bearing 35MPa, Jiangsu northern Suzhou valve Co., Ltd production；Or the domestic and international same type production with function of the same race
Product；
The high pressure oil nozzle valve group, high pressure water batch heater, high pressure three phase separator, oil gas decompression separation system,
Pressure loading valve, pressure loading valve, torch are provided by oil and gas well testing branch company of Bohai Sea probing Co., Ltd of China Petroleum group；
Contain neat gas burner in the high pressure water batch heater；
The low-pressure line, oil well gathering line, low pressure valve are that equipment is often used in oil field, and pressure-bearing 1.6MPa, market has
It sells, is well known to those skilled in the art, will herein be described in detail；
The individual well gathering line is that equipment is often used in oil field, and pressure-bearing 1.6MPa is commercially available, is those skilled in the art
It is known, it will herein be described in detail；
The multi-purpose station three phase separator is that equipment is often used in oil field, and pressure-bearing 0.6MPa is commercially available, is art technology
Known to personnel, it will herein be described in detail.
The NaOH aqueous solutions that the lye is 5%, its process for preparation well known to those skilled in the art.
Sketch application method：High-pressure oil gas enters high pressure line, high pressure valve, height by the fuel-displaced valve of production tree in oil well
Pressure pipeline, high pressure valve group, high pressure line, high pressure valve, high pressure line, high pressure oil nozzle valve group, high pressure line, high pressure valve,
High pressure line, high pressure water batch heater, high pressure line, high pressure valve, high pressure line, high pressure three phase separator, high pressure line, height
After pressure valve, high pressure line, oil gas decompression separation system, point or less three steps operated：
(1), the natural gas separated high pressure water jacket is delivered to by low-pressure line, pressure loading valve, low-pressure line to add
The burner of hot stove, lighted a fire heating high pressure water batch heater in water to 30 DEG C~40 DEG C；
(2) natural gas separated is delivered to torch and combustion of lighting a fire by low-pressure line, low pressure valve, low-pressure line
It burns；
(3) low pressure valve for entering individual well gathering line from oil gas decompression separation system is opened, oil gas decompression separation is adjusted
The oil gas vent pressure of system, and slowly closing leads to the low pressure valve of torch.
Further, in production process at high pressure valve group, by noting alkali pump by the NaOH for containing 5% in alkali liquor container
Aqueous solution is pumped into high pressure valve group.
The utility model beneficial effect：The device that production is asked after a kind of high-pressure oil-gas well acid fracturing of the utility model, both met
Oil gas, which smoothly enters the station, after slit formation carbonate reservoir acid fracturing asks production, and meets remaining acid solution and return row's needs.Live 5 mouthfuls of oil
Well once seeks production success rate 100%.
Description of the drawings
The schematic diagram of the device of production is sought after the high-pressure oil-gas well acid fracturing that Fig. 1 provides for the embodiment of the utility model.
Reference numeral in figure indicates respectively：
The fuel-displaced valve of 1- production trees, the first high pressure valves of 2-, 3- alkali liquor containers, 4- notes alkali pump, 5- high-pressure needle valves door, 6-
High pressure valve group, the second high pressure valves of 7-, 8- pressure oil mouths valve group, 9- thirds high pressure valve, 10- high pressures water batch heater, 11-
4th high pressure valve, 12- high pressures three phase separator, 13- pressure loading valves, the 5th high pressure valves of 14-, the 4th low pressure valves of 15-,
16- oil gas decompression separations system, 17- thirds low pressure valve, 18- torches, the first low pressure valves of 19-, 20- individual wells gathering line,
The second low pressure valves of 21-, 22- multi-purpose stations three phase separator, the first high pressure lines of 23-, the second high pressure lines of 24-, 25- the 5th are low
Pressure pipeline, 26- second and the mating high pressure line of high-pressure needle valve door, 27- first and the mating high-voltage tube of high-pressure needle valve door
Line, 28- thirds high pressure line, the 4th high pressure lines of 29-, the 5th high pressure lines of 30-, the 6th high pressure lines of 31-, 32- the 8th are low
The 7th high pressure line of pressure pipeline, 33-, the 8th high pressure lines of 34-, the 9th high pressure lines of 35-, the tenth high pressure lines of 36-, 37-
Seven low-pressure lines, the 6th low-pressure lines of 38-, the first low-pressure lines of 39-, the second low-pressure lines of 40-, 41- thirds low-pressure line,
The 4th low-pressure lines of 42-.
Specific implementation mode
To keep the technical solution of the utility model and advantage clearer, the utility model is implemented below in conjunction with attached drawing
Mode is described in further detail.
Embodiment 1：For XXX-43 wells, to asking the device of production to illustrate after high-pressure oil-gas well acid fracturing.
As shown in Figure 1, asked after high-pressure oil-gas well acid fracturing the device of production by the fuel-displaced valve 1 of production tree, the first high pressure valve 2,
Alkali liquor container 3, note alkali pump 4, high-pressure needle valve door 5, high pressure valve group 6, the second high pressure valve 7, pressure oil mouth valve group 8, third are high
Pressure valve 9, high pressure water batch heater 10, the 4th high pressure valve 11, high pressure three phase separator 12, pressure loading valve 13, the 5th high pressure
Valve 14, the 4th low pressure valve 15, oil gas decompression separation system 16, third low pressure valve 17, torch 18, the first low pressure valve
19, individual well gathering line 20, the second low pressure valve 21, multi-purpose station three phase separator 22, the first high pressure line 23, the second high pressure
Pipeline 24, the 5th low-pressure line 25, second and the mating high pressure line 26, first of high-pressure needle valve door and high-pressure needle valve door
Mating high pressure line 27, third high pressure line 28, the 4th high pressure line 29, the 5th high pressure line 30, the 6th high pressure line
31, the 8th low-pressure line 32, the 7th high pressure line 33, the 8th high pressure line 34, the 9th high pressure line 35, the tenth high pressure line
36, the 7th low-pressure line 37, the 6th low-pressure line 38, the first low-pressure line 39, the second low-pressure line 40, third low-pressure line
41, the 4th low-pressure line 42 forms；The fuel-displaced valve 1 of production tree passes through the first high pressure line of screwed connection 23, the first high pressure line
23 pass through the second high pressure line of screwed connection 24, the second high pressure by the first high pressure valve of screwed connection 2, the first high pressure valve 2
Pipeline 24 passes through screwed connection high pressure valve group 6；High pressure valve group 6 passes through screwed connection third high pressure line 28, third high pressure line
28 pass through the 4th high pressure line 29 of screwed connection, the 4th high pressure by the second high pressure valve of screwed connection 7, the second high pressure valve 7
Pipeline 29 passes through screwed connection high pressure oil nozzle valve group 8；High pressure oil nozzle valve group 8 by the 5th high pressure line 30 of screwed connection,
5th high pressure line 30 passes through the 6th high pressure line of screwed connection by screwed connection third high pressure valve 9, third high pressure valve 9
31, the 6th high pressure line 31 passes through screwed connection high pressure water batch heater 10；High pressure water batch heater 10 passes through screwed connection
Seven high pressure lines 33, the 7th high pressure line 33 pass through screw thread by the 4th high pressure valve 11 of screwed connection, the 4th high pressure valve 11
The 8th high pressure line 34 is connected, the 8th high pressure line 34 passes through screwed connection high pressure three phase separator 12；High pressure three phase separator
12 by the 9th high pressure line 35 of screwed connection, and the 9th high pressure line 35 is high by the 5th high pressure valve 14 of screwed connection, the 5th
Pressure valve 14 passes through screwed connection oil gas decompression separation system by the tenth high pressure line 36 of screwed connection, the tenth high pressure line 36
16；Oil gas decompression separation system 16 passes through screwed connection by the first low-pressure line of screwed connection 39, the first low-pressure line 39
One low pressure valve 19, the first low pressure valve 19 pass through screw thread by the second low-pressure line of screwed connection 40, the second low-pressure line 40
Connect individual well gathering line 20；For individual well gathering line 20 by screwed connection third low-pressure line 41, third low-pressure line 41 is logical
The second low pressure valve of screwed connection 21 is crossed, the second low pressure valve 21 passes through the 4th low-pressure line 42 of screwed connection, the 4th low-voltage tube
Line 42 passes through screwed connection multi-purpose station three phase separator 22；High pressure valve group 6 is matched by screwed connection first and high-pressure needle valve door
The high pressure line 27 of set, first passes through screwed connection high-pressure needle valve door 5, height with the mating high pressure line 27 of high-pressure needle valve door
Pressing type valve 5 by screwed connection second and the mating high pressure line 26 of high-pressure needle valve door, second with high-pressure needle valve door
Mating high pressure line 26 notes alkali pump 4 by screwed connection, and for note alkali pump 4 by the 5th low-pressure line 25 of screwed connection, the 5th is low
Pressure pipeline 25 passes through screwed connection alkali liquor container 3；Oil gas decompression separation system 16 is by the 9th low-pressure line 43 of screwed connection, and
For nine low-pressure lines 43 by screwed connection third low pressure valve 17, third low pressure valve 17 passes through screwed connection torch 18；Oil gas
Decompression separation system 16 passes through the 4th low pressure valve of screwed connection by the 6th low-pressure line 38 of screwed connection, the 6th low-pressure line 38
Door 15, the 4th low pressure valve 15 is depressurized by the 7th low-pressure line 37 of screwed connection, the 7th low-pressure line 37 by screwed connection
Valve 13, pressure loading valve 13 pass through screwed connection high pressure water by the 8th low-pressure line 32 of screwed connection, the 8th low-pressure line 32
Cover the burner in heating furnace 10.
It asks the device of production once to ask after a kind of high-pressure oil-gas well acid fracturing of XXX-43 well application the utility model to produce successfully.
The operation principle of the device of production is sought after the high-pressure oil-gas well acid fracturing that the embodiment of the utility model provides is：
High-pressure oil gas containing acid solution enters the high-pressure oil-gas well of the embodiment of the utility model from the fuel-displaced valve 1 of production tree
The device of production is sought after acid fracturing, the lye in alkali liquor container 3 is followed by the 4th low-pressure line 25, note alkali pump 4, second and high pressure needle
The high pressure line 26 of type valve matched, high-pressure needle valve door 5 and first and the mating high pressure line 27 of high-pressure needle valve door,
And, the high-pressure oil gas containing acid solution after neutralization adds through high pressure water jacket in being carried out to the high-pressure oil gas containing acid solution in high pressure valve group 6
Hot stove 10 realizes in the high pressure three phase separator 12 oil and gas and water from then final real through oil gas decompression separation system 16 after heating
Existing Oil-gas Separation, a portion gas are used as the fuel of high pressure water batch heater 10, and another part is delivered at torch 18, detach
It obtains crude oil inflow multi-purpose station three phase separator 22 and realizes fine separating-purifying, disposably production is asked to realize.
The above is merely for convenience of it will be understood by those skilled in the art that the technical solution of the utility model, not to
Limit the utility model.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (1)
1. seeking the device of production after a kind of high-pressure oil-gas well acid fracturing, it is characterised in that：Asked after high-pressure oil-gas well acid fracturing the device of production by
The fuel-displaced valve of production tree (1), the first high pressure valve (2), alkali liquor container (3), note alkali pump (4), high-pressure needle valve door (5), high pressure
Valve group (6), the second high pressure valve (7), pressure oil mouth valve group (8), third high pressure valve (9), high pressure water batch heater (10),
Four high pressure valves (11), high pressure three phase separator (12), pressure loading valve (13), the 5th high pressure valve (14), the 4th low pressure valve
(15), oil gas decompression separation system (16), third low pressure valve (17), torch (18), the first low pressure valve (19), individual well oil-collecting
Pipeline (20), the second low pressure valve (21), multi-purpose station three phase separator (22), the first high pressure line (23), the second high pressure line
(24), the 5th low-pressure line (25), second and the mating high pressure line of high-pressure needle valve door (26), first and high-pressure needle valve door
It is mating high pressure line (27), third high pressure line (28), the 4th high pressure line (29), the 5th high pressure line (30), the 6th high
Pressure pipeline (31), the 8th low-pressure line (32), the 7th high pressure line (33), the 8th high pressure line (34), the 9th high pressure line
(35), the tenth high pressure line (36), the 7th low-pressure line (37), the 6th low-pressure line (38), the first low-pressure line (39), second
Low-pressure line (40), third low-pressure line (41), the 4th low-pressure line (42) composition；
The fuel-displaced valve of production tree (1) is connected by the first high pressure line of screwed connection (23), the first high pressure line (23) by screw thread
The first high pressure valve (2) is connect, the first high pressure valve (2) passes through the second high pressure line of screwed connection (24), the second high pressure line
(24) pass through screwed connection high pressure valve group (6)；High pressure valve group (6) passes through screwed connection third high pressure line (28), third high pressure
Pipeline (28) passes through the 4th high pressure line of screwed connection by the second high pressure valve of screwed connection (7), the second high pressure valve (7)
(29), the 4th high pressure line (29) passes through screwed connection high pressure oil nozzle valve group (8)；High pressure oil nozzle valve group (8) passes through screw thread
The 5th high pressure line (30) is connected, the 5th high pressure line (30) passes through screwed connection third high pressure valve (9), third high pressure valve
(9) by the 6th high pressure line (31) of screwed connection, the 6th high pressure line (31) passes through screwed connection high pressure water batch heater
(10)；High pressure water batch heater (10) passes through screw thread by the 7th high pressure line (33) of screwed connection, the 7th high pressure line (33)
The 4th high pressure valve (11) is connected, the 4th high pressure valve (11) passes through the 8th high pressure line (34) of screwed connection, the 8th high-voltage tube
Line (34) passes through screwed connection high pressure three phase separator (12)；High pressure three phase separator (12) passes through the 9th high-voltage tube of screwed connection
Line (35), the 9th high pressure line (35) pass through screw thread by the 5th high pressure valve (14) of screwed connection, the 5th high pressure valve (14)
The tenth high pressure line (36) is connected, the tenth high pressure line (36) passes through screwed connection oil gas decompression separation system (16)；Oil gas subtracts
Press piece-rate system (16) by the first low-pressure line of screwed connection (39), the first low-pressure line (39) is low by screwed connection first
Pressure valve (19), the first low pressure valve (19) are passed through by the second low-pressure line of screwed connection (40), the second low-pressure line (40)
Screwed connection individual well gathering line (20)；For individual well gathering line (20) by screwed connection third low-pressure line (41), third is low
Pressure pipeline (41) passes through the 4th low-voltage tube of screwed connection by the second low pressure valve of screwed connection (21), the second low pressure valve (21)
Line (42), the 4th low-pressure line (42) pass through screwed connection multi-purpose station three phase separator (22)；
High pressure valve group (6) is by screwed connection first and the mating high pressure line of high-pressure needle valve door (27), and first and high pressure needle
The high pressure line (27) of type valve matched is connected by screwed connection high-pressure needle valve door (5), high-pressure needle valve door (5) by screw thread
Second and the mating high pressure line of high-pressure needle valve door (26) are connect, second is logical with the mating high pressure line of high-pressure needle valve door (26)
Screwed connection note alkali pump (4) is crossed, for note alkali pump (4) by the 5th low-pressure line (25) of screwed connection, the 5th low-pressure line (25) is logical
Cross screwed connection alkali liquor container (3)；
Oil gas decompression separation system (16) passes through screw thread by the 9th low-pressure line (43) of screwed connection, the 9th low-pressure line (43)
Third low pressure valve (17) is connected, third low pressure valve (17) passes through screwed connection torch (18)；
Oil gas decompression separation system (16) passes through screw thread by the 6th low-pressure line (38) of screwed connection, the 6th low-pressure line (38)
The 4th low pressure valve (15) is connected, the 4th low pressure valve (15) passes through the 7th low-pressure line (37) of screwed connection, the 7th low-voltage tube
Line (37) is by screwed connection pressure loading valve (13), and pressure loading valve (13) is by the 8th low-pressure line (32) of screwed connection, and the 8th
Low-pressure line (32) passes through the burner in screwed connection high pressure water batch heater (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721842553.7U CN207934879U (en) | 2017-12-26 | 2017-12-26 | The device of production is sought after a kind of high-pressure oil-gas well acid fracturing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721842553.7U CN207934879U (en) | 2017-12-26 | 2017-12-26 | The device of production is sought after a kind of high-pressure oil-gas well acid fracturing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207934879U true CN207934879U (en) | 2018-10-02 |
Family
ID=63647298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721842553.7U Active CN207934879U (en) | 2017-12-26 | 2017-12-26 | The device of production is sought after a kind of high-pressure oil-gas well acid fracturing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207934879U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931625A (en) * | 2020-06-29 | 2022-01-14 | 中国石油天然气股份有限公司 | Oil well ground oil testing system |
-
2017
- 2017-12-26 CN CN201721842553.7U patent/CN207934879U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931625A (en) * | 2020-06-29 | 2022-01-14 | 中国石油天然气股份有限公司 | Oil well ground oil testing system |
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