CN107763434A - A kind of oil and gas multiphase flow structures and methods of a wide range of gas-oil ratio of suitable big flow - Google Patents
A kind of oil and gas multiphase flow structures and methods of a wide range of gas-oil ratio of suitable big flow Download PDFInfo
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- CN107763434A CN107763434A CN201610669394.9A CN201610669394A CN107763434A CN 107763434 A CN107763434 A CN 107763434A CN 201610669394 A CN201610669394 A CN 201610669394A CN 107763434 A CN107763434 A CN 107763434A
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- inlet buffer
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000007789 gas Substances 0.000 claims abstract description 84
- 239000007788 liquid Substances 0.000 claims abstract description 65
- 239000000872 buffer Substances 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 239000002737 fuel gas Substances 0.000 claims abstract description 6
- 238000001802 infusion Methods 0.000 claims abstract description 6
- 239000000446 fuel Substances 0.000 claims abstract description 5
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 5
- 238000005065 mining Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 43
- 238000004519 manufacturing process Methods 0.000 description 9
- 239000003129 oil well Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000009096 changqing Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
- 239000010913 used oil Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/005—Pipe-line systems for a two-phase gas-liquid flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/12—Arrangements for supervising or controlling working operations for injecting a composition into the line
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The present invention relates to oil gas mechanical field, more particularly to a kind of oil and gas multiphase flow structures and methods of a wide range of gas-oil ratio of suitable big flow.Comprise the following steps, the next oil of upstream oil mining, association gas mixture are heated into heating furnace, are subsequently entered inlet buffer and are carried out gas-liquid separation；The gas part isolated is used as heating furnace fuel gas, another part enters Quimby pump entrance, it is mixed together with separator bottom through feeding the liquid of liquid pump supercharging into Quimby pump, increase pressure, water bath processing is carried out subsequently into heating furnace, outlet surge tank is entered back into, it is defeated outside the air-fuel mixture being pressurized；Reduced when entrance carrys out liquid measure, during inlet buffer liquid level continuous decrease, outlet surge tank starts to return liquid to inlet buffer, carries out circulation fluid infusion to system, it is ensured that the normal operation of Quimby pump.The present invention can adapt to the mixed defeated needs of a wide range of oil-gas ratio of big flow.
Description
Technical field
The present invention relates to oil gas mechanical field, more particularly to a kind of oil and gas multiphase flow knot of a wide range of gas-oil ratio of suitable big flow
Structure and method.
Background technology
Overflowed together with oil field gas during oil exploitation, simply focus on the exploitation of oil in production in the past
With conveying, typically discharged on the spot for associated gas.With safety in production and the raising of environmental requirement, and oil field gas
It is a kind of of great value resource, this is just needed while oil is exploited, and by oil field gas, also conveying is processed together.
Oil and associated gas are respectively two kinds of phases of liquids and gases, and existing compressor can only generally convey with pump
A kind of medium of phase, all it was to convey petroleum liquid and gaseous state respectively to two pipelines are laid between treating stations in oil well in the past
Associated gas.But the problem of so bringing is to invest higher, and most of old oil field is all single lead conveying crude oil, then is individually for
The investment of associated gas transportation pipe line is larger, economic benefit is bad, therefore has progressively developed some in recent years and can pass through oil gas
Same equipment supercharging, defeated equipment and technology are mixed using a pipeline.
Currently used oil and gas multiphase flow equipment is screw pump, synchronous revolving pump, plunger pump etc., but exists ask in various degree
Topic.Subject matter be by equipment limit, when gas-oil ratio is excessive, even in short term without petroleum liquid when equipment failure occurs, cause
Can not long period continuously run.
Prior art is used just with associated gas as furnace fuel gas, and unnecessary associated gas is all vented on the spot
, oil and gas multiphase flow purpose can not be realized, causes safety in production hidden danger, environmental pollution, while have lost a part of economic benefit.
Equipment of the oil-gas gathering and transportation developed in recent years using can be pressurized to liquids and gases simultaneously, usually in compressor
On the basis of improve, major function is that petroleum liquid is as the lubrication needed for compressor, cooling, fluid-tight to gas boosting
Function is in passing by pressure-increasing unit.But this equipment has more strict requirements for the gas and the ratio of liquid conveyed, but
The yield for the liquids and gases that the place of being produced is to be limited by geological condition during oil well production, can not meet wanting for equipment well
Ask, it is possible that gas-liquid slug flow, now equipment can because amount of liquid it is excessive or it is insufficient cause equipment to stop transport, even damage,
From the point of view of the equipment tested at present, oil well production needs can not be really adapted to.
Most of hundreds of set oil gas combined transportation devices promoted the use of every year in petrochina Changqing oilfields at present can not continuously,
Associated gas is conveyed together with oil completely, simply will be outer defeated after petroleum, supercharging.Main cause is that the device can not be big
Run under scope gas-oil ratio operating mode, when gas flow is excessive, supercharging equipment can not be handled all gas.Prior art it is main
Problem is can not to meet the changeable operating mode in scene and feed needs, be exactly briefly it is immature, it is unreliable.
The content of the invention
The purpose of invention：In order to provide the oil and gas multiphase flow structure that a kind of effect is preferably adapted to a wide range of gas-oil ratio of big flow
And method, specific purposes are shown in multiple substantial technological effects of specific implementation part.
In order to reach as above purpose, the present invention adopts the following technical scheme that：
Scheme one：
A kind of oil and gas multiphase flow method of a wide range of gas-oil ratio of suitable big flow, it is characterised in that comprise the following steps, upstream oil well
The next oil of exploitation, association gas mixture are heated into heating furnace, are subsequently entered inlet buffer and are carried out gas-liquid separation；Separation
The gas part gone out is used as heating furnace fuel gas, and another part enters Quimby pump entrance, with separator bottom through feeding liquid
The liquid of pump supercharging is mixed together into Quimby pump, increases pressure, is carried out water bath processing subsequently into heating furnace, is entered back into out
Mouthful surge tank, it is defeated outside the air-fuel mixture being pressurized；Reduced when entrance carrys out liquid measure, during inlet buffer liquid level continuous decrease, outlet
Surge tank starts to return liquid to inlet buffer, carries out circulation fluid infusion to system, it is ensured that the normal operation of Quimby pump.
Further technical scheme of the invention is, also comprising following adjustment mode, becomes frequency modulation according to inlet buffer pressure
Fast Quimby pump, it is ensured that all supercharging is outer defeated by all gas, and maintains inlet buffer pressure constant.
Scheme two：
A kind of oil and gas multiphase flow structure of a wide range of gas-oil ratio of suitable big flow, it is characterised in that comprising water batch heater, also include
Stand outer oil-gas pipeline, oil-gas pipeline can be exchanged heat by pipeline in water batch heater outside the station, and the pipeline is also connected with entrance
Pipeline connection feeder pump is stretched out in surge tank, inlet buffer top lower section, and the pipeline that feeder pump comes out is connected to liquidus curve, entrance
Gas pipeline and gaseous line are stretched out above surge tank, gas pipeline, which stretches out pipeline connection water batch heater, to be supplied to it, gas
Phase line and liquidus curve can Hybrid connections mixing tube, mixing tube is connected to Quimby pump, and the pipeline that Quimby pump stretches out is mixing
Conveying pipeline, mixing conveying pipeline are connected to export surge tank, and mixing conveying pipeline is connected to defeated pipe outside oil gas.
Further technical scheme of the invention is that outlet surge tank is connected to inlet buffer by pipeline and can be to entrance
Surge tank liquid make-up.
Further technical scheme of the invention is that the mixing conveying pipeline passes through water batch heater by pipeline and can be at it
Middle heat exchange.
Further technical scheme of the invention is that the oil-gas ratio of the conveying is 20:1~150：1.
Using the present invention of as above technical scheme, had the advantages that relative to prior art：The present apparatus can meet greatly
The continuous pressure-increasing unit of scope gas-oil ratio, from 20:1~150：1 can continuous-stable pressurizing mixed transportation, domestic big portion can be met substantially
Divide the oil and gas multiphase flow in oil field to need.Especially this patent can adapt to the mixed defeated needs of a wide range of oil-gas ratio of big flow.
Brief description of the drawings
In order to further illustrate the present invention, it is further illustrated below in conjunction with the accompanying drawings：
Fig. 1 is inventive structure schematic diagram；
Fig. 2 is prior art construction schematic diagram；
Wherein：1. the outer oil-gas pipeline in station；2. water batch heater；3. feed pipe；4. gas pipeline；5. gaseous line；6. entrance buffers
Tank；7. mixing tube；8. Quimby pump；9. liquidus curve；10. mix conveying pipeline；11. export surge tank；12. defeated pipe outside oil gas.
Embodiment
Embodiments of the invention are illustrated below in conjunction with the accompanying drawings, embodiment is not construed as limiting the invention：
Scheme one：
A kind of oil and gas multiphase flow method of a wide range of gas-oil ratio of suitable big flow, it is characterised in that comprise the following steps, upstream oil well
The next oil of exploitation, association gas mixture are heated into heating furnace, are subsequently entered inlet buffer and are carried out gas-liquid separation；Separation
The gas part gone out is used as heating furnace fuel gas, and another part enters Quimby pump entrance, with separator bottom through feeding liquid
The liquid of pump supercharging is mixed together into Quimby pump, increases pressure, is carried out water bath processing subsequently into heating furnace, is entered back into out
Mouthful surge tank, it is defeated outside the air-fuel mixture being pressurized；Reduced when entrance carrys out liquid measure, during inlet buffer liquid level continuous decrease, outlet
Surge tank starts to return liquid to inlet buffer, carries out circulation fluid infusion to system, it is ensured that the normal operation of Quimby pump.This place
The substantive technique effect that is played of technical scheme and its implementation process be as follows：It is also outer comprising station comprising water batch heater
Oil-gas pipeline, oil-gas pipeline can be exchanged heat by pipeline in water batch heater outside the station, and the pipeline is also connected with entrance buffering
Pipeline connection feeder pump is stretched out in tank, inlet buffer top lower section, and the pipeline that feeder pump comes out is connected to liquidus curve, and entrance buffers
Gas pipeline and gaseous line are stretched out above tank, gas pipeline, which stretches out pipeline connection water batch heater, to be supplied to it, gaseous line
With liquidus curve can Hybrid connections mixing tube, mixing tube is connected to Quimby pump, and the pipeline that Quimby pump stretches out is mixing conveying
Pipe, mixing conveying pipeline are connected to export surge tank, and mixing conveying pipeline is connected to defeated pipe outside oil gas.
Following adjustment mode is also included, according to inlet buffer pressure frequency control Quimby pump, it is ensured that by all gas
All supercharging is outer defeated, and maintains inlet buffer pressure constant.Outlet surge tank is connected to inlet buffer and energy by pipeline
To inlet buffer liquid make-up.The mixing conveying pipeline can be exchanged heat through water batch heater and wherein by pipeline.
Swim the oil of oil mining, association gas mixture into heating furnace be heated to it is outer it is defeated require temperature, into entering
Mouth surge tank carries out gas-liquid separation；The gas part isolated is used as heating furnace fuel gas, and another part enters twin-screw
Pump intake, it is mixed together with separator bottom through feeding the liquid of liquid pump supercharging into Quimby pump, is pressurized to and requires pressure, so
Enter heating furnace afterwards and carry out constant temperature water bath processing, enter back into outlet surge tank, it is defeated outside the air-fuel mixture being pressurized.System is according to entering
Mouthful buffer tank pressure frequency control Quimby pump, it is ensured that will all gas all supercharging is outer defeated, and maintain inlet buffer pressure
It is constant；System controls spouting liquid needed for twin-screw, control feeds liquid pump and is maintained at conjunction according to parameters such as pressure, Quimby pump discharge capacities
In suitable displacement range, liquid is sprayed into Quimby pump, it is ensured that Quimby pump is run in suitable gas-liquid ratio ranges all the time, from
And avoid phenomena such as shutting down, damage in addition of equipment；Reduced when entrance carrys out liquid measure, inlet buffer liquid level continuous decrease
When, outlet surge tank starts to return liquid to inlet buffer, carries out circulation fluid infusion to system, it is ensured that the normal fortune of Quimby pump
OK.
The technical characterstic of the present apparatus mainly has following：
1st, using Quimby pump as oil and gas multiphase flow equipment.It is strong that Quimby pump takes gas ability, typically can reach more than 80%（Operating mode
Volume）；
2nd, Quimby pump is improved on the basis of double-screw compressor, increase unloaded hole.Double-screw compressor generally should
For hydrojet gas compression processes, there is the advantages of equipment operates steadily, is safe and reliable.It is the shakiness for meeting oil well production simultaneously
It is qualitative, liquid segment plug flow is prevented, there is provided unloaded hole, when Inlet fluid amount is excessive, because liquid is incompressible
Medium, fluid pressure can steeply rise, and now unloaded hole can automatically open up, and liquid released automatically to equipment and exported, prevented
Liquid is drastically pressurized the damage to equipment；
3rd, the discharge capacity of Quimby pump is adjusted using frequency converter, it is ensured that all gas can be conveyed in time, while maintain entrance to buffer
Pressure tank is stable, meets the normal production requirement of upstream oil well；
4th, set and automatically control spray system.Quimby pump progress hydrojet is forced to using liquid pump is fed, to meet Quimby pump just
Often amount of liquid required during operation.
The 5th, spouting liquid automatic control system is set.The mode being combined using transmitter with PLC, automatically control tune
Valve and flowmeter are saved, realizes that the automatic of spouting liquid is precisely controlled, so that it is guaranteed that safe and reliable, continuous, the steady fortune of Quimby pump
OK；
6th, backflow fluid infusion system is set up.When carrying out hypovolia, the amount of liquid into pump is insufficient for needed for equipment normal operation
During amount, required liquid circulation can be used, solved in a wide range of gas from outlet surge tank automatic liquid supply to inlet buffer by system
Oil than when the amount of liquid deficiency problem that may bring；
The 7th, various interlock protection systems are set.When oil well production go out wider gas-oil ratio medium cause inlet buffer liquid level compared with
When low, system starts automatic liquid supply, it is ensured that continuously conveys gas boosting.When coming such as long-time no liquid, system meeting basis goes out
Mouth surge tank instrumentation judges whether that harm can be produced to device, shut down if any then automatic alarm；When oil well production go out it is smaller
When gas-oil ratio medium causes inlet buffer liquid level higher, system, which can control, feeds liquid pump pressure huge discharge hydrojet, by surplus liquid
All in spray such as Quimby pump, whole pressure-increasing units of gas-liquid are realized；
The present apparatus can meet the continuous pressure-increasing unit of a wide range of gas-oil ratio, from 20:1~150：1 can continuous-stable pressurizing mixed transportation,
Substantially the oil and gas multiphase flow needs in most domestic oil field can be met.Especially this patent can adapt to a wide range of oil-gas ratio of big flow
Mixed defeated needs.
In a creative way, each effect of the above is individually present, moreover it is possible to the combination of the above results is completed with a nested structure.
It is clear that the technique effect that above structure is realized is realized, discounting for additional technical scheme, this patent title is also
Can be a kind of oil-gas transportation structure and carrying method.Part details not shown in figure.
It should be noted that multiple schemes that this patent provides include the basic scheme of itself, independently of each other, not mutually
Restrict, but it can also be mutually combined in the case where not conflicting, and reach multiple effects and realize jointly.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of this area
Personnel should be recognized that the present invention is not limited to the above embodiments, simply illustrate this hair described in above-described embodiment and specification
Bright principle, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Both fallen within improving in claimed scope.
Claims (6)
- A kind of 1. oil and gas multiphase flow method of a wide range of gas-oil ratio of suitable big flow, it is characterised in that comprise the following steps, upstream oil Oil, the association gas mixture that well exploitation comes are heated into heating furnace, are subsequently entered inlet buffer and are carried out gas-liquid separation；Point The gas part separated out is used as heating furnace fuel gas, and another part enters Quimby pump entrance, with separator bottom through feeding The liquid of liquid pump supercharging is mixed together into Quimby pump, increases pressure, is carried out water bath processing subsequently into heating furnace, is entered back into Surge tank is exported, it is defeated outside the air-fuel mixture being pressurized；Reduce when entrance carrys out liquid measure, during inlet buffer liquid level continuous decrease, go out Mouth surge tank starts to return liquid to inlet buffer, carries out circulation fluid infusion to system, it is ensured that the normal operation of Quimby pump.
- 2. a kind of oil and gas multiphase flow method of the suitable a wide range of gas-oil ratio of big flow as claimed in claim 1, it is characterised in that also Comprising following adjustment mode, according to inlet buffer pressure frequency control Quimby pump, it is ensured that by all gas, all supercharging is outer It is defeated, and maintain inlet buffer pressure constant.
- 3. a kind of oil and gas multiphase flow structure of a wide range of gas-oil ratio of suitable big flow, it is characterised in that comprising water batch heater, also wrap Containing outer oil-gas pipeline of standing, oil-gas pipeline can be exchanged heat by pipeline in water batch heater outside the station, and the pipeline is also connected with Pipeline connection feeder pump is stretched out in mouth surge tank, inlet buffer top lower section, and the pipeline of feeder pump out is connected to liquidus curve, entered Gas pipeline and gaseous line are stretched out above mouth surge tank, gas pipeline, which stretches out pipeline connection water batch heater, to be supplied to it, Gaseous line and liquidus curve can Hybrid connections mixing tube, mixing tube is connected to Quimby pump, and the pipeline that Quimby pump stretches out is mixed Conveying pipeline is closed, mixing conveying pipeline is connected to export surge tank, and mixing conveying pipeline is connected to defeated pipe outside oil gas.
- 4. a kind of oil and gas multiphase flow structure of the suitable a wide range of gas-oil ratio of big flow as claimed in claim 3, it is characterised in that go out Mouth surge tank is connected to inlet buffer by pipeline and can be to inlet buffer liquid make-up.
- A kind of 5. oil and gas multiphase flow structure of the suitable a wide range of gas-oil ratio of big flow as claimed in claim 3, it is characterised in that institute Mixing conveying pipeline is stated to pass through water batch heater by pipeline and can exchange heat wherein.
- A kind of 6. oil and gas multiphase flow structure of the suitable a wide range of gas-oil ratio of big flow as claimed in claim 3, it is characterised in that institute The oil-gas ratio for stating conveying is 20:1~150：1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610669394.9A CN107763434B (en) | 2016-08-16 | 2016-08-16 | A kind of oil and gas multiphase flow structures and methods of a wide range of gas-oil ratio of suitable big flow |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610669394.9A CN107763434B (en) | 2016-08-16 | 2016-08-16 | A kind of oil and gas multiphase flow structures and methods of a wide range of gas-oil ratio of suitable big flow |
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| Publication Number | Publication Date |
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| CN107763434A true CN107763434A (en) | 2018-03-06 |
| CN107763434B CN107763434B (en) | 2019-04-12 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410676A (en) * | 2019-08-28 | 2019-11-05 | 华通科创(唐山)石油工程技术服务有限公司 | An unattended intelligent oil and gas mixed transportation system |
| CN112128618A (en) * | 2020-10-12 | 2020-12-25 | 陕西星辰石油科技有限责任公司 | Well group oil gas synchronous supercharging device |
| CN114165729A (en) * | 2020-09-11 | 2022-03-11 | 安瑞科(廊坊)能源装备集成有限公司 | Online temperature adjusting device for LNG (liquefied Natural gas) filling and LNG filling method |
| CN114278865A (en) * | 2020-12-31 | 2022-04-05 | 广东管辅能源科技有限公司 | Multiphase flow mixed transportation method, multiphase flow mixed transportation device and multiphase flow mixed transportation application system |
| CN115560242A (en) * | 2022-09-13 | 2023-01-03 | 艾迪机器(杭州)有限公司 | Oil-gas mixed transportation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114165729B (en) * | 2020-09-11 | 2024-05-17 | 安瑞科(廊坊)能源装备集成有限公司 | Online temperature control device for LNG filling and LNG filling method |
| CN112128618A (en) * | 2020-10-12 | 2020-12-25 | 陕西星辰石油科技有限责任公司 | Well group oil gas synchronous supercharging device |
| CN114278865A (en) * | 2020-12-31 | 2022-04-05 | 广东管辅能源科技有限公司 | Multiphase flow mixed transportation method, multiphase flow mixed transportation device and multiphase flow mixed transportation application system |
| CN115560242A (en) * | 2022-09-13 | 2023-01-03 | 艾迪机器(杭州)有限公司 | Oil-gas mixed transportation system |
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| Publication number | Publication date |
|---|---|
| CN107763434B (en) | 2019-04-12 |
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