CN2074813U - Jet gas lift device - Google Patents
Jet gas lift device Download PDFInfo
- Publication number
- CN2074813U CN2074813U CN 90218847 CN90218847U CN2074813U CN 2074813 U CN2074813 U CN 2074813U CN 90218847 CN90218847 CN 90218847 CN 90218847 U CN90218847 U CN 90218847U CN 2074813 U CN2074813 U CN 2074813U
- Authority
- CN
- China
- Prior art keywords
- gas lift
- gas
- pump
- jet pump
- lifting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Jet Pumps And Other Pumps (AREA)
Abstract
The utility model discloses a device combined an air pump with an efflux pump, used for lifting well liquid and jetting an air pump. A G/L type efflux pump is changed to the lowest valve position on the regular oil production by gas lift column jacket, which can increase the lifting efficiency of underground liquid and reduce energy consumption at the same time.
Description
The utility model relates to the mode of a kind of lifting oil field well liquid---spray airlift unit.
Gas-lift production is the mode of a kind of lifting down-hole liquid stream; Polytype is arranged.It because of enter from the gaslift valve in dynamic air-flow and the pipe the tracheae liquid stream just " passiveness " mixes, both mixing are very insufficient, in most cases form a sandwich stream and beading and flow, and also may form plug flow in the short time.Under these types of flow, the relative slippage velocity of gas phase is very high, more than 0.4～1.2m/s; Liquid phase is flowing in the vertical tube present the state of " lifting is fallen ", so lifting efficiency is lower, energy loss is bigger.Jet injector oil production also is the mode of a kind of lifting down-hole liquid stream.It injects from oil pipe with high voltage power liquid, reaches the purpose that improves production capacity at last, and will arrive the down-hole every day with hundreds of ton dynamicliquid pressure, and then return ground, and this just needs to consume considerable energy; Simultaneously, because the fluid viscosity height, the interior in the course of the work friction of pump consumes also quite high, and required pump pressure is also high, and the operating power of pump also increases thereupon.
The purpose of this utility model is to overcome shortcoming of the prior art, and a kind of make gaslift and jet pump combination are provided---and spray the device of gaslift, improve lifting efficiency.
The utility model is to inject oil, sleeve pipe annular space with high voltage power gas from the collar piping gate, entering jet pump and formation fluid through path, the cross-channel of water jet pump actively is mixed to nozzle and sprays, according to the pumping and the jet-action of jet pump, make gas-liquid mixture flow out ground.
The utility model has following effect compared to existing technology:
(1) with gas-lift well under liquid phase ratio:
Because nozzle exit gas flow velocity height on the jet pump, make and draw the entrance and bottom pressure is low, help formation fluid and mix, form the form of mixed flow with " actively " of gas, improve production fluid efficient, can make the coefficient of efficiency of eduction column bring up to 0.2～2.5 by 0.05～0.25.
Two, compare with conventional jet pump:
Through the jet pump outlet opening is that formation fluid is mixed with gas, and it is little to make mixed liquor give rise to the required power in ground, and power is also low.
Accompanying drawing is the device diagrammatic sketch that sprays gaslift.
Shown in figure, conventional gas lift string is from bottom to top: tail pipe 7, packer 6, oil pipe 4, unloading valve 3, wellhead assembly (1,2), the utility model are changing-over jet pumps 5 on a bottom valve position on the tubing string, it is a G/L type jet pump, forms the Downhole jetting gas lift string.
Attached injection gas-lift production fundamental diagram.
Claims (2)
1, a kind of device of being made up of conventional gas lift string that is used for oil field Downhole jetting gaslift is characterized in that: changing-over jet pump 5 on a bottom valve position on the gas-lift well liquid tubing string.
2, the device of injection gaslift as claimed in claim 1 is characterized in that: adopt G/L type jet pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90218847 CN2074813U (en) | 1990-08-29 | 1990-08-29 | Jet gas lift device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90218847 CN2074813U (en) | 1990-08-29 | 1990-08-29 | Jet gas lift device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2074813U true CN2074813U (en) | 1991-04-10 |
Family
ID=4897599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90218847 Expired - Lifetime CN2074813U (en) | 1990-08-29 | 1990-08-29 | Jet gas lift device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2074813U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998050677A1 (en) * | 1997-05-08 | 1998-11-12 | Chenglin Wu | A gas-lift ball control device in gas-lift ball oil recovery and a method of oil recovery |
| CN1050406C (en) * | 1997-05-08 | 2000-03-15 | 伍成林 | Gas lift ball gas lift production ball controlled and oil extracting method thereof |
| CN1081284C (en) * | 1998-04-16 | 2002-03-20 | 景辉元 | Fluid exploiting and conveying method and equipment utilizing gas |
| US7270186B2 (en) | 2001-10-09 | 2007-09-18 | Burlington Resources Oil & Gas Company Lp | Downhole well pump |
| CN100523430C (en) * | 2003-11-06 | 2009-08-05 | 唐坤喜 | Gas driven oil production |
| CN101749002B (en) * | 2009-09-03 | 2012-11-28 | 大庆油田有限责任公司 | CO2 flooding anticorrosion and gas control lifting technology |
| CN103452531A (en) * | 2013-09-22 | 2013-12-18 | 中国石油集团西部钻探工程有限公司 | Method for underbalanced tubing descending, non-well-killing gas lifting, rotary pumping, pump maintaining and tubing maintaining |
| CN103806882A (en) * | 2012-11-02 | 2014-05-21 | 景丽百合 | Method and device for gas-lift liquid mining |
| CN105089607A (en) * | 2014-05-14 | 2015-11-25 | 中国石油天然气股份有限公司 | Drainage gas production tool for underground self-operated ejector |
-
1990
- 1990-08-29 CN CN 90218847 patent/CN2074813U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998050677A1 (en) * | 1997-05-08 | 1998-11-12 | Chenglin Wu | A gas-lift ball control device in gas-lift ball oil recovery and a method of oil recovery |
| CN1050406C (en) * | 1997-05-08 | 2000-03-15 | 伍成林 | Gas lift ball gas lift production ball controlled and oil extracting method thereof |
| CN1081284C (en) * | 1998-04-16 | 2002-03-20 | 景辉元 | Fluid exploiting and conveying method and equipment utilizing gas |
| US7270186B2 (en) | 2001-10-09 | 2007-09-18 | Burlington Resources Oil & Gas Company Lp | Downhole well pump |
| CN100523430C (en) * | 2003-11-06 | 2009-08-05 | 唐坤喜 | Gas driven oil production |
| CN101749002B (en) * | 2009-09-03 | 2012-11-28 | 大庆油田有限责任公司 | CO2 flooding anticorrosion and gas control lifting technology |
| CN103806882A (en) * | 2012-11-02 | 2014-05-21 | 景丽百合 | Method and device for gas-lift liquid mining |
| CN103452531A (en) * | 2013-09-22 | 2013-12-18 | 中国石油集团西部钻探工程有限公司 | Method for underbalanced tubing descending, non-well-killing gas lifting, rotary pumping, pump maintaining and tubing maintaining |
| CN105089607A (en) * | 2014-05-14 | 2015-11-25 | 中国石油天然气股份有限公司 | Drainage gas production tool for underground self-operated ejector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |