CN202673265U - Oil well carbon dioxide foam injection device - Google Patents
Oil well carbon dioxide foam injection device Download PDFInfo
- Publication number
- CN202673265U CN202673265U CN201220369854.3U CN201220369854U CN202673265U CN 202673265 U CN202673265 U CN 202673265U CN 201220369854 U CN201220369854 U CN 201220369854U CN 202673265 U CN202673265 U CN 202673265U
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- carbon dioxide
- cylinder
- cylinder body
- oil well
- injection device
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Abstract
The utility model discloses an oil well carbon dioxide foam injection device, which relates to mechanical equipment on petroleum mine fields, and comprises a cylinder, a carbon dioxide inlet, a drug feeding port and a mixed liquid outlet, wherein the carbon dioxide inlet is arranged on one end of the cylinder, the mixed liquid outlet is arranged on the other end of the cylinder, the drug feeding port is arranged on the side wall of the cylinder close to one end of the carbon dioxide inlet, the carbon dioxide inlet which is arranged in the cylinder is connected with an injection spray pipe, and a stirring paddle is arranged on a fixed frame from the injection spray pipe to the space of the mixed liquid outlet. The oil well carbon dioxide foam injection device is novel in structure, low in cost of construction and high in pressure resistance, the cylinder is made from stainless steel, and the material of the cylinder is OCr18Ni9, and can bear pressure of 25 MPa. Efficient flame retardant crystal magnesium oxide is filled in a heater, a system can be heated in 0-150 DEG C through an electric heating cable, and a temperature sensor is connected with a temperature control cabinet on the outer portion to automatically control work state of an electric heating pipe. The well carbon dioxide foam injection device solves the problem of frozen blocking during the oil displacement process of carbon dioxide foam, and effectively guarantees foamability of a carbon dioxide foam system.
Description
Technical field
The utility model relates to the plant equipment on a kind of oilfield, relates in particular to a kind of oil well carbon dioxide foaming injection device.
Background technology
In petroleum industry, more early stage foam maker is mainly used in the foam technology for washing well, along with to the progressively research of foam on the petroleum drilling and mining field, China has carried out utilizing aerated fluid to carry out profile control and water plugging in most produce oil base, acidifying strata, well cementing of cement, pressure break, sand-flushing, drilling well, the field trial researchs such as water pumping gas production and foam steam flooding, and obtain preferably effect, foam is a kind of compressible gas-liquid mixture, from the past with foam maker from theory analysis, the place that also comes with some shortcomings, can not bear larger pressure, the etching problem of not considering in the application in oil-gas field development, the low-density aerated fluid that its structure design produces can not satisfy the needs that Oil Field is produced fully, foam quality is low, blowing agent can not mix fully with carbon dioxide liquid, can not be because of reality need to carry out adjustment etc., especially carbon dioxide foaming drive injection well mouth CO to it
2-20 ℃ of situations that caused foaming agent frozen block surface line and pit shaft by liquid state heat absorption in the gaseous state conversion process.
Summary of the invention
The utility model is intended to for the deficiency that exists in the background technology, and a kind of oil well carbon dioxide foaming injection device that provides.
Oil well carbon dioxide foaming injection device of the present utility model, to be consisted of by cylinder body, carbon dioxide entrance, dosing mouth and mixture export, one end of cylinder body is provided with the carbon dioxide entrance, the other end is provided with mixture export, is provided with dosing mouth at the sidewall of close carbon dioxide entrance one end of cylinder body; The carbon dioxide entrance connects injection spray pipe in the cylinder body, and injection spray pipe to the fixed mount in mixture export space is provided with paddle.
As further improvement of the utility model, be wrapped in heater and protective cover arranged and cylinder body fixes in the cylinder body periphery.
As further improvement of the utility model, heater is to twine electric-heating belt and wrapped up by crystal magnesium oxide outside cylinder body.
As further improvement of the utility model, be thick with nozzle at injection spray pipe.
As further improvement of the utility model, be provided with temperature pick up at the inboard wall of cylinder block of mixture export.
The utility model oil well carbon dioxide foaming injection device, novel structure, cost are low, high pressure resistant, and cylinder body is made by stainless steel, and its material is OCr18Ni9, meets national relevant design requirement, but pressure-bearing 25MPa; Have the adjustable function of temperature, filling efficient flame-retarding agent crystal magnesium oxide in the heater, electric-heating belt can carry out 0～150 ℃ of heating in the scope to system, and temperature pick up outreaches temperature-controlling cabinet the duty of electric-heating belt is controlled automatically; Can fully stir, the cylinder interior mesh structure makes liquid carbon dioxide reach spray effect, and propeller stirs blowing agent and carbon dioxide liquid.The utility model has solved the frozen block problem of carbon dioxide foaming oil displacement process, and guarantees the foam performance of carbon dioxide foaming system.
Description of drawings
Fig. 1 is the utility model vertical structure cross-sectional schematic.
The specific embodiment
Below in conjunction with 1 pair of the utility model oil well of accompanying drawing carbon dioxide foaming injection device, be described further:
Oil well carbon dioxide foaming injection device of the present utility model, to be consisted of by cylinder body 1, carbon dioxide entrance 2, dosing mouth 3 and mixture export 4, end at cylinder body 1 is provided with carbon dioxide entrance 2, the other end is provided with mixture export 4, is provided with dosing mouth 3 at the sidewall of close carbon dioxide entrance 2 one ends of cylinder body 1; Cylinder body 1 interior carbon dioxide entrance 2 connects injection spray pipe 5, is thick with nozzle 8 at injection spray pipe 5, makes liquid carbon dioxide reach spray effect.
And be wrapped in heater 7 in cylinder body 1 periphery, and there are protective cover 13 and cylinder body 1 to fix.Described heater 7 is to twine electric-heating belt 10 and by crystal magnesium oxide 11 parcels in that cylinder body 1 is outer.Utilize 10 pairs of systems of electric-heating belt to heat.
This device cylinder interior nozzle structure pressure-bearing: 25MPa is responsible for pressure-bearing by cylinder body; But heating-up temperature scope: 0～150 ℃ adjustable is responsible for heating and is outreached temperature-controlling cabinet by temperature pick up by electric-heating belt and carry out temperature control-20 ℃ liquid carbon dioxide is reached more than 31 ℃ through temperature behind the foam maker, guarantees that liquid carbon dioxide is gasified totally.
Claims (5)
1. oil well carbon dioxide foaming injection device, to be consisted of by cylinder body (1), carbon dioxide entrance (2), dosing mouth (3) and mixture export (4), an end that it is characterized in that cylinder body (1) is provided with carbon dioxide entrance (2), the other end is provided with mixture export (4), is provided with dosing mouth (3) at the sidewall of close carbon dioxide entrance (2) one ends of cylinder body (1); The interior carbon dioxide entrance of cylinder body (1) (2) connects injection spray pipe (5), and injection spray pipe (5) to the fixed mount (12) in mixture export (4) space is provided with paddle (6).
2. oil well carbon dioxide foaming injection device as claimed in claim 1 is characterized in that the periphery of cylinder body (1) is wrapped in heater (7) and has protective cover (13) and cylinder body (1) to fix.
3. oil well carbon dioxide foaming injection device as claimed in claim 2 is characterized in that heater (7) is to twine electric-heating belt (10) and wrapped up by crystal magnesium oxide (11) outside cylinder body (1).
4. such as claim 1 or 2 or 3 described oil well carbon dioxide foaming injection devices, it is characterized in that being thick with on the injection spray pipe (5) nozzle (8).
5. such as claim 1 or 2 or 3 described oil well carbon dioxide foaming injection devices, it is characterized in that cylinder body (1) inwall of mixture export (4) is provided with temperature pick up (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220369854.3U CN202673265U (en) | 2012-07-30 | 2012-07-30 | Oil well carbon dioxide foam injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220369854.3U CN202673265U (en) | 2012-07-30 | 2012-07-30 | Oil well carbon dioxide foam injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202673265U true CN202673265U (en) | 2013-01-16 |
Family
ID=47494175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220369854.3U Withdrawn - After Issue CN202673265U (en) | 2012-07-30 | 2012-07-30 | Oil well carbon dioxide foam injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202673265U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102747996A (en) * | 2012-07-30 | 2012-10-24 | 大庆航天三沃新技术产业有限责任公司 | Carbon dioxide foam injecting device of oil well |
| CN104826511A (en) * | 2015-05-13 | 2015-08-12 | 湖州睿高新材料有限公司 | Fire retardant foaming device |
| CN105275445A (en) * | 2015-11-16 | 2016-01-27 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Concentric pipe type foam generator |
| CN105971573A (en) * | 2016-06-22 | 2016-09-28 | 中国石油大学(华东) | System and method for automatically generating CO2 foam and exploiting coalbed methane in huff-puff mode underground |
-
2012
- 2012-07-30 CN CN201220369854.3U patent/CN202673265U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102747996A (en) * | 2012-07-30 | 2012-10-24 | 大庆航天三沃新技术产业有限责任公司 | Carbon dioxide foam injecting device of oil well |
| CN102747996B (en) * | 2012-07-30 | 2015-04-15 | 大庆航天三沃新技术产业有限责任公司 | Carbon dioxide foam injecting device of oil well |
| CN104826511A (en) * | 2015-05-13 | 2015-08-12 | 湖州睿高新材料有限公司 | Fire retardant foaming device |
| CN105275445A (en) * | 2015-11-16 | 2016-01-27 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Concentric pipe type foam generator |
| CN105275445B (en) * | 2015-11-16 | 2018-10-09 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Concentric pipe type foam generator |
| CN105971573A (en) * | 2016-06-22 | 2016-09-28 | 中国石油大学(华东) | System and method for automatically generating CO2 foam and exploiting coalbed methane in huff-puff mode underground |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Carbon dioxide foam injecting device of oil well Effective date of registration: 20131129 Granted publication date: 20130116 Pledgee: Keli technology investment Company limited by guarantee in Heilongjiang Province Pledgor: Daqing Aerospace Sunvalor New Technology Industrial Co., Ltd. Registration number: 2013230000023 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20141104 Granted publication date: 20130116 Pledgee: Keli technology investment Company limited by guarantee in Heilongjiang Province Pledgor: Daqing Aerospace Sunvalor New Technology Industrial Co., Ltd. Registration number: 2013230000023 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130116 Effective date of abandoning: 20150415 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130116 Effective date of abandoning: 20150415 |
|
| RGAV | Abandon patent right to avoid regrant |