CN211777337U - Foam generator for oil field operation - Google Patents
Foam generator for oil field operation Download PDFInfo
- Publication number
- CN211777337U CN211777337U CN201922342018.0U CN201922342018U CN211777337U CN 211777337 U CN211777337 U CN 211777337U CN 201922342018 U CN201922342018 U CN 201922342018U CN 211777337 U CN211777337 U CN 211777337U
- Authority
- CN
- China
- Prior art keywords
- foam generator
- foam
- generator main
- pipe
- main body
- 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.)
- Active
Links
Images
Abstract
The utility model relates to a foam generator for oil field operation. The technical scheme is as follows: one end of the foam generator main body is connected with an electromagnetic heating device through a first union joint, and the inlet end of the electromagnetic heating device is connected with an air inlet pipe; the other end of the foam generator main body is connected to a foam discharge pipe through a second union joint, a perforated sieve pipe is arranged at the left end of an inner cavity of the foam generator main body, a liquid inlet pipe is arranged on the left side of the inner cavity of the foam generator main body, and a nylon net is arranged on the right side of the inner cavity of the foam generator main body. The beneficial effects are that: the temperature of the foamed acid is greatly improved, the chemical reaction speed is accelerated, the blockage of the stratum is favorably relieved, the construction injection pressure is reduced, namely, the construction pump pressure is reduced, the oil consumption of ground construction vehicles can be saved due to the reduction of the pump pressure, and the construction safety coefficient of ground equipment is improved.
Description
Technical Field
The utility model relates to an equipment for the oil industry, in particular to a foam generator for oil field operation.
Background
Foam is an important fluid in the production of the oil and gas field at present, and the foam fluid drilling can reduce the slurry loss and protect an oil and gas reservoir; the foam fluid can realize uniform acid distribution, control the water content and improve the acidification effect; the foam fluid sand and fly ash can clean the shaft thoroughly, improve the operation efficiency and reduce the pollution of the producing layer.
In the deep well foam acidification construction process, liquid nitrogen is used as a gas source. The liquid nitrogen is heated and vaporized by a liquid nitrogen pump truck, changes from a liquid state at the low temperature of-195 ℃ into a gas state at about 20 ℃, is pressurized by a compressor to the pump injection pressure, and is injected into a foam generator. The foam acidification is a corrosion process of foam acid on clay and other plugging particles in a target oil-gas layer, and belongs to a chemical reaction, wherein the foam acid is formed by mixing acid liquor and nitrogen, the temperature of the nitrogen is lower than that of the acid liquor, the overall temperature of the acid liquor can be reduced, the chemical reaction speed is closely related to the temperature, and the chemical reaction speed is doubled when the temperature is increased by 10 ℃; conversely, for every 10 ℃ decrease in temperature, the chemical reaction rate decreases by half. The aim of the acidification construction is to erode the stratum clay and other blocking particles by acid liquor, the reaction speed is accelerated, the blockage of the stratum is favorably removed, and meanwhile, the construction injection pressure, namely the construction pump pressure, is reduced. Therefore, it is also important to increase the temperature of the foaming acid, and it is necessary to design a special foam generator.
Disclosure of Invention
The utility model aims at providing a foam generator for oil field operation to the above-mentioned defect that prior art exists, make the sour temperature of foam improve by a wide margin, make chemical reaction speed accelerate, be favorable to the stratum to remove the jam, also can reduce construction injection pressure simultaneously, reduce the construction pump pressure promptly, and the pump pressure reduces the oil consumption that can practice thrift ground construction vehicle, improves the construction factor of safety of ground equipment.
The technical scheme is as follows: the device comprises an air inlet pipe (1), an electromagnetic heating device (2), a first union joint (3), a perforated sieve pipe (4), a foam generator main body (5), a nylon net (6), a second union joint (7), a foam discharging pipe (8) and a liquid inlet pipe (9), wherein one end of the foam generator main body (5) is connected with the electromagnetic heating device (2) through the first union joint (3), and the inlet end of the electromagnetic heating device (2) is connected with the air inlet pipe (1); the other end of foam generator main part (5) is connected to foam discharge pipe (8) through second union joint (7) the inner chamber left end of foam generator main part (5) is equipped with screen pipe (4) that punches, is equipped with feed liquor pipe (9) on the inner chamber left side of foam generator main part (5), the inner chamber right side of foam generator main part (5) is equipped with nylon wire (6).
Preferably, the left end of the perforated sieve tube (4) is communicated with the first union joint (3), the perforated sieve tube (4) is of a cylindrical structure, and sieve holes are uniformly distributed on the right side.
Preferably, the surfactant solution is injected into the inner cavity of the foam generator main body (5) through a liquid inlet pipe (9), and a liquid outlet at the inner end of the liquid inlet pipe (9) is opposite to the perforated sieve pipe (4).
Preferably, high pressure nitrogen is connected to the outer end of the inlet pipe (1).
Preferably, the right side of the perforated sieve tube (4) is uniformly distributed with spiral strip-shaped slots.
The utility model has the advantages that: the air inlet pipe and the liquid outlet pipe on two sides of the foam generator main body of the utility model are respectively connected through the first union joint and the second union joint, which can be quickly disassembled and the external pipeline can be replaced in time; secondly, the surfactant solution and nitrogen gas pass through a plurality of layers of fine nylon nets to generate fine nitrogen gas foam; thirdly, the electromagnetic heating device rapidly heats the low-temperature nitrogen, the finally formed foam liquid is guaranteed to have higher temperature, the temperature of the improved foam liquid is increased, the chemical reaction speed is doubled when the temperature is increased by 10 ℃, the chemical reaction speed is accelerated, the blockage of the stratum can be relieved, the construction injection pressure can be reduced, namely, the construction pump pressure is reduced, the acidized foam can thoroughly clean the shaft, the operation efficiency is improved, and the stratum pollution is reduced.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic diagram of a first embodiment of a perforated screen;
FIG. 3 is a schematic diagram of a second embodiment of a perforated screen;
in the upper diagram: the device comprises an air inlet pipe (1), an electromagnetic heating device (2), a first union joint (3), a perforated sieve pipe (4), a foam generator main body (5), a nylon net (6), a second union joint (7), a foam discharge pipe (8) and a liquid inlet pipe (9).
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Wherein, the left end and the first union joint (3) intercommunication of perforated screen pipe (4), perforated screen pipe (4) are the cylinder structure, and just there are the sieve mesh in right side evenly distributed, and the sieve mesh is the round hole.
In addition, a surfactant solution is injected into the inner cavity of the foam generator main body (5) through a liquid inlet pipe (9), and a liquid outlet at the inner end of the liquid inlet pipe (9) is over against the perforated sieve pipe (4); the high-pressure nitrogen is connected to the outer end of the air inlet pipe (1).
The utility model discloses a foam generator's work flow as follows:
high-pressure nitrogen is injected from the air inlet pipe 1, rapidly heated by the electromagnetic heating device 2 and enters the foam generator main body 5 through the perforated sieve pipe 4; meanwhile, the surfactant solution enters the interior of the foam generator main body 5 from the liquid inlet pipe 9; after the high-pressure nitrogen and the surfactant solution are primarily mixed in the foam generator main body 5, fine foam is formed through full obstruction of the nylon net 6, and then the fine foam is discharged through the foam discharge pipe 8 and injected into a field construction manifold or a well head for related operation.
The utility model makes the surfactant solution and nitrogen gas pass through a plurality of layers of fine nylon nets to generate fine nitrogen gas foam; in addition, the foam generator main body is connected with the pipelines at the two ends by the union, so that the pipelines at the two ends can be conveniently replaced; the utility model discloses at intake pipe online additional electromagnetic heating device, with low temperature nitrogen gas rapid heating, guarantee that the foam liquid that finally forms has higher temperature, avoid influencing the acidizing effect because of foam liquid temperature is low excessively.
the strip slots are uniformly distributed on the right side of the perforated sieve tube (4) and are arranged at intervals in a spiral manner, so that nitrogen can be sprayed out rightwards in a spiral manner, better mixing of surfactant solution can be realized, and further better foam generation can be realized.
Gas is injected from the gas inlet pipe 1, rapidly heated by the electromagnetic heating device 2 and enters the foam generator main body 5 in a spiral shape through the perforated sieve pipe 4; meanwhile, the surfactant solution enters the interior of the foam generator main body 5 from the liquid inlet pipe 9; after the gas and the liquid are primarily mixed in the foam generator main body 5, fine foam is formed through the full obstruction of the nylon net 6, and then the fine foam is discharged through the foam discharge pipe 8 and injected into a field construction manifold or a well head for related operation.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.
Claims (5)
1. A foam generator for oilfield operations, comprising: the device comprises an air inlet pipe (1), an electromagnetic heating device (2), a first union joint (3), a perforated sieve pipe (4), a foam generator main body (5), a nylon net (6), a second union joint (7), a foam discharging pipe (8) and a liquid inlet pipe (9), wherein one end of the foam generator main body (5) is connected with the electromagnetic heating device (2) through the first union joint (3), and the inlet end of the electromagnetic heating device (2) is connected with the air inlet pipe (1); the other end of foam generator main part (5) is connected to foam discharge pipe (8) through second union joint (7) the inner chamber left end of foam generator main part (5) is equipped with screen pipe (4) that punches, is equipped with feed liquor pipe (9) on the inner chamber left side of foam generator main part (5), the inner chamber right side of foam generator main part (5) is equipped with nylon wire (6).
2. The foam generator for use in oilfield operations of claim 1, wherein: the left end of the perforated sieve tube (4) is communicated with the first union joint (3), the perforated sieve tube (4) is of a cylindrical structure, and sieve holes are uniformly distributed on the right side.
3. The foam generator for use in oilfield operations of claim 1, wherein: surfactant solution is injected into the inner cavity of the foam generator main body (5) through a liquid inlet pipe (9), and a liquid outlet at the inner end of the liquid inlet pipe (9) is over against the perforated sieve pipe (4).
4. The foam generator for use in oilfield operations of claim 1, wherein: the high-pressure nitrogen is connected to the outer end of the air inlet pipe (1).
5. The foam generator for use in oilfield operations of claim 2, wherein: spiral strip-shaped slots are uniformly distributed on the right side of the perforated sieve tube (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922342018.0U CN211777337U (en) | 2019-12-24 | 2019-12-24 | Foam generator for oil field operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922342018.0U CN211777337U (en) | 2019-12-24 | 2019-12-24 | Foam generator for oil field operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211777337U true CN211777337U (en) | 2020-10-27 |
Family
ID=72975842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922342018.0U Active CN211777337U (en) | 2019-12-24 | 2019-12-24 | Foam generator for oil field operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211777337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113368719A (en) * | 2021-08-13 | 2021-09-10 | 中国石油集团川庆钻探工程有限公司 | High-pressure foam generating device suitable for downhole operation under different working conditions and preparation method |
-
2019
- 2019-12-24 CN CN201922342018.0U patent/CN211777337U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113368719A (en) * | 2021-08-13 | 2021-09-10 | 中国石油集团川庆钻探工程有限公司 | High-pressure foam generating device suitable for downhole operation under different working conditions and preparation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107626463A (en) | A kind of cavitation jet washer jet and system based on active control | |
| CN203565235U (en) | Low-pressure self-suction pressurization nozzle | |
| CN211777337U (en) | Foam generator for oil field operation | |
| CN103233923A (en) | Injection device for discharging accumulated fluids in shaft | |
| CN205206769U (en) | Sand washing of coiled tubing negative pressure is with spraying drainage device and sand washing system | |
| CN104930776A (en) | Novel snow maker | |
| CN202451476U (en) | Multi-nozzle steam ejector | |
| CN106285612B (en) | A kind of real-time control acid concentration method for oil gas field acid fracturing | |
| CN206495829U (en) | Pipe fitting type sprays supercharging drainage device | |
| CN108590612A (en) | A kind of super burn heater for oil shale in-situ cracking | |
| CN210410599U (en) | Make high-efficient disc granulator of haydite | |
| CN104646205A (en) | Low-pressure self-inspiration boosting nozzle | |
| CN201187488Y (en) | Flow adjustable type exposed oxygen fluidic device | |
| CN206203920U (en) | Waste water residual heat evaporator | |
| CN105363320B (en) | A kind of new and effective dealcoholysis formaldehyde absorbing tower | |
| CN109234667A (en) | A kind of device for Fracturing Pump Valve Box surface treatment | |
| CN109115020B (en) | Method for enhancing convection heat transfer of phase interface | |
| CN210829077U (en) | Self-oscillation supercritical carbon dioxide jet device | |
| CN203808958U (en) | Thermal oil extracting device by hybrid mixing steam and smoke from same furnace | |
| CN101649385A (en) | Spray tube for water spray quenching of steel tube | |
| CN102134503B (en) | Clean oil device for recycling natural gas and oil gas | |
| CN108590598B (en) | Water-gas dispersion system generation device, ground injection system and ground injection method | |
| CN206572800U (en) | A kind of coal gasification CO2 carrier gas energy conserving systems | |
| CN105841128B (en) | A kind of steam circulation recycle device | |
| CN206981043U (en) | A kind of high-pressure atomization type asphalt foaming experimental rig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230322 Address after: Room 602, Unit 1, Building 2, National Taxation Bureau, No. 66 Shihua Avenue, Korla City, Bayingolin Mongolian Autonomous Prefecture, Xinjiang Uygur Autonomous Region, 841000 Patentee after: Xinjiang Hengtong Mingtai Petroleum Technology Co.,Ltd. Address before: 1076 Beiyi Road, Dongying District, Dongying City, Shandong Province Patentee before: Dongying Huacai Yili Petroleum Technology Service Co.,Ltd. |
|
| TR01 | Transfer of patent right |