CN109681158A - A kind of device for carbon dioxide flooding oil tech - Google Patents
A kind of device for carbon dioxide flooding oil tech Download PDFInfo
- Publication number
- CN109681158A CN109681158A CN201910160124.9A CN201910160124A CN109681158A CN 109681158 A CN109681158 A CN 109681158A CN 201910160124 A CN201910160124 A CN 201910160124A CN 109681158 A CN109681158 A CN 109681158A
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- CN
- China
- Prior art keywords
- tank body
- carbon dioxide
- air
- pipe
- tube
- Prior art date
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/164—Injecting CO2 or carbonated water
Abstract
The invention discloses a kind of device for carbon dioxide flooding oil tech, including the first tank body, high-pressure pump, soft air-guide pipe, check valve, electric control valve, T-type pipe, connecting tube, divide gas connector, the second tank body, the first plunger pump, air pressure regulator, air gauge, U-tube, heater box, evaporator, jet pipe, the second plunger pump, spherical valve, ceramic round tube, through-hole and electrically heated rod.The present invention has rational design, with the adjusting consistent function of air pressure, solve the problems, such as because in tube body valve and plunger pump air pressure inside and transfer cask air pressure there are difference due to there is dry ice blocking damage conveying equipment, realize the function of stepwise disposal, be conducive to liquid carbon dioxide Safety output into heating furnace, realize the function to liquid carbon dioxide heating fast vaporizing, convenient for being subsequently implanted into well layer, by air gauge carry out observation and compared with air pressure in transfer cask, reach the consistent effect of air pressure.
Description
Technical field
It is specifically a kind of for carbon dioxide flooding oil tech the present invention relates to a kind of device of carbon dioxide flooding oil tech
Device belongs to exploitation of oil-gas field applied technical field.
Background technique
Second of Potential Evaluation of recovery ratio and Study of developing strategy are improved as a result, titanium dioxide according to the land developed field of China
Carbon has huge application potential, the existing explored 63.2 hundred million tons of low-permeability oil deposit crude oil storage in China in China's oil exploitation
Amount, especially wherein 50% or so reserves not yet employed have more obvious technical advantage than water drive with carbon dioxide flooding.
In carbon dioxide drive technical matters, since the valve pipe and plunger pump of output liquid carbon dioxide can be because inside them
The liquid carbon dioxide that air pressure is identical as ambient pressure and occurs exporting will form dry ice, so that will affect output equipment normally makes
With, while the tank interior air pressure for containing liquid carbon dioxide is high, if primary liquid carbon dioxide of directly releasing is in the presence of safe hidden
Suffer from, lack and be gradually depressured by the tank body of two alternating depressturisations, liquid carbon dioxide is vaporizated into gaseous carbon dioxide and needs
The long period is wanted, needs to improve heating structure by addition.Therefore, it proposes regarding to the issue above a kind of for carbon dioxide drive
The device of technology.
Summary of the invention
The object of the invention is that providing a kind of dress for carbon dioxide flooding oil tech to solve the above-mentioned problems
It sets.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of device for carbon dioxide flooding oil tech,
Including the first tank body, the second tank body, high-pressure pump, pressure regulating device, stepwise disposal mechanism and output heating mechanism, first tank
Body side has been placed in parallel the second tank body, and high-pressure pump is placed between the second tank body and the first tank body, the pressure regulating device
Including T-type pipe, soft air-guide pipe, electric control valve, check valve and divide gas connector, pacifies in the middle part of three branch pipes of the T-type pipe
Equipped with electric control valve, and T-type pipe both ends port is respectively communicated with and is mounted on the first top of the tank and the second top of the tank, and described point
The air inlet port of gas connector is mounted in the air outlet of high-pressure pump, and three air outlets of gas connector is divided to be respectively mounted
There is soft air-guide pipe, the stepwise disposal mechanism includes air pressure regulator, air gauge and the first plunger pump, and first plunger pump is set
There are two, and two first plunger pumps are installed in parallel between the first tank body and the second tank body, two first plungers
Pump both ends port passes through conduit and is connected to the first tank body and the second tank body, and the air pressure regulator is separately mounted to the first tank body
On the second tank body, and the first tank body and the second tank body are mounted on air gauge, the annular of first tank body and the second tank body
Inner wall is mounted on ceramic round tube, and the output heating mechanism includes heater box, evaporator, jet pipe, U-tube and the second plunger
Pump, the heating chamber interior wall two sides are mounted on evaporator, and middle part is equipped with jet pipe in heater box, second plunger pump
The connection of one end port is mounted on heater box side, and the other end port connection of the second plunger pump is mounted in the middle part of U-tube.
Preferably, two middle side part of U-tube is mounted on spherical valve, and the connection of U-tube both ends port is installed therein
On the conduit at one the first plunger pump both ends.
Preferably, the port surface annular of the ceramic round tube equidistantly offers multiple through-holes.
Preferably, two the first plunger pumps between first tank body and the second tank body are that opposite output input is set
It sets.
Preferably, described jet pipe one end port is mounted on the port of the second plunger pump, and nozzle surface offer it is multiple
Thin spray orifice.
Preferably, check valve is installed, and three soft air-guide pipes are respectively communicated with and are mounted on the soft air-guide pipe
In one tank body, in the second tank body and in connecting tube.
Preferably, the T-type pipe middle part branch pipe connection be mounted in connecting tube, and connecting tube one end by connection valve with
The output port of liquid carbon dioxide tank is connected to.
Preferably, the electric control valve is electrically connected by conductor wire and external power supply and built-in controller.
Preferably, the heater box is connect by appendix with carbon dioxide input equipment in well.
Preferably, electrically heated rod is installed, and electrically heated rod is electrically connected by conductor wire with external power supply in the through-hole
It connects.
The beneficial effects of the present invention are:
1. device design of this kind for carbon dioxide flooding oil tech is reasonable, has and adjust the consistent function of air pressure, solve
Because in tube body valve and plunger pump air pressure inside and transfer cask air pressure there are difference due to there is dry ice blocking damage conveying equipment
The problem of, by air gauge carry out observation and compared with air pressure in transfer cask, reach the consistent effect of air pressure.
2. apparatus structure of this kind for carbon dioxide flooding oil tech is compact, the function of stepwise disposal is realized, is conducive to
By liquid carbon dioxide Safety output into heating furnace.
3. device operation of this kind for carbon dioxide flooding oil tech is convenient, realize quick to liquid carbon dioxide heating
The function of vaporization, convenient for being subsequently implanted into well layer, by the second plunger pump by the liquid carbon dioxide injection heating of Safety output
It in jet pipe in case, and is sprayed in heater box, sprays fog-like.
Detailed description of the invention
Fig. 1 is overall structure of the present invention；
Fig. 2 is the integrally-built right view of the present invention；
Fig. 3 is the first tank interior structural schematic diagram of the invention.
In figure: 1, first tank body, 2, high-pressure pump, 3, soft air-guide pipe, 4, check valve, 5, electric control valve, 6, T-type pipe,
7, connecting tube, 8, divide gas connector, the 9, second tank body, the 10, first plunger pump, 11, air pressure regulator, 12, air gauge, 13, U-shaped
Pipe, 14, heater box, 15, evaporator, 16, jet pipe, the 17, second plunger pump, 18, spherical valve, 19, ceramic round tube, 20, through-hole,
21, electrically heated rod.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It please refers to shown in Fig. 1-3, a kind of device for carbon dioxide flooding oil tech, including the first tank body 1, the second tank body
9, high-pressure pump 2, pressure regulating device, stepwise disposal mechanism and output heating mechanism, 1 side of the first tank body have been placed in parallel the
Two tank bodies 9, and high-pressure pump 2 is placed between the second tank body 9 and the first tank body 1, the pressure regulating device includes T-type pipe 6, air guide
Hose 3, electric control valve 5, check valve 4 and divide gas connector 8, is mounted on electric adjustable in the middle part of three branch pipes of the T-type pipe 6
Valve 5 is saved, and 6 both ends port of T-type pipe is respectively communicated with and is mounted on 9 top of 1 top of the first tank body and the second tank body, it is described that gas is divided to connect
First 8 air inlet port is mounted in the air outlet of high-pressure pump 2, and three air outlets of gas connector 8 is divided to be mounted on
Soft air-guide pipe 3, the stepwise disposal mechanism include air pressure regulator 11, air gauge 12 and the first plunger pump 10, first column
There are two plug pump 10 is set, and two first plunger pumps 10 are installed in parallel between the first tank body 1 and the second tank body 9, and two
First plunger pump, the 10 both ends port passes through conduit and is connected to the first tank body 1 and the second tank body 9, the air pressure regulator 11
It is separately mounted on the first tank body 1 and the second tank body 9, and the first tank body 1 and the second tank body 9 are mounted on air gauge 12, it is described
The annular inner wall of first tank body 1 and the second tank body 9 is mounted on ceramic round tube 19, and the output heating mechanism includes heater box
14, evaporator 15, jet pipe 16, U-tube 13 and the second plunger pump 17, the 14 inner wall two sides of heater box are mounted on evaporator
15, and middle part is equipped with jet pipe 16 in heater box 14, one end port connection of second plunger pump 17 is mounted on heater box 14
Side, and the other end port connection of the second plunger pump 17 is mounted on 13 middle part of U-tube.
13 liang of middle side parts of the U-tube are mounted on spherical valve 18, and the connection of 13 both ends port of U-tube is installed therein one
On the conduit at a first plunger pump, 10 both ends, by operating spherical valve 18, achieve the effect that U-tube 13 is closed in dredging；The pottery
The port surface annular of porcelain round tube 19 equidistantly offers multiple through-holes 20, and it is logical to be easily installed electrically heated rod 21；First tank body, 1 He
Two the first plunger pumps 10 between second tank body 9 are that opposite output inputs setting, are conducive to the first tank body 1 and the second tank body
Mutual output input between 9；16 one end port of jet pipe is mounted on the port of the second plunger pump 17, and 16 surface of jet pipe
Multiple thin spray orifices are offered, are conducive to for liquid CO 2 being sprayed in heater box 14 with mist；The soft air-guide pipe 3
On check valve 4 is installed, and three soft air-guide pipes 3 are respectively communicated with and are mounted in the first tank body 1, in the second tank body 9 and even
In adapter tube 7, be conducive to the inside that high pressure gas is filled with counter structure；The middle part branch pipe connection of the T-type pipe 6 is mounted on connecting tube
On 7, and 7 one end of connecting tube is connected to by connection valve with the output port of liquid carbon dioxide tank, reaches docking output liquid dioxy
Change the effect of carbon；The electric control valve 5 is electrically connected by conductor wire and external power supply and built-in controller, is conducive to electricity
The operating status of dynamic regulating valve 5 is controlled；The heater box 14 is connected by carbon dioxide input equipment in appendix and well, is had
Conducive in the carbon dioxide repressurization injection well layer that will be vaporized；Electrically heated rod 21, and electric heating are installed in the through-hole 20
Stick 21 is electrically connected by conductor wire and external power supply, is conducive to 21 heating power of electrically heated rod.
In the use of the present invention, starting high-pressure pump 2 first produces when needing to export the liquid carbon dioxide in transfer cask
Raw high pressure gas is divided gas connector 8, soft air-guide pipe 3 and check valve 4 to respectively correspond the first tank body being filled in closed state
1, in the second tank body 9, T-type pipe 6 and connecting tube 7, it is equal to the air pressure in transfer cask to air pressure inside everywhere, and pass through air gauge 12
Carry out observation and compared with air pressure in transfer cask, reach the consistent effect of air pressure, solve because inside tube body valve and plunger pump
In air pressure and transfer cask there is difference and dry ice blocking damage conveying equipment occur in air pressure；
It is opened by two electric control valves 5 at 6 middle part of starting T-type pipe and one end, so that the liquid dioxy in transfer cask
Change carbon to enter in the first tank body 1, close the electric control valve 5 of two openings at this time, then carries out the air pressure in the second tank body 9
Discharge, and implemented by corresponding air pressure regulator 11, in the air pressure to the first tank body 1 discharged in the second tank body 9 every time
The one third of portion's air pressure, while being infused the liquid carbon dioxide in the first tank body 1 by the first plunger pump 10 of a starting
Enter in the second tank body 9, after the second tank body 9 fills, the first plunger pump 10 of the starting is out of service, and the first empty tank body 1
Inside is in negative pressure state, is at this time again reached 1 air pressure inside of the first tank body equipped with liquid carbon dioxide by high-pressure pump 2
The one third of second tank body, 9 air pressure inside, then by the first plunger pump 10 of another starting by the liquid in the second tank body 9
In first tank body 1 of state carbon dioxide injection low pressure, by reducing air pressure in tank body step by step and aforesaid operations being repeated several times, realize
The function of stepwise disposal, is conducive to liquid carbon dioxide Safety output into heating furnace；
When needing to accelerate liquid carbon dioxide vaporization rate, by the second plunger pump 17 by the liquid dioxy of Safety output
Change in the jet pipe 16 in carbon injection heating case 14, and be sprayed in heater box 14, sprinkling is fog-like, passes through the evaporator 15 of energization
A large amount of high temperature is generated, so that liquid carbon dioxide fast vaporizing, heats fast vaporizing to liquid carbon dioxide to realize
Function, convenient for being subsequently implanted into well layer.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that by fall in claim with all in the meaning and scope of important document
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of device for carbon dioxide flooding oil tech, it is characterised in that: including the first tank body (1), the second tank body (9),
High-pressure pump (2), pressure regulating device, stepwise disposal mechanism and output heating mechanism, the first tank body (1) side has been placed in parallel
Second tank body (9), and high-pressure pump (2) are placed between the second tank body (9) and the first tank body (1)；
The pressure regulating device includes T-type pipe (6), soft air-guide pipe (3), electric control valve (5), check valve (4) and divides gas connector
(8), it is mounted on electric control valve (5) in the middle part of three branch pipes of the T-type pipe (6), and T-type pipe (6) both ends port connects respectively
Logical to be mounted at the top of the first tank body (1) and at the top of the second tank body (9), the air inlet port for dividing gas connector (8) is mounted on height
In the air outlet of compression pump (2), and three air outlets of gas connector (8) is divided to be mounted on soft air-guide pipe (3)；
The stepwise disposal mechanism includes air pressure regulator (11), air gauge (12) and the first plunger pump (10), first column
There are two plug pump (10) is set, and two first plunger pumps (10) be installed in parallel in the first tank body (1) and the second tank body (9) it
Between, two the first plunger pump (10) both ends ports pass through conduit and are connected to the first tank body (1) and the second tank body (9), institute
It states air pressure regulator (11) to be separately mounted on the first tank body (1) and the second tank body (9), and the first tank body (1) and the second tank body
(9) it is mounted on air gauge (12), the annular inner wall of first tank body (1) and the second tank body (9) is mounted on ceramic round tube
(19)；
The output heating mechanism includes heater box (14), evaporator (15), jet pipe (16), U-tube (13) and the second plunger pump
(17), heater box (14) the inner wall two sides are mounted on evaporator (15), and middle part is equipped with jet pipe in heater box (14)
(16), one end port of second plunger pump (17), which is connected to, is mounted on heater box (14) side, and the second plunger pump (17)
The connection of other end port is mounted in the middle part of U-tube (13).
2. a kind of device for carbon dioxide flooding oil tech according to claim 1, it is characterised in that: the U-tube
(13) two middle side parts are mounted on spherical valve (18), and the connection of U-tube (13) both ends port is installed therein first plunger
On the conduit for pumping (10) both ends.
3. a kind of device for carbon dioxide flooding oil tech according to claim 1, it is characterised in that: the ceramics circle
The port surface annular of pipe (19) equidistantly offers multiple through-holes (20).
4. a kind of device for carbon dioxide flooding oil tech according to claim 1, it is characterised in that: first tank
Two the first plunger pumps (10) between body (1) and the second tank body (9) are that opposite output inputs setting.
5. a kind of device for carbon dioxide flooding oil tech according to claim 1, it is characterised in that: the jet pipe
(16) one end port is mounted on the port of the second plunger pump (17), and jet pipe (16) surface offers multiple thin spray orifices.
6. a kind of device for carbon dioxide flooding oil tech according to claim 1, it is characterised in that: the air guide is soft
Be equipped with check valve (4) on pipe (3), and three soft air-guide pipes (3) be respectively communicated be mounted in the first tank body (1), second
In tank body (9) and in connecting tube (7).
7. a kind of device for carbon dioxide flooding oil tech according to claim 1, it is characterised in that: the T-type pipe
(6) middle part branch pipe connection is mounted on connecting tube (7), and connecting tube (7) one end passes through connection valve and liquid carbon dioxide tank
Output port connection.
8. a kind of device for carbon dioxide flooding oil tech according to claim 1, it is characterised in that: the electric adjustable
Valve (5) are saved to be electrically connected by conductor wire and external power supply and built-in controller.
9. a kind of device for carbon dioxide flooding oil tech according to claim 1, it is characterised in that: the heater box
(14) it is connect by appendix with carbon dioxide input equipment in well.
10. a kind of device for carbon dioxide flooding oil tech according to claim 1, it is characterised in that: the through-hole
(20) it is equipped with electrically heated rod (21) in, and electrically heated rod (21) is electrically connected by conductor wire and external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910160124.9A CN109681158B (en) | 2019-03-04 | 2019-03-04 | Device for carbon dioxide flooding technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910160124.9A CN109681158B (en) | 2019-03-04 | 2019-03-04 | Device for carbon dioxide flooding technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109681158A true CN109681158A (en) | 2019-04-26 |
| CN109681158B CN109681158B (en) | 2020-11-24 |
Family
ID=66197489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910160124.9A Expired - Fee Related CN109681158B (en) | 2019-03-04 | 2019-03-04 | Device for carbon dioxide flooding technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109681158B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374453A (en) * | 2021-07-13 | 2021-09-10 | 秦昊良 | Carbon dioxide gas injection device for carbon dioxide flooding |
| CN113803632A (en) * | 2021-11-19 | 2021-12-17 | 德仕能源科技集团股份有限公司 | Gas storage device for carbon dioxide flooding |
| CN114517670A (en) * | 2022-02-19 | 2022-05-20 | 北京安德兴石油技术有限公司 | Thick oil viscosity reducer well head filling device |
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| CN1176991A (en) * | 1996-08-28 | 1998-03-25 | 三菱重工业株式会社 | Process for removal and high-pressure recovery of carbon dioxide from high-pressure raw gas and system therefor |
| US20070187151A1 (en) * | 2006-02-13 | 2007-08-16 | Decker Randal L | Pumping system for injecting a mixture of liquids via a well into a subterranean formation |
| CN207112362U (en) * | 2017-06-28 | 2018-03-16 | 中化重庆涪陵化工有限公司 | Avoid the nitrogen fertilizer plant high-pressure carbon dioxide blowdown system of line clogging |
| CN108730759A (en) * | 2018-08-15 | 2018-11-02 | 河南省日立信股份有限公司 | Air-cooled carbon dioxide carburetion system and its vaporization constant temperature pressure regulation method |
| CN108756821A (en) * | 2018-05-28 | 2018-11-06 | 中国石油大学(华东) | Oil well thermoelectric heat generation system and method |
-
2019
- 2019-03-04 CN CN201910160124.9A patent/CN109681158B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1176991A (en) * | 1996-08-28 | 1998-03-25 | 三菱重工业株式会社 | Process for removal and high-pressure recovery of carbon dioxide from high-pressure raw gas and system therefor |
| US20070187151A1 (en) * | 2006-02-13 | 2007-08-16 | Decker Randal L | Pumping system for injecting a mixture of liquids via a well into a subterranean formation |
| CN207112362U (en) * | 2017-06-28 | 2018-03-16 | 中化重庆涪陵化工有限公司 | Avoid the nitrogen fertilizer plant high-pressure carbon dioxide blowdown system of line clogging |
| CN108756821A (en) * | 2018-05-28 | 2018-11-06 | 中国石油大学(华东) | Oil well thermoelectric heat generation system and method |
| CN108730759A (en) * | 2018-08-15 | 2018-11-02 | 河南省日立信股份有限公司 | Air-cooled carbon dioxide carburetion system and its vaporization constant temperature pressure regulation method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374453A (en) * | 2021-07-13 | 2021-09-10 | 秦昊良 | Carbon dioxide gas injection device for carbon dioxide flooding |
| CN113803632A (en) * | 2021-11-19 | 2021-12-17 | 德仕能源科技集团股份有限公司 | Gas storage device for carbon dioxide flooding |
| CN114517670A (en) * | 2022-02-19 | 2022-05-20 | 北京安德兴石油技术有限公司 | Thick oil viscosity reducer well head filling device |
| CN114517670B (en) * | 2022-02-19 | 2023-09-05 | 安塞海翔工贸有限责任公司 | Well head filling device for thickened oil viscosity reducer |
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| CN109681158B (en) | 2020-11-24 |
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