CN107882711A - Well huge discharge hyperpressure supercritical carbon dioxide booster pump and carrying method - Google Patents
Well huge discharge hyperpressure supercritical carbon dioxide booster pump and carrying method Download PDFInfo
- Publication number
- CN107882711A CN107882711A CN201711386713.6A CN201711386713A CN107882711A CN 107882711 A CN107882711 A CN 107882711A CN 201711386713 A CN201711386713 A CN 201711386713A CN 107882711 A CN107882711 A CN 107882711A
- Authority
- CN
- China
- Prior art keywords
- carbon dioxide
- supercritical carbon
- pump housing
- hydraulic jack
- piston
- 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.)
- Withdrawn
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/12—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/18—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use for specific elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/20—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by changing the driving speed
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
Abstract
The present invention relates to a kind of well huge discharge hyperpressure supercritical carbon dioxide booster pump and carrying method, belongs to well carbon dioxide conveying technology field.Including the pump housing（2）, piston（3）And hydraulic jack（1）, piston（3）It is slidably arranged in the pump housing（2）It is interior, piston（3）With hydraulic jack（1）Output end connection, piston（3）It is provided with liquid feed valve（4）, the pump housing（2）One end be connected with discharge opeing component, the other end is provided with supercritical carbon dioxide input pipe（5）；The pump housing（2）It is connected with leak detection mechanism.Gaseous carbon dioxide is pressurized to supercriticality first；Then supercritical carbon dioxide is continued to be pressurized under 10 ~ 100Mpa injection wells using booster pump.The present invention promotes piston using the elevated pressures of supercritical carbon dioxide, saves the part thrust of hydraulic jack, and simple in construction, safety, and thrust is big, meets that high pressure conveying requires.
Description
Technical field
Well huge discharge hyperpressure supercritical carbon dioxide booster pump and carrying method, belong to well and are conveyed with carbon dioxide
Technical field.
Background technology
Liquid carbon dioxide is widely used in every field, but the storage of liquid carbon dioxide and conveying are to restrict it
The major reason of application, carbon dioxide are all that will be obtained in chemical enterprise in production process after caused carbon dioxide recovery liquefaction
Arrive, and application places are all in remote districts such as oil wells, are conveyed using tank car in the past, conveying cost is very high.
Then turn into preferably selection using Pipeline transport carbon dioxide, preferable state is that carbon dioxide is pressurized into 7 ~ 8Mpa's or so
Supercriticality, carbon dioxide is directly delivered to application places using pipeline, this is also inventor by being sent out certainly
It is existing, it is not method commonly used in the art, at present both at home and abroad without suitable equipment with by the dioxy under supercriticality
Change carbon to be pressurized, the plunger pump of general crankshaft-link rod, piston pump speed are high easily to occur inorganization leakage, be not suitable for by
High pressure, contain hazardous gas（Hydrogen sulfide etc.）Medium continue supercharging after conveyed, although membrane pump can avoid letting out
Dew is pressurized, but the life-span of membrane pump is too short, can only be used 15 days or so, can not be met requirement at all, can also
With compressor boost, but supercritical carbon dioxide varies with temperature easy liquefaction, the linear velocity of compressor typically 2m/s with
On, it is abnormally dangerous if the carbon dioxide after liquefaction is easy to puncture compressor with compressor boost conveying, cause equipment to damage
It is bad.
The content of the invention
The technical problem to be solved in the present invention is：Overcome the deficiencies in the prior art, there is provided a kind of simple in construction, conveying is surely
It is fixed, for built in all position wholes for being possible to leakage, and be provided with leak detection hole, accomplish there is medium and hydraulic oil to reveal
With regard to alarm, gaseous medium or pressurized liquid medium can be pressurized, improves the well huge discharge superelevation of the service life of pump
Pressure supercritical carbon dioxide booster pump and carrying method.
The present invention is additionally provided with gas leakage alarm sensor and liquid leakage alarm sensor, the gas when there is gas leakage
Alarm sensor action alarm is revealed, liquid leakage alarm sensor acts when there is hydraulic fluid leak, more securely and reliably.
The technical solution adopted for the present invention to solve the technical problems is：The well overcritical dioxy of huge discharge hyperpressure
Change carbon booster pump, it is characterised in that：Including the pump housing, piston and hydraulic jack, piston is slidably arranged in the pump housing, piston and hydraulic pressure
The output end connection of oil cylinder, piston are provided with liquid feed valve, and one end of the pump housing is connected with discharge opeing component, and the other end is provided with overcritical two
Carbonoxide input pipe；The pump housing is connected with leak detection mechanism.
The leak detection mechanism includes gas leakage alarm sensor, and the pump housing opens up gas in one end close to hydraulic jack
Body leak detection passage, the inner connection combination sealing of gas leakage sense channel, outer end connection gas leakage alarm sensor.
The leak detection mechanism includes fluid leakage alarm sensor, and the pump housing opens up liquid in one end close to hydraulic jack
Body leak detection passage, the inner connection combination sealing of fluid leakage sense channel, outer end connection fluid leakage alarm sensor.
The pump housing has be symmetricly set on hydraulic jack both ends two.
The pump housing includes the feed liquor pump housing and the liquid storage pump housing, and admission chamber is opened in liquid feeding pump body, liquid storage pump housing one end with
The feed liquor pump housing is fixedly connected, other end connected drainage component；
Opened up in the liquid storage pump housing and accommodate piston liquid storage cylinder in axial sliding, liquid is connected after the hermetically passing feed liquor pump housing of piston rod one end
The output end of compressing cylinder, other end connection piston.
Two feed liquor pump housings are symmetrically fixed on the both ends of hydraulic jack, and the feed liquor pump housing is fixedly connected with firm banking.
The discharge opeing component is tapping valve.
The supercritical carbon dioxide input pipe is arranged on sidepiece or the bottom of the pump housing.
The horizontal or vertical setting of hydraulic jack, the pump housing are coaxially fixed on the end of hydraulic jack.
A kind of carbon dioxide carrying method, it is characterised in that：Comprise the following steps：
1）, gaseous carbon dioxide is pressurized to supercriticality；
2）, using pipeline by supercritical carbon dioxide be delivered to carbon dioxide using scene；
3）, using well huge discharge hyperpressure supercritical carbon dioxide booster pump supercritical carbon dioxide continued to be pressurized to 15
~ 100Mpa, then injects carbon dioxide into underground.
The linear velocity of hydraulic jack is 0.15 ~ 0.3 m/s.
Compared with prior art, beneficial effect possessed by the present invention is：The present invention utilizes supercritical carbon dioxide
Elevated pressures promote piston, save the part thrust of hydraulic jack, the side of piston be liquid feeding side, and opposite side is is pressurized
Side, at work, the effect of hydraulic jack and liquid feeding side is same direction, and jointly relative with supercharging side, such feed liquor
The pressure of side（The pressure of supercritical carbon dioxide）The pressure for constituting supercharging side is added with the pressure of hydraulic jack, liquid feeding side
Pressure acts on the back side at plunger booster end, forms back pressure, that is to say, that supercritical carbon dioxide inputs during discharge opeing
The pressure of supercritical carbon dioxide is acted on piston all the time at pipe, also just alleviates 7 ~ 8Mpa of hydraulic jack thrust, is improved
The efficiency of pump, can save a big chunk energy, this is that crankshaft-link rod reciprocating pump is not accomplished.As a result of liquid
Compressing cylinder, linear velocity can be reduced to 0.2m/s, even if there is co 2 liquefaction, also equipment will not be caused to damage.
Carbon dioxide is pressurized to supercriticality by the present invention first, and now carbon dioxide is with liquid carbon dioxide
High density feature, there is gaseous carbon dioxide low viscosity feature again, be especially suitable for pipeline transport, transported using pipeline to after scene
Recycle the booster pump of the present invention to be pressurized to required pressure and be sent into underground for the displacement of reservoir oil, expelling water etc..
It is axially moved using the piston reciprocating in hydraulic jack transfer tube body, realizes the conveying of liquid carbon dioxide and turn
Deposit, because the pressure and speed of hydraulic jack are easy to adjust, can be worked with lower linear velocity, even if occurring in cylinder body certain
Carbon dioxide vaporization, the volume benefit of pump is not interfered with yet, because at low speeds, the carbon dioxide of vaporization can be had
Effect discharge pump chamber, the output of pump is stable, effectively improves the service life of pump.
The feed liquor of the present invention, work are completed in admission chamber, realize that low speed heavy pressure conveys using hydraulic jack, pressure can be with
Reach more than 200T, this is that crankshaft-link rod reciprocating structure is difficult to.It is simple in construction, it is easy for installation, overcome conventional installation
It is cumbersome, the problems such as taking.
Brief description of the drawings
Fig. 1 is the structural representation of the well huge discharge hyperpressure supercritical carbon dioxide booster pump.
Wherein：1st, hydraulic jack 2, the pump housing 3, piston 4, liquid feed valve 5, supercritical carbon dioxide input pipe 6,
Fluid leakage alarm sensor 7, fluid leakage sense channel 8, tapping valve 9, gas leakage sense channel 10, gas
Reveal alarm sensor.
Embodiment
Fig. 1 is the well huge discharge hyperpressure supercritical carbon dioxide booster pump and device most preferred embodiment, is tied below
Closing accompanying drawing 1, the present invention will be further described.
Referring to Fig. 1, the well includes hydraulic jack 1, the and of the pump housing 2 with huge discharge hyperpressure supercritical carbon dioxide booster pump
Piston 3, piston 3 are slidably arranged in the pump housing 2 and are connected with the output end of hydraulic jack 1, and hydraulic jack 1 is laterally set, piston 3
One end is provided with liquid feed valve 4, and the other end connects the output end of hydraulic jack 1, and one end of the pump housing 2 is connected with tapping valve 8, and the other end is set
There is supercritical carbon dioxide input pipe 5, supercritical carbon dioxide input pipe 5 is arranged on the sidepiece of the pump housing 2.The present invention utilizes hydraulic pressure
Oil cylinder 1 drives the reciprocal axial motion of piston 3 in the pump housing 2, is injected after supercritical carbon dioxide is pressurized in oil well, overcritical two
The pressure of carbonoxide is added with the pressure of hydraulic jack 1 constitutes the pressure that piston 3 is pressurized side, the pressure of supercritical carbon dioxide
The back side that piston 3 is pressurized side is acted on, forms back pressure, also just alleviates 7 ~ 8Mpa of hydraulic jack thrust, improves the effect of pump
Rate, a big chunk energy can be saved, and the pressure of hydraulic jack 1 and speed are easy to adjust, can be with relatively low linear speed
Degree promotes piston 3 to move back and forth, and so as to which the liquid carbon dioxide inside the pump housing 2 is smoothly discharged, ensures the work effect of pump
Rate and stable output.
As more preferred scheme, the pump housing 2 in the present embodiment has be symmetricly set on the both ends of hydraulic jack 1 two,
A piston 3 is respectively equipped with the pump housing 2, such hydraulic jack 1 drives two pistons 3 to work simultaneously, and operating efficiency is higher, one
Another discharge opeing of pump housing 2 during 2 feed liquor of the pump housing, reduce pulsations affect.To be easy for installation, 1 horizontal or vertical setting of hydraulic jack, when
So hydraulic jack 1 can also be designed as needed inclined.Two pump housings 2 are symmetrically fixed on the both ends of hydraulic jack 1.
The structure of the drain side of the pump housing 2 of the present invention can use the rectangular shaped of the left side pump housing 2, can also use thus elbow knot
Structure.Preferable scheme is to use right side drain side elbow structure, and the carbon dioxide in such pump housing 2 is after the discharge of tapping valve 8
Discharged by elbow, avoid right angle from producing cavitation erosion, improve service life.
The pump housing 2 opens up gas leakage sense channel 9 in one end close to hydraulic jack 1, gas leakage sense channel 9 it is interior
End connection combination sealing, outer end connection gas leakage alarm sensor 10.The pump housing 2 opens up liquid in one end close to hydraulic jack 1
Body leak detection passage 7, the inner connection combination sealing of fluid leakage sense channel 7, outer end connection fluid leakage alarm sensing
Device 6.Fluid leakage alarm sensor 6 can use float sensor, the gas leakage alarm sensor 10 when there is gas leakage
Action alarm, the float sensor when there is hydraulic fluid leak, action are more safe and reliable.
The course of work：Hydraulic jack 1 moves back and forth band piston 3 and moved back and forth, and is illustrated by taking left hand piston 3 as an example,
When left hand piston 3 moves to the left, liquid feed valve 4 is closed, and tapping valve 8 is opened, and piston 3 promotes the carbon dioxide in the pump housing 2 to lead to
Cross in carbon dioxide output pipe injection oil well or other devices, pipeline, overcritical two during piston 3 is moved to the left
The pressure for the supercritical carbon dioxide that carbonoxide input pipe goes out acts on piston 3 all the time, forms back pressure, that is, piston 3 moves
The pressure of carbon dioxide at supercritical carbon dioxide input pipe 5 is also received in dynamic process.Piston 3 in place after, hydraulic jack 1
Band piston 3 is moved to the right, and now tapping valve 8 is closed, and liquid feed valve 4 is opened, and supercritical carbon dioxide input pipe goes out super
Critical carbon dioxide enters in the pump housing 2 by the pressure of its own, and so on completes the conveying or unloading of carbon dioxide.
The present invention also provides a kind of carbon dioxide carrying method, comprises the following steps：
1）, gaseous carbon dioxide is pressurized to supercriticality；
2）, using pipeline by supercritical carbon dioxide be delivered to carbon dioxide using scene；
3）, using well huge discharge hyperpressure supercritical carbon dioxide booster pump supercritical carbon dioxide continued to be pressurized to 15
~ 100Mpa, then injects carbon dioxide into underground.
Carbon dioxide is pressurized to supercriticality by the present invention first, and now carbon dioxide is with liquid carbon dioxide
High density feature, there is gaseous carbon dioxide low viscosity feature again, be especially suitable for pipeline transport, transported using pipeline to after scene
Recycle the booster pump of the present invention to be pressurized to required pressure and be sent into underground for the displacement of reservoir oil, expelling water etc..
More than, only it is presently preferred embodiments of the present invention, is not the limitation for making other forms to the present invention, it is any ripe
Know the equivalent reality that professional and technical personnel was changed or be modified as equivalent variations possibly also with the technology contents of the disclosure above
Apply example.But it is every without departing from technical solution of the present invention content, above example is made according to technical spirit of the invention
Any simple modification, equivalent variations and remodeling, still fall within the protection domain of technical solution of the present invention.
Claims (8)
- A kind of 1. well huge discharge hyperpressure supercritical carbon dioxide booster pump, it is characterised in that：Including the pump housing（2）, piston （3）And hydraulic jack（1）, piston（3）It is slidably arranged in the pump housing（2）It is interior, piston（3）With hydraulic jack（1）Output end connection, Piston（3）It is provided with liquid feed valve（4）, the pump housing（2）One end be connected with discharge opeing component, it is defeated that the other end is provided with supercritical carbon dioxide Enter pipe（5）；The pump housing（2）It is connected with leak detection mechanism.
- 2. well according to claim 1 huge discharge hyperpressure supercritical carbon dioxide booster pump, it is characterised in that：Institute Stating leak detection mechanism includes gas leakage alarm sensor（10）, the pump housing（2）Close to hydraulic jack（1）One end open up gas Body leak detection passage（9）, gas leakage sense channel（9）Inner connection combination sealing, outer end connection gas leakage alarm Sensor（10）.
- 3. well according to claim 1 huge discharge hyperpressure supercritical carbon dioxide booster pump, it is characterised in that：Institute Stating leak detection mechanism includes fluid leakage alarm sensor（6）, the pump housing（2）Close to hydraulic jack（1）One end open up liquid Body leak detection passage（7）, fluid leakage sense channel（7）Inner connection combination sealing, outer end connection fluid leakage alarm Sensor（6）.
- 4. the well huge discharge hyperpressure supercritical carbon dioxide booster pump according to any one of claim 1 ~ 3, it is special Sign is：The pump housing（2）It is symmetricly set on hydraulic jack（1）Two of both ends.
- 5. well according to claim 1 huge discharge hyperpressure supercritical carbon dioxide booster pump, it is characterised in that：Institute It is tapping valve to state discharge opeing component（8）.
- 6. well according to claim 1 huge discharge hyperpressure supercritical carbon dioxide booster pump, it is characterised in that：Institute State supercritical carbon dioxide input pipe（5）It is arranged on the pump housing（2）Sidepiece or bottom.
- 7. well according to claim 1 huge discharge hyperpressure supercritical carbon dioxide booster pump, it is characterised in that：Institute State hydraulic jack（1）Horizontal or vertical setting, the pump housing（2）Coaxially it is fixed on hydraulic jack（1）End.
- A kind of 8. supercritical carbon dioxide carrying method, it is characterised in that：Comprise the following steps：1）, gaseous carbon dioxide is pressurized to supercriticality；2）, using pipeline by supercritical carbon dioxide be delivered to carbon dioxide using scene；3）, will be super with huge discharge hyperpressure supercritical carbon dioxide booster pump using the well described in any one of claim 1 ~ 7 Critical carbon dioxide continues to be pressurized to 10 ~ 100Mpa, then injects carbon dioxide into underground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711386713.6A CN107882711A (en) | 2017-12-20 | 2017-12-20 | Well huge discharge hyperpressure supercritical carbon dioxide booster pump and carrying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711386713.6A CN107882711A (en) | 2017-12-20 | 2017-12-20 | Well huge discharge hyperpressure supercritical carbon dioxide booster pump and carrying method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107882711A true CN107882711A (en) | 2018-04-06 |
Family
ID=61771152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711386713.6A Withdrawn CN107882711A (en) | 2017-12-20 | 2017-12-20 | Well huge discharge hyperpressure supercritical carbon dioxide booster pump and carrying method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107882711A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094188A (en) * | 2019-04-09 | 2019-08-06 | 中国石油集团济柴动力有限公司成都压缩机分公司 | A kind of stepped voltage regulation system and method for supercritical carbon dioxide compressibility |
-
2017
- 2017-12-20 CN CN201711386713.6A patent/CN107882711A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094188A (en) * | 2019-04-09 | 2019-08-06 | 中国石油集团济柴动力有限公司成都压缩机分公司 | A kind of stepped voltage regulation system and method for supercritical carbon dioxide compressibility |
| CN110094188B (en) * | 2019-04-09 | 2021-06-01 | 中国石油天然气集团有限公司 | Grading pressure regulating system and method of supercritical carbon dioxide compression system |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180406 |
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| WW01 | Invention patent application withdrawn after publication |