CN104975830A - Device and method for movable nitrogen production and nitrogen injection - Google Patents
Device and method for movable nitrogen production and nitrogen injection Download PDFInfo
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- CN104975830A CN104975830A CN201510382320.2A CN201510382320A CN104975830A CN 104975830 A CN104975830 A CN 104975830A CN 201510382320 A CN201510382320 A CN 201510382320A CN 104975830 A CN104975830 A CN 104975830A
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- nitrogen
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Abstract
The invention provides a device and method for movable nitrogen production and nitrogen injection. The device comprises an air compressor set, a nitrogen generating system, a nitrogen pressurization system, a nitrogen distribution system, a control system and a fork lifter. On the fork lifter, the air compressor set is communicated with the nitrogen generating system, the nitrogen generating system is communicated with the nitrogen pressurization system, and the nitrogen pressurization system is communicated with the nitrogen distribution system. The air compressor set, the nitrogen generating system, the nitrogen pressurization system and the nitrogen distribution system are respectively connected with the control system. The method for movable nitrogen production and nitrogen injection comprises compressing air through the air compressor set and then causing the air to enter the nitrogen generating system to generate nitrogen, pressurizing the obtained nitrogen through the nitrogen pressurization system and then causing the nitrogen to enter the nitrogen distribution system, and causing each path of nitrogen obtained through the distribution by the nitrogen distribution system to be injected in different wellheads. The device for movable nitrogen production and nitrogen injection can simultaneously inject nitrogen into the wellheads having different pressure requirements.
Description
Technical field
The invention belongs to oil extraction in oil field technology, relate generally to a kind of removable nitrogen making and injection device and method thereof.
Background technology
Along with the scale of steam flooding, SAGD, steam soak is implemented, oil field has entered the exploitation middle and later periods.Current oil reservoir is dark, and stratum energy is not enough, and the steam soak of high round, steam flooding have been not enough to offset stratum energy deficit, and cause steam injection than declining, moisture content increases, and some oil well has arrived the economic limit of exploitation.
Nitrogen has that coefficient of thermal expansion is low, heat conductivity is low, heat up the characteristic such as slow, non-combustible also not combustion-supporting, therefore can be widely used in nitrogen pipeline purging in oil field oil exploitation process, recover the oil tubing string oil production technology technology, inflated with nitrogen under-balanced drilling technology, gas well draining, gas lift liquid drainage integrated pipe column, water injection well+nitrogen foam agent composite slug profile control technique, steam-nitrogen combined drive, a heavy oil wells nitrogen of oil tank replacement technique, nitrogen foam profile control technology, nitrogen-gas heat-insulating steam injection helps the occasion such as drainage technique, heavy crude heat extraction well shaft nitrogen-gas heat-insulating technique, be widely used.Simultaneously nitrogen gas source extensively (volume of nitrogen account for total atmosphere long-pending 78.12%), easily obtain.
But, when constructing, current nitrogen car processed generally can only realize the corresponding a bite well of a set of vehicle-mounted nitrogen-making device, and several mouthfuls of adjacent wells need at the same time note nitrogen construction time, can only realize by preparing many nitrogen cars processed, and this mode can be subject to the restriction in place, and nitrogen car processed is transferred frequently and is also reduced its efficiency of actual.
Summary of the invention
For solving the problem, the object of the present invention is to provide a kind of packaged type nitrogen making and injection device, this device can realize needing the well head asked to note nitrogen to different pressures simultaneously.
Another object of the present invention is to provide a kind of method utilizing said apparatus to carry out nitrogen making and injection.
For achieving the above object, the invention provides a kind of removable nitrogen making and injection device, this device comprises: air compressor unit, nitrogen gas generation system, nitrogen pressurization system, nitrogen distribution system, control system and sledge car;
Described sledge car is provided with described air compressor unit, nitrogen gas generation system, nitrogen pressurization system, nitrogen distribution system and control system; Described air compressor unit is communicated with described nitrogen gas generation system, and described nitrogen gas generation system is communicated with described nitrogen pressurization system, and described nitrogen pressurization system is communicated with described nitrogen distribution system; Described air compressor unit, nitrogen gas generation system, nitrogen pressurization system, nitrogen distribution system are connected with described control system;
Described nitrogen distribution system comprises nitrogen inlet house steward, nitrogen outlet distribution pipe, electric control valve, parameters input end, single-chip microcomputer and gauge assembly, described parameters input end and the integrated distribution control part of described single-chip microcomputer; Described nitrogen inlet house steward is communicated with described distribution control part, and described distribution control part is communicated with described nitrogen outlet distribution pipe, and described nitrogen outlet distribution pipe is provided with electric control valve and gauge assembly;
The quantity of described nitrogen outlet distribution pipe is two or more, for being arranged in parallel between each distribution pipe;
The parameter value of the parameter value that described distribution control part is inputted by calculating parameter input, nitrogen inlet house steward is (by being located at instrument detected pressures, volume, the temperature on pipeline, i.e. P/V/T) and the instrument value of gauge assembly control the aperture of electric control valve, realize distributing and control.
In said apparatus, each system is assembled on sledge car by integral device modularized design, by reasonably arrangement space position, can reduce equipment volume, realizes Oil Field movable nitrogen making note nitrogen;
Air compressor unit is passed through to extract air, by air Injection nitrogen generation equipment;
Nitrogen is isolated by nitrogen gas generation system from compressed air;
Nitrogen pressurization system passes through to improve nitrogen outlet pressure, to meet field demand;
Nitrogen distribution system can distribute and obtains multichannel nitrogen;
The operation that control system realizes each equipment in whole nitrogen making and injection device controls, and the secondary meter value of whole system can feed back to control system and detect.
Distribution control part in nitrogen distribution system, its parameters input end (such as touch-screen) is used for arranging the parameter value of each distribution circuit, and single-chip microcomputer calculates motorized adjustment valve opening by computing, thus realizes the distribution control work that nitrogen one tunnel becomes multichannel.
In said apparatus, preferably, described gauge assembly comprises pressure meter, flowmeter and thermometer.
In said apparatus, preferably, described nitrogen gas generation system adopts UF membrane to carry out nitrogen processed.Film separation and nitrogen-making is the difference according to various gas rate of dissolution and diffusion coefficient in film, the characteristic realization nitrogen processed that gas with various relative permeation rates in film is different.Nitrogen gas generation system in this device adopts film imported isolation technics that the compressed air supplied from air compressor unit gas supply line is carried out UF membrane, thus produce nitrogen.
In said apparatus, preferably, the type of drive of described air compressor unit is diesel driven or electric drive.
In said apparatus, preferably, described nitrogen pressurization system is classification pressurization system, and it is provided with the pressure that different supercharging equipment classification improves compressed nitrogen, can meet onsite application requirement.Pressure such as making nitrogen reach 25MPa, can select 4 grades of booster pumps, and the outlet pressure of booster pump at different levels is preferably: one-level is 10MPa, and secondary is 18MPa, and three grades is 23MPa, and level Four is 25MPa.
Invention additionally provides and a kind ofly utilize above-mentioned removable nitrogen making and injection device to carry out the method for nitrogen making and injection, in the method, air enters nitrogen gas generation system and produces nitrogen after the compression of air compressor unit, and the nitrogen obtained enters nitrogen distribution system after pressurization system supercharging;
Nitrogen distribution system according to the parameter value of nitrogen after supercharging, wait to note nitrogen injection parameter value needed for nitrogen well, aperture that parameter value that nitrogen that distribution circuit detects exports controls electric control valve in distribution circuit, make each road nitrogen of output meet requirement to different well head note nitrogen simultaneously.
In the above-mentioned methods, preferably, before air enters air compressor unit, comprise first through the step of air filter filtration; And after leaving air compressor unit, comprise and be introduced into the step that gs-oil separator carries out Oil-gas Separation.
In the above-mentioned methods, preferably, the compressed air that obtains is separated successively by entering nitrogen gas generation system again after minimum pressure valve, air supply pipe and air feed ball valve through described gs-oil separator.
In the above-mentioned methods, preferably, the lubrication oil separated through described gs-oil separator can be deposited to the bottom of gs-oil separator, and under the effect of pressure reduction, the working chamber cycle returning air compressor unit after oil cooler cooling uses.
Packaged type nitrogen making and injection device provided by the invention and method thereof, can realize utilizing set of device to carry out note nitrogen to several mouthfuls of wells simultaneously, is particularly useful for the construction that nitrogen noted by several mouthfuls of adjacent wells simultaneously, and it is than more efficient during the existing vehicle-mounted nitrogen-making device of use.
Accompanying drawing explanation
Fig. 1 is the structure chart of packaged type nitrogen making and injection device;
Fig. 2 is the partial enlarged drawing of the distribution system in the device shown in Fig. 1.
Drawing reference numeral illustrates:
1 sledge car; 2 control systems; 3 air compressor units; 4 nitrogen gas generation systems; 5 nitrogen pressurization systems; 6 nitrogen distribution systems; 61 nitrogen inlet house stewards; 62 distribute control part; 63 nitrogen outlet distribution pipes; 64 electric control valves; 65 gauge assemblies.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present invention, object and beneficial effect, existing following detailed description is carried out to technical scheme of the present invention, but can not be interpreted as to of the present invention can the restriction of practical range.
Embodiment 1
Present embodiments provide a kind of removable nitrogen making and injection device (as shown in Figure 1), this removable nitrogen making and injection device comprises: sledge car 1, control system 2, air compressor unit 3, nitrogen gas generation system 4, nitrogen pressurization system 5 and nitrogen distribution system 6;
Air compressor unit 3 comprises level Four booster pump, air filter and gs-oil separator;
Nitrogen distribution system 6 comprises nitrogen inlet house steward 61, distributes control part 62, nitrogen outlet distribution pipe 63, electric control valve 64 and gauge assembly 65, distributes control part 62 and comprises parameters input end and single-chip microcomputer;
On described sledge car 1, air compressor unit 3 is communicated with nitrogen gas generation system 4, nitrogen gas generation system 4 is communicated with nitrogen pressurization system 5, and described nitrogen pressurization system 5 is communicated with the nitrogen inlet house steward 61 of nitrogen distribution system 6, and each part mentioned above is connected with control system 2 respectively;
In air compressor unit 3, air filter is communicated with level Four booster pump, and level Four booster pump is communicated with gs-oil separator;
In nitrogen distribution system 6 (as shown in Figure 2), nitrogen inlet house steward 61 is communicated with distribution control part 62, distribute control part 62 to be communicated with three nitrogen outlet distribution pipes 63, each nitrogen outlet distribution circuit is provided with electric control valve 64 and gauge assembly 65; Distribute control part 62 by parameters input end and single-chip microcomputer integrated.
Above-mentioned removable nitrogen making and injection device is used to carry out noting the process of nitrogen to three mouthfuls of wells simultaneously and be:
(1) air is after air filter filters, and enters air compressor unit inlet chamber, from head exhaust opening discharges after being compressed in screw channel, enter gs-oil separator and carry out Oil-gas Separation by admission valve; The few compressed air of oil content after Oil-gas Separation is supplied to nitrogen gas generation system by minimum pressure valve, air supply pipe and air feed ball valve according to this and uses; The lubrication oil separated then is deposited to the bottom of gs-oil separator, and under the effect of pressure reduction, the working chamber cycle returning compressor after oil cooler cooling uses;
(2) nitrogen gas generation system adopts film imported isolation technics to make the compressed air provided from air compressor unit gas supply line, is separated, produces nitrogen;
(3) be provided with the classification of level Four booster pump and improve compressed nitrogen pressure;
(4) parameter value of three mouthfuls of note nitrogen wells is inputted respectively to the distribution control part in nitrogen distribution system, then the parameter value calculation that the nitrogen that the nitrogen injection parameter value needed for the parameter value of nitrogen after supercharging, note nitrogen well, distribution circuit detect exports goes out the aperture needed for the electric control valve 64 in each distribution circuit, and the nitrogen that three distribution circuit are exported meets the requirement of corresponding note nitrogen well simultaneously.
Claims (9)
1. a removable nitrogen making and injection device, is characterized in that, this device comprises: air compressor unit, nitrogen gas generation system, nitrogen pressurization system, nitrogen distribution system, control system and sledge car;
Described sledge car is provided with described air compressor unit, nitrogen gas generation system, nitrogen pressurization system, nitrogen distribution system and control system; Described air compressor unit is communicated with described nitrogen gas generation system, and described nitrogen gas generation system is communicated with described nitrogen pressurization system, and described nitrogen pressurization system is communicated with described nitrogen distribution system; Described air compressor unit, nitrogen gas generation system, nitrogen pressurization system, nitrogen distribution system are connected with described control system;
Described nitrogen distribution system comprises nitrogen inlet house steward, nitrogen outlet distribution pipe, electric control valve, parameters input end, single-chip microcomputer and gauge assembly, described parameters input end and the integrated distribution control part of described single-chip microcomputer; Described nitrogen inlet house steward is communicated with described distribution control part, and described distribution control part is communicated with described nitrogen outlet distribution pipe, and described nitrogen outlet distribution pipe is provided with electric control valve and gauge assembly;
The quantity of described nitrogen outlet distribution pipe is two or more, for being arranged in parallel between each distribution pipe;
The instrument value of the parameter value that described distribution control part is inputted by calculating parameter input, the parameter value of nitrogen inlet house steward and gauge assembly controls the aperture of electric control valve, realizes distributing controlling.
2. device as claimed in claim 1, it is characterized in that, described gauge assembly comprises pressure meter, flowmeter and thermometer.
3. device as claimed in claim 1, is characterized in that, described nitrogen gas generation system adopts membrane separation technique nitrogen.
4. device as claimed in claim 1, it is characterized in that, the type of drive of described air compressor unit is diesel driven or electric drive.
5. device as claimed in claim 1, it is characterized in that, described nitrogen pressurization system is classification pressurization system.
6. utilize the removable nitrogen making and injection device described in claim 1-5 any one to carry out a method for nitrogen making and injection, the method comprises the following steps:
Air enters nitrogen gas generation system and produces nitrogen after the compression of air compressor unit, and nitrogen enters nitrogen distribution system after pressurization system supercharging;
Nitrogen distribution system according to the parameter value of nitrogen after supercharging, wait to note nitrogen injection parameter value needed for nitrogen well, aperture that parameter value that nitrogen that distribution circuit detects exports controls electric control valve in distribution circuit, make each road nitrogen of output meet requirement to different well head note nitrogen simultaneously.
7. method as claimed in claim 6, wherein, the method also comprises: before air enters air compressor unit, first through the step of air filter filtration; And, after leaving air compressor unit, be introduced into the step that gs-oil separator carries out Oil-gas Separation.
8. method as claimed in claim 7, wherein, is separated the compressed air that obtains successively by entering nitrogen gas generation system again after minimum pressure valve, air supply pipe and air feed ball valve through described gs-oil separator.
9. method as claimed in claim 8, wherein, the lubrication oil separated through described gs-oil separator is deposited to the bottom of gs-oil separator, and under the effect of pressure reduction, the working chamber cycle returning air compressor unit after oil cooler cooling uses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510382320.2A CN104975830A (en) | 2015-07-02 | 2015-07-02 | Device and method for movable nitrogen production and nitrogen injection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510382320.2A CN104975830A (en) | 2015-07-02 | 2015-07-02 | Device and method for movable nitrogen production and nitrogen injection |
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| CN201510382320.2A Pending CN104975830A (en) | 2015-07-02 | 2015-07-02 | Device and method for movable nitrogen production and nitrogen injection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692889A (en) * | 2018-07-04 | 2018-10-23 | 荆州市世纪派创石油机械检测有限公司 | A kind of mobile pneumatic sealing test system can be applied to Oil Field |
| CN116427906A (en) * | 2023-04-12 | 2023-07-14 | 北京科力达宏业科贸有限责任公司 | Metering device and oil well yield metering method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2477825Y (en) * | 2000-06-23 | 2002-02-20 | 于轩 | Mobile oil field nitrogen injecting appts. |
| CN201942518U (en) * | 2011-02-14 | 2011-08-24 | 山东恒业石油新技术应用有限公司 | Dedicated nitrogen-making vehicle for oil field |
| CN202000985U (en) * | 2010-12-27 | 2011-10-05 | 中国石油天然气股份有限公司 | Saturated steam regulate and control device |
| CN202864920U (en) * | 2012-09-06 | 2013-04-10 | 山东恒业石油新技术应用有限公司 | Novel special single-prying type high-pressure nitrogen-generating vehicle for oilfield |
| US8549878B2 (en) * | 2005-06-23 | 2013-10-08 | Air Water Inc. | Method of generating nitrogen and apparatus for use in the same |
| CN203612958U (en) * | 2013-09-24 | 2014-05-28 | 山东恒业石油新技术应用有限公司 | Vehicle-mounted mobile gas-driven membrane separation nitrogen production equipment |
| CN204804793U (en) * | 2015-07-02 | 2015-11-25 | 中国石油天然气股份有限公司 | Nitrogen device is annotated to portable system nitrogen |
-
2015
- 2015-07-02 CN CN201510382320.2A patent/CN104975830A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2477825Y (en) * | 2000-06-23 | 2002-02-20 | 于轩 | Mobile oil field nitrogen injecting appts. |
| US8549878B2 (en) * | 2005-06-23 | 2013-10-08 | Air Water Inc. | Method of generating nitrogen and apparatus for use in the same |
| CN202000985U (en) * | 2010-12-27 | 2011-10-05 | 中国石油天然气股份有限公司 | Saturated steam regulate and control device |
| CN201942518U (en) * | 2011-02-14 | 2011-08-24 | 山东恒业石油新技术应用有限公司 | Dedicated nitrogen-making vehicle for oil field |
| CN202864920U (en) * | 2012-09-06 | 2013-04-10 | 山东恒业石油新技术应用有限公司 | Novel special single-prying type high-pressure nitrogen-generating vehicle for oilfield |
| CN203612958U (en) * | 2013-09-24 | 2014-05-28 | 山东恒业石油新技术应用有限公司 | Vehicle-mounted mobile gas-driven membrane separation nitrogen production equipment |
| CN204804793U (en) * | 2015-07-02 | 2015-11-25 | 中国石油天然气股份有限公司 | Nitrogen device is annotated to portable system nitrogen |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692889A (en) * | 2018-07-04 | 2018-10-23 | 荆州市世纪派创石油机械检测有限公司 | A kind of mobile pneumatic sealing test system can be applied to Oil Field |
| CN116427906A (en) * | 2023-04-12 | 2023-07-14 | 北京科力达宏业科贸有限责任公司 | Metering device and oil well yield metering method |
| CN116427906B (en) * | 2023-04-12 | 2024-03-19 | 北京科力达宏业科贸有限责任公司 | Metering device and oil well yield metering method |
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