CN202000985U - Saturated steam regulate and control device - Google Patents
Saturated steam regulate and control device Download PDFInfo
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- CN202000985U CN202000985U CN2010206842299U CN201020684229U CN202000985U CN 202000985 U CN202000985 U CN 202000985U CN 2010206842299 U CN2010206842299 U CN 2010206842299U CN 201020684229 U CN201020684229 U CN 201020684229U CN 202000985 U CN202000985 U CN 202000985U
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Abstract
The utility model relates to a saturated steam regulate and control device, which comprises an iso-dryness distributor, a plurality of steam dryness flowmeters, a plurality of flow control valves, and a remote control unit, wherein steam is distributed to each branch pipeline with an equal dryness by the iso-dryness distributor, and the iso-dryness distributor is connected between a main pipeline and a plurality of branch pipelines; the steam dryness flowmeters are used for collecting the dryness flow signals of the branch pipelines and are respectively arranged on each branch pipeline, and the flow control valves are used for controlling the steam flow of each branch pipeline and are respectively arranged on each branch pipeline; and the remote control unit is used for converting the dryness flow signals collected by the dryness flowmeters into standardized numerical values and is respectively connected with the dryness flowmeters and the flow control valves. In the saturated steam regulate and control device, a plurality of wells can be simultaneously injected by one or a plurality of steam injection boilers with the same steam injection dryness at the same steam injection speed.
Description
Technical field
The invention belongs to technical field of petroleum extraction, distribute and the saturated vapour regulation device of flow regulating function by mass dryness fraction such as steam for particularly a kind of having of using in the exploitation via steam injection process.
Background technology
Along with the continuous development of oilfield horizontal well production technique, the two-tube steam injection technology of horizontal well is annotated the vapour means as effective horizontal well and has been entered the popularization stage.This be unable to do without and the supporting sundry item support of the two-tube steam injection technology of horizontal well, comprising thermal recovery ground steam control technique, adopt saturated vapor " ball " type distributor, with respect to the relatively poor T-shape distributor of vapour mass dryness fraction distribution effects, can realize when the compound flow velocity requirement of distributor volume, symmetrical configuration, the placement level just can accomplish that the phase distribution ratio is basic identical.Because the unstability of vapour phase, water in the steam flow process in the practical application, the result finds that in actual application the distribution of mass dryness fraction distributor mass dryness fractions such as this kind " ball " type does not reach the effect of design, still the deviation that exists bigger mass dryness fraction to distribute.In horizontal well two-tube notes vapour field trial and application process, there is not high, the unsafe problem of Artificial Control flow control valve of steam control automaticity.Based on this, be necessary the improvement of upgrading of present steam control system, adopt modern more advanced product and control technology to control, to adapt to development in science and technology needs from now on, make new step on the steam distribution controlling level.
Summary of the invention
The purpose of the present utility model provides a kind of saturated vapour regulation device, overcoming the steam regulation device that uses in the existing exploitation via steam injection process exists mass dryness fraction to distribute deviation bigger, need the artificial regulation and control that participate in, cause the not high technological deficiency of steam control automaticity, reach the mass dryness fraction of respectively annotating the vapour well and distribute production purpose equal, that steam flow is accurately controlled, steam parameter is monitored in real time.
For achieving the above object, the utility model is taked following design scheme:
A kind of saturated vapour regulation device comprises: with steam with equate mass dryness fraction be assigned to each take-off line etc. the mass dryness fraction distributor, be connected between Trunk Line and a plurality of take-off line; Gather a plurality of mass dryness fraction flow meters of the mass dryness fraction flow signal of take-off line, be separately positioned on every take-off line; Regulate a plurality of flow control valves of the steam flow of take-off line, be separately positioned on every take-off line; And the mass dryness fraction flow signal of mass dryness fraction flow meter collection is converted into the remote control unit of standardized value, be connected with a plurality of flow control valves with a plurality of mass dryness fraction flow meters respectively.
Mass dryness fraction distributors such as steam by cyclone, mixed-phase device and etc. the mass dryness fraction distributor chamber be linked in sequence and form; Cyclone makes steam produce rotation, and the water, the vapour phase that reach in the steam are tentatively mixed; Vapour phase and water in the abundant mixed vapour of cyclone reach the even mixed phase of steam; Etc. the mass dryness fraction distributor chamber steam is arrived affiliated each take-off line by the mass dryness fraction mean allocation.
Also comprise a plurality of pressure transmitters, be separately positioned on the steam inlet of Trunk Line and the outlet of each take-off line, be used for the steam pressure of the outlet of the steam inlet of Trunk Line of monitoring device and each take-off line.A plurality of pressure transmitters are connected with remote control unit, feed back the pressure data of each take-off line to remote control unit.
Connection is to adopt the skid structure to connect.
The mass dryness fraction flow meter is a single orifice plate noise pattern structure.
The saturated vapour regulation device that the utility model provides can guarantee that the notes vapour mass dryness fraction when one or more injection boiler is annotated many mouthfuls of wells at the same time is identical, steam injection rate is identical.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, does not constitute qualification of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of saturated vapour regulation device of the present utility model.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with embodiment and accompanying drawing, embodiment is described in further details to the utility model.At this, illustrative examples of the present utility model and explanation thereof are used to explain the utility model, but not as to qualification of the present utility model.
Present embodiment provides a kind of steam regulation device, this device is in the viscous crude field recovery process, exists boiler to annotate the needs of production of vapour and a kind of integrated skid-mounted device that collects steam distribution, the metering of steam multi-parameter and transmission of developing to 2-3 mouth well simultaneously.
As shown in Figure 1, this device comprises: etc. mass dryness fraction distributor 110, be connected between Trunk Line and a plurality of take-off line, be used to make by each take-off line reach consistent to the notes vapour mass dryness fraction of every mouthful of well; A plurality of mass dryness fraction flow meters 120 are separately positioned on every take-off line, are used to gather the signal of mass dryness fraction flow; A plurality of flow control valves 130 are separately positioned on every take-off line, are used to regulate the size that arrives the steam flow of each well by each take-off line; With remote control unit 140, be connected with flow control valve 130 with each a plurality of mass dryness fraction flow meter 120 respectively, be used for the mass dryness fraction flow signal that mass dryness fraction flow meter 120 is gathered is converted into standardized value, with mass dryness fraction, flow and temperature (the carrying heat) situation of monitoring steam in each take-off line, according to the mass dryness fraction data on flows and the preset value result relatively of each take-off line after the conversion, control flow control valve 130 carries out the adjusting of steam flow.Be specially, when flow during less than preset value, remote control unit 140 control flow control valves 130 are opened step by step; When flow during greater than preset value, remote control unit 140 control flow control valves 130 cut out step by step.
Wherein, mass dryness fraction distributor 110 such as steam by cyclone 111, mixed-phase device 112 and etc. mass dryness fraction distributor chamber 113 be linked in sequence and form.Steam is introduced into cyclone 111 after entering from the Trunk Line inlet, makes steam produce rotation, and the water, the vapour phase that reach in the steam are tentatively mixed.Then steam enters mixed-phase device 112, makes that vapour phase and the water in the steam mixes fully, reaches the even mixed phase of steam.Steam such as enters rapidly at mass dryness fraction distributor chamber 113 then, has just realized the mean allocation of mass dryness fraction here.Mass dryness fraction flow meter 120 adopts, and single orifice plate noise pattern simple in structure, dependable performance is constructed, and can realize that the online in real time of steam quality, flow is measured.That flow control valve 130 is regulated is stable, good linearity, the high easy operating of degree of changing into automatically.The skid structure of each parts employing activity connects in the whole device, and is easy for installation, simple to operate.
In addition, also adopt GPRS wireless public network data transmission technology that the monitoring result of remote control unit 140 is transferred to control centre and carry out real-time release.And pressure transmitter 150 is set, the steam pressure of the entrance and exit of monitoring device respectively in the outlet of the steam inlet of Trunk Line and each take-off line.Each pressure transmitter 150 is connected with remote control unit 140, and to the pressure data of each take-off line of remote control unit 140 feedback, when the pressure no to scale scope of take-off line, remote control unit 140 control flow control valves 130 are opened.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is a specific embodiment of the utility model; and be not used in and limit protection domain of the present utility model; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (6)
1. a saturated vapour regulation device is characterized in that, this saturated vapour regulation device comprises:
With steam with equate mass dryness fraction be assigned to described each take-off line etc. the mass dryness fraction distributor, be connected between Trunk Line and a plurality of take-off line;
Gather a plurality of mass dryness fraction flow meters of the mass dryness fraction flow signal of described take-off line, be separately positioned on every take-off line;
Regulate a plurality of flow control valves of the steam flow of described take-off line, be separately positioned on every take-off line; And
The mass dryness fraction flow signal of described mass dryness fraction flow meter collection is converted into the remote control unit of standardized value, is connected with described a plurality of flow control valves with described a plurality of mass dryness fraction flow meters respectively.
2. saturated vapour regulation device according to claim 1 is characterized in that: mass dryness fraction distributors such as described steam by cyclone, mixed-phase device and etc. the mass dryness fraction distributor chamber be linked in sequence and form;
Described cyclone makes steam produce rotation, and the water, the vapour phase that reach in the steam are tentatively mixed;
Vapour phase and water in the abundant mixed vapour of described cyclone reach the even mixed phase of steam;
Mass dryness fraction distributor chamber such as described with steam by the mass dryness fraction mean allocation to affiliated each take-off line.
3. saturated vapour regulation device according to claim 1 is characterized in that, also comprises:
A plurality of pressure transmitters of the steam pressure of the steam inlet of the Trunk Line of monitoring device and the outlet of each take-off line are separately positioned on the steam inlet of Trunk Line and the outlet of each take-off line.
4. saturated vapour regulation device according to claim 3 is characterized in that: described a plurality of pressure transmitters are connected with described remote control unit, feed back the pressure data of each take-off line to described remote control unit.
5. according to each described saturated vapour regulation device of claim 1-4, it is characterized in that: described connection is to adopt the skid structure to connect.
6. saturated vapour regulation device according to claim 5 is characterized in that: described mass dryness fraction flow meter is a single orifice plate noise pattern structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206842299U CN202000985U (en) | 2010-12-27 | 2010-12-27 | Saturated steam regulate and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206842299U CN202000985U (en) | 2010-12-27 | 2010-12-27 | Saturated steam regulate and control device |
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| Publication Number | Publication Date |
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| CN202000985U true CN202000985U (en) | 2011-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206842299U Expired - Lifetime CN202000985U (en) | 2010-12-27 | 2010-12-27 | Saturated steam regulate and control device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937240A (en) * | 2012-10-26 | 2013-02-20 | 西安东风机电有限公司 | Back pressure control method and application system for liquefied gas loading |
| CN104695922A (en) * | 2015-02-06 | 2015-06-10 | 江苏万兴石油装备有限公司 | Intelligent steam regulation real-time control method and device |
| CN104975830A (en) * | 2015-07-02 | 2015-10-14 | 中国石油天然气股份有限公司 | Device and method for movable nitrogen production and nitrogen injection |
| CN106437652A (en) * | 2016-08-26 | 2017-02-22 | 新疆华隆油田科技股份有限公司 | Distribution and measurement adjusting device for injected steam in heavy oil production and using method thereof |
-
2010
- 2010-12-27 CN CN2010206842299U patent/CN202000985U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937240A (en) * | 2012-10-26 | 2013-02-20 | 西安东风机电有限公司 | Back pressure control method and application system for liquefied gas loading |
| CN104695922A (en) * | 2015-02-06 | 2015-06-10 | 江苏万兴石油装备有限公司 | Intelligent steam regulation real-time control method and device |
| CN104975830A (en) * | 2015-07-02 | 2015-10-14 | 中国石油天然气股份有限公司 | Device and method for movable nitrogen production and nitrogen injection |
| CN106437652A (en) * | 2016-08-26 | 2017-02-22 | 新疆华隆油田科技股份有限公司 | Distribution and measurement adjusting device for injected steam in heavy oil production and using method thereof |
| CN106437652B (en) * | 2016-08-26 | 2019-03-08 | 新疆华隆油田科技股份有限公司 | Steam allocation metering regulating device and its application method are injected in viscous crude production |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20111005 |