CN203626752U - Self-pressure remote control type condensate oil closed recovery process device - Google Patents
Self-pressure remote control type condensate oil closed recovery process device Download PDFInfo
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- CN203626752U CN203626752U CN201320703857.0U CN201320703857U CN203626752U CN 203626752 U CN203626752 U CN 203626752U CN 201320703857 U CN201320703857 U CN 201320703857U CN 203626752 U CN203626752 U CN 203626752U
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Abstract
An autogenous pressure remote control type condensate oil closed recovery process device belongs to the technical field of oilfield associated gas recovery and discharge processes. The pressure gauge interface is connected to the casing top, and relief valve interface, gas outlet are connected respectively to the casing upper end, and the casing inner chamber is connected with the thin filter screen, and the catheter is connected to the bottom of thin filter screen, and the bottom of catheter is the liquid outlet, and the air inlet is connected to the casing lower extreme, and the casing inner chamber sub-unit connection coarse filtration net, aqueous vapor baffle, the sub-unit connection of thin filter screen has the filter core. The utility model discloses retrieve the condensate with totally enclosed form in this process flow, it is intraductal to adopt vapour and liquid separator self pressure condensate oil return well cover, uses vapour and liquid separator to replace former pressure cylinder, has realized the high-efficient separation of gas-liquid, has solved the easy phenomenon that takes place the condensate jam of gas outlet pipeline. The safety risk of causing the condensate to flash (explode) is avoided.
Description
Technical field
The utility model relates to a kind of self-pressure remote controlled type condensate hermetic reclaim process unit, belongs to associated gas recovery, discharge technology technical field.
Background technology
Along with the continuous growth of oil and natural gas consumption demand, China's oil and gas extraction amount also constantly rise.Oil well, in process of production often with associated gas output, in the recycling or discharge combustion process of associated gas, has a large amount of heavy hydrocarbons and separates out, and is called condensate.Its main component is C
5to C
8the mixture of hydro carbons, volatility is good, inflammable, explosive.
At present, in field produces, the well group of associated gas abundance generally adopts associated gas to heat, and using pressure cylinder in associated gas process to produce a small amount of condensate, takes pressure cylinder to separate and outer mode processing of arranging, and which exists following problem:
1. directly discharge is open take-back model, post workman can directly touch condensate, because condensate volatility is good, easily assemble at low-lying place, employee may adhere to a large amount of condensate particles on clothing in the time of the operation of low-lying place, and condensate burning-point is lower, after employee comes up, easily there is flash burn accident and cause casualties.
2. use gas in well site is from pressure cylinder outlet access, and when pressure cylinder does not reach separation object, condensate clogging easily occurs outlet gas line.When having stopped up after heating furnace gas supply line, chew intermittent gas supply because of fire and can cause condensate flash burn (quick-fried) accident, exist larger security risk.
3. there is certain danger in burning de-plugging.
The problem existing while recovery for on-the-spot condensate, actual in conjunction with producing, utilize gas-liquid separator to replace former pressure cylinder, and increase remote controlled electromagnetic valve, change recovery process, can effectively avoid post employee to contact with the direct of condensate, farthest reduce the potential safety hazard of condensate removal process, minimizing accident occurs.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of self-pressure remote controlled type condensate hermetic reclaim process unit.
A kind of self-pressure remote controlled type condensate hermetic reclaim process unit, 1# oil well, 2# oil well, 3# oil well connects respectively the 8th gate, the 7th gate, the 6th gate, the 8th gate, the 7th gate, the other end of the 6th gate is connected with the first gate after connecting, gas-liquid separator connection safety valve, the second gate, the 3rd gate, the first gate and pressure meter, the 5th gate connects spark arrester, the other end of the 3rd gate connects the other end of the 6th gate, the other end of the 4th gate, one end of the 4th gate connects the other end of the 5th gate, 1# oil well, 2# oil well connects respectively oil well pressure table, 3# oil well connects oil well pressure table,
The housing top Bonding pressure table interface of gas-liquid separator, housing upper end is connection safety valve interface, gas outlet respectively, housing inner chamber is connected with thin screen pack, the bottom of thin screen pack connects catheter, the bottom of catheter is liquid outlet, housing lower end connects air inlet port, and housing inner chamber bottom connects coarse filtration net, aqueous vapor dividing plate, and the bottom of thin screen pack is connected with filter core.
DH-V-G closed type non-return electromagnetic valve for the 3rd gate; The first gate, the second gate, the 4th gate, the 5th gate are stop valve J41H-16C.
A kind of self-pressure remote controlled type condensate hermetic reclaim process unit, utilize gas-liquid separator replace former pressure cylinder, increase Long-distance Control electromagnetic valve, rely on self-pressure by condensate re-injection to sleeve pipe, realize the potential safety hazard, the minimizing accident that reduce in removal process and occur, meet the needs of field condensate processing procedure.
A kind of self-pressure remote controlled type condensate hermetic reclaim process, contains following steps; Use well head gravity flow gas-liquid separator to carry out gas-liquid separation to associated gas, the associated gas producing from well casing enters separator through air inlet port, gas is to gas outlet after filter screen, and the liquid adsorption of generation is in screen surface and converge in lower floor's funnel formation condensate; When reclaiming condensate during to sleeve pipe, close respective valves, by the casing pressure emptying of individual well, then Open valve, in use device, condensate is pressed into sleeve pipe by self overbottom pressure, realizes hermetic reclaim.
Effect of the present utility model:
The problem that this condensate recovery process device exists for open take-back model technique solves, in this technological process, reclaim condensate with complete totally enclosed form, take in gas-liquid separator self pressure self-pressure condensate oil return casing, the advantage of formation has:
1. this technique is closed take-back model, and post workman can not contact condensate, has avoided in former flow process because employee's clothing adheres to the problem that condensate particle generation flash burn accident causes casualties.
2. in this technique, use gas-liquid separator to replace former pressure cylinder, realized gas liquid high-efficiency separation, solved outlet gas line the phenomenon that condensate stops up easily occurs.Avoid the security risk of initiation condensate flash burn (quick-fried).
3. avoid the explosion accident causing because of burning de-plugging in former technique, met the requirement of on-the-spot condensate processing.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by the detailed description with reference to below, can more completely understand better the utility model and easily learn wherein many advantages of following, but accompanying drawing described herein is used to provide further understanding of the present utility model, form a part of the present utility model, schematic description and description of the present utility model is used for explaining the utility model, do not form improper restriction of the present utility model, as schemed wherein:
Gas flow schematic diagram when Fig. 1 emptying flow process of the present utility model;
Fig. 2 oil well casing pressure pressure release of the present utility model gas flow schematic diagram;
Fig. 3 condensate of the present utility model reclaims and flows to schematic diagram;
Fig. 4 structure of gas liquid separator sketch of the present utility model;
Below in conjunction with drawings and Examples, the utility model is further illustrated.
The specific embodiment
Obviously the many modifications and variations that, those skilled in the art do based on aim of the present utility model belong to protection domain of the present utility model.
Embodiment 1: as Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, a kind of self-pressure remote controlled type condensate hermetic reclaim process unit, 1 # oil well 20, 2# oil well 21, 3# oil well 22 connects respectively the 8th gate 23, the 7th gate 24, the 6th gate 25, the 8th gate 23, the 7th gate 24, the other end of the 6th gate 25 is connected with the first gate 27 after connecting, gas-liquid separator 28 connection safety valves 31, the second gate 32, the 3rd gate 29, the first gate 27 and pressure meter 33, the 5th gate 33 connects spark arrester 34, the other end of the 3rd gate 29 connects the other end of the 6th gate 25, the other end of the 4th gate 30, one end of the 4th gate 30 connects the other end of the 5th gate 33,
1# oil well 20,2# oil well 21 connect respectively oil well pressure table, and 3# oil well 22 connects oil well pressure table 26; The 3rd gate 29 use DH-V-G closed type non-return electromagnetic valves; The first gate 27, the second gate 32, the 4th gate 30, the 5th gate 33 are stop valve J41H-16C;
The housing top Bonding pressure table interface 10 of gas-liquid separator 28, housing upper end is connection safety valve interface 1, gas outlet 9 respectively, housing inner chamber is connected with thin screen pack 8, the bottom of thin screen pack 8 connects catheter 2, the bottom of catheter 2 is liquid outlet 4, housing lower end connects air inlet port 3, and housing inner chamber bottom connects coarse filtration net 6, aqueous vapor dividing plate 5, and the bottom of thin screen pack 8 is connected with filter core 7.
Embodiment 2: as shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of self-pressure remote controlled type condensate hermetic reclaim process, contains following steps;
Step 1, the normal emptying flow process of associated gas:
The associated gas that the 1# oil well 20 of oil well, 2# oil well 21,3# oil well 22 produce converges and enters the first gate 27 after the 6th gate 25, the 7th gate 24, the 8th gate 23, the other end connection of the first gate 27 enters gas-liquid separator 28, on the interior gas of gas-liquid separator 28, pass through after the effect of coarse strainer, multilayer funnel and barrier ring, gas is led to and is released flare by the second gate 32, the 5th gate 33 after thin screen pack, closes the 3rd gate 29, the 4th gate 30 during emptying; The liquid part of gas-liquid separator 28 interior generations converges to lower floor, completes whole separation process;
Well mouth of oil well associated gas, by the 6th gate 25, the 7th gate 24, the 8th gate 23, is received well site the first gate 27 to gas-liquid separator 28 inlet line, the associated gas torch emptying of directly reducing internal heat after gas-liquid separator 28 in normal use process; In the time reclaiming condensate, close gas-liquid separator 28 and import and export the first gate 27, the second gate 32, close and be communicated with the 7th gate 24, open and be communicated with the 4th gate 30, the 5th gate 33,3# oil well 22 is overlapped to overpressure emptying to 0MPa;
Step 3, condensate recovery process:
After 3# oil well 22 casing pressures discharge, close the 4th gate 30 of connection, open gas-liquid separator 28 emptying the 3rd gate 29, utilize gas-liquid separator 28 internal pressures that condensate is headed in oil well casing, treat to close emptying the 3rd gate 29 after condensate discharge, open the first gate 27, the second gate 32 that gas-liquid separator 28 is imported and exported, and recover the normal emptying flow process of associated gas;
Gas-liquid separator 28 Main Functions that adopt are the liquid separating in associated gas, and when condensate " self-pressure recovery ", tank body plays " building the pressure " effect, and condensate can be pushed back in oil well casing smoothly; The gate of opening when the 3rd gate 29 is condensate " self-pressure recovery ", for reducing potential safety hazard, prevents artificial contact, selects DH-V-G closed type non-return electromagnetic valve Long-distance Control to open, close; The first gate 27, the second gate 32, the 4th gate 30, the 5th gate 33 are stop valve J41H-16C, and gas-liquid separator 28 connection safety valves 31 and pressure meter 33, the five gates 33 connect spark arrester 34.
A kind of self-pressure remote controlled type condensate hermetic reclaim process, gas-liquid separator can be arranged on the concrete foundation of well group 20m, and in concrete foundation, plane should be higher than well head, when condensate is flowed out from liquid outlet, with the well head formation gradient, is beneficial to self-pressure backflow.Put gas-liquid separator direction according to associated gas interface position, reserve the installation site of the parts such as gas well gas pipeline, fluid pipeline, the pipeline of giving vent to anger, electromagnetic valve, gate when placement, the pipeline of giving vent to anger moves towards to install and is connected with blow-down pipe.Concrete platform is slightly larger than the length and width size of device, should be more than projecting terrace 200mm, to avoid rainwater do not have basis and be convenient to remove accumulated snow winter.Device is lifted in cemented platform, and basic with dull and stereotyped level gauge smoothing.After the installation of gas-liquid separation pipeline, electromagnetic valve cable connects has checked and accepted connection by safety supervision department, starts the debugging of equipment.
First open after each individual well casing gas valve makes associated gas by gas-liquid separator and lead to torch mouth, normal ignition is carried out normal associated gas emptying flow process; In the time reclaiming condensate, close gas-liquid separator and import and export gate valve, close the gate that gas-liquid separator is communicated with torch mouth, open oil well and be communicated with the gate on torch mouth circuit, make in the well group of place the straight-through torch drain of associated gas in a bite oil well (casing pressure is lower) institute generation sleeve pipe wherein, until emptying is to 0MPa; After oil well casing pressure discharges, close oil well and be communicated with the gate on torch mouth circuit, open gas-liquid separator electromagnetic valve, utilize gas-liquid separator internal pressure that condensate is headed in oil well casing, treat shut electromagnetic valve after condensate discharge, open gas-liquid separator and import and export gate valve, and recover the normal emptying flow process of associated gas.
In addition the utility model is also provided with execute-in-place control platform, to control the open and close of electromagnetic valve.
As mentioned above, embodiment of the present utility model is explained, but as long as not departing from fact inventive point of the present utility model and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, within such variation is also all included in protection domain of the present utility model.
Claims (2)
1. a self-pressure remote controlled type condensate hermetic reclaim process unit, it is characterized in that 1# oil well, 2# oil well, 3# oil well connects respectively the 8th gate, the 7th gate, the 6th gate, the 8th gate, the 7th gate, the other end of the 6th gate is connected with the first gate after connecting, gas-liquid separator connection safety valve, the second gate, the 3rd gate, the first gate and pressure meter, the 5th gate connects spark arrester, the other end of the 3rd gate connects the other end of the 6th gate, the other end of the 4th gate, one end of the 4th gate connects the other end of the 5th gate, 1# oil well, 2# oil well connects respectively oil well pressure table, 3# oil well connects oil well pressure table, the housing top Bonding pressure table interface of gas-liquid separator, housing upper end is connection safety valve interface, gas outlet respectively, housing inner chamber is connected with thin screen pack, the bottom of thin screen pack connects catheter, the bottom of catheter is liquid outlet, housing lower end connects air inlet port, and housing inner chamber bottom connects coarse filtration net, aqueous vapor dividing plate, and the bottom of thin screen pack is connected with filter core.
2. a kind of self-pressure remote controlled type condensate hermetic reclaim process unit according to claim 1, is characterized in that the 3rd gate DH-V-G closed type non-return electromagnetic valve; The first gate, the second gate, the 4th gate, the 5th gate are stop valve J41H-16C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320703857.0U CN203626752U (en) | 2013-11-08 | 2013-11-08 | Self-pressure remote control type condensate oil closed recovery process device |
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|---|---|---|---|
| CN201320703857.0U CN203626752U (en) | 2013-11-08 | 2013-11-08 | Self-pressure remote control type condensate oil closed recovery process device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632137A (en) * | 2013-11-08 | 2015-05-20 | 中国石油天然气股份有限公司 | Self-pressure remote control type condensate oil closed recovery process method and device |
| CN110593845A (en) * | 2019-08-20 | 2019-12-20 | 中国石油天然气股份有限公司 | Automatic recovery system of associated gas condensate of oil production well |
-
2013
- 2013-11-08 CN CN201320703857.0U patent/CN203626752U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632137A (en) * | 2013-11-08 | 2015-05-20 | 中国石油天然气股份有限公司 | Self-pressure remote control type condensate oil closed recovery process method and device |
| CN110593845A (en) * | 2019-08-20 | 2019-12-20 | 中国石油天然气股份有限公司 | Automatic recovery system of associated gas condensate of oil production well |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20211108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |