CN205370533U - Online profile control device - Google Patents
Online profile control device Download PDFInfo
- Publication number
- CN205370533U CN205370533U CN201521133769.7U CN201521133769U CN205370533U CN 205370533 U CN205370533 U CN 205370533U CN 201521133769 U CN201521133769 U CN 201521133769U CN 205370533 U CN205370533 U CN 205370533U
- Authority
- CN
- China
- Prior art keywords
- tank body
- control valve
- output pipe
- injection
- drain
- 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.)
- Active
Links
Landscapes
- Pipeline Systems (AREA)
Abstract
The utility model provides an online profile control device. The utility model provides an online profile control device, include: supply liquid equipment, first jar of body, the second jar body, third jar to personally experience sth. Part of the body to and injection device, it feeds through with the input port that the first jar of body, the second jar body and third jar were personally experienced sth. Part of the body respectively to supply liquid equipment to pass through to import the pipeline, first jar of body delivery outlet feeds through through a delivery line and injection device, and the second jar body feeds through with the injection device through the 2nd delivery line, and the delivery outlet that the third jar was personally experienced sth. Part of the body is through third pipeline and injection device intercommunication. The online profile control device that this embodiment provided is through setting up the three jar of body to is connected three jar body input port and delivery outlet with supplying liquid equipment and injection device respectively, sets up the input that corresponding liquid was controlled to corresponding control valve on the input port of every jar body, thereby realize injecting into in succession in proper order of different liquid, improved the notes fluid power and done all can, and easy operation operates workman intensity of labour and obviously reduces.
Description
Technical field
This utility model relates to oil extraction in oil field technical field, particularly relates to online profile control device.
Background technology
At present, field of petroleum exploitation carries out profile control (driving) for the conventional chemical water shutoff mode of three low sandstone oil reservoirs, namely the fluid-channeling channel between selective water plugging technology closure oil-water well is carried out for three low sandstone oil reservoirs, thus increasing the success rate of the well and story selecting profile control and water plugging of three low sandstone oil reservoirs, improve the oil-water displacement efficiency of three low sandstone oil reservoirs.
It is currently used for the device of profile control and water plugging, online profile control device automaticity in injection process especially for plurality of liquids such as biliquid or three liquid is low, corollary apparatus is more, need when changing the liquid injected to suspend fluid injection, reconnect pipeline, complicated operation, have impact on fluid injection efficiency so that fluid injection poor effect.
Utility model content
This utility model provides a kind of online profile control device, can not realize uninterrupted fluid injection continuously between plurality of liquid solving existing profile control device, and corollary apparatus is many, the problem that automaticity is low.
This utility model provides a kind of online profile control device, including: liquid supply equipment, the first tank body, the second tank body, the 3rd tank body, and injection device；
Liquid supply equipment is connected with the input port of the first tank body, the second tank body and the 3rd tank body respectively by intake line；First tank body delivery outlet connects with injection device through the first output pipe, and the second tank body connects with injection device through the second output pipe, and the delivery outlet of the 3rd tank body connects with injection device through the 3rd pipeline；
The input port of the first tank body is provided with the first input control valve for controlling to enter the fluid flow of the first tank body；The input port that second tank body connects is provided with the second input control valve for controlling to enter the fluid flow of the second tank body；The input port of the 3rd tank body is provided with the 3rd input control valve for controlling to enter the fluid flow of the 3rd tank body.
Further, online profile control device described above, wherein, the first output pipe and the first tank body junction are provided with the first output control valve；Second output pipe and the second tank body junction are provided with the second output control valve；3rd output pipe and the 3rd tank body junction are provided with the 3rd output control valve.
Further, online profile control device described above, wherein, between the first output pipe, the second output pipe and the 3rd output pipe end and the input port of injection device through four-way connection tandem together；
First output pipe, the second output pipe and the 3rd output pipe and four-way connection junction are respectively arranged with injection control valve.
Further, online profile control device described above, also include the first drain arm, the second drain arm, the 3rd drain arm and drain supervisor；
First end of the first drain arm between the first output pipe and the first output control valve, the first end of the second drain arm between the second output pipe and the second output control valve, first end of the 3rd drain supervisor between the 3rd output pipe and the 3rd output control valve, the second end of the first drain arm, the second end of the second drain arm and the second end of the 3rd drain arm are commonly connected on drain supervisor；
First drain arm is provided with the first shunting valve, the second drain arm is provided with the second shunting valve；3rd drain arm is provided with the 3rd shunting valve.
Further, profile control device described above online, wherein, between the first drain arm and the first tank body, it is in charge of connection also by first, first is in charge of and is provided with the first sub-control valve；
Being in charge of connection also by second between second drain arm and the second tank body, second is in charge of and is provided with the second sub-control valve；
Being in charge of connection also by the 3rd between 3rd drain arm and the 3rd tank body, the 3rd is in charge of and is provided with the 3rd sub-control valve.
Further, online profile control device described above, wherein, drain supervisor connect with intake line, is provided with and draws flow control valve between drain supervisor and intake line.
Further, online profile control device described above, wherein, intake line is provided with the pump for being pumped by the liquid in liquid supply equipment.
Further, profile control device described above online, wherein, intake line includes an input supervisor and is connected to three inputs of input supervisor's end and is in charge of, the initiating terminal of input supervisor is connected with liquid supply equipment, and three inputs are in charge of and are respectively connecting to the first tank body, the second tank body and the 3rd tank body；
Pump is arranged on input supervisor.
Further, online profile control device described above, wherein, the delivery outlet of injection device is connected to for the operating pipeline to well head fluid injection.
Further, online profile control device described above, wherein, injection device also includes: for the power distribution equipment powered for injection device.
The online profile control device that this utility model provides, including: liquid supply equipment, the first tank body, the second tank body, the 3rd tank body, and injection device；Liquid supply equipment is connected with the input port of the first tank body, the second tank body and the 3rd tank body respectively by intake line；First tank body delivery outlet connects with injection device through the first output pipe, and the second tank body connects with injection device through the second output pipe, and the delivery outlet of the 3rd tank body connects with injection device through the 3rd pipeline；The input port of the first tank body is provided with the first input control valve for controlling to enter the fluid flow of the first tank body；The input port that two tank bodies connect is provided with the second input control valve for controlling to enter the fluid flow of the second tank body；The input port of the 3rd tank body is provided with the 3rd input control valve for controlling to enter the fluid flow of the 3rd tank body.The online profile control device that this utility model provides is by arranging three tank bodies, three tank body input ports are connected with liquid supply equipment and injection device respectively with delivery outlet, the input port of each tank body arranges the corresponding valve that controls and controls the input of respective liquid, thus realizing being continuously injected into successively of different liquids, improve fluid injection ability, and simple to operate, operator's labor intensity substantially reduces.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the online profile control device that Fig. 1 provides for this utility model embodiment one；
The structural representation of the online profile control device that Fig. 2 provides for this utility model embodiment two；
The structural representation of the online profile control device that Fig. 3 provides for this utility model embodiment three.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
Three low sandstone oil reservoirs have the feature of low pressure, hyposmosis, low mobility, and when producing, ubiquity feed flow is not enough, the problem that initial stage natural production capacity is low.Although Development Response of Oilfield can be improved by the technological means such as Advance Water Injection and fracturing reform, but, owing to the reservoir heterogeneity of three low sandstone oil reservoirs is serious, and in waterflooding extraction process, existence and artificially generated crack due to intrinsic fracture and permeability streak, making waterflooding development effect poor, oil well water breakthrough ratio is big, and oil-water displacement efficiency is low.Therefore, in order to improve the oil-water displacement efficiency of three low sandstone oil reservoirs, it is necessary to the fluid-channeling channel of closure water, expand floood conformance volume, alleviate reservoir contradiction.
Currently mainly inject liquid by the method for profile control from water injection well and carry out the operation of closure high permeability zone, to adjust the intake profile of water filling interval, reach closure high permeability zone, reduce the purpose producing water of oil well.
The method of Profile Control in Injection Well closure high permeability zone has single-fluid process and two-fluid process two kinds.Wherein, single-fluid process is directed to oil reservoir and injects a kind of liquid, and liquid relies on and self reacts after entering oil reservoir, and the material subsequently become can block high permeability zone, reduces permeability, it is achieved water blockoff.Conventional single-fluid process has lime cream, silica sol, chromium gel, sulphuric acid, water bag viscous crude etc.；Two-fluid process is directed in oil reservoir to inject the two kinds of liquid that can react separated by insulating liquid.When by both liquid to after being pushed into certain distance inside oil reservoir, insulating liquid can will not be thinned to buffer action, and two kinds of liquid just can react, and produce the material on closure stratum.Owing to permeable formation sucks more blocking agents, therefore closure occurs mainly in high permeability zone, reaches the purpose of profile control.The common blocking agent of two-fluid process mainly has sedimentation type, gel-type, gel-type, colloidal dispersions build blocking agent etc..
The online profile control device that the present embodiment provides can be used for two-fluid process profile control fluid injection, it is achieved the purpose to oilwell water shutoff, this device can be applicable to single-fluid process profile control too certainly.Below in conjunction with specific embodiment, plan content is specifically described in detail.
Embodiment one
The structural representation of the online profile control device that Fig. 1 provides for this utility model embodiment one, as it is shown in figure 1, the present embodiment provides a kind of online profile control device, including: liquid supply equipment the 1, first tank body the 2, second tank body the 3, the 3rd tank body 4, and injection device 5.
Concrete, liquid supply equipment 1 is connected with the input port of first tank body the 2, second tank body 3 and the 3rd tank body 4 respectively by intake line 7；First tank body 2 delivery outlet connects with injection device 5 through the first output pipe 21, and the second tank body 3 connects with injection device 5 through the second output pipe 31, and the delivery outlet of the 3rd tank body 4 connects with injection device 5 through the 3rd pipeline 41；
The input port of the first tank body 2 is provided with the first input control valve A1 for controlling to enter the fluid flow of the first tank body 2；The input port that two tank bodies 3 connect is provided with the second input control valve B1 for controlling to enter the fluid flow of the second tank body 3；The input port of the 3rd tank body 4 is provided with the 3rd input control valve C1 for controlling to enter the fluid flow of the 3rd tank body 4.
That is, liquid for profile control separately flows in corresponding tank body by intake line 7 in liquid supply equipment 1, three tank bodies are respectively used to the liquid that storage is different, such as the first tank body 2 can be used for storing the first working solution, second tank body 3 is used for storing insulating liquid, 3rd tank body 4 can be used for storing the second working solution, then is connected with injection device 5 by output pipe by the delivery outlet of each tank body, so that the liquid in tank body is injected in oil well 10 by injection device 5.
The fluid flow that corresponding input control valve can be used for controlling to enter tank body is set in the input port of each tank body, when needing to change the liquid injected, the input control valve of corresponding tank body can be opened, and other two input control valves are closed, so that this working solution enters in injection device 5.Such as, when needing to inject the first working solution in the first tank body 2, input control valve on second tank body 3 and the 3rd tank body 4 input port can be closed, and only the first input control valve A1 on the first tank body input port is opened, the first working solution is made to flow in the first tank body 2, flow in oil well 10 thereby through injection device 5, it is achieved fluid injection.The input control valve B1 of the second tank body 3 is had only to open when needing to inject insulating liquid, close input control valve A1 and the C1 on other tank bodies, so that operator have only to the control valve in opening/closing respective line, achieve that continuous fluid injection when different operating liquid is changed, reduce working strength, simple to operate, pipeline connects also relatively simple.
Further, intake line may be provided for the pump 6 pumped by the liquid in liquid supply equipment 1, so that the liquid in liquid supply equipment 1 can enter in corresponding tank body smoothly, between liquid supply equipment 1 and pump 6, be additionally provided with control valve D1 simultaneously.And optional, this pump 6 can be selected for skid ram type pump.
Optionally, above-mentioned liquid supply equipment 1 is specifically as follows water-tank lorry.
Further, between first output pipe the 21, second output pipe 31 and end and the input port of injection device 5 of the 3rd output pipe 41 through four-way connection tandem together.
Preferably, first output pipe the 21, second output pipe 31 and the 3rd output pipe 41 are respectively arranged with injection control valve with four-way connection junction, it is possible to realized the injection of different liquids by opening/closing corresponding injection control valve.
Further, it is connected to for the operating pipeline to well head fluid injection at the delivery outlet of injection device 5, in order to inject liquid in oil well 10.
Further, injection device 5 also includes: for the power distribution equipment 51 for injection device 5 power supply.This power distribution equipment 51 is specifically as follows transformation cabinet or electromotor.
Optionally, it is connected by high pressure line between injection device 5 with oil well 10, between injection device 5 and high pressure line, is provided with profile control pump, further the liquid in injection device 5 is carried out supercharging.
The online profile control device that the present embodiment provides, can be used for the online profile control of two-fluid process, by arranging three tank bodies, and three tank body input ports are connected with liquid supply equipment and injection device respectively with delivery outlet, the input port of each tank body arranging the corresponding valve that controls and controls the input of respective liquid, thus realizing being continuously injected into successively of different liquids, improve fluid injection ability, and simple to operate, operator's labor intensity substantially reduces.
Embodiment two
On the basis of above-described embodiment one, this utility model also provides for the online profile control device of a kind of further improvement, the structural representation of the online profile control device that Fig. 2 provides for this utility model embodiment two, as shown in Figure 2, on the basis of embodiment one, above-mentioned intake line also includes an input supervisor 71 and three inputs being connected to input supervisor's end are in charge of 72, the initiating terminal of input supervisor 71 is connected with liquid supply equipment 72, and three inputs are in charge of 72 and are respectively connecting to the first tank body the 2, second tank body 3 and the 3rd tank body 4.
Concrete, the input being connected with the first tank body 2 is in charge of 72 and is connected by the first input control valve A1 and the first tank body 2, the input being connected with the second tank body 3 is in charge of 72 and is connected by the second input control valve B1 and the second tank body 3, and the input being connected with the 3rd tank body 4 is in charge of 72 and is connected by the 3rd input control valve C1 and the three tank body 4.Meanwhile, above three input control valve also can disconnect and the connection of corresponding tank body, and connect outer comb line in the exit of input control valve, is drained into outside tank body by the liquid being in charge of 72 from input.
Further, above-mentioned pump 6 is arranged on input supervisor 71, is in charge of 72 for making the liquid on input supervisor 71 flow into input.
Further, the first output pipe 21 and the first tank body 2 junction are provided with the first output control valve A2；Second output pipe 31 and the second tank body 3 junction are provided with the second output control valve B2；3rd output pipe 41 and the 3rd tank body 4 junction are provided with the 3rd output control valve C2.
Such as when before the first normal fluid injection of tank body 2, first open control valve D1 and the first input control valve A1, and close other control valves, by pump 6 by the first working solution in liquid supply equipment 1 by input supervisor 71 and input be in charge of 72 and pump in the first tank body 2, when first working solution is pumped into set amount, closing control valve D1 and A1, open the first output control valve A2 and the injection control valve being connected with the first output pipe again, the first working solution in the first tank body 2 is made to flow to injection device 5 from the first output pipe 21 and four-way connection, hence into oil well 10, realize the purpose of profile control fluid injection.
Optionally, effusion meter 9 is set between four-way connection and injection device 5, with the injection rate of each liquid of accurate recording, it is simple to different operating liquid is realized circulation accurately and timely and injects.
Further, the delivery outlet of first tank body the 2, second tank body 3 and the 3rd tank body 4 has been also respectively connected with drain arm, i.e. the first drain arm 22, second drain arm 32 and the 3rd drain arm 42, three drain arms are connected on the input supervisor 71 between liquid supply equipment 1 and solution feed pump 6 by drain supervisor 8；
Further, the online profile control device that the present embodiment provides also includes: first drain arm the 22, second drain arm the 32, the 3rd drain arm 42 and drain supervisor 8；
Wherein, the first end of the first drain arm 22 is between the first output pipe 21 and the first output control valve A2；First end of the second drain arm 32 is between the second output pipe 31 and the second output control valve B2；First end of the 3rd drain supervisor 42 is between the 3rd output pipe 41 and the 3rd output control valve C2；And the second end of the first drain arm 22, the second end of the second drain arm 32 and the second end of the 3rd drain arm 42 are commonly connected on drain supervisor 8；
First drain arm 22 is provided with the first shunting valve A3, the second drain arm 32 is provided with the second shunting valve B3；3rd drain arm 42 is provided with the 3rd shunting valve C3.
Further, drain supervisor 8 connects with input supervisor 71, is provided with at least two and draws flow control valve between drain supervisor 8 and input supervisor, D2 and D3 in figure.
Can the cleaning function of the cleaning to different tank interior of the degree of realization and fluid injection pipeline by arranging multiple drain arm and drain supervisor 8, concrete, in the present embodiment, the normal injection process of tank body can be that following flow process is (to store the first working solution in the first tank body 2 in the present embodiment, storing insulating liquid in second tank body 3, storing the second working solution in the 3rd tank body 4 is example):
1) tank body fluid injection
Opening control valve D1 and A1, other control valve and are turned off, and start pump 6, are injected in the first tank body 2 by the first working solution by liquid supply equipment 1, when in the first tank body 2, the first working solution is injected into setting value, and closing control valve D1 and A1.
Open control valve D1 and B1 again, start pump 6, insulating liquid is injected in the second tank body 3 by liquid supply equipment 1, when in the second tank body 3, insulating liquid is injected into setting value, closing control valve D1 and B1.
Open control valve D1 and C1 again, start pump 6, the second working solution is injected in the 3rd tank body 4 by liquid supply equipment 1, when in the 3rd tank body 4, the second working solution is injected into setting value, closing control valve D1 and C1.
2) the first working solution is injected
Open the first output control valve A2 and the injection control valve being connected with the first output pipe, other control valve and are turned off, make the first working solution in the first tank body 2 flow to injection device 5 from the first output pipe 21 and four-way connection, then injected in oil well 10 by pressure duct by after profile control pump supercharging.When the first working solution injection rate of effusion meter 9 record reaches setting value, close the first output control valve A2, stop the injection of the first working solution.
3) insulating liquid is injected
After stopping injection the first working solution, open the second output control valve B2, the second shunting valve B3 and the first shunting valve A3, now, as in figure 2 it is shown, the route that flows through of insulating liquid is in the second tank body 3: second output pipe 31 → the second drain arm 32 → drain supervisor's 8 → the first drain arm 22 → the first output pipe 21 → four-ways → liquid-injection equipment 5 → oil well 10.
Thus, it may be achieved the first output pipe 21 when insulating liquid is to the first tank body 2 fluid injection is carried out, it is prevented that the first working solution is deposited in this section of pipeline, makes pipeline blockage.Same, when the insulating liquid injection rate of effusion meter 9 record reaches setting value, stop the injection of insulating liquid, and close the second output control valve B2, the second shunting valve B3, the first shunting valve A3 and the injection control valve being connected with the first output pipe.
4) the second working solution is injected
After stopping injection insulating liquid, open the 3rd output control valve C2 and the injection control valve being connected with the 3rd output pipe, make the second working solution in the 3rd tank body 4 flow to injection device 5 from the 3rd output pipe 41 and four-way connection, then injected in oil well 10 by pressure duct by after profile control pump supercharging.When the second working solution injection rate of effusion meter 9 record reaches setting value, stop the injection of the second working solution, and close the 3rd output control valve C2.
5) insulating liquid is injected
After stopping injection the second working solution, it is necessary to again inject insulating liquid in well, now need to open the second output control valve B2, the second shunting valve B3 and the three sub-control valve C3.Now, as in figure 2 it is shown, in the 3rd tank body 4 route that flows through of insulating liquid be: second output pipe 31 → the second drain arm 32 → drain supervisor the 8 → the 3rd drain arm the 42 → the 3rd output pipe 41 → four-way → liquid-injection equipment 5 → oil well 10.
Thus, it may be achieved the 3rd output pipe 41 when insulating liquid is to the 3rd tank body 4 fluid injection is carried out, it is prevented that the second working solution is deposited in this section of pipeline, makes pipeline blockage.When the insulating liquid injection rate of effusion meter 9 record reaches setting value, stop the injection of insulating liquid, and close the second output control valve B2, the second shunting valve B3, the 3rd sub-control valve C3 and the injection control valve being connected with the 3rd output pipe.
Repeat the above steps 2)～5) circulate successively and inject the first working solution, insulating liquid and the second working solution, until fluid injection terminates, it is achieved thereby that injection process has only to opening/closing corresponding control valve, achieve that being continuously injected into different liquids, when changing the liquid injected, profile control pump need not be stopped, ensure that the seriality in online profile control device injection process, improve work efficiency, add the safety of injection process, also make injection process operation more simple, reduce the working strength of operator.
Further, the online profile control device that the present embodiment provides can also realize the automatic cleaning to tank body, in order to tank body changes other liquid of Sheng, and do not affect normal injection process, concrete, below so that the first tank body 2 is carried out, the cleaning process of tank body is described as follows:
The port of export of the first input control valve A1 is connected in the first tank body 2, and equipped with cleanout fluid in liquid-injection equipment 1, cleanout fluid is generally clear water, first open control valve D1 and the first input control valve A1, and close other control valves, start pump 6, make cleanout fluid be in charge of 72 → the first input control valve A1 → the first tank bodies 2 by liquid supply equipment 1 → input supervisor's 71 → input, being injected by cleanout fluid after in the first tank body 2, it is stirred cleaning to the first tank body 2 by the agitator being arranged within the first tank body 2.
After cleaning, the port of export of the first input control valve A1 is connected with outer comb line, open the first output control valve A2, the first shunting valve A3 again and control valve D2, D3, cleanout fluid within first tank body 2 is flowed out in pipeline, particularly as follows: 72 → the first input control valve A1 → outer comb line is in charge of in tank body 2 → the first outlet tube 21 → the first drain Zhi Guanliu 22 → drain supervisor's 8 → input supervisor's 71 → input, so that the liquid of the first tank body 2 internal washing is expelled to outside.Skilled person will appreciate that, to the cleaning process of the second tank body 3 and the 3rd tank body 4 similarly, repeat no more herein.
The cleaning process of tank body is had no effect in other tank bodies liquid to the normal injection process in oil well 10, the cleaning of tank body and the normal fluid injection of other tank bodies can be carried out simultaneously, improve work efficiency, have only to opening/closing corresponding control valve can realize simultaneously, simple to operate, reduce the labor intensity of operator.
To store the first working solution in the first tank body 2 in the present embodiment, insulating liquid is stored in second tank body 3, storing the second working solution in 3rd tank body 4 is that example has carried out the explanation of injection process, but skilled person will appreciate that, the liquid each stored in above-mentioned first tank body the 2, second tank body 3 and the 3rd tank body 4 is not necessarily above-mentioned situation, such as, also can store insulating liquid or the second working solution in the first tank body 2, and in the second tank body, also can store the first working solution or the second working solution etc..
The online profile control device that the present embodiment provides, can be used for the online profile control of two-fluid process, by arranging drain arm and the mode of drain supervisor on the output pipe of each tank body, operator are made only to need opening/closing corresponding control valve, achieve that being continuously injected into of liquid in different tank bodies, ensure that the seriality in online profile control device injection process, when changing injection liquid, profile control pump need not be stopped, but also the cleaning to tank body can be realized, make injection process operation more simple, reduce the working strength of operator, improve work efficiency, add the safety of injection process.
Embodiment three
On the basis of above-mentioned two embodiment, this enforcement provides the online profile control device of a kind of further optimization, the structural representation of the online profile control device that Fig. 3 provides for this utility model embodiment three, as shown in Figure 3, on the basis of above-described embodiment two, the online profile control device that the present embodiment provides is concrete:
Being in charge of 23 also by first between first drain arm 22 with the first tank body 2 to connect, first is in charge of on 23 is provided with the first sub-control valve A4；
Being in charge of 33 also by second between second drain arm 32 with the second tank body 3 to connect, second is in charge of and is provided with the second sub-control valve B4；
Being in charge of 43 also by the 3rd between 3rd drain arm 42 and the 3rd tank body 4 to connect, the 3rd is in charge of and is provided with the 3rd sub-control valve C4.
It is in charge of 23, second and is in charge of 33 and the 3rd by arranging first and is in charge of 43, what can optimize liquid in injection process further flows through path, reduce and control valve operation amount and flow through the length of pipeline, concrete, in the present embodiment, the normal injection process of tank body can be described as following flow process (still to store the first working solution in the first tank body 2 in the present embodiment, storing insulating liquid in second tank body 3, storing the second working solution in the 3rd tank body 4 is example):
1) tank body fluid injection
Opening control valve D1 and A1, other control valve and are turned off, and start pump 6, are injected in the first tank body 2 by the first working solution by liquid supply equipment 1, when in the first tank body 2, the first working solution is injected into setting value, and closing control valve D1 and A1.
Open control valve D1 and B1 again, start pump 6, insulating liquid is injected in the second tank body 3 by liquid supply equipment 1, when in the second tank body 3, insulating liquid is injected into setting value, closing control valve D1 and B1.
Open control valve D1 and C1 again, start pump 6, the second working solution is injected in the 3rd tank body 4 by liquid supply equipment 1, when in the 3rd tank body 4, the second working solution is injected into setting value, closing control valve D1 and C1.
2) the first working solution is injected
Open the first output control valve A2 and the injection control valve being connected with the first output pipe, other control valve and are turned off, make the first working solution in the first tank body 2 flow to injection device 5 from the first output pipe 21 and four-way connection, then injected in oil well 10 by pressure duct by after profile control pump supercharging.When the first working solution injection rate of effusion meter 9 record reaches setting value, close the first output control valve A2, stop the injection of the first working solution.
3) insulating liquid is injected
After stopping injection the first working solution, open the second sub-control valve B4 and the first shunting valve A3 again, now, as it is shown on figure 3, the route that flows through of insulating liquid is in the second tank body 3: second is in charge of 33 → the second drain arm 32 → drain supervisor's 8 → the first drain arm 22 → the first output pipe 21 → four-ways → liquid-injection equipment 5 → oil wells 10.
When the insulating liquid injection rate of effusion meter 9 record reaches setting value, stop the injection of insulating liquid, and close the second sub-control valve B4 and the first shunting valve A3 and the injection control valve being connected with the first output pipe.
Thus, the first output pipe 21 when can realize insulating liquid to the first tank body 2 fluid injection is carried out, the first working solution is prevented to be deposited in this section of pipeline, make pipeline blockage, decrease the length of flow across of insulating liquid relative to embodiment two simultaneously, the opening and closing of the second shunting valve B3 need not be controlled, simplify operating process.
4) the second working solution is injected
After stopping injection insulating liquid, open the 3rd output control valve C2 and the injection control valve being connected with the 3rd output pipe, make the second working solution in the 3rd tank body 4 flow to injection device 5 from the 3rd output pipe 41 and four-way connection, then injected in oil well 10 by pressure duct by after profile control pump supercharging.When the second working solution injection rate of effusion meter 9 record reaches setting value, stop the injection of the second working solution, and close the 3rd output control valve C2.
5) insulating liquid is injected
After stopping injection the second working solution, it is necessary to again inject insulating liquid in well, now need to open the second sub-control valve B4 and the three sub-control valve C3.Now, as it is shown on figure 3, in the 3rd tank body 4 route that flows through of insulating liquid be: second be in charge of 33 → the second drain arm 32 → drains supervisor the 8 → the 3rd drain arm the 42 → the 3rd output pipe 41 → four-way → liquid-injection equipment 5 → oil wells 10.
When the insulating liquid injection rate of effusion meter 9 record reaches setting value, stop the injection of insulating liquid, and close the second sub-control valve B4, the 3rd sub-control valve C3 and the injection control valve being connected with the 3rd output pipe.
Thus, the 3rd output pipe 41 when can realize insulating liquid to the 3rd tank body 4 fluid injection is carried out, the second working solution is prevented to be deposited in this section of pipeline, make pipeline blockage, decrease the length of flow across of insulating liquid relative to embodiment two simultaneously, and the opening and closing of the second shunting valve B3 need not be controlled, simplify operating process.
Repeat the above steps 2)～5) circulate successively and inject the first working solution, insulating liquid and the second working solution, until fluid injection terminates, it is achieved thereby that injection process has only to opening/closing corresponding control valve, achieve that being continuously injected into different liquids, when changing the liquid injected, profile control pump need not be stopped, ensure that the seriality in online profile control device injection process, improve work efficiency, add the safety of injection process, also make injection process operation more simple, reduce the working strength of operator.
Further, the online profile control device that the present embodiment provides can also realize the automatic cleaning to tank body equally, in order to tank body changes other liquid of Sheng, and do not affect normal injection process, concrete, below still so that the first tank body 2 is carried out, the cleaning process of tank body is described as follows:
The port of export of the first input control valve A1 is connected in the first tank body 2, and equipped with cleanout fluid in liquid-injection equipment 1, cleanout fluid is generally clear water, first open control valve D1 and the first input control valve A1, and close other control valves, start pump 6, make cleanout fluid be in charge of 72 → the first input control valve A1 → the first tank bodies 2 by liquid supply equipment 1 → input supervisor's 71 → input, being injected by cleanout fluid after in the first tank body 2, it is stirred cleaning to the first tank body 2 by the agitator being arranged within the first tank body 2.
After cleaning, the port of export of the first input control valve A1 is connected with outer comb line, open the first sub-control valve A4 again and control valve D2, D3, cleanout fluid within first tank body 2 is flowed out in pipeline, particularly as follows: tank body 2 → the first is in charge of 23 → the first drain Zhi Guanliu 22 → drain supervisor's 8 → input supervisor's 71 → inputs is in charge of 72 → the first input control valve A1 → outer comb line, so that the liquid of the first tank body 2 internal washing is expelled to outside.Relative to embodiment two, the present embodiment decreases the length of pipe that flows through of cleanout fluid in the process cleaning the first tank body 2, and need not operate the opening and closing of the first shunting valve A3, simplifies operating process.
Skilled person will appreciate that, to the cleaning process of the second tank body 3 and the 3rd tank body 4 similarly, repeat no more herein.
The cleaning process of tank body is had no effect in other tank bodies liquid to the normal injection process in oil well 10, the cleaning of tank body and the normal fluid injection of other tank bodies can be carried out simultaneously, improve work efficiency, have only to opening/closing corresponding control valve can realize simultaneously, simple to operate, reduce the labor intensity of operator.
Further, above-mentioned each fluid injection pipeline, connecting line and control valve all should meet pipeline and seal and the requirement of fluid pressure in pipeline, to improve safety in injection process and fluid injection efficiency, it is prevented that liquid leaks.
The present embodiment connects by arranging to be in charge of between each tank body with drain arm, make to have only to opening/closing corresponding control valve, achieve that being continuously injected into different liquids, it is ensured that the seriality in online profile control device injection process, when changing injection liquid, profile control pump need not be stopped, improve work efficiency, and decrease liquid and flow through the length of pipeline, decrease the quantity controlling valve needing operation, make injection process operation more simple, reduce the working strength of operator.
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, it is not intended to limit；Although this utility model being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technical characteristic is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of this utility model.
Claims (10)
1. an online profile control device, it is characterised in that including: liquid supply equipment, the first tank body, the second tank body, the 3rd tank body, and injection device；
Described liquid supply equipment is connected with the input port of the first tank body, the second tank body and the 3rd tank body respectively by intake line；Described first tank body delivery outlet connects with described injection device through the first output pipe, and described second tank body connects with described injection device through the second output pipe, and the delivery outlet of described 3rd tank body connects with described injection device through the 3rd pipeline；
The input port of described first tank body is provided with the first input control valve for controlling to enter the fluid flow of described first tank body；The input port that described two tank bodies connect is provided with the second input control valve for controlling to enter the fluid flow of described second tank body；The input port of described 3rd tank body is provided with the 3rd input control valve for controlling to enter the fluid flow of the 3rd tank body.
2. online profile control device according to claim 1, it is characterised in that
Described first output pipe and described first tank body junction are provided with the first output control valve；Described second output pipe and described second tank body junction are provided with the second output control valve；Described 3rd output pipe and described 3rd tank body junction are provided with the 3rd output control valve.
3. online profile control device according to claim 2, it is characterised in that
Between described first output pipe, the second output pipe and the 3rd output pipe end and the input port of described injection device through four-way connection tandem together；
Described first output pipe, the second output pipe and the 3rd output pipe and described four-way connection junction are respectively arranged with injection control valve.
4. online profile control device according to claim 3, it is characterised in that also include: the first drain arm, the second drain arm, the 3rd drain arm and drain supervisor；
First end of described first drain arm between described first output pipe and described first output control valve, the first end of described second drain arm between described second output pipe and described second output control valve, first end of described 3rd drain supervisor between described 3rd output pipe and described 3rd output control valve, the second end of described first drain arm, the second end of described second drain arm and the second end of described 3rd drain arm are commonly connected on described drain supervisor；
Described first drain arm is provided with the first shunting valve, described second drain arm is provided with the second shunting valve；Described 3rd drain arm is provided with the 3rd shunting valve.
5. online profile control device according to claim 4, it is characterised in that
Being in charge of also by first between described first drain arm and described first tank body and connect, described first is in charge of and is provided with the first sub-control valve；
Being in charge of also by second between described second drain arm and described second tank body and connect, described second is in charge of and is provided with the second sub-control valve；
Being in charge of also by the 3rd between described 3rd drain arm and described 3rd tank body and connect, the described 3rd is in charge of and is provided with the 3rd sub-control valve.
6. online profile control device according to claim 5, it is characterised in that described drain supervisor connect with described intake line, is provided with between described drain supervisor and described intake line and draws flow control valve.
7. according to the arbitrary described online profile control device of claim 1-6, it is characterised in that
Described intake line is provided with the pump for being pumped by the liquid in described liquid supply equipment.
8. online profile control device according to claim 7, it is characterised in that
Described intake line include one input supervisor and be connected to described input supervisor end three inputs be in charge of, the initiating terminal of described input supervisor is connected with described liquid supply equipment, and described three inputs are in charge of and are respectively connecting to described first tank body, the second tank body and the 3rd tank body；
Described pump is arranged on described input supervisor.
9. according to the arbitrary described online profile control device of claim 1-6, it is characterised in that
The delivery outlet of described injection device is connected to for the operating pipeline to well head fluid injection.
10. according to the arbitrary described online profile control device of claim 1-6, it is characterised in that
Described injection device also includes: for the power distribution equipment powered for described injection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521133769.7U CN205370533U (en) | 2015-12-30 | 2015-12-30 | Online profile control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521133769.7U CN205370533U (en) | 2015-12-30 | 2015-12-30 | Online profile control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205370533U true CN205370533U (en) | 2016-07-06 |
Family
ID=56258168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521133769.7U Active CN205370533U (en) | 2015-12-30 | 2015-12-30 | Online profile control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205370533U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989588A (en) * | 2017-11-10 | 2018-05-04 | 东方宝麟科技发展(北京)有限公司 | Utilize each section of oil gas water section method and system of environment-friendly type tracer test horizontal well |
-
2015
- 2015-12-30 CN CN201521133769.7U patent/CN205370533U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989588A (en) * | 2017-11-10 | 2018-05-04 | 东方宝麟科技发展(北京)有限公司 | Utilize each section of oil gas water section method and system of environment-friendly type tracer test horizontal well |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104727792B (en) | A kind of reservoir water self adaptation deep entirety regulation device and construction method | |
| CN106640024B (en) | Closed sand mixing device and method | |
| CN104213890B (en) | A kind of coiled tubing fracturing technology | |
| CN101245699A (en) | On-line injection profile-control and flooding-control method and device | |
| CN204436361U (en) | A kind of underground coal mine Hydraulic fracturing pressure flow quantity intelligent adjusting device | |
| CN204457684U (en) | Pressurized gas lift water pumping gas production system concentrated by a kind of low pressure high yield water gas well | |
| CN105239986A (en) | Pump casting device of impulse sand fracturing intermediate displacement fluid and working method | |
| CN204476381U (en) | The overall regulation device in a kind of reservoir water self adaptation deep | |
| CN102423655A (en) | Large-flow fracturing fluid preparation system and method | |
| CN205370533U (en) | Online profile control device | |
| CN104963674A (en) | Low permeability coal bed liquid nitrogen freeze thawing cracking permeability increasing method | |
| CN201738861U (en) | Freezing and temporary blocking device | |
| CN109973060B (en) | Device and method for improving oil field recovery ratio | |
| CN210483679U (en) | Oil well induced flow system | |
| CN205778774U (en) | Completion tubular column | |
| CN210317259U (en) | Gas lift device suitable for gas well full life cycle drainage gas production | |
| CN203808956U (en) | Profile control device and system | |
| CN103225496A (en) | Profile control method for immobile string of injection well | |
| CN110273702A (en) | A kind of coal seam substep water filling precisely controlling system and water-filling method | |
| CN204266988U (en) | A kind of pilot-controlled switch sliding sleeve | |
| CN105401929A (en) | Even acid distribution method for acidification of heterogeneous storage layer | |
| CN203230398U (en) | Device for achieving multiple-well synchronous injection by means of water injection well modified injectant flooding | |
| RU138853U1 (en) | DISTRIBUTION AND DOSING SYSTEM FOR HYDRATE FORMATION INHIBITOR | |
| CN208594921U (en) | Oil well production | |
| CN204716201U (en) | A kind of pilot-controlled switch sliding sleeve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |