CN208330317U - CO (carbon monoxide)2High gas-oil ratio multi-well wellhead remote automatic control injection device for driving and producing well - Google Patents

CO (carbon monoxide)2High gas-oil ratio multi-well wellhead remote automatic control injection device for driving and producing well Download PDF

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Publication number
CN208330317U
CN208330317U CN201820584883.9U CN201820584883U CN208330317U CN 208330317 U CN208330317 U CN 208330317U CN 201820584883 U CN201820584883 U CN 201820584883U CN 208330317 U CN208330317 U CN 208330317U
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China
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well
valve
diaphragm pump
hydraulic diaphragm
oil ratio
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CN201820584883.9U
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Inventor
田殿龙
李永长
于洋
黄天虎
樊晨
程世东
李明江
范希良
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Petrochina Co Ltd
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Petrochina Co Ltd
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Abstract

The utility model provides a CO2The remote automatic control injection device for the high gas-oil ratio multi-well wellhead of the driving and producing well comprises a prying seat, wherein a shell is arranged on the prying seat, an explosion-proof control cabinet, a medicine tank, a hydraulic diaphragm pump, a liquid separation manifold and a plurality of injection pipelines are arranged in the shell, the explosion-proof control cabinet is electrically connected with a remote control unit, the liquid separation manifold is communicated with the plurality of injection pipelines arranged in parallel, and each injection pipeline is provided with a high-pressure electromagnetic ball valve; the hydraulic diaphragm pump and the pressure transmitter are electrically connected with the explosion-proof control cabinet, and the explosion-proof control cabinet is electrically connected with the high-pressure electromagnetic ball valve to send a signal to control the start and stop of the corresponding high-pressure electromagnetic ball valve according to an instruction of the remote control unit. The explosion-proof control cabinet is adopted to control the high-pressure electromagnetic ball valves to be opened in sequence and automatically at intervals, and meanwhile, the hydraulic diaphragm pump provides a stable high-output pressure power source, so that the requirement of CO is met2The requirement of adding chemicals to the high gas-oil ratio well mouth of the driving and producing well realizes that one machine has multiple wellsThe interval polling automatically adds medicine.

Description

A kind of CO2The more well well head remote automatic control injecting devices of drive produced well high gas-oil ratio (HGOR)
Technical field
The utility model belongs to oil recovery technique field, and in particular to a kind of CO2The more well well heads of drive produced well high gas-oil ratio (HGOR) are remote Journey automatic control injecting device.
Background technique
CO2In oil displacement process, with the extension of time, having CO in extraction well2Output causes its gas and oil relatively high, in well CO2Content is higher, easily causes the fouling and corrosion of casing, pump and rod string, influences the normal production of oil well, needs to use Corresponding chemicals dosing plant injects corrosion inhibiter and antisludging agent to it to prevent the generation of problems.
Existing chemicals dosing plant can only single machine to individual well dosing, encountering sleet sky road conditions difference, can not to go up well, well head set gas big Casing pressure is high and lacks corresponding anti-freezing and heat-insulating design, is not able to satisfy high gas-oil ratio (HGOR) dosing demand.
Utility model content
The purpose of the utility model is to overcome above-mentioned technical problems of the existing technology, provide a kind of CO2Drive produced well The more well well head remote automatic control injecting devices of high gas-oil ratio (HGOR).
The technical scheme that the utility model is provided is as follows:
A kind of CO2The more well well head remote automatic control injecting devices of drive produced well high gas-oil ratio (HGOR), including skid are set in the skid There is shell, explosion proof control case, medicinal cupping, hydraulic diaphragm pump, liquid separation header and a plurality of injection pipeline are equipped in the shell, it is described anti- Quick-fried control cabinet is electrically connected with remote control unit, and the medicinal cupping, hydraulic diaphragm pump and liquid separation header are sequentially connected by pipeline, institute It states liquid separation header and is connected to multiple injection pipelines being set side by side, every injection pipeline is equipped with high-voltage electromagnetic ball valve, described in connection It is successively arranged ball valve and filter on the pipeline of medicinal cupping and hydraulic diaphragm pump, connects the pipe of the hydraulic diaphragm pump and liquid separation header Pressure gauge, check valve, needle-valve and pressure transmitter are successively arranged on line;
The hydraulic diaphragm pump, pressure transmitter are electrically connected with explosion proof control case, the explosion proof control case and high-voltage electricity The electrical connection of magnetic ball valve sends the start and stop that signal controls corresponding high-voltage electromagnetic ball valve with the instruction according to remote control unit.
It further include the return flow solenoid valve being set in the housing, the return flow solenoid valve import and hydraulic diaphragm pump outlet, Outlet is connected to medicinal cupping, the return flow solenoid valve and explosion proof control case electrical connection, the reflux electromagnetism of the explosion proof control case setting The valve start-stop time is respectively before and after the starting of both hydraulic diaphragm pump and high-voltage electromagnetic ball valve.
It further include the safety valve being set in the housing, the safety valve import and hydraulic diaphragm pump outlet, outlet and medicine Tank connection.
It is unidirectional that the injection pipeline along fluid flow direction is successively arranged terminal card set needle-valve, high-voltage electromagnetic ball valve, cutting ferrule Valve, cutting ferrule needle-valve, fixed ferrule fitting.
It further include the electric-heating belt between injection pipeline and well head on pipeline, the shell is insulation board, the shell It is equipped with Temperature controlled heater in vivo, the Temperature controlled heater, electric-heating belt pass through cable and be electrically connected with explosion proof control case.
The controller of the explosion proof control case is PLC.
The beneficial effects of the utility model are:
It is successively automatically turned on using explosion proof control case control high-voltage electromagnetic ball valve interval, while hydraulic diaphragm pump provides stabilization High output pressure power source, to meet CO2It is small to realize the more wells of a machine for the demand of drive produced well high gas-oil ratio (HGOR) well head medicine-adding It is spaced taking turn Automatic Dosing.
Explosion proof control case preferentially opens return flow solenoid valve, prevents starting pressure is excessive from damaging to hydraulic diaphragm pump;It adopts When ensuring that superpressure or frozen block occurs in well head with safety valve and pressure transmitter, the safety of whole device, Temperature controlled heater, electric companion The torrid zone realizes reliability service of the device in winter under low temperature, and skid-mounted type is easy to lift and transports.
It is described in further details below in conjunction with attached drawing.
Detailed description of the invention
Fig. 1 is the front view of the utility model;
Fig. 2 is the rearview of the utility model;
Fig. 3 is the side view of the utility model;
Fig. 4 is the top view of the utility model;
Fig. 5 is the flow diagram of the utility model;
Fig. 6 is the utility model and well head connection schematic diagram.
In figure: 1, shell;2, blender;3, pressure gauge;4, safety valve;5, collector tube;6, check valve;7, needle-valve;8, prevent Quick-fried control cabinet;9, medicinal cupping;10, Temperature controlled heater;11, ball valve;12, filter;13, return flow solenoid valve;14, hydraulic diaphragm pump; 15, bracket is pumped;16, liquid separation header bracket;17, fixed ferrule fitting;18, liquid separation header inlet tube;19, cutting ferrule needle-valve;20, block Cover check valve;21, high-voltage electromagnetic ball valve;22, terminal card covers needle-valve;23, liquid separation header;24, pressure transmitter;25, pulsation resistance Buddhist nun's device.
Specific embodiment
Embodiment 1:
Present embodiments provide a kind of CO2The more well well head remote automatic control injecting devices of drive produced well high gas-oil ratio (HGOR), including sled Seat, the skid are equipped with shell 1, are equipped with explosion proof control case 8, medicinal cupping 9, hydraulic diaphragm pump 14, liquid separation header in the shell 1 23 and a plurality of injection pipeline, the explosion proof control case 8 be electrically connected with remote control unit, the medicinal cupping 9,14 and of hydraulic diaphragm pump Liquid separation header 23 is sequentially connected by pipeline, and the liquid separation header 23 is connected to multiple injection pipelines being set side by side, every injection Pipeline is equipped with high-voltage electromagnetic ball valve 21, connects and is successively arranged 11 He of ball valve on the pipeline of the medicinal cupping 9 and hydraulic diaphragm pump 14 Filter 12 connects and is successively arranged pressure gauge 3, check valve 6, needle-valve on the pipeline of the hydraulic diaphragm pump 14 and liquid separation header 23 7 and pressure transmitter 24;
The hydraulic diaphragm pump 14, pressure transmitter 24 are electrically connected with explosion proof control case 8, the explosion proof control case 8 with The electrical connection of high-voltage electromagnetic ball valve 21 sends signal with the instruction according to remote control unit and controls corresponding high-voltage electromagnetic ball valve 21 Start and stop.
The present embodiment using explosion proof control case 8 control high-voltage electromagnetic ball valve 21 interval successively automatically turn on, while it is hydraulic every Membrane pump 14, which provides, stablizes high output pressure power source, to meet CO2The demand of drive produced well high gas-oil ratio (HGOR) well head medicine-adding, it is real The closely-spaced taking turn Automatic Dosing of the more wells of a machine is showed.
Embodiment 2:
On the basis of embodiment 1, a kind of CO is present embodiments provided2The more well well heads of drive produced well high gas-oil ratio (HGOR) are long-range certainly Injecting device is controlled, further includes the return flow solenoid valve 13 in shell 1,13 import of return flow solenoid valve and hydraulic diaphragm pump 14 Outlet, outlet are connected to medicinal cupping 9, and the return flow solenoid valve 13 and explosion proof control case 8 are electrically connected, the explosion proof control case 8 13 start-stop time of return flow solenoid valve of setting is respectively before and after the starting of both hydraulic diaphragm pump 14 and high-voltage electromagnetic ball valve 21.
When remote control unit sends instructions to explosion proof control case 8, the PLC of explosion proof control case 8 will be opened preferentially automatically Then return flow solenoid valve 13 just opens hydraulic diaphragm pump 14 and high-voltage electromagnetic ball valve 21, to hydraulic diaphragm pump 14 and high-voltage electromagnetic Closing volume solenoid valve 13 after 21 start completion of ball valve, it is therefore an objective to prevent starting pressure excessive and hydraulic diaphragm pump 14 is caused to damage It is bad.
It as shown in Figure 1, Figure 2, Figure 3, Figure 4, further include the safety valve 4 in shell 1,4 import of safety valve and liquid 14 outlet of diaphragm pump is pressed, outlet is connected to medicinal cupping 9.The injection pipeline is successively arranged terminal cutting ferrule along fluid flow direction Needle-valve 22, high-voltage electromagnetic ball valve 21, cutting ferrule check valve 20, cutting ferrule needle-valve 19, fixed ferrule fitting 17.
Medicinal cupping 9 is equipped with blender 2, and hydraulic diaphragm pump 14 has pump bracket 15, and liquid separation header 23 has liquid separation header bracket 16.Its In, it is in the present embodiment two, the liquid outlet of two hydraulic diaphragm pumps 14 passes through liquid collecting that hydraulic diaphragm pump 14, which can be used multiple, Pipe 5, liquid separation header inlet tube 18 are connected to liquid separation header 23, and collector tube 5 is connected with pulsation damper 25, pulsation damper 25 and pressure Power table 3 is connected.
As shown in figure 5, medicament will be from filter 12 through hydraulic diaphragm pump 14 to collector tube when return flow solenoid valve 13 is opened 5, return flow solenoid valve 13 is returned to then in turn through check valve 6 and needle-valve 7,14 inlet of hydraulic diaphragm pump is again introduced into and forms one A circuit.
Corresponding 6 well heads in Fig. 6 are totally 6 groups correspondingly between 6 high-voltage electromagnetic ball valves 21 and each well head, lead to Cross the open and close for successively controlling high-voltage electromagnetic ball valve 21, so that it may realize well group taking turn dosing.
When superpressure or frozen block occurs in well head, whole device has twice safety measures, first is that medicament will be unable to reach well head, System pressure gradually increases, and when pressure threshold set by system pressure reaches safety valve 4, safety valve 4 is opened, and medicament will be by Collector tube 5 is discharged by safety valve 4 into medicinal cupping 9, ensures that the safety of device.Other one of safety measure is then point Pressure transmitter 24 on liquid header 23, when pressure transmitter 24 collects the pressure that device pressure is more than remote control unit setting After force threshold, entire injection device will stop injecting, and execute stoppage protection operation.
Embodiment 3:
On the basis of embodiment 1, a kind of CO is present embodiments provided2The more well well heads of drive produced well high gas-oil ratio (HGOR) are long-range certainly Injecting device is controlled, further includes the electric-heating belt between injection pipeline and well head on pipeline, the shell 1 is insulation board, institute It states and is equipped with Temperature controlled heater 10 in shell 1, the Temperature controlled heater 10, electric-heating belt pass through 8 electricity of cable and explosion proof control case Connection.
Temperature controlled heater 10, electric-heating belt are used for anti-freezing and heat-insulating, realize reliability service of the device in winter under low temperature.
In the present embodiment, the controller of the explosion proof control case 8 is PLC.Explosion proof control case 8 and high-voltage electromagnetic ball valve 21, cable connection, while high-voltage electromagnetic ball valve 21, hydraulic diaphragm pump 14 are used between hydraulic diaphragm pump 14 and return flow solenoid valve 13 It is connected between return flow solenoid valve 13 using pipeline.Remote control unit (long-range gathering station point) is by the dosing of each well in well group Interval duration, dosage data are wirelessly sent to the PLC in explosion proof control case 8.The PLC of explosion proof control case 8 will be certainly Dynamic preferential unlatching return flow solenoid valve 13, then just opens hydraulic diaphragm pump 14 and high-voltage electromagnetic ball valve 21, to hydraulic diaphragm pump 14 With closing volume solenoid valve 13 after 21 start completion of high-voltage electromagnetic ball valve, the above movement is all repeated when restarting every time.
Exemplified as above is only to the utility model for example, not constituting to the protection scope of the utility model Limitation, within all designs the same or similar with the utility model all belong to the scope of protection of the present invention.The present embodiment does not have The part of specific descriptions belongs to the common knowledge and well-known technique of the art, is no longer described in detail one by one herein.

Claims (6)

1. a kind of CO2The more well well head remote automatic control injecting devices of drive produced well high gas-oil ratio (HGOR), it is characterised in that: described including skid Skid is equipped with shell (1), and explosion proof control case (8), medicinal cupping (9), hydraulic diaphragm pump (14), liquid separation are equipped in the shell (1) Header (23) and a plurality of injection pipeline, the explosion proof control case (8) are electrically connected with remote control unit, the medicinal cupping (9), hydraulic Diaphragm pump (14) and liquid separation header (23) are sequentially connected by pipeline, and the liquid separation header (23) is connected to multiple notes being set side by side Enter pipeline, every injection pipeline is equipped with high-voltage electromagnetic ball valve (21), connects the pipe of the medicinal cupping (9) and hydraulic diaphragm pump (14) Ball valve (11) and filter (12) are successively arranged on line, on the pipeline for connecting the hydraulic diaphragm pump (14) and liquid separation header (23) It is successively arranged pressure gauge (3), check valve (6), needle-valve (7) and pressure transmitter (24);
The hydraulic diaphragm pump (14), pressure transmitter (24) are electrically connected with explosion proof control case (8), the explosion proof control case (8) it is electrically connected with high-voltage electromagnetic ball valve (21) to send the corresponding high-voltage electromagnetic ball of signal control according to the instruction of remote control unit The start and stop of valve (21).
2. a kind of CO according to claim 12The more well well head remote automatic control injecting devices of drive produced well high gas-oil ratio (HGOR), it is special Sign is: further including the return flow solenoid valve (13) in shell (1), return flow solenoid valve (13) import and hydraulic diaphragm pump (14) outlet, outlet are connected to medicinal cupping (9), the return flow solenoid valve (13) and explosion proof control case (8) electrical connection, described anti- Return flow solenoid valve (13) start-stop time of quick-fried control cabinet (8) setting is respectively in hydraulic diaphragm pump (14) and high-voltage electromagnetic ball valve (21) The two starting front and back.
3. a kind of CO according to claim 12The more well well head remote automatic control injecting devices of drive produced well high gas-oil ratio (HGOR), it is special Sign is: further including the safety valve (4) in shell (1), safety valve (4) import and hydraulic diaphragm pump (14) outlet connect Logical, outlet is connected to medicinal cupping (9).
4. a kind of CO according to claim 12The more well well head remote automatic control injecting devices of drive produced well high gas-oil ratio (HGOR), it is special Sign is: the injection pipeline is successively arranged terminal card set needle-valve (22), high-voltage electromagnetic ball valve (21), card along fluid flow direction Cover check valve (20), cutting ferrule needle-valve (19), fixed ferrule fitting (17).
5. a kind of CO according to claim 12The more well well head remote automatic control injecting devices of drive produced well high gas-oil ratio (HGOR), it is special Sign is: further including the electric-heating belt between injection pipeline and well head on pipeline, the shell (1) is insulation board, described Temperature controlled heater (10) are equipped in shell (1), the Temperature controlled heater (10), electric-heating belt pass through cable and explosion proof control case (8) it is electrically connected.
6. a kind of CO according to claim 12The more well well head remote automatic control injecting devices of drive produced well high gas-oil ratio (HGOR), it is special Sign is: the controller of the explosion proof control case (8) is PLC.
CN201820584883.9U 2018-04-24 2018-04-24 CO (carbon monoxide)2High gas-oil ratio multi-well wellhead remote automatic control injection device for driving and producing well Active CN208330317U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820584883.9U CN208330317U (en) 2018-04-24 2018-04-24 CO (carbon monoxide)2High gas-oil ratio multi-well wellhead remote automatic control injection device for driving and producing well

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820584883.9U CN208330317U (en) 2018-04-24 2018-04-24 CO (carbon monoxide)2High gas-oil ratio multi-well wellhead remote automatic control injection device for driving and producing well

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CN208330317U true CN208330317U (en) 2019-01-04

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112502668A (en) * 2020-12-14 2021-03-16 新疆大宏德广能源技术服务有限公司 Automatic pressure-control multi-angle atomization dosing device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112502668A (en) * 2020-12-14 2021-03-16 新疆大宏德广能源技术服务有限公司 Automatic pressure-control multi-angle atomization dosing device
CN112502668B (en) * 2020-12-14 2024-03-15 新疆大宏德广能源技术服务有限公司 Automatic pressure-control multi-angle atomization medicine feeding device

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