CN214041371U - Movable offshore oilfield water injection quality on-line monitoring device - Google Patents
Movable offshore oilfield water injection quality on-line monitoring device Download PDFInfo
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- CN214041371U CN214041371U CN202022356139.3U CN202022356139U CN214041371U CN 214041371 U CN214041371 U CN 214041371U CN 202022356139 U CN202022356139 U CN 202022356139U CN 214041371 U CN214041371 U CN 214041371U
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Abstract
The utility model provides a movable offshore oil field water injection quality of water on-line monitoring device, set up introduction port and appearance mouth respectively on the water injection pipeline, introduction port links to each other through the water inlet of introduction pipeline with the measurement water tank, install sampling valve and relief pressure valve on introduction pipeline in proper order, the measurement water tank is installed in the detection case, the sensor is installed in the measurement water tank, the sensor is connected with the signal transducer electricity respectively, the signal transducer is installed outside the measurement water tank, the signal transducer passes through the controller respectively with the relay, on-the-spot control touch screen and remote control end link to each other, the delivery port of measurement water tank passes through the layout pipeline and links to each other with the appearance mouth of water injection pipeline, install the booster pump on appearance pipeline in proper order, pressure gauge and appearance valve. The device is small in size and strong in mobility, and can realize the capacity of online monitoring and reprocessing of three water quality indexes such as oil content, oxygen content and suspended matter content of the offshore oilfield water injection well.
Description
Technical Field
The utility model relates to a water quality monitoring technology field, more specifically say and relate to a movable offshore oil field water injection quality of water on-line monitoring device.
Background
Along with the continuous deepening of oil and gas exploitation of the oil field, the pressure in the stratum can be gradually reduced, so that the yield of crude oil is reduced, and even the crude oil cannot be exploited. The water injection method is a production increasing method commonly used in domestic and foreign oil fields, and is used for supplementing underground pressure loss caused by oil gas flowing out by injecting high-pressure water into an oil layer and simultaneously collecting and extracting crude oil. In the process of water injection in an oil field, certain requirements are required on the water quality of water injection, particularly for a low-permeability oil reservoir, the water quality requirement is stricter, so that the water quality of the water injection needs to be frequently analyzed and detected so as to know the specific condition of the water quality of the water injection. For a long time, the water quality monitoring work of oil field water injection is mainly completed by a laboratory technician, so that the working intensity of the water quality monitoring laboratory technician is high, and the monitoring frequency is low. Meanwhile, the data obtained by detection after sampling reflects the value during sampling, cannot completely, truly and completely reflect the real-time change condition of water quality, and cannot meet the requirement of an oil field on water injection quality monitoring. Therefore, a device capable of continuously monitoring the water quality of injected water in real time is urgently needed, and remote control can be realized in a control center so as to reduce labor cost and labor intensity.
Most of the existing online water quality monitoring devices aim at surface water, and the design and the function of the existing online water quality monitoring devices cannot meet the monitoring requirements of oilfield injection water. For example, patent CN101839733B discloses an integrated multi-parameter water quality on-line monitoring device and a control method thereof, which completes centralized measurement and display of water quality indexes through system integration. Patents CN107843704A, CN108051429A, CN1107497156A and CN109324165A are also basically similar. However, the above patents are directed to water quality detection of water supply plants, which are not sufficient for monitoring injected water in oil fields, and most of them do not have remote transmission and control functions.
Some researchers developed corresponding devices aiming at online monitoring of oil field water quality, such as: patent CN201737784U discloses an oil field injected water treatment and monitoring device, concentrates the treatment and on-line monitoring of injected water in an organic whole, realizes the treatment of injected water and the real-time monitoring of quality of water. However, the device is large, is not suitable for monitoring water quality independently, and cannot move basically; patent CN108956921A discloses a novel oil field water injection water quality testing instrument, can carry out even sampling to water, detects a plurality of indexes simultaneously. But the device cannot realize real-time monitoring; patent CN203502407U discloses a water quality detection device for oil recovery reinjection water, which can easily determine the oil content and suspended matter content in water. However, the device has a complex structure, is inconvenient to operate, does not have long-term use conditions, and does not have remote transmission and control functions. Patent CN102253176A discloses an oil field produced water on-line monitoring system for monitoring quality of water oil content, realize the automatically cleaning through air purge and water pressure washing, but the device area is great and monitoring parameter is single.
The offshore oil field has narrow space and higher requirement on the size of equipment, and the existing monitoring device is basically difficult to use on the sea. In order to overcome the defects of the existing online monitoring equipment, and simultaneously, to timely operate when the quality of injected water is unqualified, and timely and remotely convey the field water quality information of the oilfield to an oilfield manager to realize the control of the quality of water injected into the offshore oilfield, the movable offshore oilfield water injection quality online monitoring and remote control device is provided according to the requirement of offshore oilfield water quality monitoring.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes not enough among the prior art, offshore oil field space is narrow and small, it is higher to equipment size requirement, present monitoring devices all is difficult to use at sea basically, a movable offshore oil field water injection quality of water on-line monitoring device is provided, the device is small, the mobility is strong, can realize the oil content to offshore oil field water injection well, the oxygen content, the on-line monitoring and the ability of retreating of three water quality indexes such as suspended solid content, possess long-range transmission control function, can assist oil field managers to inspect injected water quality of water problem, in time make the decision-making.
The purpose of the utility model is realized by the following technical scheme.
A movable offshore oilfield flooding water quality on-line monitoring device comprises an on-line monitoring device, a water purifying device and a remote control end, wherein a offshore oilfield platform is provided with a water treatment system, water treated by the water treatment system sequentially flows through the on-line monitoring device and the water purifying device along a flooding pipeline,
the on-line monitoring device comprises a detection box, a measurement water tank, a sensor, a controller and a field control touch screen, a sample inlet and a sample outlet are respectively arranged on the water injection pipeline, the sample inlet is connected with the water inlet of the measuring water tank through a sample inlet pipeline, a sample injection valve and a pressure reducing valve are sequentially arranged on the sample injection pipeline, the measuring water tank is arranged in the detection tank, the sensor is arranged in the measuring water tank and is respectively and electrically connected with the signal transmitter, the signal transmitter is arranged outside the measuring water tank and is respectively connected with the relay, the field control touch screen and the remote control end through the controller, the water outlet of the measuring water tank is connected with the sample outlet of the water injection pipeline through a sample discharge pipeline, and a booster pump, a pressure gauge and a sample outlet valve are sequentially arranged on the sample outlet pipeline;
the water purifier comprises a raw water pipe, a water purifying water pipe, a water inlet three-way pipe, a water outlet three-way pipe and a relay, wherein a water outlet of the water injection pipeline is communicated with a water inlet end of the raw water pipe and a water inlet end of the water purifying water pipe through the water inlet three-way pipe respectively, a normally open type electromagnetic valve is installed at the water inlet end of the raw water pipe, a normally closed type electromagnetic valve is installed at the water inlet end of the water purifying water pipe, the normally open type electromagnetic valve and the normally closed type electromagnetic valve are electrically connected with the relay respectively, the relay is used for controlling the normally open type electromagnetic valve and the normally closed type electromagnetic valve to be opened or closed, a water outlet end of the raw water pipe and a water outlet end of the water purifying water pipe are communicated with the water injection pipeline through the water outlet three-way pipe respectively, and the water purifying pipe is provided with a tubular water purifier.
The controller includes ARMCortex-M3STM32F103 processor chip, WIFI module and information editing module, the WIFI module with the information editing module all with ARMCortex-M3STM32F103 processor chip links to each other be provided with sensor interface, control circuit interface and data line interface on the ARMCortex-M3STM32F103 processor chip, signal transmitter links to each other with the sensor interface that corresponds respectively, on-the-spot control touch screen and remote control end respectively with the control circuit interface links to each other, the data line interface with the relay links to each other.
The number of the sensors is three, and the sensors are respectively an oil content measuring probe, a suspended matter content measuring probe and an oxygen content measuring probe.
The number of the signal transmitters is three, and the signal transmitters are respectively connected with the oil content measuring probe, the suspended matter content measuring probe and the oxygen content measuring probe.
The pressure gauge adopts electron water pressure sensor, the pressure gauge links to each other with the sensor interface of ARMCortex-M3STM32F103 treater chip.
And the remote control end adopts PC equipment connected with a cloud.
A movable offshore oilfield flooding water quality on-line monitoring method comprises the following steps:
step 1, when the measurement is started, water treated by a water treatment system firstly enters an online monitoring device along a water injection pipeline, a sample injection valve is opened to enable a water sample to enter a measurement water tank after being decompressed to a measurement pressure through a sample injection pipeline through a decompression valve and fill the measurement water tank, a booster pump and a water outlet valve are opened to enable the water sample to be re-conveyed back into the water injection pipeline through a sample outlet pipeline after being supercharged, after the water sample in the water tank to be measured flows stably, a sensor is started to measure the oil content, the suspended matter content and the oxygen content of the water sample, after the measurement is finished, the measurement result is transmitted to a controller through a signal transmitter, the controller transmits the measurement result to a field control touch screen, and simultaneously transmits the measurement result to a remote control end synchronously, after the remote control end receives the measurement result, the measurement result is subjected to chemical analysis and editing and then displayed on the remote control end, when the parameter adjustment of the measuring instrument is needed, an operator can control the touch screen through an operation site or remotely control the parameter adjustment of the measuring instrument by using a remote control end;
and 2, when the sensors detect that the oil content, the suspended matter content and the oxygen content of the injected water exceed set values, the controller energizes the control relay to control the normally open type electromagnetic valve on the original water pipe to be closed, and simultaneously controls the normally closed type electromagnetic valve on the purified water pipe to be opened so as to enable the injected water in the water injection pipeline to be injected into the tubular water purifier for purification, and the purified water flows into the water injection pipeline through the water outlet three-way pipe to be injected into the oil field so as to ensure the injected water quality of the oil field and realize the automatic control of the injected water quality of the oil field.
The utility model has the advantages that: compared with the prior art, the on-line monitoring device can realize on-line continuous monitoring of three water quality indexes such as oil content, oxygen content, suspended matter content and the like of the offshore oilfield injection well, when the on-line monitoring end detects that the injected water quality value exceeds a set value, the water purifying end can play a role by controlling the opening and closing of the electronic valve, unqualified injected water is injected into the oilfield after being purified at the water purifying end, the injected water quality of the oilfield is ensured, and the automatic control of the injected water quality of the oilfield is realized; meanwhile, the remote control end prompts oil field management personnel to check the water quality problem of the injected water source through a series of intelligent processing of data receiving, storing, editing, analyzing, sending and the like, and is suitable for popularization and use.
Drawings
Fig. 1 is a schematic structural diagram of an on-line monitoring device of the present invention;
FIG. 2 is a schematic structural view of the water purifying device of the present invention;
in the figure: 1 is a water injection pipeline; 2 is a sample injection valve; 3 is a pressure reducing valve; 4 is a measuring water tank; 5 is a booster pump; 6 is a pressure gauge; 7 is a water outlet valve; 8 is a sensor; 9 is a signal transmitter; 10 is a controller; 11 is a field control touch screen; 12 is a remote control end; 13 is a raw water pipe; 14 is a purified water pipe; 15 is a water inlet three-way pipe; 16 is a water outlet three-way pipe; 17 is a tubular water purifier; 18 is a relay; 19 is a normally open type electromagnetic valve; 20 is a normally closed electromagnetic valve; 21 is a detection box;
for a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
The technical solution of the present invention is further explained by the following specific examples.
Example one
A movable offshore oilfield flooding water quality on-line monitoring device comprises an on-line monitoring device, a water purifying device and a remote control end 12, wherein a offshore oilfield platform is provided with a water treatment system, water treated by the water treatment system sequentially flows through the on-line monitoring device and the water purifying device along a flooding pipeline,
the on-line monitoring device comprises a detection box 21, a measurement water tank 4, a sensor 8, a controller 10 and a field control touch screen 11, wherein a sample inlet and a sample outlet are respectively formed in a water injection pipeline 1, the sample inlet is connected with a water inlet of the measurement water tank 4 through a sample inlet pipeline, a sample injection valve 2 and a pressure reducing valve 3 are sequentially installed on the sample inlet pipeline, the measurement water tank 4 is installed in the detection box 21, the sensor 8 is installed in the measurement water tank 4, the sensor 8 is respectively and electrically connected with a signal transmitter 9, the signal transmitter 9 is installed outside the measurement water tank 4, the signal transmitter 9 is respectively connected with a relay 18, a field control touch screen 11 and a remote control end 12 through the controller 10, a water outlet of the measurement water tank 4 is connected with the sample outlet of the water injection pipeline 1 through a sample discharge pipeline, and a booster pump 5, a pressure gauge 6 and a sample outlet valve 7 are sequentially installed on the sample outlet pipeline;
the water purifier comprises a raw water pipe 13, a purified water pipe 14, a water inlet three-way pipe 15, a water outlet three-way pipe 16 and a relay 18, a water outlet of a water injection pipeline 1 is respectively communicated with a water inlet end of the raw water pipe 13 and a water inlet end of the purified water pipe 14 through the water inlet three-way pipe 15, a normally open type electromagnetic valve 19 is installed at the water inlet end of the raw water pipe 13, a normally closed type electromagnetic valve 20 is installed at the water inlet end of the purified water pipe 14, the normally open type electromagnetic valve 19 and the normally closed type electromagnetic valve 20 are respectively electrically connected with the relay 18, the relay 18 is used for controlling the opening or closing of the normally open type electromagnetic valve 19 and the normally closed type electromagnetic valve 20, the water outlet end of the raw water pipe 13 and the water outlet end of the purified water pipe 14 are respectively communicated with the water injection pipeline 1 through the water outlet three-way pipe 16, and a pipe 17 is installed on the purified water pipe 14.
Example two
On the basis of embodiment one, controller 10 includes ARMCortex-M3STM32F103 processor chip, WIFI module and information editing module all link to each other with ARMCortex-M3STM32F103 processor chip, be provided with the sensor interface on ARMCortex-M3STM32F103 processor chip, control circuit interface and data line interface, signal transmitter 9 links to each other with corresponding sensor interface respectively, field control touch screen 11 and remote control end 12 link to each other with the control circuit interface respectively, the data line interface links to each other with relay 18.
EXAMPLE III
On the basis of the second embodiment, the number of the sensors 8 is three, and the sensors are respectively an oil content measuring probe, a suspended matter content measuring probe and an oxygen content measuring probe.
The signal transmitters 9 are three groups and are respectively connected with an oil content measuring probe, a suspended matter content measuring probe and an oxygen content measuring probe.
The pressure gauge 6 adopts an electronic water pressure sensor, and the pressure gauge 6 is connected with a sensor interface of an ARMCortex-M3STM32F103 processor chip.
The remote control end 12 is a PC device connected to a cloud end, and the cloud end includes a data receiving module, a data analyzing module, a monitoring information storage module, an information editing module, and an information sending module.
Example four
A movable offshore oilfield flooding water quality on-line monitoring method comprises the following steps:
step 1, when the measurement is started, water treated by a water treatment system firstly enters an online monitoring device along a water injection pipeline, a sample injection valve is opened to enable a water sample to enter a measurement water tank after being decompressed to a measurement pressure through a sample injection pipeline through a decompression valve and fill the measurement water tank, a booster pump and a water outlet valve are opened to enable the water sample to be re-conveyed back into the water injection pipeline through a sample outlet pipeline after being supercharged, after the water sample in the water tank to be measured flows stably, a sensor is started to measure the oil content, the suspended matter content and the oxygen content of the water sample, after the measurement is finished, the measurement result is transmitted to a controller through a signal transmitter, the controller transmits the measurement result to a field control touch screen, and simultaneously transmits the measurement result to a remote control end synchronously, after the remote control end receives the measurement result, the measurement result is subjected to chemical analysis and editing and then displayed on the remote control end, when the parameter adjustment of the measuring instrument is needed, an operator can control the touch screen through an operation site or remotely control the parameter adjustment of the measuring instrument by using a remote control end;
and 2, when the sensors detect that the oil content, the suspended matter content and the oxygen content of the injected water exceed set values, the controller energizes the control relay to control the normally open type electromagnetic valve on the original water pipe to be closed, and simultaneously controls the normally closed type electromagnetic valve on the purified water pipe to be opened so as to enable the injected water in the water injection pipeline to be injected into the tubular water purifier for purification, and the purified water flows into the water injection pipeline through the water outlet three-way pipe to be injected into the oil field so as to ensure the injected water quality of the oil field and realize the automatic control of the injected water quality of the oil field.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The present invention has been described in detail, but the above description is only a preferred embodiment of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (6)
1. The utility model provides a movable offshore oil field water injection quality of water on-line monitoring device which characterized in that: comprises an on-line monitoring device, a water purifying device and a remote control end, wherein a water treatment system is arranged on an offshore oilfield platform, water treated by the water treatment system sequentially flows through the on-line monitoring device and the water purifying device along a water injection pipeline,
the on-line monitoring device comprises a detection box, a measurement water tank, a sensor, a controller and a field control touch screen, a sample inlet and a sample outlet are respectively arranged on the water injection pipeline, the sample inlet is connected with the water inlet of the measuring water tank through a sample inlet pipeline, a sample injection valve and a pressure reducing valve are sequentially arranged on the sample injection pipeline, the measuring water tank is arranged in the detection tank, the sensor is arranged in the measuring water tank and is respectively and electrically connected with the signal transmitter, the signal transmitter is arranged outside the measuring water tank and is respectively connected with the relay, the field control touch screen and the remote control end through the controller, the water outlet of the measuring water tank is connected with the sample outlet of the water injection pipeline through a sample discharge pipeline, and a booster pump, a pressure gauge and a sample outlet valve are sequentially arranged on the sample outlet pipeline;
the water purifier comprises a raw water pipe, a water purifying water pipe, a water inlet three-way pipe, a water outlet three-way pipe and a relay, wherein a water outlet of the water injection pipeline is communicated with a water inlet end of the raw water pipe and a water inlet end of the water purifying water pipe through the water inlet three-way pipe respectively, a normally open type electromagnetic valve is installed at the water inlet end of the raw water pipe, a normally closed type electromagnetic valve is installed at the water inlet end of the water purifying water pipe, the normally open type electromagnetic valve and the normally closed type electromagnetic valve are electrically connected with the relay respectively, the relay is used for controlling the normally open type electromagnetic valve and the normally closed type electromagnetic valve to be opened or closed, a water outlet end of the raw water pipe and a water outlet end of the water purifying water pipe are communicated with the water injection pipeline through the water outlet three-way pipe respectively, and the water purifying pipe is provided with a tubular water purifier.
2. The movable offshore oilfield flooding water quality on-line monitoring device of claim 1 is characterized in that: the controller includes ARMCortex-M3STM32F103 processor chip, WIFI module and information editing module, the WIFI module with the information editing module all with ARMCortex-M3STM32F103 processor chip links to each other be provided with sensor interface, control circuit interface and data line interface on the ARMCortex-M3STM32F103 processor chip, signal transmitter links to each other with the sensor interface that corresponds respectively, on-the-spot control touch screen and remote control end respectively with the control circuit interface links to each other, the data line interface with the relay links to each other.
3. The movable offshore oilfield flooding water quality on-line monitoring device of claim 2 is characterized in that: the number of the sensors is three, and the sensors are respectively an oil content measuring probe, a suspended matter content measuring probe and an oxygen content measuring probe.
4. The movable offshore oilfield flooding water quality on-line monitoring device of claim 3 is characterized in that: the number of the signal transmitters is three, and the signal transmitters are respectively connected with the oil content measuring probe, the suspended matter content measuring probe and the oxygen content measuring probe.
5. The movable offshore oilfield flooding water quality on-line monitoring device of claim 4 is characterized in that: the pressure gauge adopts electron water pressure sensor, the pressure gauge links to each other with the sensor interface of ARMCortex-M3STM32F103 treater chip.
6. The movable offshore oilfield flooding water quality on-line monitoring device of claim 1 is characterized in that: and the remote control end adopts PC equipment connected with a cloud.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114384216A (en) * | 2020-10-21 | 2022-04-22 | 中国海洋石油集团有限公司 | Movable offshore oilfield water injection quality online monitoring device and monitoring method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114384216A (en) * | 2020-10-21 | 2022-04-22 | 中国海洋石油集团有限公司 | Movable offshore oilfield water injection quality online monitoring device and monitoring method thereof |
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