CN111396023B - Associated gas and liquid recycling device - Google Patents
Associated gas and liquid recycling device Download PDFInfo
- Publication number
- CN111396023B CN111396023B CN202010405389.3A CN202010405389A CN111396023B CN 111396023 B CN111396023 B CN 111396023B CN 202010405389 A CN202010405389 A CN 202010405389A CN 111396023 B CN111396023 B CN 111396023B
- Authority
- CN
- China
- Prior art keywords
- liquid
- gas
- outlet
- pipeline
- heat exchanger
- 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
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/02—Large containers rigid
- B65D88/06—Large containers rigid cylindrical
- B65D88/08—Large containers rigid cylindrical with a vertical axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/74—Large containers having means for heating, cooling, aerating or other conditioning of contents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/48—Arrangements of indicating or measuring devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The utility model provides an associated gas, liquid recovery recycle device, includes, well head valve, connects union, filter check valve, gas-liquid separation data collection station, gas holder, heat exchanger, heating furnace, central control cabinet and computer, its characterized in that: the wellhead valve is connected with a connecting union through a clamp, one end of the filter one-way valve is connected with the connecting union through a union nut, and the other end of the filter one-way valve is connected with a gas-liquid separation data collector through a collector liquid inlet pipe. The gas-liquid separation data collector is provided with a liquid outlet and a gas outlet, the liquid outlet is divided into two pipelines to be connected with a crude oil output pipeline, and the gas outlet is connected with a gas storage tank through a pipeline. The gas outlet of the gas storage tank comprises two pipelines, wherein one pipeline is connected with a crude oil output pipeline, the other pipeline is connected with the heating furnace, the device can automatically start and close the gear pump and the natural gas pump according to set parameters, so that the automatic recovery of liquid and gas in the collected oil and the casing annulus is realized, the scientific management is facilitated, and the centralized remote control can be realized.
Description
Technical Field
The invention relates to the technical field of oil and gas exploitation, in particular to a novel device for collecting, recycling and reusing associated oil and liquid, which is used for automatically recovering waste liquid of oil and oil jackets.
Background
At present, the oil and liquid in the oil and the sleeve are generally treated by manually checking the conditions of the oil and the liquid in the sleeve regularly or irregularly and recovering the oil and the liquid in the sleeve by a recovery tank car. This method usually relies on a person to periodically check and manage the recovered liquid, and the recovery is not based on the pressure or level of the liquid in the well. The following often occur: after the recovery, the liquid can overflow to cause environmental pollution. The recovery is early, the pressure or liquid level of the oil and the liquid in the sleeve is insufficient, the recovered liquid is less, and a small amount of associated gas is discharged into the atmosphere through a valve or is intensively combusted through a pipeline. Although simple, the method is not scientific, causes pollution to the environment, cannot meet the requirement of modern production on environmental protection, and is not beneficial to fine management. Meanwhile, the oil stealing event is easy to happen.
At present, no associated gas and liquid recycling technology and application device exist.
Disclosure of Invention
In view of the above-mentioned technical problems, the present invention aims to provide an associated gas and liquid recycling device.
The utility model provides an associated gas, liquid recovery recycle device, includes, well head valve (1), connects union (2), filter check valve (5), gas-liquid separation data collection station (10), gas holder (20), heat exchanger (53), heating furnace (45), central control cabinet (52) and computer, its characterized in that: well head valve (1) is connected through clamp (59) and connection union (2), and filter check valve (5) one end is connected with connection union (2) through union nut (3), and the other end is connected with gas-liquid separation data collection station (10) through collection station feed liquor pipe (9), gas-liquid separation data collection station (10) on have two exports, be respectively: a liquid outlet and a gas outlet.
The gas-liquid separation data collector (10) separates oil and gas accompanied by oil and a sleeve, the separated gas is positioned at the upper part of the tank body of the gas-liquid separation data collector (10), and the separated liquid is positioned at the lower part of the tank body of the gas-liquid separation data collector (10).
And the liquid outlet of the gas-liquid separation data acquisition unit (10) is divided into two pipelines which are connected with a crude oil output pipeline.
The gas outlet of the gas-liquid separation data acquisition unit (10) is connected with the gas storage tank (20) through a pipeline, the gas outlet of the gas storage tank (20) comprises two pipelines, the first pipeline is connected with a crude oil output pipeline, and the other pipeline is connected with the heating furnace (45).
The first pipeline of the liquid outlet of the gas-liquid separation data collector (10) is input to a crude oil output pipeline through a collector liquid outlet pipe A (11), a gear pump (12), a flow meter (13), a collector liquid outlet pipe B (14), a liquid pump outlet one-way valve (29), a liquid pump outlet gate valve (30), a liquid pump outlet one-way valve (32), a liquid pump outlet pipeline (33), a liquid pump outlet heat exchanger pipeline (34), a liquid pump outlet heat exchanger gate valve (36), a liquid pump outlet heat exchanger one-way valve (31), a liquid pump outlet recovery gate valve (40), a liquid pump outlet recovery one-way valve (41) and a recovery pipeline (43) which are connected in sequence.
The second pipeline of the liquid outlet of the data collector (10) is a pipeline which is formed by sequentially connecting a collector liquid outlet pipe A (11), a gear pump (12), a flowmeter (13), a collector liquid outlet pipe B (14), a liquid pump outlet one-way valve (29), a liquid pump outlet gate valve (30), a liquid pump outlet one-way valve (32), a liquid pump outlet pipe line (33), a liquid pump outlet heat exchanger pipeline (34), a liquid pump outlet heat exchanger gate valve (36), a liquid pump outlet heat exchanger one-way valve (31), a liquid pump outlet heat exchanger pipeline (39), a heat exchanger inlet temperature controller (58) and a liquid pump outlet heat exchanger inlet gate valve (38), and the heated liquid enters a heat exchanger (53) through a heat exchanger outlet pipeline (54), a heat exchanger outlet temperature sensor (55), a heat exchanger outlet flowmeter (57), a heat exchanger outlet gate valve (56), The heat exchanger outlet pipeline (42) and the recovery pipeline (43) are input into a crude oil output pipeline.
When the temperature of the liquid separated by the gas-liquid separation data collector (10) reaches a set temperature, a heat exchanger inlet temperature controller (58) sends an instruction, a liquid pump outlet recovery gate valve (40) is opened, a liquid pump outlet heat exchanger inlet gate valve (38) is closed, and the liquid is input to a crude oil output pipeline through a first pipeline. When the temperature of the liquid separated by the gas-liquid separation data collector (10) is lower than the set temperature, the heat exchanger inlet temperature controller (58) sends an instruction, the liquid pump outlet heat exchanger inlet gate valve (38) is opened, the liquid pump outlet recovery gate valve (40) is closed, the liquid enters the heat exchanger (53) through the second pipeline, and the heated liquid is input into the crude oil output pipeline through the heat exchanger outlet pipeline (42) and the recovery pipeline (43).
The liquid level sensor of the gas-liquid separation data collector (10) sends collected liquid level data and signals to the computer, and the computer switches on or off the gear pump (12) according to the liquid level signals. When the liquid at the lower part of the tank body of the gas-liquid separation data acquisition unit (10) rises to reach a set liquid level, a signal is sent out, the gear pump (12) is started to operate, the liquid is recovered, and when the liquid is recovered, the first pipeline or the second pipeline is selected to input the liquid into the crude oil output pipeline. When the liquid at the lower part of the tank body of the gas-liquid separation data acquisition unit (10) descends to reach a set liquid level, a signal is sent out, the gear pump (12) stops operating, and the liquid recovery is stopped.
The gas that gas-liquid separation data collection station (10) separated gets into gas holder (20) through the natural gas pump inlet pipeline (28), natural gas pump (15), natural gas pump outlet pipeline (16), natural gas strapping table (17), natural gas check valve (18), natural gas holder intake pipe (19) that connect gradually, gas holder (20) store a certain amount of gas, the pressure of buffering strikes for the natural gas pressure of output is gentler, and when pressure reached the setting value, gas holder (20) can automatic release pressure, and gas holder (20) export directly gets into crude oil output pipeline or gets into heating furnace (45) and carry out the combustion heating according to the pipeline of setting for.
The pressure sensor of the gas-liquid separation data collector (10) sends collected pressure data and signals to the computer, and the computer analyzes and compares the set pressure value with the value transmitted by the pressure sensor to judge whether to start or close the natural gas pump (15). When the pressure in the tank body of the gas-liquid separation data acquisition device (10) is greater than the set pressure, the natural gas pump (15) is started to press gas into the gas storage tank (20). When the pressure in the tank body of the gas-liquid separation data acquisition unit (10) is smaller than the set pressure, the natural gas pump (15) stops running. When the pressure in the gas-liquid separation data collector (10) is higher than the pressure of the gas storage tank (20), the natural gas can automatically enter the gas storage tank (20) from the gas-liquid separation data collector (10).
The first pipeline of the gas outlet of the gas storage tank (20) is a pipeline directly recycling the outlet pipeline (25) through the gas storage tank, a valve directly recycling the outlet gate valve (26), a check valve directly recycling the outlet of the gas storage tank (27), a gate valve outlet of a liquid pump (30), a check valve outlet of the liquid pump (32), a pipeline (33) of the liquid pump outlet, a pipeline (34) of the heat exchanger outlet of the liquid pump, a gate valve (36) of the heat exchanger outlet of the liquid pump (31), a gate valve (40) recycling the outlet of the liquid pump, a check valve (41) recycling the outlet of the liquid pump, and a pipeline (43) inputting the outlet pipeline to crude oil.
The second pipeline of the gas outlet of the gas storage tank (20) enters a heating furnace (45) through a gas storage tank heating outlet pipeline (24), a gas storage tank heating outlet gate valve (23), a gas storage tank heating outlet one-way valve (22) and a pressure temperature control device (44) which are sequentially connected, when the second pipeline is selected, the gas storage tank heating outlet gate valve (23) is in an open state, the gas storage tank direct recovery outlet gate valve (26) is in a closed state, and the heating furnace (45) heats a heat exchanger (53) by burning associated gas and natural gas output by the gas storage tank (20) so as to heat crude oil liquid, so that the crude oil liquid keeps good fluidity.
When the crude oil liquid entering the heat exchanger (53) is lower than the set temperature, the heat exchanger outlet temperature sensor (55) sends a command, the heating furnace (45) starts to work, and when the crude oil liquid entering the heat exchanger (53) is higher than the set maximum temperature, the heat exchanger outlet temperature sensor (55) sends a command, and the heating furnace (45) stops working.
When the temperature of crude oil liquid is reduced to a set temperature, a heating outlet gate valve (23) of the gas storage tank is opened, an ignition program is started, natural gas from the gas storage tank (20) is decompressed through a pressure and temperature control device (44) and enters a heating furnace (45), an ignition device (76) starts to ignite a combustion heating furnace end (75), and after the natural gas is ignited, a flame monitor (77) sends an instruction, and the ignition device (76) stops working. When the temperature of the crude oil liquid rises to the set temperature, the heating outlet gate valve (23) of the gas storage tank is closed, and the heating furnace (45) stops heating.
The invention has the beneficial effects that: 1. the pressure or the liquid level in oil and casing annulus do not need to be checked artificially, so that the environmental pollution and waste caused by liquid overflow due to untimely check or artificial factors are avoided. 2. When the liquid in the oil and the casing annulus is artificially recovered, a pipeline between a wellhead and the vehicle-mounted recovery tank needs to be connected on site, a wellhead valve is opened, after the recovery is finished, the pipeline between the wellhead and the vehicle-mounted recovery tank needs to be detached, and the wellhead valve is closed. The device reduces the above operation links. The labor intensity of workers can be effectively reduced, and the periodic inspection of the oil well by the workers is reduced. 3. The oil is collected and conveyed specially without a tank car, so that the oil recovery rate is improved, and the production cost is reduced to a certain extent. 4. The device can automatically start and close the gear pump and the natural gas pump according to set parameters, realizes automatic recovery of liquid and gas in the collected oil and the casing annulus, is favorable for scientific management, and can realize centralized remote control. 5. The liquid is collected to realize automatic metering and transmission, the metering is accurate, and human errors caused by the measurement of the recovered liquid by people are avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
figure 2 is a schematic view of the connection of the union (2) to the filter check valve (5) of the present invention;
FIG. 3 is a schematic structural diagram of a mechanical data collector of the present invention;
FIG. 4 is a schematic structural diagram of a wireless transmission data collector of the present invention;
FIG. 5 is a schematic view of the structure of the heating furnace of the present invention.
In the figure: a wellhead valve 1, a connecting union 2, a union nut 3, a sealing ring 4, a filter one-way valve 5, a filter screen 6, a ball 7, a blow-off pipe 8, a collector liquid inlet pipe 9, a gas-liquid separation data collector 10, a collector liquid outlet pipe A11, a gear pump 12, a flowmeter 13, a collector liquid outlet pipe B14, a natural gas pump 15, a natural gas pump outlet pipeline 16, a natural gas meter 17, a natural gas one-way valve 18, a natural gas storage tank air inlet pipe 19, a gas storage tank 20, a safety valve 21, a gas storage tank heating outlet one-way valve 22, a gas storage tank heating outlet gate valve 23, a gas storage tank heating outlet pipeline 24, a gas storage tank direct recovery outlet pipeline 25, a gas storage tank direct recovery outlet gate valve 26, a gas storage tank direct recovery outlet one-way valve 27, a natural gas pump inlet pipeline 28, a liquid pump outlet one-way valve 29, a liquid pump outlet gate valve 30, a liquid pump outlet heat exchanger one-way valve 31, a liquid pump outlet one-way valve 32, a liquid pump outlet valve 32, a natural gas pump outlet pipe 15, a natural gas pump outlet pipe, a natural gas pump, a natural gas meter, a gas, A liquid pump outlet line 33, a liquid pump outlet heat exchanger line 34, a liquid pump outlet recovery line 35, a liquid pump outlet heat exchanger gate valve 36, a liquid pump outlet recovery check valve 37, a liquid pump outlet heat exchanger inlet gate valve 38, a liquid pump outlet heat exchanger line 39, a liquid pump outlet recovery gate valve 40, a liquid pump outlet recovery check valve 41, a heat exchanger outlet line 42, a recovery line 43, a pressure and temperature control device 44, a furnace 45, a safety valve 46, a pressure makeup tank 47, a furnace outlet line 48, a furnace outlet gate valve 49, a furnace inlet gate valve 50, a furnace inlet line 51, a central control cabinet 52, a heat exchanger 53, a heat exchanger outlet line 54, a heat exchanger outlet temperature sensor 55, a heat exchanger outlet gate valve 56, a heat exchanger outlet flow meter 57, a heat exchanger inlet temperature controller 58, a clamp 59, a pressure sensor A60, a pressure sensor A, a pressure sensor B, a temperature sensor B, a temperature sensor B, a temperature sensor B, a temperature sensor B, a temperature, a temperature sensor B, a temperature sensor B, a temperature sensor B, a temperature sensors, a temperature, a, the device comprises a signal cylinder A61, a liquid level sensor A62, a liquid storage tank A63, a data collector liquid outlet A64, a push rod 65, a buoy 66, a positioning guide sleeve 67, a data collector liquid inlet B68, a pressure sensor B69, a liquid level sensor B70, a signal cylinder B71, a liquid storage tank B72, a data collector liquid outlet A73, a data collector liquid inlet B74, a combustion heating furnace end 75, an ignition device 76, a flame combustion monitor 77, a powerful exhaust fan 78 and a combustible gas detector 79.
Detailed Description
As shown in fig. 1 and 2, a wellhead valve 1 is connected with a connecting union 2 through a clamp 59, one end of a filter check valve 5 is connected with the connecting union 2, the other end of the filter check valve is connected with a gas-liquid separation data collector 10 through a collector liquid inlet pipe 9, the contact end of the connecting union 2 and the filter check valve 5 is a spherical body, so that the connecting union 2 can rotate randomly within an angle range of +/-35 degrees and is fixedly connected with the filter check valve 5 through a union nut 3, and a sealing ring 4 is placed at the spherical body of the connecting union 2. A filter screen 6 is arranged in the one-way valve 5 of the filter, and the filter screen 6 is used for purifying solid particles and impurities in liquid and preventing impurity particles from entering the pump body to damage the pump body. In order to prevent liquid from flowing back, one side of the filter screen 6 is provided with a ball body 7, a drain pipe 8 is arranged below the one-way valve 5 of the filter, and the drain pipe 8 is used for discharging filtered impurities and removing impurity particles.
The gas-liquid separation data collector 10 separates oil and gas accompanied by oil and a sleeve through a gas-liquid separation baffle or a rotational flow gas-liquid separator, the separated gas is positioned at the upper part of the tank body of the gas-liquid separation data collector 10, and the separated liquid is positioned at the lower part of the tank body of the gas-liquid separation data collector 10.
The liquid outlet of the gas-liquid separation data acquisition unit 10 has two paths: the first path is input to a crude oil output pipeline through a collector liquid outlet pipe A11, a gear pump 12, a flowmeter 13, a collector liquid outlet pipe B14, a liquid pump outlet check valve 29, a liquid pump outlet gate valve 30, a liquid pump outlet check valve 32, a liquid pump outlet pipeline 33, a liquid pump outlet heat exchanger pipeline 34, a liquid pump outlet heat exchanger gate valve 36, a liquid pump outlet heat exchanger check valve 31, a liquid pump outlet recovery gate valve 40, a liquid pump outlet recovery check valve 41 and a recovery pipeline 43 which are connected in sequence. The second path is to input the heated liquid into the crude oil output pipeline through a collector liquid outlet pipe A11, a gear pump 12, a flowmeter 13, a collector liquid outlet pipe B14, a liquid pump outlet one-way valve 29, a liquid pump outlet gate valve 30, a liquid pump outlet one-way valve 32, a liquid pump outlet pipeline 33, a liquid pump outlet heat exchanger pipeline 34, a liquid pump outlet heat exchanger gate valve 36, a liquid pump outlet heat exchanger one-way valve 31, a liquid pump outlet heat exchanger pipeline 39, a heat exchanger inlet temperature controller 58 and a liquid pump outlet heat exchanger inlet gate valve 38 which are connected in sequence, and the heated liquid is input into the heat exchanger 53 through a heat exchanger outlet pipeline 54, a heat exchanger outlet temperature sensor 55, a heat exchanger outlet flowmeter 57, a heat exchanger outlet gate valve 56, a heat exchanger outlet pipeline 42 and a recovery pipeline 43.
When the temperature of the liquid separated by the gas-liquid separation data collector 10 reaches the set temperature, the heat exchanger inlet temperature controller 58 sends an instruction, the liquid pump outlet recovery gate valve 40 is opened, the liquid pump outlet heat exchanger inlet gate valve 38 is closed, and the liquid is input to the crude oil output pipeline through the first pipeline. When the temperature of the liquid separated by the gas-liquid separation data collector 10 is lower than the set temperature, the heat exchanger inlet temperature controller 58 sends an instruction, the liquid pump outlet heat exchanger inlet gate valve 38 is opened, the liquid pump outlet recovery gate valve 40 is closed, the liquid enters the heat exchanger 53 through the second pipeline, and is heated and then input to the crude oil output pipeline through the heat exchanger outlet pipeline 42 and the recovery pipeline 43.
The gas separated by the gas-liquid separation data collector 10 enters the gas storage tank 20 through a natural gas pump inlet pipeline 28, a natural gas pump 15, a natural gas pump outlet pipeline 16, a natural gas meter 17, a natural gas check valve 18 and a natural gas storage tank air inlet pipe 19 which are connected in sequence, the gas storage tank 20 stores a certain amount of gas and buffers pressure impact, so that the pressure of the output natural gas is more gentle, when the pressure reaches a set value, the gas storage tank 20 can automatically release the pressure, and the outlet of the gas storage tank 20 directly enters a crude oil output pipeline or enters a heating furnace 45 for combustion and heating according to the set pipeline.
The gas outlet of the gas storage tank 20 has two paths: the first path is that the crude oil is input to a crude oil output pipeline through a gas storage tank direct recovery outlet pipeline 25, a gas storage tank direct recovery outlet gate valve 26, a gas storage tank direct recovery outlet one-way valve 27, a liquid pump outlet gate valve 30, a liquid pump outlet one-way valve 32, a liquid pump outlet pipeline 33, a liquid pump outlet heat exchanger pipeline 34, a liquid pump outlet heat exchanger gate valve 36, a liquid pump outlet heat exchanger one-way valve 31, a liquid pump outlet recovery gate valve 40, a liquid pump outlet recovery one-way valve 41 and a recovery pipeline 43 which are connected in sequence. The second path is to enter a heating furnace 45 through a gas storage tank heating outlet pipeline 24, a gas storage tank heating outlet gate valve 23, a gas storage tank heating outlet one-way valve 22 and a pressure temperature control device 44 which are connected in sequence, and the heating furnace 45 heats the crude oil liquid by utilizing associated gas and natural gas combustion heating heat exchanger 53 output by the gas storage tank 20, so that the crude oil liquid is heated and keeps good fluidity.
The heat exchanger 53 converts the heat energy of the heating furnace 45 into the heat energy of the crude oil liquid, and when the temperature of the crude oil liquid entering the heat exchanger 53 is lower than a set temperature, the heat exchanger outlet temperature sensor 55 gives a command to start the heating furnace 45 to start working. When the crude oil liquid entering the heat exchanger 53 is higher than the set maximum temperature, the heat exchanger outlet temperature sensor 55 issues a command, and the heating furnace 45 stops operating. When the initial temperature of the crude oil liquid is higher than the set temperature, the liquid pump outlet recovery gate valve 40 is opened, the liquid pump outlet heat exchanger inlet gate valve 38 is closed, and the crude oil liquid directly enters the crude oil pipeline.
The gas storage tank 20 selects a first pipeline or a second pipeline as required, when the first pipeline is selected, the gas storage tank direct recovery outlet gate valve 26 is in an open state, and the gas storage tank heating outlet gate valve 23 is in a closed state. When the second pipeline is selected, the heating outlet gate valve 23 of the gas storage tank is in an open state, and the direct recovery outlet gate valve 26 of the gas storage tank is in a closed state.
As shown in fig. 1 and 5, when the crude oil liquid temperature drops to the set temperature, the heating outlet gate valve 23 of the gas storage tank is opened, the ignition program starts, the natural gas from the gas storage tank 20 is decompressed by the pressure and temperature control device 44 and enters the heating furnace 45, the ignition device 76 starts to ignite the combustion heating furnace head 75, and the ignition time can be arbitrarily set between 0 and 180 seconds (or can be automatically set to be more than 180 seconds) each time. When the natural gas is ignited, the flame monitor 77 issues a command and the ignition device 76 stops operating.
When the ignition device 76 does not ignite the natural gas within a set time, the flame monitor 77 has no instruction, the gas tank heating outlet gate valve 23 is closed, and the ignition device automatically stops working. At the same time, the powerful exhaust fan 78 is activated to remove unburned natural gas. The ignition program is started for the second time, a certain time is required to be separated from the ignition program for the first time (the specific interval time is determined according to different well conditions), and meanwhile, under the condition that the data provided by the combustible gas detector is safe, the heating outlet gate valve 23 of the gas storage tank is opened to carry out the second ignition. And if the ignition is unsuccessful, repeating the steps. When the temperature of the crude oil liquid rises to the set temperature, the heating outlet gate valve 23 of the gas storage tank is closed, and heating is stopped.
The heat exchanger 53 is connected with a heated medium pipeline of the heating furnace 45, a heating furnace inlet gate valve 50 is installed on a heating furnace inlet pipeline 51, a heating furnace outlet gate valve 49 is installed on a heating furnace outlet pipeline 48, when a liquid level sensor of the pressure water replenishing tank 47 is lower than a set liquid level, a water replenishing program is started, the pressure water replenishing tank 47 starts replenishing water, and when the set liquid level is reached, the pressure water replenishing tank 47 stops replenishing water.
The device also comprises a central control cabinet 52 and a computer, wherein the central control cabinet 52 is respectively connected with the gear pump 12 and the natural gas pump 15 through lines, and the gear pump 12 and the natural gas pump 15 can simultaneously operate or independently operate.
As shown in fig. 3 and 4, the gas-liquid separation data acquisition unit 10 is a mechanical data acquisition unit or a wireless transmission data acquisition unit.
As shown in fig. 3, the mechanical data collector includes a pressure sensor a60, a signal cylinder a61, a liquid level sensor a62, a liquid storage tank a63, a data collector liquid outlet a64, a push rod 65, a float 66, a positioning guide sleeve 67, a data collector liquid inlet B68, a liquid storage tank a63 of which is welded to a signal cylinder a61 arranged above, a pressure sensor a60 is installed above the signal cylinder a61, one end of the push rod 65 is screwed with the liquid level sensor a62, the other end is welded to the float 66, a liquid level sensor a62, the push rod 65 and the float 66 are suspended in the signal cylinder a61 through the positioning guide sleeve 67 in the signal cylinder a61, the positioning guide sleeve 67 is used for limiting the upper limit position of the float 66, and guiding the push rod 65 to prevent the push rod 65 from inclining and shifting, thereby ensuring that the liquid level sensor a62 can accurately send signals to a computer.
When the mechanical data collector collects liquid level data, the buoy 66 drives the ejector rod 65 to move up and down according to the liquid level in the liquid storage tank A63, the ejector rod 65 drives the liquid level sensor A62 to move up and down, the liquid level sensor A62 is triggered mechanically, the liquid level sensor A62 transmits signals to a computer after being triggered, the computer switches on or off the gear pump 12 according to the liquid level signals, when the liquid at the lower part of the tank body of the gas-liquid separation data collector 10 rises to reach the set liquid level, the liquid level sensor A62 sends out signals, the gear pump 12 is started to operate, liquid recovery is carried out, and when the liquid is recovered, a first pipeline or a second pipeline is selected to input the liquid into a crude oil output pipeline. When the liquid at the lower part of the tank body of the gas-liquid separation data acquisition device 10 descends to reach the set liquid level, the liquid level sensor A62 sends a signal, the gear pump 12 stops running, and the liquid recovery stops.
The mechanical data collector collects pressure data through the pressure sensor A60, the pressure sensor A60 transmits the collected pressure value to the computer, the computer analyzes and compares the set pressure value with the value transmitted by the pressure sensor A60 to judge whether to start or close the natural gas pump 15, when the pressure in the gas-liquid separation data collector 10 is higher than the set pressure, the natural gas pump 15 starts to press gas into the gas storage tank 20, and when the pressure in the gas-liquid separation data collector 10 is lower than the set pressure, the natural gas pump 15 stops running. When the pressure in the gas-liquid separation data collector 10 is higher than the pressure in the gas storage tank 20, the natural gas will automatically enter the gas storage tank 20 from the gas-liquid separation data collector 10.
As shown in fig. 4, the wireless transmission type data collector comprises a pressure sensor B69, a liquid level sensor B70, a signal cylinder B71, a liquid storage tank B72, a data collector liquid outlet a73 and a data collector liquid inlet B74, wherein the liquid storage tank B72 is welded with the signal cylinder B71 arranged above, and a pressure sensor 16 and a wireless liquid level sensor 22 are arranged above the signal cylinder B71.
When the wireless transmission type data acquisition device acquires liquid level data, the liquid level sensor B70 measures the liquid level of liquid through radio waves, and when the liquid level rises to reach a set height, the liquid level sensor B70 sends a telecommunication starting instruction, and the gear pump 12 is started. When the liquid level drops to the set height, the liquid level sensor B70 sends a stop telecommunication command, and the gear pump 12 stops.
The wireless transmission type data collector collects pressure data through the pressure sensor B69, the pressure sensor B69 transmits the collected pressure value to the computer, the computer analyzes and compares the set pressure value with the value transmitted by the pressure sensor B69 to judge whether to start or close the natural gas pump 15, when the pressure in the gas-liquid separation data collector 10 is higher than the set pressure, the natural gas pump 15 starts to press gas into the gas storage tank 20, and when the pressure in the gas-liquid separation data collector 10 is lower than the set pressure, the natural gas pump 15 stops running.
During maintenance, in order to prevent the liquid from flowing out and causing environmental pollution, the inlet gate valve 38 of the liquid pump outlet heat exchanger, the outlet gate valve 56 of the heat exchanger, the outlet gate valve 30 of the liquid pump and the wellhead valve 1 are temporarily closed, and the liquid and gas for normal oil production are input into the crude oil pipeline through the liquid pump outlet recovery pipeline 35, the liquid pump outlet heat exchanger gate valve 36, the liquid pump outlet recovery gate valve 40, the liquid pump outlet recovery check valve 41 and the recovery pipeline 43.
Claims (1)
1. The utility model provides an associated gas, liquid recovery recycle device, includes, well head valve (1), connects union (2), filter check valve (5), gas-liquid separation data collection station (10), gas holder (20), heat exchanger (53), heating furnace (45), central control cabinet (52) and computer, its characterized in that: well head valve (1) is connected through clamp (59) and connection union (2), and filter check valve (5) one end is connected with connection union (2) through union nut (3), and the other end is connected with gas-liquid separation data collection station (10) through collection station feed liquor pipe (9), gas-liquid separation data collection station (10) on have two exports, be respectively: the device comprises a liquid outlet and a gas outlet, wherein oil and oil liquid and gas generated by a sleeve are separated by a gas-liquid separation data collector (10), the separated gas is positioned at the upper part of a tank body of the gas-liquid separation data collector (10), the separated liquid is positioned at the lower part of the tank body of the gas-liquid separation data collector (10), the liquid outlet of the gas-liquid separation data collector (10) is divided into two pipelines to be connected with a crude oil output pipeline, and the first pipeline of the liquid outlet of the gas-liquid separation data collector (10) is a collector liquid outlet pipe A (11), a gear pump (12), a flowmeter (13), a collector liquid outlet pipe B (14), a liquid pump outlet check valve (29), a liquid pump outlet gate valve (30), a liquid pump outlet check valve (32), a liquid pump outlet pipeline (33), a liquid pump outlet heat exchanger pipeline (34), a liquid pump outlet heat exchanger gate valve (36), A liquid pump outlet heat exchanger one-way valve (31), a liquid pump outlet recovery gate valve (40), a liquid pump outlet recovery one-way valve (41) and a recovery pipeline (43) are input into a crude oil output pipeline;
the second pipeline of the liquid outlet of the data collector (10) is a pipeline which is formed by sequentially connecting a collector liquid outlet pipe A (11), a gear pump (12), a flowmeter (13), a collector liquid outlet pipe B (14), a liquid pump outlet one-way valve (29), a liquid pump outlet gate valve (30), a liquid pump outlet one-way valve (32), a liquid pump outlet pipe line (33), a liquid pump outlet heat exchanger pipeline (34), a liquid pump outlet heat exchanger gate valve (36), a liquid pump outlet heat exchanger one-way valve (31), a liquid pump outlet heat exchanger pipeline (39), a heat exchanger inlet temperature controller (58) and a liquid pump outlet heat exchanger inlet gate valve (38) and enters a heat exchanger (53), and the heated liquid passes through a heat exchanger outlet pipeline (54), a heat exchanger outlet temperature sensor (55), a heat exchanger outlet flowmeter (57), a heat exchanger outlet gate valve (56), The heat exchanger outlet pipeline (42) and the recovery pipeline (43) are input into a crude oil output pipeline; when the temperature of liquid separated by the gas-liquid separation data collector (10) reaches a set temperature, a heat exchanger inlet temperature controller (58) sends an instruction, a liquid pump outlet recovery gate valve (40) is opened, a liquid pump outlet heat exchanger inlet gate valve (38) is closed, liquid is input into a crude oil output pipeline through a first pipeline, when the temperature of liquid separated by the gas-liquid separation data collector (10) is lower than the set temperature, the heat exchanger inlet temperature controller (58) sends an instruction, the liquid pump outlet heat exchanger inlet gate valve (38) is opened, the liquid pump outlet recovery gate valve (40) is closed, liquid enters a heat exchanger (53) through a second pipeline, and the heated liquid is input into the crude oil output pipeline through a heat exchanger outlet pipeline (42) and a recovery pipeline (43);
the gas outlet of the gas-liquid separation data acquisition unit (10) is connected with the gas storage tank (20) through a pipeline, the gas outlet of the gas storage tank (20) comprises two pipelines, the first pipeline is connected with a crude oil output pipeline, the other pipeline is connected with the heating furnace (45), and the heating furnace (45) heats the heat exchanger (53) by combusting associated gas and natural gas output by the gas storage tank (20), so that crude oil liquid is heated, and the crude oil liquid keeps good fluidity;
a first pipeline of a gas outlet of the gas storage tank (20) is input to a crude oil output pipeline through a gas storage tank direct recovery outlet pipeline (25), a gas storage tank direct recovery outlet gate valve (26), a gas storage tank direct recovery outlet one-way valve (27), a liquid pump outlet gate valve (30), a liquid pump outlet one-way valve (32), a liquid pump outlet pipeline (33), a liquid pump outlet heat exchanger pipeline (34), a liquid pump outlet heat exchanger gate valve (36), a liquid pump outlet heat exchanger one-way valve (31), a liquid pump outlet recovery gate valve (40), a liquid pump outlet recovery one-way valve (41) and a recovery pipeline (43) which are sequentially connected, when the first pipeline is selected, the gas storage tank direct recovery outlet gate valve (26) is in an open state, and the gas storage tank heating outlet gate valve (23) is in a closed state;
a second pipeline of a gas outlet of the gas storage tank (20) enters a heating furnace (45) through a gas storage tank heating outlet pipeline (24), a gas storage tank heating outlet gate valve (23), a gas storage tank heating outlet one-way valve (22) and a pressure and temperature control device (44) which are sequentially connected, when the second pipeline is selected, the gas storage tank heating outlet gate valve (23) is in an open state, and the gas storage tank direct recovery outlet gate valve (26) is in a closed state;
when the crude oil liquid entering the heat exchanger (53) is lower than the set temperature, the heat exchanger outlet temperature sensor (55) sends an instruction, the heating furnace (45) is started to work, and when the crude oil liquid entering the heat exchanger (53) is higher than the set maximum temperature, the heat exchanger outlet temperature sensor (55) sends an instruction, and the heating furnace (45) stops working;
a liquid level sensor of the gas-liquid separation data acquisition unit (10) transmits acquired liquid level data and signals to a computer, and the computer switches on or off the gear pump (12) according to the liquid level signals; when liquid at the lower part of a tank body of a gas-liquid separation data acquisition unit (10) rises to reach a set liquid level, a signal is sent out, a gear pump (12) is started to operate, liquid recovery is carried out, and when the liquid is recovered, a first pipeline or a second pipeline is selected to input the liquid into a crude oil output pipeline; when the liquid at the lower part of the tank body of the gas-liquid separation data acquisition unit (10) descends to reach a set liquid level, a signal is sent out, the gear pump (12) is stopped to operate, and the liquid recovery is stopped;
the gas separated by the gas-liquid separation data collector (10) enters the gas storage tank (20) through a natural gas pump inlet pipeline (28), a natural gas pump (15), a natural gas pump outlet pipeline (16), a natural gas meter (17), a natural gas one-way valve (18) and a natural gas storage tank air inlet pipe (19) which are connected in sequence, the gas storage tank (20) stores a certain amount of gas and buffers pressure impact, so that the pressure of the output natural gas is more gentle, when the pressure reaches a set value, the gas storage tank (20) can automatically release pressure, and the outlet of the gas storage tank (20) directly enters a crude oil output pipeline or a heating furnace (45) for combustion and heating according to the set pipeline;
the pressure sensor of the gas-liquid separation data collector (10) sends collected pressure data and signals to the computer, and the computer analyzes and compares the set pressure value with the value transmitted by the pressure sensor to judge whether to start or close the natural gas pump (15); when the pressure in the tank body of the gas-liquid separation data acquisition unit (10) is higher than the set pressure, the natural gas pump (15) is started to press gas into the gas storage tank (20); when the pressure in the tank body of the gas-liquid separation data acquisition unit (10) is smaller than the set pressure, the natural gas pump (15) stops running; when the pressure in the gas-liquid separation data collector (10) is higher than the pressure of the gas storage tank (20), the natural gas can automatically enter the gas storage tank (20) from the gas-liquid separation data collector (10);
when the temperature of crude oil liquid is reduced to a set temperature, a heating outlet gate valve (23) of a gas storage tank is opened, an ignition program is started, natural gas from the gas storage tank (20) is decompressed through a pressure and temperature control device (44) and enters a heating furnace (45), an ignition device (76) starts to ignite a combustion heating furnace end (75), and after the natural gas is ignited, a flame monitor (77) sends an instruction, and the ignition device (76) stops working;
when the temperature of the crude oil liquid rises to the set temperature, the heating outlet gate valve (23) of the gas storage tank is closed, and the heating furnace (45) stops heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010405389.3A CN111396023B (en) | 2020-05-14 | 2020-05-14 | Associated gas and liquid recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010405389.3A CN111396023B (en) | 2020-05-14 | 2020-05-14 | Associated gas and liquid recycling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111396023A CN111396023A (en) | 2020-07-10 |
| CN111396023B true CN111396023B (en) | 2022-03-25 |
Family
ID=71437558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010405389.3A Active CN111396023B (en) | 2020-05-14 | 2020-05-14 | Associated gas and liquid recycling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111396023B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417598B (en) * | 2021-07-22 | 2021-12-24 | 齐冬雪 | Anti-freezing and anti-blocking single-pipe wellhead flow device |
| CN115949379B (en) * | 2023-03-08 | 2023-09-05 | 黑龙江铸力石油机械制造有限责任公司 | Oil increasing device and oil extraction device with same |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2230765A1 (en) * | 1998-03-02 | 1999-09-02 | Craig Nykyforuk | Wellhead separation system |
| CN2382834Y (en) * | 1999-04-14 | 2000-06-14 | 石玉和 | Full automatic oil well energy saving heating stove |
| CN2871826Y (en) * | 2005-06-03 | 2007-02-21 | 凌建军 | Self-circulating hot-washing wax remover of oil well having no harm to pay |
| US8753500B2 (en) * | 2009-12-31 | 2014-06-17 | Chevron U.S.A. Inc. | Process and system for blending synthetic and natural crude oils derived from offshore produced fluids |
| CN101890284A (en) * | 2010-07-15 | 2010-11-24 | 胜利油田胜利勘察设计研究院有限公司 | Method and device for obtaining CO2 from discharged gas fume |
| CN102766496A (en) * | 2012-08-03 | 2012-11-07 | 刘恩东 | Method for recycling oil field gas |
| CN103628857B (en) * | 2012-08-23 | 2016-06-08 | 中国石油天然气股份有限公司 | Crude oil gas-liquid separation process integrated approach and equipment thereof |
| CN204646189U (en) * | 2015-01-12 | 2015-09-16 | 中国石油大学(华东) | A kind of high-pressure spray formula associated gas reclaimer |
| CN105422320A (en) * | 2015-12-22 | 2016-03-23 | 中石化节能环保工程科技有限公司 | Oil field distributed energy utilization method and system used by same |
| CN106522893B (en) * | 2016-12-22 | 2018-08-24 | 河北众杰石油设备修理有限公司 | Casing oil recovery apparatus and technique |
| CN107202425A (en) * | 2017-04-17 | 2017-09-26 | 新奥泛能网络科技股份有限公司 | Water heater end adjusting means and the water heater components with it |
| CN109424352A (en) * | 2017-08-25 | 2019-03-05 | 中国石油天然气股份有限公司 | A kind of crude separating device |
| CN209195357U (en) * | 2018-10-16 | 2019-08-02 | 中国石油天然气股份有限公司 | Heating device |
-
2020
- 2020-05-14 CN CN202010405389.3A patent/CN111396023B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111396023A (en) | 2020-07-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111396023B (en) | Associated gas and liquid recycling device | |
| CN106147803B (en) | Pressure adjusting device and method for coking chamber of coke oven | |
| CN104073581A (en) | Process method and device for forcibly recovering diffused gas of blast furnace | |
| CN105065908B (en) | A kind of sulfur-containing gas gas collection integrated device | |
| CN109234482B (en) | Full recovery system for coal gas diffused by blast furnace top charging bucket and safety maintenance method thereof | |
| CN106545749A (en) | A kind of liquid source supply device | |
| CN104930542A (en) | Ultra-supercritical coal-fired boiler unit start adjusting method and system | |
| CN111897027A (en) | Anti-blocking detection cleaning device and method for CEMS probe | |
| CN205618107U (en) | Light maintenance operation oil field well workover system | |
| CN203923225U (en) | Force to reclaim the device of blast furnace out-spreading coal gas | |
| CN202237717U (en) | Adsorption tower entrance flushing and temperature reducing device in flue gas desulfurization system | |
| CN201304313Y (en) | Dry bag-type dust exhaust device for gas gasification burner | |
| CN207829841U (en) | A kind of level pressure tapping equipment that well mouth of oil well set is calmed the anger | |
| CN107723011B (en) | Method for online water cutting of hole-pulling of negative pressure gas system | |
| CN106268127B (en) | V2O5Reduction kiln restores exhaust gas recovery system and recovery process | |
| CN215892343U (en) | Multi-element thermal fluid generating device | |
| CN102218257A (en) | Absorption column inlet flushing and desuperheating device in smoke gas desulfurization system | |
| CN210176883U (en) | Comprehensive purification and recovery system for pressure-equalizing and bleeding coal gas of blast furnace charging bucket | |
| CN106351611A (en) | Automatic environment-friendly combustion device for open flow of gas well | |
| CN211038840U (en) | Device for improving running stability of gas turbine of IGCC power station in winter | |
| CN208920078U (en) | A kind of flare gas recovery processing system for power generation | |
| CN201250791Y (en) | Water sealing system for gas compressor | |
| CN218954625U (en) | But oil-gas separation's intelligent BOG recovery unit | |
| CN203036853U (en) | Intelligent windproof cap | |
| CN209196831U (en) | A kind of boiler drum priming apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |