CN210858709U - Single-well crude oil water content analysis device - Google Patents
Single-well crude oil water content analysis device Download PDFInfo
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- CN210858709U CN210858709U CN201920737907.4U CN201920737907U CN210858709U CN 210858709 U CN210858709 U CN 210858709U CN 201920737907 U CN201920737907 U CN 201920737907U CN 210858709 U CN210858709 U CN 210858709U
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Abstract
The utility model belongs to the technical field of the analysis monitoring of crude oil contains water, especially, relate to a single well crude oil contains water analytical equipment. The utility model discloses a sensor shell that has sensor detection window on the lateral wall, the sensor module that is connected with sensor shell and the setting of the control terminal of sensor module signal connection, when the moisture scope is 0-3%, the precision height reaches 0.1%; when the water content is 3-100%, the precision is up to +/-1%; adopt the utility model discloses the single well crude oil water content analysis who goes on is 100 times faster than traditional chemical examination method, saves manpower resources by a wide margin. Use the utility model discloses the single well crude oil water content analysis who goes on practices thrift assay consumptive materials such as gasoline, direct reduction in production cost than traditional assay method. Adopt the utility model discloses the aqueous analysis of single well crude oil that goes on can real-time supervision well head crude oil moisture content, changes numerous and diverse into simple, and convenient quick management oil recovery production. The utility model discloses a remote supervision well head can in time prevent to steal the oil incident.
Description
Technical Field
The utility model belongs to the technical field of the analysis monitoring of crude oil contains water, especially, relate to a single well crude oil contains water analytical equipment.
Background
The water content of the crude oil of a single well is an important parameter for oil extraction production, the change of the water content of the crude oil of the well head is mastered in time, and the method is very important for dynamic analysis, working conditions and production management of an oil well. Since the automatic monitoring and metering technology for single-well production is a blank, the problem of single-well automatic monitoring and metering is becoming more and more prominent today when establishing digital oil fields. The main points are as follows: (1) at present, the water content is measured in single well production, and the traditional manual measurement is still adopted. The method has long sampling and testing time, high labor intensity and high consumption of manpower and material resources. (2) The traditional method cannot find the underground geological change phenomenon in time, so that the oil production is guided to lag. (3) The manual three-point sampling assay calculates the average water cut value by point surface, cannot represent the real average water cut value in all liquid in the whole single well production, and cannot be effectively, comprehensively and timely mastered and controlled. (4) The phenomenon of oil stealing at well mouths often occurs in various places, which causes loss to oil fields and brings trouble to leaders' management. (5) The liquid is spattered easily to traditional sample connection causes well head environmental pollution, and is clean can't guarantee.
SUMMERY OF THE UTILITY MODEL
The utility model provides a single-well crude oil water content analysis device, and aims to provide a single-well crude oil water content analysis device which has accurate crude oil water content analysis data, does not need manual test and is unattended; the second purpose is to provide a single-well crude oil water-containing analysis device which can detect the natural and artificial conditions of a wellhead in real time and in an environment-friendly manner.
In order to achieve the above object, the utility model adopts the following technical scheme:
a single-well crude oil water content analysis device comprises
The side wall of the sensor shell is provided with a sensor detection window;
the sensor module is connected in the sensor shell;
the explosion-proof junction box is connected to one end outside the sensor shell and is electrically connected with the sensor module;
and the remote control terminal is in electric signal connection with the explosion-proof junction box.
The sensor module comprises a crude oil water content analysis processing unit, a radio frequency signal receiver, a radio frequency signal generator, a sensor detection probe and a conical sensor plug; the crude oil water content analysis processing unit, the radio frequency signal receiver, the radio frequency signal generator, the sensor probe and the sensor plug are sequentially connected from top to bottom; the crude oil water content analysis and processing unit is connected to one end in the sensor shell and is connected with the explosion-proof junction box; the sensor plug is connected to the end head at the other end of the sensor shell and extends out of the sensor shell; the sensor detection probe corresponds to a sensor detection window formed in the side wall of the sensor shell in position.
The sensor plug is in a round table shape, and one end with a small round area is connected with the sensor detection window.
The crude oil water content analysis processing unit comprises an analysis processor, a communication circuit, a data memory and a high-precision analog-to-digital converter; the analysis processor, the communication circuit, the data memory and the high-precision analog-to-digital converter are sequentially connected from top to bottom; the analysis processor and the communication circuit are connected with the explosion-proof junction box.
The explosion-proof junction box is an integrated structure consisting of a cylinder and a hollow cylindrical body with an opening at the bottom surface; the inner side wall of the open end of the hollow cylindrical body is provided with threads, and the end surface of the cylinder connected with the hollow cylindrical body is connected with the crude oil water-containing analysis processing unit.
The explosion-proof hose and the explosion-proof hose joint are also included; the explosion-proof hose is connected with the explosion-proof junction box through an explosion-proof hose joint.
The remote control terminal comprises a remote terminal control system, a PLC, a router and a human-computer interface touch screen; the input interface of the remote terminal control system is in electrical signal connection with the output signal end of the sensor module, the output end of the remote terminal control system is in electrical signal connection with the input end of the router and the input end of the PLC, the output end of the router is in electrical signal connection with the optical fiber, and the output end of the PLC is in electrical signal connection with the input end of the human-computer interface touch screen.
The explosion-proof hose and the explosion-proof hose joint are also included; the explosion-proof hose is connected with an explosion-proof junction box through an explosion-proof hose joint; the sensor module comprises a crude oil water content analysis processing unit, a radio frequency signal receiver, a radio frequency signal generator, a sensor detection probe and a conical sensor plug; the crude oil water content analysis processing unit, the radio frequency signal receiver, the radio frequency signal generator, the sensor probe and the sensor plug are sequentially connected from top to bottom; the crude oil water content analysis and processing unit is connected to one end in the sensor shell and is connected with the explosion-proof junction box; the sensor plug is connected to the end head at the other end of the sensor shell and extends out of the sensor shell; the sensor detection probe and the sensor detection window arranged on the side wall of the sensor shell are in a truncated cone shape corresponding to the sensor plug, and one end with a small circular area is connected with the sensor detection window; the crude oil water content analysis processing unit comprises an analysis processor, a communication circuit, a data memory and a high-precision analog-to-digital converter; the analysis processor, the communication circuit, the data memory and the high-precision analog-to-digital converter are sequentially connected from top to bottom; the analysis processor and the communication circuit are connected with the explosion-proof junction box; the explosion-proof junction box is an integrated structure consisting of a cylinder and a hollow cylindrical body with an opening at the bottom surface; the inner side wall of the open end of the hollow cylindrical body is provided with threads, and the end surface of the cylinder connected with the hollow cylindrical body is connected with a crude oil water-containing analysis processing unit; the remote control terminal comprises a remote terminal control system, a PLC, a router and a human-computer interface touch screen; the input interface of the remote terminal control system is in electrical signal connection with the output signal end of the sensor module, the output end of the remote terminal control system is in electrical signal connection with the input end of the router and the input end of the PLC, the output end of the router is in electrical signal connection with the optical fiber, and the output end of the PLC is in electrical signal connection with the input end of the human-computer interface touch screen.
Has the advantages that:
the utility model discloses an it has sensor detection window's sensor housing, the sensor module of being connected with sensor housing, the setting of connecting in the outer one end of sensor housing and with sensor module signal connection's explosion-proof terminal box and with sensor module signal connection's control terminal to open on the lateral wall, has following beneficial effect:
(1) when the water content of the single-well crude oil is analyzed by adopting the device, the precision is up to +/-0.1% when the water content is 0-3%; when the water content is in the range of 3-100%, the precision is up to +/-1%.
(2) Adopt the utility model discloses the single well crude oil water content analysis who goes on is 100 times faster than traditional chemical examination method, saves manpower resources by a wide margin.
(3) Adopt the utility model discloses the aqueous analysis of single well crude oil that goes on, save assay consumptive material such as gasoline, direct reduction in production cost than traditional assay method.
(4) Adopt the utility model discloses the aqueous analysis of single well crude oil that goes on can real-time supervision well head crude oil moisture content, changes numerous and diverse into simple, and convenient quick management oil recovery production.
(5) The utility model discloses a remote supervision well head can in time prevent to steal the oil incident.
At present, a single-well crude oil water content analysis device is the most advanced automatic technology for monitoring the water content of crude oil at a well mouth, and the technology is successfully popularized and applied in the oil field industry, and brings great economic benefits and social benefits for oil field users, such as prevention of oil theft crime, prevention of environmental pollution and the like.
The above description is only an overview of the technical solution of the present invention, and in order to clearly understand the technical means of the present invention and to implement the technical solution according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is the schematic structural diagram of the single-well crude oil water content analysis device of the present invention.
In the figure: 1-explosion-proof threading hose; 2-explosion-proof hose connector; 3-explosion-proof junction box; 4-an analysis processor and a communication circuit; 5-a data memory; 6-high precision analog-to-digital converter; 7-a radio frequency signal receiver; 8-a sensor module; 9-a radio frequency signal generator; 10-sensor probe; 11-sensor detection window; 12-sensor plug; 13-a wellhead flowline; 14-a flow oil pipe; 15-oil measuring pipe; 16-sensor housing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
a single well crude oil water content analysis device as shown in figure 1 comprises
A sensor shell 16, wherein a sensor detection window 11 is formed on the side wall of the sensor shell 16;
a sensor module 8, the sensor module 8 being connected within the sensor housing 16;
the explosion-proof junction box 3 is connected to one end outside the sensor shell 16 and is electrically connected with the sensor module 8;
and the remote control terminal is in electric signal connection with the explosion-proof junction box 3.
When in actual use, will the utility model discloses be connected with well head oil outlet line 13, after connecting, turn off the beam-pumping unit oil well, stop 3 ~ 5 minutes, turn off connecting oil line 1, the gate valve on flow oil pipe 14 and the buret pipe 15, the oil discharge is pressed to 0, single well crude oil water content analytical equipment is connected with well head oil outlet line 13, with the 220V power cord, single well crude oil water content analytical equipment shell is through static cross-over connection wire with earth ground good, after accomplishing, open well head oil outlet line 13 upper gate valve, the flow oil pipe 14 upper gate valve is closed, buret pipe 15 upper gate valve is opened, let in 220V voltage for single well crude oil water content analytical equipment; the sensor module acquires the water content data of the single-well crude oil and transmits the data to the control terminal, and the control terminal records and analyzes the water content data of the single-well crude oil; and then the single-well crude oil water content analysis device stops working, the gate valve on the wellhead oil outlet pipeline 13 is opened, the gate valve on the flow pipe 14 is opened, the gate valve on the metering pipe 15 is closed, and the whole process is completed.
The utility model discloses adaptation crude oil medium moisture content is at 0 ~ 100% range analysis, can be fast accurately real-time supervision well head crude oil moisture content, and the complex becomes simple, and convenient quick management oil production, the utility model discloses can the remote supervision well head steal oil. The device has the characteristics of small volume, high precision, no maintenance and the like.
The water content of the single-well crude oil is analyzed by adopting the technical scheme of the utility model, which is 100 times faster than the traditional chemical examination method, thereby greatly saving human resources; compared with the traditional chemical examination method, the single-well crude oil water-containing analysis of the utility model saves chemical examination consumables such as gasoline and the like, and directly reduces the production cost; the water content of the crude oil in a single well can be monitored in real time by adopting the water content analysis device, the water content of the crude oil in the well mouth can be simplified, and the oil production can be managed conveniently and rapidly; the utility model discloses a remote supervision well head can in time prevent to steal the oil incident.
Example two:
according to a single-well crude oil water-containing analysis device shown in FIG. 1, the difference from the first embodiment is that: the sensor module 8 comprises a crude oil water content analysis processing unit, a radio frequency signal receiver 7, a radio frequency signal generator 9, a sensor detection probe 10 and a conical sensor plug 12; the crude oil water content analysis processing unit, the radio frequency signal receiver 7, the radio frequency signal generator 9, the sensor probe 10 and the sensor plug 12 are sequentially connected from top to bottom; the crude oil water content analysis and processing unit is connected to one end in the sensor shell 16 and is connected with the explosion-proof junction box 3; the sensor plug 12 is connected to the other end of the sensor shell 16 and extends out of the sensor shell 16; the sensor detection probe 10 corresponds to the position of the sensor detection window 11 formed on the side wall of the sensor housing 16.
In actual use, the sensor probe 10 is electrically connected with the radio frequency signal generator 9, the radio frequency signal generator 9 is photoelectrically coupled with the radio frequency signal receiver 7, and the radio frequency signal receiver 7 is electrically connected with the crude oil water content analysis processing unit. The sensor probe 10 is used for sensing a medium signal of the crude oil to be detected, the radio frequency signal generator 9 sends a collected signal to the radio frequency signal receiver 7, the radio frequency signal receiver 7 is analyzed and processed by the crude oil water content analysis processing unit to change the water content into a standard electric signal 4-20mA signal and an RS-485 signal to be output, and the water content of the crude oil at the well head is rapidly and accurately monitored in real time. The technical proposal of the utility model is simplified, the oil production is managed conveniently and rapidly, and the recovery ratio is improved.
The utility model discloses mounted position and direction are not limited, as long as guarantee that the crude oil flows outdated be full of device sensor probe 10 can, can carry out measurement analysis to the moisture content of single well crude oil, can real-time supervision well head crude oil moisture content's change state, when the moisture content scope is 0-3%, the precision height reaches 0.1%; when the water content is in the range of 3-100%, the precision is up to +/-1%. Compared with the traditional chemical examination method, the method is 100 times faster, greatly saves human resources, saves chemical examination consumables such as gasoline and the like, and directly reduces the production cost.
The utility model discloses transmission shortwave frequency is the low frequency signal of steady frequency constant amplitude, does not have any influence to human body and environment, belongs to safety, environmental protection, energy-saving product, accords with safe environmental protection requirement.
Example three:
the single-well crude oil water-containing analysis device shown in the figure 1 is different from the second embodiment in that: the sensor plug 12 is in a shape of a truncated cone, and one end with a small circular area is connected with the sensor detection window 11.
In practical use, the sensor plug 12 of the technical scheme can be used for conveniently mounting one end of the sensor unit to prevent crude oil from entering the sensor internal unit to damage internal electrical components, and can reduce pressure damage of crude oil on an oil supply pipeline to the sensor detection window 11.
Example four:
the single-well crude oil water-containing analysis device shown in the figure 1 is different from the second embodiment in that: the crude oil water content analysis processing unit comprises an analysis processor, a communication circuit 4, a data memory 5 and a high-precision analog-to-digital converter 6; the analysis processor and the communication circuit 4, the data memory 5 and the high-precision analog-to-digital converter 6 are sequentially connected from top to bottom; and the communication circuit 4 is connected with the explosion-proof junction box 3.
In practical use, the radio frequency signal receiver 7 converts the water content into standard signals 4-20mA and RS485 for output after analysis processing through the high-precision analog-digital converter 6, the data memory 5, the analysis processor and the communication circuit 4. Adopt the technical scheme of the utility model, can be fast accurate real-time supervision single well crude oil moisture content.
In this embodiment, the model of the analysis processor is 80C196KC, and the model of the high-precision analog-to-digital converter is a/D-YJBH.
Example five:
the single-well crude oil water-containing analysis device shown in the figure 1 is different from the second embodiment in that: the explosion-proof junction box 3 is an integrated structure consisting of a cylinder and a hollow cylindrical body with an open bottom surface; the inner side wall of the open end of the hollow cylindrical body is provided with threads, and the end surface of the cylinder connected with the hollow cylindrical body is connected with the crude oil water-containing analysis processing unit.
When in actual use, the screw thread is opened to cavity cylindricality open end inside wall, be used for the utility model discloses be connected with well head oil line 13, use threaded connection, can be convenient general the utility model discloses install and dismantle with well head oil line 13.
Example six:
according to a single-well crude oil water-containing analysis device shown in FIG. 1, the difference from the first embodiment is that: the explosion-proof hose joint also comprises an explosion-proof hose 1 and an explosion-proof hose joint 2; the explosion-proof hose 1 is connected with an explosion-proof junction box 3 through an explosion-proof hose joint 2.
When the explosion-proof junction box is actually used, a power line and a signal line penetrate into the explosion-proof hose 1 firstly during installation, then the explosion-proof hose 1 is connected with the explosion-proof hose joint 2, and then the power line and the signal line penetrate into the explosion-proof junction box 3. Can guarantee the utility model discloses can be safe, last carry out acquisition, transmission and the analysis of single well crude oil moisture data.
Example seven:
according to a single-well crude oil water-containing analysis device shown in FIG. 1, the difference from the first embodiment is that: the remote control terminal comprises a remote terminal control system, a PLC, a router and a human-computer interface touch screen; remote terminal control system input interface and the 8 output signal end electric signal connection of sensor module, remote terminal control system output and router input, PLC input electric signal connection, router output and the signal connection of optic fibre electricity, PLC output and man-machine interface touch-sensitive screen input electric signal connection.
In practical use, after standard electric signals of 4-20mA and RS485 are sent to an input interface of a remote terminal control system by the single-well crude oil water content analysis device and processed and analyzed by a PLC (programmable logic controller), on one hand, a crude oil water content analysis signal is sent to a router and sent to an optical fiber by the router to be uploaded to a remote monitoring SCADA (supervisory control and data acquisition) system, so that digital remote crude oil water content analysis is realized; on the other hand, the water content analysis signal is sent to a human-computer interface touch screen, and in-situ crude oil water content analysis is realized.
In the embodiment, the man-machine interface touch screen communication adopts a Modbus RTU485 protocol, a Baud rate of 9600bps, 8 data bits, 1 stop bit and no check bit. The PLC adopts Siemens S7-300PLC, the remote terminal control system adopts a self-developed CQ-YCJK type control system, and the remote terminal control system has the characteristics of longer communication distance, suitability for various severe industrial fields and convenience for expansion of modular structural design.
Example eight:
according to a single-well crude oil water-containing analysis device shown in FIG. 1, the difference from the first embodiment is that: the explosion-proof hose joint also comprises an explosion-proof hose 1 and an explosion-proof hose joint 2; the explosion-proof hose 1 is connected with an explosion-proof junction box 3 through an explosion-proof hose joint 2; the sensor module 8 comprises a crude oil water content analysis processing unit, a radio frequency signal receiver 7, a radio frequency signal generator 9, a sensor detection probe 10 and a conical sensor plug 12; the crude oil water content analysis processing unit, the radio frequency signal receiver 7, the radio frequency signal generator 9, the sensor probe 10 and the sensor plug 12 are sequentially connected from top to bottom; the crude oil water content analysis and processing unit is connected to one end in the sensor shell 16 and is connected with the explosion-proof junction box 3; the sensor plug 12 is connected to the other end of the sensor shell 16 and extends out of the sensor shell 16; the sensor detection probe 10 and the sensor detection window 11 formed on the side wall of the sensor shell 16 are in a truncated cone shape corresponding to the sensor plug 12, and one end with a small circular area is connected with the sensor detection window 11; the crude oil water content analysis processing unit comprises an analysis processor, a communication circuit 4, a data memory 5 and a high-precision analog-to-digital converter 6; the analysis processor and the communication circuit 4, the data memory 5 and the high-precision analog-to-digital converter 6 are sequentially connected from top to bottom; the analysis processor and the communication circuit 4 are connected with the explosion-proof junction box 3; the explosion-proof junction box 3 is an integrated structure consisting of a cylinder and a hollow cylindrical body with an open bottom surface; the inner side wall of the open end of the hollow cylindrical body is provided with threads, and the end surface of the cylinder connected with the hollow cylindrical body is connected with a crude oil water-containing analysis processing unit; the remote control terminal comprises a remote terminal control system, a PLC, a router and a human-computer interface touch screen; remote terminal control system input interface and the 8 output signal end electric signal connection of sensor module, remote terminal control system output and router input, PLC input electric signal connection, router output and the signal connection of optic fibre electricity, PLC output and man-machine interface touch-sensitive screen input electric signal connection.
When in actual use, the single-well crude oil water content analysis performed by the utility model has the high precision of +/-0.1% when the water content is 0-3%; when the water content is in the range of 3-100%, the precision is up to +/-1%. Adopt the utility model discloses the single well crude oil water content analysis who goes on is 100 times faster than traditional chemical examination method, saves manpower resources by a wide margin. Adopt the utility model discloses the aqueous analysis of single well crude oil that goes on, save assay consumptive material such as gasoline, direct reduction in production cost than traditional assay method. Adopt the utility model discloses the aqueous analysis of single well crude oil that goes on can real-time supervision well head crude oil moisture content, changes numerous and diverse into simple, and convenient quick management oil recovery production. The utility model discloses a remote supervision well head can in time prevent to steal the oil incident. Sensor housing 16 in this embodiment is stainless steel, can guarantee the utility model discloses carry out accurate measurement in adverse circumstances for a long time.
Example nine:
the single-well crude oil water content analysis method comprises the following steps
The method comprises the following steps: installation single well crude oil water content analysis device
Turning off an oil well of the oil pumping unit, staying for 3-5 minutes, turning off gate valves on a connecting oil pipeline 13, a flow oil pipe 14 and an oil measuring pipe 15, discharging oil and pressing to 0, connecting the single-well crude oil water content analysis device with a wellhead oil outlet pipeline 13, penetrating a 220V power line and a signal line from an explosion-proof hose 1, connecting the explosion-proof junction box 3 through an explosion-proof joint 2, grounding a sensor shell 16 with the ground through an electrostatic jumper wire, and enabling the ground depth of a metal protection pipe to be 450-550 mm to reach a remote control terminal;
step two: the single-well crude oil water content analysis device starts to work
After the first step is completed, opening a gate valve on a wellhead oil outlet pipeline 13, enabling crude oil in an oil well to enter the oil outlet pipeline 13, closing the gate valve on a flow pipe 14, opening the gate valve on a metering pipe 15, and introducing 220V voltage to a single-well crude oil water content analysis device;
step three: single well crude oil water content data acquisition
After the second step is finished, opening gate valves on an oil pipeline 13, an oil flow pipeline 14 and an oil measuring pipeline 15 which are connected with the single-well crude oil water content analysis device, starting the single-well crude oil water content analysis device to work, detecting water content in crude oil by a crude oil water content analysis sensor probe 10, starting an oil pumping unit to work, after oil well oil output is stable, carrying out zero point calibration and full point calibration, displaying the water content of the single-well crude oil on site through a human-computer interface touch screen through a PLC (programmable logic controller), and monitoring the change condition of the water content of the single-well crude oil at a wellhead;
step four: recording and transmission of single-well crude oil water content data
The remote control terminal automatically acquires and detects the water content of the crude oil every 20-30 seconds and records and stores data, the average of the water content of the crude oil of a single well is recorded every day and is used as the water content of the crude oil of the well, and the control terminal analyzes and processes the water content of the crude oil;
step five: single well crude oil water content analysis device stop
And after the fourth step is finished, stopping the operation of the single-well crude oil water content analysis device, opening the gate valve on the wellhead oil outlet pipeline 13, opening the gate valve on the flow pipe 14, and closing the gate valve on the metering pipe 15.
In practical use, firstly, the oil well of the oil pumping machine is turned off, the oil well stays for 3-5 minutes, gate valves on the connecting oil pipeline 13, the oil flow pipe 14 and the oil measuring pipe 15 are turned off, the oil release pressure is 0, the single-well crude oil water content analysis device is connected with the wellhead oil outlet pipeline 13, a 220V power line and a signal line penetrate through the explosion-proof hose 1, pass through the explosion-proof joint 2, and are connected with the explosion-proof junction box 3 according to requirements. In order to ensure the stability and reliability of the test result, the single-well crude oil water-containing analysis device shell is well grounded with the ground through an electrostatic jumper wire. The buried depth of the metal protective pipe is 500mm to the PLC terminal. When the single-well crude oil water-containing analysis device works: the gate valve on the wellhead flowline 13 is opened, the gate valve on the flowline 14 is closed, and the gate valve on the gauging pipe 15 is opened. When the single-well crude oil water-containing analysis device does not work: the gate valve on the wellhead flowline 13 is opened, the gate valve on the flowline 14 is opened, and the gate valve on the gauging pipe 15 is closed.
When 220V voltage is applied to the single-well crude oil water content analysis device, the single-well crude oil water content analysis device and the remote control terminal start to work. The PLC begins to display the water content of the crude oil in the single well. Opening gate valves on an oil pipeline 13, a flow oil pipe 14 and a metering pipe 15 which are connected with the single-well crude oil water content analysis device, starting the pumping unit to work, after 8-12 minutes, carrying out PLC acquisition system work when the oil well produces oil stably, monitoring the change condition of the water content of the single-well crude oil at the wellhead through a human-computer interface touch screen after zero point calibration and full point calibration, and realizing remote crude oil water content analysis through a router and an optical fiber.
Because the water content of the crude oil in the single well is influenced by the oil yield of the oil well and the change of underground geological conditions, the remote control terminal automatically acquires and detects the water content of the crude oil and records and stores data every 20-30 seconds when the crude oil changes constantly, the average of the water content of the crude oil in the single well recorded in one day is used as the water content of the crude oil in the single well, and the control terminal analyzes and processes the water content of the crude oil. The utility model has the characteristics of monitoring well head crude oil moisture content data is accurate, does not need artifical chemical examination, unmanned on duty, remote supervision well head oil theft etc. can realize the digital automation of oil field well head crude oil moisture content, increases substantially oil recovery efficiency, and the prevention is stolen oily crime, prevention environmental pollution.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
In the case of no conflict, a person skilled in the art may combine the related technical features in the above examples according to actual situations to achieve corresponding technical effects, and details of various combining situations are not described herein.
The foregoing is illustrative of the preferred embodiments of the present invention, and the present invention is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. Any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention all fall within the scope of the technical solution of the present invention.
Claims (7)
1. A single well crude oil water content analysis device is characterized in that: comprises that
The sensor comprises a sensor shell (16), wherein a sensor detection window (11) is formed in the side wall of the sensor shell (16);
the sensor module (8), the sensor module (8) is connected in the sensor shell (16);
the explosion-proof junction box (3), the explosion-proof junction box (3) is connected to one end outside the sensor shell (16), and is electrically connected with the sensor module (8);
the remote control terminal is in electric signal connection with the explosion-proof junction box (3);
the remote control terminal comprises a remote terminal control system, a PLC, a router and a human-computer interface touch screen; the input interface of the remote terminal control system is in electrical signal connection with the output signal end of the sensor module (8), the output end of the remote terminal control system is in electrical signal connection with the input end of the router and the input end of the PLC, the output end of the router is in electrical signal connection with the optical fiber, and the output end of the PLC is in electrical signal connection with the input end of the human-computer interface touch screen.
2. The single well crude oil water analysis apparatus of claim 1, wherein: the sensor module (8) comprises a crude oil water content analysis processing unit, a radio frequency signal receiver (7), a radio frequency signal generator (9), a sensor detection probe (10) and a conical sensor plug (12); the crude oil water content analysis and processing unit, the radio frequency signal receiver (7), the radio frequency signal generator (9), the sensor detection probe (10) and the sensor plug (12) are sequentially connected from top to bottom; the crude oil water content analysis and processing unit is connected to one end in the sensor shell (16) and is connected with the explosion-proof junction box (3); the sensor plug (12) is connected to the end head of the other end of the sensor shell (16) and extends out of the sensor shell (16); the sensor detection probe (10) corresponds to a sensor detection window (11) formed in the side wall of the sensor shell (16).
3. The single well crude oil water analysis apparatus of claim 2, wherein: the sensor plug (12) is in a round table shape, and one end with a small round area is connected with the sensor detection window (11).
4. The single well crude oil water analysis apparatus of claim 2, wherein: the crude oil water content analysis processing unit comprises an analysis processor, a communication circuit (4), a data memory (5) and a high-precision analog-to-digital converter (6); the communication circuit (4), the data memory (5) and the high-precision analog-to-digital converter (6) are sequentially connected from top to bottom; the analysis processor and the communication circuit (4) are connected with the explosion-proof junction box (3).
5. The single well crude oil water analysis apparatus of claim 2, wherein: the explosion-proof junction box (3) is an integrated structure consisting of a cylinder and a hollow cylindrical body with an opening at the bottom surface; the inner side wall of the open end of the hollow cylindrical body is provided with threads, and the end surface of the cylinder connected with the hollow cylindrical body is connected with the crude oil water-containing analysis processing unit.
6. The single well crude oil water analysis apparatus of claim 1, wherein: the explosion-proof hose joint also comprises an explosion-proof hose (1) and an explosion-proof hose joint (2); the explosion-proof hose (1) is connected with the explosion-proof junction box (3) through an explosion-proof hose joint (2).
7. The single well crude oil water analysis apparatus of claim 1, wherein: the explosion-proof hose joint also comprises an explosion-proof hose (1) and an explosion-proof hose joint (2); the explosion-proof hose (1) is connected with the explosion-proof junction box (3) through an explosion-proof hose joint (2); the sensor module (8) comprises a crude oil water content analysis processing unit, a radio frequency signal receiver (7), a radio frequency signal generator (9), a sensor detection probe (10) and a conical sensor plug (12); the crude oil water content analysis and processing unit, the radio frequency signal receiver (7), the radio frequency signal generator (9), the sensor detection probe (10) and the sensor plug (12) are sequentially connected from top to bottom; the crude oil water content analysis and processing unit is connected to one end in the sensor shell (16) and is connected with the explosion-proof junction box (3); the sensor plug (12) is connected to the end head of the other end of the sensor shell (16) and extends out of the sensor shell (16); the sensor detection probe (10) and a sensor detection window (11) formed in the side wall of the sensor shell (16) are in a truncated cone shape, the position of the sensor detection window corresponds to the position of the sensor plug (12), and one end with a small circular area is connected with the sensor detection window (11); the crude oil water content analysis processing unit comprises an analysis processor, a communication circuit (4), a data memory (5) and a high-precision analog-to-digital converter (6); the analysis processor and the communication circuit (4), the data memory (5) and the high-precision analog-to-digital converter (6) are sequentially connected from top to bottom; the analysis processor and the communication circuit (4) are connected with the explosion-proof junction box (3); the explosion-proof junction box (3) is an integrated structure consisting of a cylinder and a hollow cylindrical body with an opening at the bottom surface; the inner side wall of the open end of the hollow cylindrical body is provided with threads, and the end surface of the cylinder connected with the hollow cylindrical body is connected with a crude oil water-containing analysis processing unit; the remote control terminal comprises a remote terminal control system, a PLC, a router and a human-computer interface touch screen; the input interface of the remote terminal control system is in electrical signal connection with the output signal end of the sensor module (8), the output end of the remote terminal control system is in electrical signal connection with the input end of the router and the input end of the PLC, the output end of the router is in electrical signal connection with the optical fiber, and the output end of the PLC is in electrical signal connection with the input end of the human-computer interface touch screen.
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| CN201920737907.4U CN210858709U (en) | 2019-05-22 | 2019-05-22 | Single-well crude oil water content analysis device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130885A (en) * | 2019-05-22 | 2019-08-16 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of single-well crude oil bearing analysis device and analysis method |
| CN112465089A (en) * | 2020-12-10 | 2021-03-09 | 西南石油大学 | System and method for monitoring weight loss process of annular cement slurry |
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2019
- 2019-05-22 CN CN201920737907.4U patent/CN210858709U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130885A (en) * | 2019-05-22 | 2019-08-16 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of single-well crude oil bearing analysis device and analysis method |
| CN112465089A (en) * | 2020-12-10 | 2021-03-09 | 西南石油大学 | System and method for monitoring weight loss process of annular cement slurry |
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