CN-121993654-A - Automatic monitoring system and method for high-pressure valve state in fracturing operation process

CN121993654ACN 121993654 ACN121993654 ACN 121993654ACN-121993654-A

Abstract

The invention provides an automatic monitoring system and method for the state of a high-pressure valve in the fracturing operation process, wherein the system comprises a sensor, a collector and a computer, wherein the sensor is arranged on the high-pressure valve, and comprises an angle sensor and a distance sensor; the angle sensor is arranged on the high-pressure valve fixing surface and can detect the angle change of the high-pressure valve fixing surface and the movable surface to realize the identification of the state of the high-pressure valve, the distance sensor is arranged on the high-pressure valve tail rod and can detect the moving distance of the tail rod, the collector is in wireless connection with the sensor and receives data from the sensor and sends the data to the computer, and the computer is in wireless or wired connection with the collector and can receive, process and store the data, monitor the sensor and display the state of the valve in real time. The method is implemented by the system as described above. The invention can effectively reduce the workload of confirming the state of the high-pressure valve in the fracturing process and improve the construction efficiency.

Inventors

YUAN HAIPING
HUANG WEI
QIAN HAODONG
Fang Zeben
PENG TAOJUN
WU CHENGBIN
ZHANG YUPING
HE ENPENG
TAO JUNYI
WU LANG

Assignees

中国石油天然气集团有限公司
中国石油集团川庆钻探工程有限公司

Dates

Publication Date: 20260508
Application Date: 20241106

Claims (10)

1. An automatic monitoring system for the state of a high-pressure valve in the process of fracturing operation is characterized by comprising a sensor, a collector and a computer, wherein the sensor, the collector and the computer are arranged on the high-pressure valve, The sensor comprises an angle sensor and a distance sensor, wherein the angle sensor is arranged between a fixed surface and a rotating surface of the high-pressure valve, can detect the angle change of the fixed surface and the movable surface of the high-pressure valve and realize the identification of the state of the high-pressure valve; The collector is in wireless connection with the sensor, receives data from the sensor and sends the data to the computer; The computer is connected with the collector in a wireless or wired mode, can receive, process and store data, monitors the sensor and displays the state of the high-pressure valve in real time.
2. The automatic monitoring system for the state of a high-pressure valve in the fracturing operation process according to claim 1, wherein the angle sensor comprises a first shell and a first fixing mechanism which are connected, wherein an angle detection chip and a magnet are arranged in the first shell, the magnet and the angle detection chip are fixed at the bottom of the sensor, a rotor is arranged in the first fixing mechanism, and the magnet is connected with the rotor through a bolt.
3. The automatic monitoring system of the high-pressure valve state in the fracturing operation process according to claim 2, wherein the sensor further comprises a power module, a wireless transmission module and a data display screen which are positioned on the upper portion of the sensor, the power module comprises a battery pack, the battery pack is connected with the angle monitoring chip and the wireless transmission module through a power line, the data display screen can display the high-pressure valve state in real time, and the wireless transmission module can transmit data in real time.
4. The automated monitoring system of high pressure valve status during a fracturing operation of claim 2, wherein the angle detection chip is capable of calculating and reading angle data of the high pressure valve.
5. The automatic monitoring system for the state of a high-pressure valve in the fracturing operation process according to claim 2 or 4, wherein the angle detection chip can achieve a measured angle of 0-360 ° based on an AMR sensing technology.
6. The automatic monitoring system for the state of a high-pressure valve in the fracturing operation process according to claim 3, wherein the wireless transmission module comprises a data processing unit, a wireless data transmitting unit and an antenna, and the transmitting frequency of the wireless data transmitting unit is 1-10 Hz.
7. The automatic monitoring system for the state of a high-pressure valve in the fracturing operation process according to claim 1, wherein the number of sensors connected to the collector is 1-16, and the maximum effective connection distance between the collector and the sensors is 200 meters.
8. The automatic monitoring system of the high-pressure valve state in the fracturing operation process according to claim 1 or 7, wherein the collector comprises a second shell and a second fixing mechanism which are connected, wherein a network bridge main board is arranged in the second shell, a sun shield is fixed on the upper part of the second shell through bolts, heat insulation cotton is covered on the sun shield, the second fixing mechanism is positioned at the bottom of the second shell, and an antenna elbow, an antenna and a joint are fixed on two sides of the second shell through bolts.
9. An automatic monitoring method for the state of a high-pressure valve in the process of fracturing operation, which is characterized in that the method is realized by using the automatic monitoring system for the state of the high-pressure valve in the process of fracturing operation according to any one of claims 1-8.
10. The method of automatic monitoring of high pressure valve status during a fracturing operation of claim 9, wherein the method comprises the steps of: The distance sensors are arranged at the tail rods of the manual flat valve and the hydraulic flat valve, the angle sensors are arranged at the hand wheels of the cock and the flat valve, and a double-frequency wireless WiFi base station is erected at a fracturing well site to cover the whole site; The data of each valve is received, processed and stored by a computer, and the state of each valve is displayed on a monitoring interface in real time.

Description

Automatic monitoring system and method for high-pressure valve state in fracturing operation process Technical Field The invention relates to the technical field of fracturing engineering, in particular to an automatic monitoring system and method for a high-pressure valve state in a fracturing operation process. Background The number and variety of high-pressure valves involved in the fracturing process are numerous, the risk is high in the high-pressure operation process, and personnel cannot enter the high-pressure area at will. Before construction, workers need to confirm the on-off state of each valve one by one so as to ensure whether the current inverted construction flow is a flow corresponding to the zipper fracturing well. The work load of the confirmation flow is large, the time is urgent, the artificial negligence is easy to occur, the pipe explosion, valve damage, fracturing vehicle damage and other accidents further occur in the construction process due to the flow error, and the construction period is delayed and the whole construction progress is influenced when the situation is serious. Therefore, the automatic monitoring system and the method for the state of the high-pressure valve in the fracturing operation process have important significance. The application discloses an intelligent monitoring system of a high-pressure liquid valve, which is applicable to water injection engineering of petroleum industry and various liquid conveying places. The system is provided with a pressure signal transmitter, a flow signal transmitter and a singlechip. The system comprises an upper flow control valve, a pressure signal transmitter, a flow signal transmitter, an intelligent monitoring device and a pressure signal transmitter, wherein the flow control valve, the pressure signal transmitter, the flow signal transmitter, the intelligent monitoring device and the pressure signal transmitter are sequentially arranged on a high-pressure liquid pipeline along the water inlet direction, signals of the flow signal transmitter are connected with a control box of the intelligent monitoring device through a signal transmission line, and signals of the pressure signal transmitter at the water inlet end and signals of the pressure signal transmitter at the water outlet end are input into the control box of the intelligent monitoring device through the signal transmission line. The system can automatically adjust the opening degree of the valve, automatically switch and ensure that the pressure and the flow reach the requirements according to the designed pressure and flow. However, the present application is different from its structure and method. Disclosure of Invention The present invention is directed to solving one or more of the problems of the prior art, including the shortcomings of the prior art. For example, one of the objectives of the present invention is to increase the efficiency of a field technician in confirming a fracturing flow during a fracturing operation. In order to achieve the above purpose, the invention provides an automatic monitoring system for the state of a high-pressure valve in the fracturing operation process, which comprises a sensor, a collector and a computer, wherein the sensor is arranged on the high-pressure valve, the sensor comprises an angle sensor and a distance sensor, the angle sensor is arranged between a fixed surface and a rotating surface of the high-pressure valve and can detect the angle change of the fixed surface and the movable surface of the high-pressure valve to achieve the identification of the state of the high-pressure valve, the distance sensor is arranged on a tail rod of the high-pressure valve and can detect the moving distance of the tail rod along with the rotation of the tail rod of the high-pressure valve to achieve the identification of the state of the high-pressure valve, the collector is in wireless connection with the sensor to receive data from the sensor and send the data to the computer, and the computer is in wireless or wired connection with the collector to receive, process and store the data, monitor the sensor and display the state of the high-pressure valve in real time. According to one or more exemplary embodiments of an aspect of the present invention, the angle sensor may include a first housing and a first fixing mechanism connected to each other, wherein an angle detecting chip and a magnet are disposed inside the first housing, the magnet and the angle detecting chip are fixed to a bottom of the sensor, a rotor is disposed in the first fixing mechanism, and the magnet is connected to the rotor through a bolt. According to one or more exemplary embodiments of an aspect of the present invention, the sensor may further include a power module, a wireless transmission module, and a data display screen located at an upper portion of the sensor, wherein the power module includes a battery pack, is connected to the angle monitoring