Remote collection system of natural gas well

Abstract

The invention discloses a remote collection system of a natural gas well. The remote collection system comprises a communication module, a microprogrammed control unit (MCU), an LORA wireless module, a power source, a DC / DC converter and a unified expansion interface, wherein the communication module is in butt joint with an intelligent flowmeter and used for transmitting flow data to the MCU; the MCU is used for adjusting and controlling all the modules, receiving the data information transmitted by the communication module and integrating the data information; the LORA wireless module is used for large-scale transmission of the integrated flow data; the power source is used for providing stable working voltage; the DC / DC converter is used for converting the output voltage of the power source so that the output voltage can be matched with the supply voltage of the intelligent flowmeter; and the unified expansion interface is used for expanding a connection path between the MCU and an external module. The distance between the installation position of the remote collection system and an intelligent meter is quite short, and the induction pulse introduced by a connection cable with the length within the length value interval is quite small and insufficient to threaten the intelligent flowmeter; and a battery is used for supplying power, no external power grid is needed, the safety performance is high, and the situation that pulses are introduced by a lightning stroke through a power grid is directly avoided.

Description

technical field [0001] The invention relates to the field of remote collection of natural gas, in particular to a remote collection system for natural gas wells. Background technique [0002] At present, my country's natural gas resources are not very rich, and the regional distribution of reserves is very uneven. In recent years, with the rapid development of the global economy and the enhancement of the awareness of global environmental protection, the demand for natural gas as the cleanest energy is increasing. It is becoming more and more urgent. In some low-permeability areas of our country, the exploitation of natural gas is also in full swing. If natural gas is exploited in these areas, high-density natural gas wells are required to obtain high natural gas production. Therefore, tens of thousands of natural gas wells are distributed in a county-level administrative region. Due to the large number of wellheads, they may be distributed in deserts. In the Gobi, the inspe...

AI Technical Summary

Problems solved by technology

If natural gas is exploited in these areas, high-density natural gas wells are required to obtain high natural gas production. Therefore, tens of thousands of natural gas wells are distributed in a county-level administrative region. Due to the large number of wellheads, they may be distributed in deserts. In the Gobi, the inspection is very inconvenient, and the gas field must be managed digitally and networked. Therefore, it is necessary to have a supporting natural gas wellhead data collection and remote transmission system

In the natural gas wellhead data acquisition system in the prior art, the remote terminal control unit RTU (Remote Terminal Unit) collects wellhead oil pressure, casing pressure and natural gas flow data in the natural gas export pipeline through the analog input channel. Due to the limitation of channels, it is impossible to complete data collection for equipment above four cluster well groups. Moreover, the natural gas wellhead data collection system in the prior art still has defects and deficiencies such as high power consumption, poor safety performance, and high maintenance costs after failure.

Images