Gas well mouth skid-mounted liquid sampling device

Abstract

The invention provides a gas well mouth skid-mounted liquid sampling device. The liquid sampling device comprises a fixed table, a liquid storage barrel, a separation barrel and a nitrogen barrel; theliquid storage barrel, the separation barrel and the nitrogen barrel are installed on the surface of the fixed table; the liquid storage barrel and the separation barrel are both of a barrel-shaped structure with two ends closed and are obliquely installed on the fixed table; the obliquely-upward end of the liquid storage barrel is connected with the obliquely-downward end of the separation barrel through a ventilation pipe and a backflow pipe; a sampling port, a sample inlet and a liquid level observation window are arranged at the obliquely-downward end of the liquid storage barrel; the sample inlet of the liquid storage barrel is connected with a nitrogen cylinder through a pressure-resistant pipeline; a gas-liquid filter screen is arranged in an inner cavity of the separation barrel;and an exhaust pipe is further arranged at the obliquely-upward end of the separation barrel. The device can effectively solve the problems of difficult sampling caused by liquid sample blowing out during water bottle sampling and the potential safety hazards caused by flammable and combustible gas in samples. In addition, the device has the advantages of being simple in structure, easy and convenient to operate and easy to disassemble, assemble and carry.

Description

Technical field:[0001]The invention relates to the technical field of gas field gas production, in particular to a gas well wellhead skid-mounted liquid sampling device in the natural gas production process.Background technique:[0002]In the gas production process, in order to understand the liquid properties of the gas well, liquid samples are often taken from the gas well. During the operation, it is usually necessary to take the liquid sample with a water bottle at the wellhead and the skid-mounted part, but due to a certain pressure in the wellhead and the skid-mounted part, the liquid sample in the bottle will be blown out, making it difficult to take the liquid sample. In addition, natural gas is a flammable and explosive gas, and there are certain safety hazards to directly taking liquid samples from containers such as water bottles.Summary of the invention:[0003]In view of this, the present invention aims to provide a gas well wellhead skid-mounted liquid sampling device that...

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Problems solved by technology

[0003] In view of this, the present invention aims to propose a gas well wellhead skid-mounted liquid sampling device that is easy to carry, easy to operate, safe and reliable, and is mainly used for gas well wellhead skid-mounted liquid sampling to solve the problem that the liquid cannot be taken due to high pressure and there is a safety hazard. risk conundrum

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