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Increase production in stripper wells and resume production in shut-in wells

Supersonic Atomization Technique for Bottom Hole Liquid Loading Drainage in Gas Well

Innovation of drainage and gas production, improve production capacity efficiency

01 Overview

During the middle and late stages of gas well exploitation, the problem of wellbore water accumulation often arises, which can significantly impact productivity and efficiency of gas well. Gas well deliquification device using supersonic nozzle is an innovative method for water drainage and gas production. It aims to enhance the drainage efficiency and production capacity of gas wells by utilizing high-speed liquid jets to carry away the accumulated water in wellbore.

The gas flowing property in gas wells is influenced as liquid loading exists. When gas flows upwards through supersonic nozzle by gas reservoir pressure, it drives some liquid loading together. After passing through throat part, the gas reaches supersonic flow up to 6.5 Mach. The liquid loading will be sheared by gas into atomized droplets about 10-50µm and evenly distributed in the gas.
After reaching diverging part, as the pressure decreases, the gas flow rate increases, and the liquid loading is completely carried out of the wellbore by gas.

02 Principle

Supersonic Nozzle Holder
Structure Diagram

03 Advantages

At the outlet of the nozzle the Mach number reached 6.5

Atomization Effect

Excellent Supersonic Atomization Effect

Gas flow speeds can reach up to 6.5Mach; liquid loading can be sheared by gas into droplets about 10-50µm.

Independent and Long-term Operation

No additional drainage facilities or auxiliary measures are required, can achieve long-term operation without frequent maintenance.

Energy Conservation and Stimulation

Through atomization to remove bottom hole liquid loading in gas well; change the fluid flow state inside wellbore; reduce consumption of gas reservoir pressure energy.

Wide Application

Suitable for production below 1000 m³/d stripper wells and shut-in wells;
Significant drainage effect on gas wells with production below 5000 m³/d and pressure below 5 MPa;
Save pressure energy and sustain gas production for high-yield wells.

Environmental Protection

Reduce usage of chemical agents by physical drainage, beneficial to environmental protection.

Quick response and reliable service are available.

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04 FAQ

Supersonic atomization nozzle technology utilizes the kinetic energy of high-speed fluids to atomize and carry away accumulated water from the wellbore, effectively reducing liquid accumulation at the bottom of the well and thus enhancing drainage efficiency. This technology can significantly increase gas well production and extend the economic lifespan of the well.

Supersonic atomization nozzle technology is particularly suitable for low-yield gas wells, especially those experiencing severe wellbore water accumulation that affects well productivity.

The design of supersonic atomization nozzle technology takes compatibility with existing equipment into account. Generally, if the gas well is already equipped with a choke, it only requires the replacement of the choke with a supersonic nozzle. If no choke is installed, a nozzle holder is used for installation.

Compared to traditional drainage and gas extraction methods, supersonic atomization nozzle technology has lower operating costs. This technology does not rely on additional drainage facilities or auxiliary measures and can operate continuously for extended periods with minimal maintenance requirements.

Supersonic atomization nozzle technology is designed with environmental protection in mind. It employs purely physical methods for drainage operations, reducing the need for chemical agents and thus contributing to environmental conservation.