Product Introduction  

The intelligent dosing device is mainly installed at the casing pressure end of the gas well or the front section of the oil and gas pipeline network, and is applied to the intelligent injection of various liquid agents in oil and gas fields. It solves the problems of gas well drainage and gas increase, oil well profile control and oil increase, freezing and blocking of pipeline network, wax deposition and scaling corrosion of pipeline, achieves the purpose of gathering and transportation, increasing production and efficiency, and realizes the purpose of Internet of Things and intelligent management of oil and gas fields.

 

  Function and Features  

. Unattended, automatic operation and intelligent protection functions, which can effectively reduce the cost and work intensity of agent injection.

. Manual (local), automatic control (according to the set program), remote transmission, mobile phone control function

. Alarm and self-locking protection for liquid level, pressure, temperature and voltage

. Filling pump no-load alarm and self-locking protection function

. Combustible gas detection alarm and self-locking protection function

. Remote data monitoring, parameter setting, device startup and shutdown, etc.

. Running fault self-check function and automatic switching function of standby pump

. Data acquisition, storage and query function

. One machine for multiple wells, one machine for multiple agents and automatic dispensing function

. Functions of agent injection management, dynamic supervision of operation, dynamic adjustment and optimization of dosing system

 

  Technical Parameters  

. Working pressure: 0 ~ 50MPa

. Working temperature: -30 ℃ ~ 70 ℃

. Filling flow: 1.0L/H ~ 8000 L/H

. Volume of chemical tank/box: 0.1m ³ ~ 20m ³

. Power supply voltage: AC380V, AC220V, DC48V, DC24V

. Filling medium: foaming agent, defoaming agent, methanol, polymer microspheres, scale inhibitor, corrosion inhibitor and other liquid agents

. Material of reagent tank and pipeline: plastic, carbon steel and stainless steel

. Control mode: manual, automatic, remote, mobile phone

. Communication protocol: Modbus RTU, Modbus TCP

. Communication interface: RS485, RS232, RJ45

 

Core technologies and key components

he plunger pump, diaphragm pump, electric valve, check valve and control system in the intelligent dosing device all adopt our own technology and obtain relevant patents or software copyrights.

 

  Execution Standards  

Q/CPZBD0005-2018 Automatic bubble discharge/alcohol injection device

Q/CPZBD008-2020 Intelligent micro-control dosing device

Q/ZBD001-2019 Polymer Microsphere Dosing Device

 

  Application Cases  

Intelligent dosing devices are mainly used in major oil and gas fields, and have been applied in Changqing Oilfield Gas Production Plant, Changqing Oilfield Oil Production Plant, Southwest Oil and Gas Field, Qinghai Oilfield Gas Production Plant, Sinopec North China Branch Gas Production Plant, Sinopec Fuling Shale Gas, China United Coalbed Methane and other units.

Case 1. Take a gas production plant in Changqing Oil and Gas Field as an example. Because there is no mains supply in the well site, the wellhead foam drainage gas production process uses photovoltaic power generation intelligent dosing device for automatic and intelligent foaming agent injection, which can effectively reduce the work intensity and the cost of agent injection, and facilitate the network management of agent injection. Compared with manual injection, the annual construction cost is saved by 67%, and the gas increment is increased by more than 20%.

 

        

Single well and cluster well intelligent dosing device (photovoltaic power supply)

 

Case 2. Take a gas well platform in Southwest Gas Field as an example. The intelligent dosing device meets the requirements of the overall foam drainage of 3 to 8 gas wells on the platform and the foam pigging operation of the gas pipeline, which greatly reduces the labor intensity of the gas production staff, cancels the personnel on duty, saves the space of the station, and reduces the construction cost. After the implementation of foam drainage technology, the net increase of gas production in gas wells has achieved economic benefits of millions of yuan, and the annual cost of gas well agents, equipment and energy consumption has been saved by more than 20%, which has a significant cost-reducing and efficiency-increasing effect on the exploitation of liquid gas wells.

 

      

Intelligent dosing device for a cluster well platform (municipal power supply)