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What are Chemical Injection Pumps?

Chemical injection pumps are designed to improve well production, pipeline flow, and reduce corrosion. They operate under specific chemical and fluid requirements depending on the temperature and pressure with which the injection pump will be working at. Ultimately, chemical injection pumps deliver specific chemicals to the production system at determined rates. These procedures are required for the safe application of chemicals and for oilfield systems to work efficiently. Chemical Injection Pumps are common systems within the Canadian oil and gas industry. Some of the chemicals used include solvents, de-salting agents, corrosion inhibitors, biocides, clarifiers, scale inhibitors, hydrate inhibitors, oxygen scavengers, surfactants, and more. Sometimes methanol is used to reduce freezing which causes pipelines to clog. This can be a complex subject, but it is important to understand the different applications, limitations, and conditions that contribute to the efficiency of these systems and their overall performance.

Uses or Applications of Chemical Injection Pumps

  • Agriculture
  • Chemical manufacturing and processing.
  • Oil & gas production
  • Cryogenics
  • Automotive
  • Pulp and paper manufacturing
  • Food processing
  • Semiconductors

About Plainsman Manufacturing

Plainsman is a locally owned manufacturing and distribution company operating out of Edmonton, Alberta since 1966. We manufacture and distribute products for oilfield production, pipeline maintenance, construction and gas and water distribution. We carry the best quality line for Chemical Injection Systems. We also offer the best maintenance plans and procedures to keep your systems running at optimal levels. Give us a call today to learn more about chemical injection pumps from the experts at Plainsman Manufacturing.


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Pump Types

There are different types of pumps used as chemical injection pumps. Generally, chemical injection pumps are divided in two categories, gas driven or electric driven.

Gas driven pumps are also called pneumatic CIPs and are classified as either piston type or diaphragm type. Both operate in the same way but vary in the mechanism that drives the chemicals.

Pneumatic or gas driven injection pumps

  • Positive displacement pumps and diaphragm chemical pump: Operates from gas pressure and has a single head. The amount of gas being injected is directly related to the stroke length.
  • Metering type pumps can be used for chemical injections as well as water. They can work at high pressures and allow for continuous flow rates to be averaged over time. The best way to avoid leaks is by implementing diaphragm pumps for metering. Diaphragm pumps are better in the sense that they are accurate with no leaks, resulting in a more efficient pump with a longer product life.

Electric Chemical Injection Pumps: AC or DC

The designs of electrical chemical injection pumps are similar because they are driven by a piston, but the motor and power are different. Piston-driven injection pumps contribute to operations by preventing the system from venting gas. Direct Current electric chemical injection pumps came to be in places where AC is not available, often in remote areas. They are a great alternative to pneumatic chemical injection pumps in terms of cost and environment.

Plainsman Manufacturing Chemical Injection Pumps

All pumps are designed and produced with chemically resistant materials due to the extreme conditions they can be put under. While the operation may vary, some pumps are operated mechanically while others operate by an electric motor, or compressed field gas or air. The rates at which chemicals can enter varies depending on the volume of chemicals and type of pump. There are pumps that allow for two chemicals to be pumped simultaneously. Visit our website and browse through our selection of Chemical Injection Pumps and Accessories.
Feel free to give us a call or contact us with any questions, comments, or concerns, our customer service experts will be glad to assist you.

The following list quickly names the key advantages of implementing chemical injection pumps:

  • Very accurate
  • Simple in design and relatively easy to install, adjust or repair
  • Operates under high pressures
  • Long pump life
  • Increase work safety
  • Reduce green house gas emissions, and odors
  • Efficient systems will reduce fire hazards as well

Chemical Injection Pumps Maintenance:

As any other process in oil and gas production, high levels of inspection and monitoring are required. To efficiently run and maintain chemical injection systems, operators should keep track and record all activity. The most important details to keep records of are the number of chemical injection pumps used, data for the different types of chemical injection pumps, fuel and gas consumption levels, any change or upgrade performed, and MSDS data sheets for all chemicals being used.

Optimization can be achieved by increasing the stroke and diameter of the pump to decrease and minimize frequency. Also, pump injection rate and injection pressure should be carefully measured to minimize the use of fuels. Remember chemical consumption rates will vary according to the different types of pumps.


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Plainsman Recommendations:

Plainsman offers a full line of chemical injection pumps from Arrow including the 430-series electric, 510 & 500 series pneumatic, and the 10-series beam pump. Plainsman tank and drum gauges are available in standard (2,3 and 4-foot lengths) & custom sizes. Both the pump line and gauges are available in different trim levels to suit your requirements. All our products work to eliminate toxic emissions from chemical injection systems, providing you with an efficient and safe operating system. Leave it in the hands of the experts and allow us to determine what would work best for your specific operations.

Give us a call today at Toll Free 1-877-448-0586 or contact us via our website at http://plainsmanmfg.com/contact-us/