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PureShield

Advanced sustainable CO2/SO2/H2S/O2 scavenger additives for onshore and offshore drilling operations. Ready-to-use blend offers maximum performance in challenging drilling operations without compromising sustainability. Formulated for oil and water-based drilling fluids.

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Scavenging additives are a type of chemical that defuse or deactivate highly reactive ions and molecules in gaseous or solution phase form from the medium.

Scavenging chemicals react with highly chemically active unwanted molecules and ions, then deactivate and remove them from the system. In oilfield operations, various scavenger additives are added to the drilling fluid and production chemicals to remove reactive impurities such as CO2, SO2, H2S, S, and O2 from the borehole and production chamber. Accumulating these reactive gaseous species often causes explosions, fire hazards, and, most importantly, corrosion. These reactive impurities in an oilfield drilling operation often cause severe explosions and corrode the drilling equipment and production pipe. Therefore, removing them from the system is crucial before they cause any serious issues during production operations.

The effectiveness of the scavengers mostly depends on their internal chemistry and scavenging mechanism. The primary mechanisms for scavenging and removing CO2, SO2, H2S, S, and O2 are chemical reactions and adsorption. A wide range of scavenging chemicals and additives are available on the market and supplied by chemical suppliers. Some of them are effective, and some of them aren’t. Importantly, they create additional issues by changing drilling fluid properties, which become difficult to solve and, as a result, increase operational costs significantly.

To address these complex and unsolvable issues, we developed PureShield, an advanced and performance-scavenging additive blend that is sustainable and offers maximum performance. At Centum, we carry out intense research and development before formulating a product. Then, we enforce our innovation power to formulate and develop the most performing product. We perform intense testing and trials before bringing them to the market. All the raw materials used in PureShield are locally sourced; therefore, the formulated product offers ultimate quality and performance. With Centum’s PureShield scavenger additive blend, you can be absolutely sure that you will achieve the ultimate performance. Additionally, when using our scavenger chemical, you do not need to worry about sustainability and ESG goals because we take care of that during raw materials selection and formulation. At Centum, we custom formulate and produce scavenging additives and chemicals to meet your project needs.

PureShield

Our scavenging additive blend, PureShield, resulted from never-ending research and innovation. PureShield is an ultra-performing CO2, SO2, H2S, S, and O2 scavenger additive blend designed and engineered to perform offshore, onshore, and challenging oilfield drilling and production operations. PureShield removes CO2, SO2, H2S, S, O2, and other active ions by adsorption and deactivating them via chemical reaction. The scavengers generate no toxic or active substances upon chemical reaction and deactivation. They stay in the medium as inert and scavenge incoming CO2, SO2, H2S, S, O2, and other active ions until taken out from the medium. The ingredients in PureShield are sustainable and non-toxic and do not contaminate soil or water. It is designed to help oilfield operators to achieve ESG and sustainability targets. Using our PureShield scavenger, you can achieve ultimate scavenging performance and sustainability both at the same time.

Advantage:

  • Provide maximum scavenging performance against CO2, SO2, H2S, S, O2, and other active ions.
  • Ultimate corrosion protection by removing CO2, SO2, H2S, S, O2, and other active ions.
  • Protect from unwanted and unforeseen accidents and fire hazards.
  • Provide maximum corrosion protection by passivating the metallic surface.
  • Protect oilfield equipment and production pipes by deactivating soluble electroactive ionic radicals and gaseous ions.
  • Helps to maintain uniform rheological properties of the fluid medium during drilling and production operations.
  • It produces an electro-passive coating and membrane on electroactive metallic particles that block ionic transport.
  • Offers maximum scavenging performance at elevated and high temperatures.
  • PureShield creates a pH-neutral medium by adsorbing CO2, SO2, H2S, S, and O2.
  • Cut oilfield operational production costs significantly.
  • Readily and ultimately biodegradable, helps to meet ESG and sustainability targets.
  • Does not contaminate soil, water, or reservoir.
  • Non-toxic to living species and microbes.
  • Provides maximum workplace and worker safety.
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