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SealGuard

Advanced sustainable lost circulation additives for onshore and offshore drilling operations. Ready-to-use blend offers maximum performance in challenging drilling operations without compromising sustainability.

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Lost circulation is defined as the total or partial loss of drilling fluids to high-permeability zones, cavernous formations, and natural or induced fractures during the drilling or completion of a well.

In oil or gas well drilling, lost circulation occurs when drilling fluid flows into one or more geological formations instead of returning up the annulus. Lost circulation is a major problem encountered in the drilling process due to the unwanted loss of the whole or a portion of drilling mud into a formation. Lost circulation is another leading cause of well-kicks throughout the world. Fractured consolidated formations with large angular cavities are one of the leading causes of lost circulation. If heavier wellbore mud exerts a pressure higher than the formation or fracture pressure, losses of whole mud into the formation can occur. This occurrence can lead to severe problems, including pipe stuck, formation damage, blowout, and wellbore instability, leading to an increase in time and cost of the operation.

Therefore, it is a common practice in the industry to prevent such lost circulation. This issue is influenced by various parameters such as the type and weight of drilling fluid and its rheological properties, pump pressure, and formation pore pressure. The larger the opening into the formation, the more serious the risk of losses, and the more aggressive the lost circulation solution will need to be. Lost circulation materials are used to prevent fluid losses in the formation. Many lost circulation additives are available on the market, and before adding a lost circulation additive to a drilling fluid, one should confirm that the material has been designed and tested for that purpose. Lost circulation materials fall into three categories- fibers, flakes, and granules. Commonly used lost-circulation materials include fibrous, flaky, or granular materials. At Centum, we custom formulate, and engineer lost circulation additive blends based on specific drilling projects. Customization is crucial as underground geological conditions vary from well to well drilling.

SealGuard

Centum’s innovative performance lost circulation additive blend SealGuard is proven to perform at its best in various lost circulation situations during onshore and offshore drilling operations. Scientists and engineers at Centum have been researching and testing various commercial lost circulation additives available on the market. After years of research and development, we have formulated SealGuard, the most advanced and sustainable lost circulation additive blend that offers maximum performance in various geological underground conditions. The ingredients and additives in SealGuard are locally sourced, so the blend offers ultimate quality and performance. Our lost circulation blend is carefully engineered to meet ESG and sustainability standards without compromising performance. It is readily and ultimately biodegradable and non- toxic to fish, animals, and other living species. Centum’s SealGuard helps to cut down operation costs significantly and provide maximum workplace and worker safety. At Centum, we custom engineer SealGuard to meet specific drilling operation needs.

Advantage:

  • Helps to stabilize formation or fracture pressure to prevent lost circulation.
  • Minimize and stabilize wellbore instability in challenging geological conditions.
  • Helps to block formed cavities during deep drilling operations.
  • Helps to maintain uniform drilling fluid weight and rheological properties throughout the drilling operation.
  • Initiate a speedy cementing process to block the formed pores and block drilling fluid leakage.
  • Minimize and prevent hole fracturing during deep drilling operations.
  • Maintain uniform drilling fluid viscosity and mud chemical properties throughout the drilling operation.
  • Effectively seal formed pores and fractured well-wall during challenging deep drilling operations.
  • Does not contaminate seawater and land or reservoir.
  • Non-toxic to fish, animals, and other living species.
  • Readily and ultimately biodegradable.
  • Cut operational costs significantly.
  • Provide maximum workplace and worker safety.
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