lost circulation material


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lost circulation material

[′lȯst ‚sər·kyə′lā·shən mə‚tir·ē·əl]
(materials)
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N-Seal: Acid-soluble lost circulation material is a specially formulated extrusion spun mineral fiber.
It is for use primarily as a lost circulation material in HDD.
University of Oklahoma (Norman, OK): Developing and testing smart lost circulation materials (LCM) that use shape memory polymers activated by geothermal temperature to prevent the loss of fluid into fractured rock next to the drilled wellbore; the smart LCM expands within the fractures to reduce non-drilling time (NDT) and strengthen the wellbore in high temperature geothermal drilling operations.
The transaction includes New Fluid Solutions' line of drilling fluid additives, including lost circulation materials, emulsifiers, lubricants and shale inhibitors used in both onshore and offshore drilling operations.