design of high purity polyacrylamide lcm loss circulation material

design of high purity polyacrylamide lcm loss circulation material
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  • What is lost circulation material?
  • The problem of lost circulation is a direct consequence of the presence of fractures or high permeability. Lost circulation material (LCM) is used to treat the loss that occurs or proactively strengthen the wellbore of the potential loss zones.
  • Can crosslinked polymer be used as a loss circulation material?
  • In the same way, using of crosslinked polymer as loss circulation materials provides better sealing efficiency over wide range of temperatures. The material can be circulated with the mud as a flowing gel to prevent loss circulation or injected as a pill to plug thief zones and stop severe loss. 2.5. Formation damage caused by LCMs
  • Can a polymer cure lost circulation?
  • To cure lost circulation, Lecolier et al. (2005) designed a novel type of polymer-based substance. It was a nanocomposite organic/ inorganic gel with high gel strength, with the goal of plug-ging layers of high permeability. The nanocomposite gel can be injected into naturally fractured strata to fill cracks of varying widths.
  • Can hydrolyzed polyacrylamide be used as a loss prevention and sealing agent?
  • For example, Hashmat et al. (2016) investigated the interaction of commercial-grade hydrolyzed polyacrylamide (HPAM) and an HPAM derivative with polyethyleneimine (PEI) for the potential application of these polymeric systems as loss prevention and sealing agent.