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Inhibex™ gas hydrate inhibitors

Chemistry: PVP polymers and VP derivatives

Low Dose Hydrate Inhibitors (LDHIs), technology developed in the 1990s, significantly improved the options available to offshore operators in preventing type I, II and H gas hydrates, the ice-like crystals that left untreated will damage or rupture pipelines, valves and well heads located under water. These LDHIs, based on Poly VCap polymers, require less than 1 percent (wt.%) to prevent gas hydrates from forming in fields with high water cut.

幸运飞艇精准6码计划网页版Inhibex 301 gas hydrate inhibitors, one of the first commercially available low-dose kinetic hydrate inhibitors from Ashland, remains as an alternative to thermodynamic hydrate inhibitors (THI) in some cases, and a booster to THI methods in other scenarios.

Today, however, offshore oil and gas operators work within a larger spectrum of temperature and pressure conditions. Ashland has responded to requests from oilfield chemical formulators for new polymeric gas hydrate inhibitors that address more challenging operational conditions offshore (and changing regulatory requirements). The chemistry of Inhibex gas hydrate inhibitors continues to expand in support of higher cloud points, higher sub-cooling conditions and regulatory schemes that require the use of biodegradable chemicals.

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幸运飞艇精准6码计划网页版In the oil and gas industry, Inhibex gas hydrate inhibitors offer the following:

  • Superior performance
  • High injection temperatures
  • Does not precipitate out at 100° C in up to 10% brine
  • Cost effective - low dosage rates yield excellent sub-cooling performance
  • Lower overall chemical usage vs. thermodynamic hydrate inhibitors
  • High salt tolerance

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