REDUCTION OF AGGLOMERATION TENDENCY OF HYDRATE IN PRODUCTION EFFLUENT

Title:

REDUCTION OF AGGLOMERATION TENDENCY OF HYDRATE IN PRODUCTION EFFLUENT

Document Type and Number:

Japanese Patent JP3944610

Kind Code:

B2

Abstract:

PURPOSE: To reduce the agglomeration tendency of hydrates in a production effluent economically.
CONSTITUTION: This is a method for reducing the agglomeration tendency of hydrates within a fluid incorporating water and hydrocarbons liable to form hydrates, under conditions that the hydrates may be formed, and into the fluid, an alkylene oxide-based water-soluble polymer or copolymer (e.g. polyethylene glycol monoether, ethylene oxide-propylene oxide copolymer) containing (OR)n sequence (R represents a hydrocarbon group having 2 or 3 carbon atoms, (n) represents the average degree of polymerization of the sequence, and at least one of the (OR)m sequences is an ethylene polyoxide sequence) is incorporated, in combination with a thermodynamic inhibitor (e.g. methanol) against the formation of hydrates.

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Inventors:

Michelle Thomas
Anne Sophie Bale
Jean Pierre Duran

Application Number:

JP26442293A

Publication Date:

July 11, 2007

Filing Date:

October 22, 1993

Export Citation:

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Assignee:

INSTITUT FRANCAIS DU PETROL

International Classes:

C10L3/10; C07C7/20; C09K8/52; E21B37/06; E21B43/22; (IPC1-7): C10L3/10; E21B37/06; E21B43/22

Domestic Patent References:

JP2003497A
JP59044489A

Attorney, Agent or Firm:

Einosuke Kishimoto
Moriichi Kishimoto
Akira Watanabe
Norihiko Hibi

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