Method for controlling clathrate hydrates in fluid systems

Patent · Sun Jan 01 00:00:00 EST 1995

OSTI ID:869975

Sloan, Jr., Earle D. ^[1]

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1. (Golden, CO)

Discussed is a process for preventing clathrate hydrate masses from impeding the flow of fluid in a fluid system. An additive is contacted with clathrate hydrate masses in the system to prevent those clathrate hydrate masses from impeding fluid flow. The process is particularly useful in the natural gas and petroleum production, transportation and processing industry where gas hydrate formation can cause serious problems. Additives preferably contain one or more five member, six member and/or seven member cyclic chemical groupings. Additives include poly(N-vinyl-2-pyrrolidone) and hydroxyethylcellulose, either in combination or alone. Additives can also contain multiple cyclic chemical groupings having different size rings. One such additive is sold under the name Gaffix VC-713.

• Research Organization: Colorado School of Mines (Golden, CO)
• DOE Contract Number: FG21-92MC29248
• Assignee: Colorado School of Mines (Golden, CO)
• Patent Number(s): US 5432292
• OSTI ID: 869975
• Country of Publication: United States
• Language: English

Related Subjects

method
controlling
clathrate
hydrates
fluid
systems
discussed
process
preventing
hydrate
masses
impeding
flow
additive
contacted
prevent
particularly
useful
natural
gas
petroleum
production
transportation
processing
industry
formation
serious
additives
preferably
contain
five
six
seven
cyclic
chemical
groupings
poly
n-vinyl-2-pyrrolidone
hydroxyethylcellulose
combination
multiple
size
rings
sold
name
gaffix
vc-713
hydrate masses
preferably contain
natural gas
particularly useful
fluid flow
clathrate hydrate
gas hydrate
additives preferably
processing industry
preventing clathrate
petroleum product
petroleum production
clathrate hydrates
hydrate formation
fluid systems
chemical groupings
cyclic chemical
controlling clathrate
/585/137/166/