Methods for depleting hydrogen sulfide in natural gas from the exploitation of crude oil/natural gas mixtures
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 29, 2013
Grant Date -
Jan 21, 2010
app pub date -
May 24, 2006
filing date -
Jun 3, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The hydrogen sulphide content of natural gas obtained from the extraction of sour-gas containing crude oil/ natural gas mixtures, is reduced by reducing the high pressure of a raw crude oil/ natural gas mixture to 70-130 bar, separating an outgassing raw gas from the crude oil, cooling the outgassed raw gas and simultaneously drawing off a liquid medium which condenses from the outgassing raw gas during cooling. The outgassed raw gas is subjected, after pressure reduction, to gas scrubbing by a physically active solvent. The laden solvent is directed to at least one pressure reduction step to obtain H2S outgas from the solvent. The pressure of the crude oil is further reduced in two subsequent steps to 20-40 bar and 2-15 bar and additional H2S rich raw gas streams are separated from the crude oil which outgas therefrom. The H2S containing gas outgassed from the solvent is brought to the same pressure as the H2S rich raw gases outgassed from the crude oil and all outgassed H2S containing streams are combined and brought to a pressure above that of the crude oil reservoir and fed into a well in the reservoir.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully