Title:
METHOD FOR RECOVERY OF GASEOUS HYDROCARBONS AND/OR LIQUID HYDROCARBONS FROM UNDERGROUND
Document Type and Number:
WIPO Patent Application WO/2015/041060
Kind Code:
A1
Abstract:
Provided is a method for recovery of gaseous hydrocarbons and/or liquid hydrocarbons from underground, characterized by the use of a polylactic acid resin comprising a poly-L-lactic acid component and a poly-D-lactic acid component, and having a crystal melting heat of 20 J/g or greater at 190°C or above as measured by differential scanning calorimetry, the method for recovery of gaseous hydrocarbons and/or liquid hydrocarbons from underground being capable of recovery from depths of 3,000 m or more underground. With this recovery method, shale gas, shale oil, and the like can be recovered efficiently.
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Inventors:
OME HIROYUKI (JP)
NAGANO TATSUYA (JP)
TAKAHASHI YOSHITAKE (JP)
NAGANO TATSUYA (JP)
TAKAHASHI YOSHITAKE (JP)
Application Number:
PCT/JP2014/073304
Publication Date:
March 26, 2015
Filing Date:
September 04, 2014
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
E21B43/22; C08L67/04
Domestic Patent References:
| WO2013090652A1 | 2013-06-20 | |||
| WO2013052285A1 | 2013-04-11 | |||
| WO2013090652A1 | 2013-06-20 |
Foreign References:
| US20080139417A1 | 2008-06-12 | |||
| US20080236823A1 | 2008-10-02 | |||
| JP2012001620A | 2012-01-05 | |||
| US7833950B2 | 2010-11-16 | |||
| US7786051B2 | 2010-08-31 |
Other References:
See also references of EP 3048240A4
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