Charles S. Logan
Engineering at 9 St, Lake Charles, LA

License number
Louisiana EI.0004052
Issued Date
Jan 1, 1900
Category
Civil Engineer
Address
Address
2124 9Th St, Lake Charles, LA 70601

Professional information

Charles Logan Photo 1

Isolation Plug

US Patent:
4424864, Jan 10, 1984
Filed:
Feb 17, 1981
Appl. No.:
6/234900
Inventors:
Charles S. Logan - Lake Charles LA
Assignee:
Conoco Inc. - Ponca City OK
International Classification:
E21B 4304
US Classification:
166278
Abstract:
Apparatus and methods are provided for isolating a zone of a well bore from a portion of the well bore located above the zone, to prevent communication between the zone and the portion of the well bore located thereabove.