US 9,074,451 B2
Method and apparatus for wellbore fluid treatmentGeneral
US 9,074,451 B2
Method and apparatus for wellbore fluid treatment
Tech Center:
3600 Transportation, Construction, Electronic Commerce, Agriculture, National Security and License and Review
Examiner:
Daniel P Stephenson
Art Unit:
3676 Wells, Earth Boring/Moving/Working, Excavating, Mining, Harvesters, Bridges, Roads, Petroleum, Closures, Connections, and Hardware
Agent:
Bennett Jones LLP
Inventors:
DANIEL JON THEMIG; JIM FEHR
Assignee:
Priority:
08/21/02
Filed:
01/08/14
Granted:
07/07/15
Expiration:
08/14/23
Abstract
A tubing string assembly for fluid treatment of a wellbore includes substantially pressure holding closures spaced along the tubing string, which each close at least one port through the tubing string wall. The closures are openable by a sleeve drivable through the tubing string inner bore.
Cooperative Patent Classification (CPC)
E21E21B2200/06E21B