Back to results
US 2007/0163781 A1Published application
Multi-zone, single trip well completion system and methods of use
AssigneeBJ Services Company
InventorDavid Walker
Life of this patent
Estimating the term…
Abstract
An improved well completion system for completing two or more separate production zones in a well bore during a single downhole trip is disclosed. The improved completion system comprises a completion assembly comprising two or more production zone assemblies and a completion tool assembly. Each production zone assembly may comprise an automatic system locating assembly and at least two inverted seal systems for sealing against the tool assembly.
Claims10
A method of completing two or more production zones with a well completion system in a single downhole trip, comprising:
- assembling a plurality of production zone assemblies, each assembly comprising a production screen assembly having at least one production screen valve;
- running in the production assemblies on production tubing;
- setting a production packer associated with the production assemblies;
- locating a completion tool assembly in a lowermost production zone assembly, the tool assembly having a deactivated opening tool that is activated after the tool has passed below a last production screen valve;
- cycling the tool assembly within a production zone to index the completion system to a formation treatment condition;
- and
- treating the production zone.
4 more elements
A single trip well completion system, comprising:
- a completion assembly comprising a plurality of production zone assemblies corresponding to formation zones in the well bore and adapted to be run in on production tubing;
- and
- a completion tool assembly adapted to operate within the completion assembly;
- an automatic completion system locating assembly operable between the completion assembly and the tool system to cycle the completion system between a plurality of operating conditions.
1 more element
Dependencies are inferred from the claim text.