ZONAL CONTACT WITH CEMENTING AND FRACTURE TREATMENT IN ONE TRIP

Title:

ZONAL CONTACT WITH CEMENTING AND FRACTURE TREATMENT IN ONE TRIP

Document Type and Number:

WIPO Patent Application WO/2012/045060

Kind Code:

A3

Abstract:

Systems and methods for fracturing multiple zones in a wellbore are provided. Cement can be pumped through a work string into a first annulus formed between a liner and a wall of the wellbore. One or more first contact valves in the liner can be opened with the work string. Fluid can flow through the work string and the one or more first contact valves to fracture a first zone. One or more second contact valves in the liner can be opened with the work string. Fluid can flow through the work string and the one or more second contact valves to fracture a second zone.

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Inventors:

RYTLEWSKI GARY L (US)

Application Number:

PCT/US2011/054503

Publication Date:

August 02, 2012

Filing Date:

October 01, 2011

Export Citation:

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Assignee:

SCHLUMBERGER CA LTD (CA)
SCHLUMBERGER SERVICES PETROL (FR)
SCHLUMBERGER HOLDINGS (GB)
SCHLUMBERGER TECHNOLOGY BV (NL)
PRAD RES & DEV LTD (GB)
RYTLEWSKI GARY L (US)

International Classes:

E21B43/26; E21B43/267

Foreign References:

US5425424A	1995-06-20
US20060196667A1	2006-09-07
US7591312B2	2009-09-22
US20100012318A1	2010-01-21
US20090078427A1	2009-03-26

Attorney, Agent or Firm:

MATTHEWS, David G. et al. (Rosharon, Texas, US)

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