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(12) Patent: | (11) CA 2518879 |
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(54) English Title: | METHODE ET SYSTEME DE FORAGE AVEC CIRCULATION INVERSE |
(54) French Title: | METHOD AND SYSTEM FOR REVERSE CIRCULATION DRILLING |
Status: | Expired and beyond the Period of Reversal |
(51) International Patent Classification (IPC): |
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(72) Inventors : |
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(73) Owners : |
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(71) Applicants : |
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(74) Agent: | ROBIC AGENCE PI S.E.C./ROBIC IP AGENCY LP |
(74) Associate agent: | |
(45) Issued: | 2013-12-03 |
(22) Filed Date: | 2005-09-13 |
(41) Open to Public Inspection: | 2006-03-17 |
Examination requested: | 2010-08-27 |
Availability of licence: | N/A |
Dedicated to the Public: | N/A |
(25) Language of filing: | French |
Patent Cooperation Treaty (PCT): | No |
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(30) Application Priority Data: | ||||||
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This invention concerns a circulation drilling method and system including: - a drilling tool, - a drill string including drilling rods, - the means to cause the rotation of the tool using the rods. The system includes a displacement pump comprising a stator and a rotor, the stator being incorporated into the said drilling rods and the rotor assembled to the manoeuvre rods located inside the drilling rods.
- La présente invention concerne une méthode et un système de forage en circulation comportant: - un outil de forage, - une garniture de forage comportant des tiges de forage, - des moyens de mise en rotation de l'outil par l'intermédiaire des tiges. Le système comporte une pompe volumétrique constituée d'un stator et d'un rotor, le stator étant incorporé audites tiges de forage, et le rotor est assemblé à des tiges de manoeuvre disposées à l'intérieur des tiges de forage.
Note: Claims are shown in the official language in which they were submitted.
Note: Descriptions are shown in the official language in which they were submitted.
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Description | Date |
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Time Limit for Reversal Expired | 2017-09-13 |
Letter Sent | 2016-09-13 |
Grant by Issuance | 2013-12-03 |
Inactive: Cover page published | 2013-12-02 |
Letter Sent | 2013-07-23 |
Inactive: Final fee received | 2013-07-12 |
Pre-grant | 2013-07-12 |
Inactive: Single transfer | 2013-07-04 |
Notice of Allowance is Issued | 2013-01-14 |
Letter Sent | 2013-01-14 |
Notice of Allowance is Issued | 2013-01-14 |
Inactive: Approved for allowance (AFA) | 2013-01-10 |
Amendment Received - Voluntary Amendment | 2012-10-17 |
Inactive: S.30(2) Rules - Examiner requisition | 2012-05-23 |
Amendment Received - Voluntary Amendment | 2010-10-01 |
Letter Sent | 2010-09-09 |
Request for Examination Requirements Determined Compliant | 2010-08-27 |
All Requirements for Examination Determined Compliant | 2010-08-27 |
Request for Examination Received | 2010-08-27 |
Inactive: Correspondence - MF | 2010-08-10 |
Application Published (Open to Public Inspection) | 2006-03-17 |
Inactive: Cover page published | 2006-03-16 |
Letter Sent | 2006-03-07 |
Inactive: Single transfer | 2006-01-19 |
Inactive: First IPC assigned | 2005-11-24 |
Inactive: Courtesy letter - Evidence | 2005-10-25 |
Inactive: Filing certificate - No RFE (French) | 2005-10-21 |
Application Received - Regular National | 2005-10-21 |
There is no abandonment history.
The last payment was received on 2013-08-30
Note : If the full payment has not been received on or before the date indicated, a further fee may be required which may be one of the following
Patent fees are adjusted on the 1st of January every year. The amounts above are the current amounts if received by December 31 of the current year.
Please refer to the CIPO
Patent Fees
web page to see all current fee amounts.
Fee Type | Anniversary Year | Due Date | Paid Date |
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Application fee - standard | 2005-09-13 | ||
Registration of a document | 2006-01-19 | ||
MF (application, 2nd anniv.) - standard | 02 | 2007-09-13 | 2007-08-14 |
MF (application, 3rd anniv.) - standard | 03 | 2008-09-15 | 2008-08-26 |
MF (application, 4th anniv.) - standard | 04 | 2009-09-14 | 2009-08-27 |
MF (application, 5th anniv.) - standard | 05 | 2010-09-13 | 2010-08-26 |
Request for examination - standard | 2010-08-27 | ||
MF (application, 6th anniv.) - standard | 06 | 2011-09-13 | 2011-08-31 |
MF (application, 7th anniv.) - standard | 07 | 2012-09-13 | 2012-08-30 |
Registration of a document | 2013-07-04 | ||
Final fee - standard | 2013-07-12 | ||
MF (application, 8th anniv.) - standard | 08 | 2013-09-13 | 2013-08-30 |
MF (patent, 9th anniv.) - standard | 2014-09-15 | 2014-08-29 | |
MF (patent, 10th anniv.) - standard | 2015-09-14 | 2015-08-28 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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IFP ENERGIES NOUVELLES |
Past Owners on Record |
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BENOIT AMAUDRIC DU CHAFFAUT |
CHRISTIAN WITTRISCH |