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(12) Patent: | (11) CA 2190658 |
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(54) English Title: | OUTIL ARTICULE DE FORAGE |
(54) French Title: | HINGED DRILLING TOOL |
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: | 1999-09-28 |
(86) PCT Filing Date: | 1995-06-14 |
(87) Open to Public Inspection: | 1995-12-21 |
Examination requested: | 1997-06-10 |
Availability of licence: | N/A |
Dedicated to the Public: | N/A |
(25) Language of filing: | French |
Patent Cooperation Treaty (PCT): | Yes |
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(86) PCT Filing Number: | PCT/FR1995/000779 |
(87) International Publication Number: | FR1995000779 |
(85) National Entry: | 1996-11-18 |
(30) Application Priority Data: | ||||||
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The invention relates to a tool for drilling oil, gas or geothermic wells. The tool is comprised of two main members, a hollow shaft (1) and a blind tool body (2) more elongate than conventional tool bodies; the two main members are spherically connected to each other by means of a ball joint (4, 5). Said ball joint is located at the very bottom of the blind portion of the tool body which carries a stabilizer (19) at the other end. The tool is also provided, between the hollow shaft and the tool body, with an appropriate transmission system (6, 7, 8, 9, 11), which is spaced apart from the ball joint and situated between the latter and the stabilizer. The essential advantage of said tool lies in the relative position of the ball joint and the stabilizer, said positioning conferring on the tool a favourable dynamic behaviour, without risk of buttressing. Field of application: drilling of oil wells, gas wells and geothermic wells.
L'invention se rapporte à un outil pour le forage de puits pétroliers, gaziers ou
géothermiques, l'outil comporte deux organes principaux, un arbre creux (1) et un corps
d'outil borgne (2) plus élancé que celui des corps d'outils traditionnels, les deux organes
principaux sont mis en liaison sphérique l'un avec l'autre par une rotule (4, 5). Cette
rotule se trouve locatisée tout au fond de la partie borgne du corps d'outil qui porte un
stabilisateur (19) à son autre extrémité. L'outil contient en outre, entre l'arbre creux et le
corps d'outil, un système de transmission approprié (6, 7, 8, 9, 11), séparé de la rotule et
situé entre elle et le stabilisateur. L'avantage essentiel de cet outil réside dans la position
relative de la rotule et du stabilisateur, qui lui confère un comportement dynamique
favorable, sans risque d'arc-boutement. Domaine d'utilisation: forages pétroliers, gaziers
et géothermiques.
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.
2024-08-01:As part of the Next Generation Patents (NGP) transition, the Canadian Patents Database (CPD) now contains a more detailed Event History, which replicates the Event Log of our new back-office solution.
Please note that "Inactive:" events refers to events no longer in use in our new back-office solution.
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Description | Date |
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Inactive: IPC from MCD | 2006-03-12 |
Inactive: IPC from MCD | 2006-03-12 |
Time Limit for Reversal Expired | 2004-06-14 |
Letter Sent | 2003-06-16 |
Grant by Issuance | 1999-09-28 |
Inactive: Cover page published | 1999-09-27 |
Inactive: Final fee received | 1999-07-06 |
Pre-grant | 1999-07-06 |
Letter Sent | 1999-03-04 |
Notice of Allowance is Issued | 1999-03-04 |
Notice of Allowance is Issued | 1999-03-04 |
Inactive: Approved for allowance (AFA) | 1999-02-16 |
Inactive: Status info is complete as of Log entry date | 1997-07-30 |
Inactive: Application prosecuted on TS as of Log entry date | 1997-07-30 |
Inactive: RFE acknowledged - Prior art enquiry | 1997-07-24 |
Request for Examination Requirements Determined Compliant | 1997-06-10 |
All Requirements for Examination Determined Compliant | 1997-06-10 |
Application Published (Open to Public Inspection) | 1995-12-21 |
There is no abandonment history.
The last payment was received on 1999-06-01
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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MF (application, 2nd anniv.) - small | 02 | 1997-06-16 | 1997-06-02 |
Request for examination - small | 1997-06-10 | ||
MF (application, 3rd anniv.) - small | 03 | 1998-06-15 | 1998-05-27 |
MF (application, 4th anniv.) - small | 04 | 1999-06-14 | 1999-06-01 |
Final fee - small | 1999-07-06 | ||
MF (patent, 5th anniv.) - small | 2000-06-14 | 2000-06-02 | |
MF (patent, 6th anniv.) - small | 2001-06-14 | 2001-06-04 | |
MF (patent, 7th anniv.) - small | 2002-06-14 | 2002-06-04 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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ANDRE LEROY |
Past Owners on Record |
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None |