1
Andre Cendre, Jean Boulet: Actuator for an appliance associated with a ducted body, especially a drill rod. SMF International, Fay Sharpe Beall Fagan Minnich & McKee, April 18, 1989: US04821817 (57 worldwide citation)

The device has, inside a duct (11) through which flows an incompressible fluid, a first profiled throttling element (17), a differential piston (10) subjected on one side to the pressure upstream of the profiled element (17) and on the other side to the pressure reduced by the element (17), a profil ...


2
Andre Cendre, Jean Boulet: Remote control actuation device. SMF International, Fay Sharpe Beall Fagan Minnich & McKee, August 28, 1990: US04951760 (50 worldwide citation)

An actuator for an appliance associated with a ducted body, through the duct of which flows an incompressible fluid, includes a differential piston axially moveable within the duct and operatively connected to the appliance. The piston has a tubular shape and a central bore which includes a first pr ...


3
Andre Cendre, Jean Boulet: Drilling device having a controlled path. SMF International, Fay Sharpe Beall Fagan Minnich & McKee, July 4, 1989: US04844178 (27 worldwide citation)

The drilling device comprises at least two stabilizers (7a, 7b, 7c) spaced apart in the longitudinal direction of the set of rods. The pistons (17a, 17b, 17c) of these stabilizers are interconnected and include common members (35, 37) for creating a pressure drop in the drilling fluid. Actuating sur ...


4
Andre Cendre, Jean Boulet: Method and device for adjusting the path of a drilling tool fixed to the end of a set of rods. SMF International, Fay Sharpe Beall Fagan Minnich & McKee, July 18, 1989: US04848488 (20 worldwide citation)

The set of rods comprises at least two stabilizers (5,6) spaced apart along the length of the set of rods (1) and each comprising a body (10), at least one bearing plate (9) and means (21, 23) for actuating the bearing plate (9). The actuating means (21, 23, 21', 23') of each of the stabilizers (5, ...


5
Jean Boulet, Pierre Morin: Device for the remote adjustment of the relative orientation of two sections of a column. SMF International, Institut Francais du Petrole, Fay Sharpe Beall Fagan Minnich & McKee, June 6, 1989: US04836303 (10 worldwide citation)

The device comprises a variable-angle elbow coupling (14) interposed between the ends (12, 13) of two successive sections of a column. The coupling (14) comprises a first rectilinear tubular element (14a) and a second rectilinear tubular element (14b) connected to the element (14a) and mounted to be ...


6

7
Morin Pierre, Boulet Jean: Dispositif de reglage a distance de lorientation relative de deux troncons dune colonne, Remote adjustment device controlling the relative position of two interconnected drill stems. Morin Pierre, Boulet Jean, Institut Francais du Petrole, Smf International, OGILVY RENAULT, January 21, 1992: CA1294604

Soci�t� dite : SMF INTERNATIONALSoci�t� dite : INSTITUT FRANCAIS OU PETROLE Dispositif de r�glage � distance de l'orientationrelative de deux tron�ons d'une colonne ABREGE DU CONTENU TECHNIQUE DE L'INVENTION Le dispositif est constitu� par un raccordcoud� (14) � angle variable intercal� entra les ex ...


8
Cendre Andre, Bosgiraud Jean Michel: Element constitutif dune ligne dancrage catenaire, ligne dancrage comportant un tel element, et dispositif et procede de mise en oeuvre de cette ligne dancrage, Component part of a catenary anchor line, anchor line comprising such component part, and device and process for implementing such anchor line. Seamet International, Smf International, ROBIC, July 20, 1993: CA1320396

PRECIS DE LA DIVULGATION La ligne d'ancrage est constitu�e par une pluralit�d'�l�ments successifs reli�s entre eux de mani�re articul�e etconstitues chacun par un tube ferm� de fa�on �tanche � l'eau a chacunede ses extr�mit�s d�limitant un volume int�rieur rempli d'air. Laligne comporte une extr�mit ...


9
Anderli Senderli, Jane Berit: Telecontrolled operating device. Smf International, YANG WU XU BIN, May 11, 1988: CN86104625

A throttle element of the curved surface of the first stage and a differential piston are mounted inside the duct of device (with the incompressible fluid existing in the duct). One end of the differential piston is controlled by upstream pressure, while the other end is controlled by the reduced pr ...


10
Jean Boulet: Drill string element having at least one bearing zone, a drill string, and a tool joint. Smf International, Sughrue Mion Pllc, October 7, 2004: US20040195009-A1

The drill string element has at least one bearing zone for bearing against the wall of the borehole during drilling. The bearing zone comprises at least one bearing segment extending in the axial direction and having an outside surface that is cylindrical and of constant diameter greater than the di ...