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1
WO2013180822A3
Publication/Patent Number: WO2013180822A3
Publication date: 2014-06-26
Application number: 2013032406
Filing date: 2013-03-15
Abstract: A drilling system for directional drilling of a borehole includes a biasing mechanism (160) having a pivot (170) associated with a lower bearing assembly (125)
2
BR0201491B1
Publication/Patent Number: BR0201491B1
Publication date: 2013-10-22
Application number: 0201491
Filing date: 2002-04-29
IPC: E21B
Abstract: 'FERRAMENTA DE PERFURAçãO ROTATIVA PASSìVEL DE ORIENTAçãO
3
WO2013180822A2
Publication/Patent Number: WO2013180822A2
Publication date: 2013-12-05
Application number: 2013032406
Filing date: 2013-03-15
Abstract: A drilling system for directional drilling of a borehole includes a biasing mechanism (160) having a pivot (170) associated with a lower bearing assembly (125)
4
WO2011129898A3
Publication/Patent Number: WO2011129898A3
Publication date: 2012-01-26
Application number: 2011000686
Filing date: 2011-04-14
Abstract: A variable transmission device and method are disclosed. The variable transmission device comprises: radially inner and outer races
5
WO2011129898A2
Publication/Patent Number: WO2011129898A2
Publication date: 2011-10-20
Application number: 2011000686
Filing date: 2011-04-14
Abstract: A variable transmission device and method are disclosed. The variable transmission device comprises: radially inner and outer races
6
US20100286876A1
Publication/Patent Number: US20100286876A1
Publication date: 2010-11-11
Application number: 12/718,849
Filing date: 2010-03-05
Abstract: A variable power split device having radially inner and outer races, each comprising at least two axially spaced parts. A plurality of planetary members are arranged for rolling contact between the races and a planet follower carrier engages the planetary members. A first rotatable power element spindle connects with the planet follower to couple power between the planet follower carrier and a first power element. A second rotatable power element spindle connects with the inner race to couple power between the inner race and a second power element. A third rotatable power element spindle connects with the outer race to couple power between the outer race and a third power element. Means for adjusting axial separation adjust separation of the axially spaced parts of at least one of the races to vary a power split ratio between the first, second and third rotatable power element spindles. A variable power split device having radially inner and outer races, each comprising at least two axially spaced parts. A plurality of planetary members are arranged for rolling contact between the races and a planet follower carrier engages the planetary members. A first ...more ...less
7
WO2010085483A3
Publication/Patent Number: WO2010085483A3
Publication date: 2010-09-16
Application number: 2010021495
Filing date: 2010-01-20
Abstract: A system has a pump with a power input
8
WO2010085483A2
Publication/Patent Number: WO2010085483A2
Publication date: 2010-07-29
Application number: 2010021495
Filing date: 2010-01-20
Abstract: A system has a pump with a power input
9
WO2009030927A2
Publication/Patent Number: WO2009030927A2
Publication date: 2009-03-12
Application number: 2008003017
Filing date: 2008-09-05
Abstract: The variable ratio power split device (30)
10
WO2009030927A3
Publication/Patent Number: WO2009030927A3
Publication date: 2009-09-11
Application number: 2008003017
Filing date: 2008-09-05
Abstract: The variable ratio power split device (30)
11
US7401653B2
Publication/Patent Number: US7401653B2
Publication date: 2008-07-22
Application number: 10/559,585
Filing date: 2004-04-05
Abstract: Substances to stimulate the extraction of crude oil and a method, of processing them: This invention is about substances to stimulate the extraction of crude oils, especially the ponderous and paraffin one, not clogging the route and the abutting deposits of the oil derrick by changing the deposit's reology and also about solubility of the aggregates which were made from paraffin resins on the oil derrick's circulation route, using a similar chemical vector to the prodrugs from the medicine industry. The substance to stimulate the extraction of crude oil by increasing the fluidization characterized by the fact that 90% from the volume is made by mixing three fractions oil types from the distilled mineral coal: −20-30% phenol oil (fraction distilled from 170-190° C.); −20-40% absorption oil (fraction distilled from 250-270° C.); −20-40% polymerized oil (fraction distilled from 320-350° C.); which is called chemical vector and till 100% is completing itself with organic reactive like solvents, active-tensioned substances, generating gas substances. Substances to stimulate the extraction of crude oil and a method, of processing them: This invention is about substances to stimulate the extraction of crude oils, especially the ponderous and paraffin one, not clogging the route and the abutting deposits of the oil derrick by ...more ...less
12
US20050000733A1
Publication/Patent Number: US20050000733A1
Publication date: 2005-01-06
Application number: 10/835,521
Filing date: 2004-04-26
Inventor: Schaaf, Stuart  
Abstract: Systems and methods for performing mud-pulse telemetry are provided. One system includes a mechanical continuously variable transmission coupled to the modulator. The continuously variable transmission is configured to control the modulator. For example, the continuously variable transmission may be configured to control a relative position of the modulator. The relative position can be rotational position or can be converted to an axial position. In one embodiment, the continuously variable transmission is also configured to alter a frequency at which the modulator operates to modulate an acoustic or pressure wave telemetry signal. In another embodiment, the continuously variable transmission is further configured to control the modulator such that a rate of relative rotation of the modulator is substantially constant. One method includes controlling a modulator of a mud-pulse telemetry system using a continuously variable transmission coupled to the modulator. Systems and methods for performing mud-pulse telemetry are provided. One system includes a mechanical continuously variable transmission coupled to the modulator. The continuously variable transmission is configured to control the modulator. For example, the continuously ...more ...less
13
WO2004097160A3
Publication/Patent Number: WO2004097160A3
Publication date: 2005-03-10
Application number: 2004012753
Filing date: 2004-04-26
Inventor: Schaaf, Stuart  
Abstract: Systems and methods for drilling a borehole are provided. One system includes a continuously variable transmission. An input shaft of the continuously variable transmission is coupled to a power supply. An output shaft of the continuously variable transmission is coupled to one or more system components such that the continuously variable transmission controls rotation of the one or more system components. One method for drilling a borehole includes supplying power to an input shaft of a continuously variable transmission. The method also includes controlling rotation of one or more system components using the continuously variable transmission during drilling of the borehole. The one or more system components are coupled to an output shaft of the continuously variable transmission. Also provided is a borehole that is drilled by this method. Systems and methods for drilling a borehole are provided. One system includes a continuously variable transmission. An input shaft of the continuously variable transmission is coupled to a power supply. An output shaft of the continuously variable transmission is coupled to one ...more ...less
14
WO2004097160B1
Publication/Patent Number: WO2004097160B1
Publication date: 2005-05-12
Application number: 2004012753
Filing date: 2004-04-26
Inventor: Schaaf, Stuart  
Abstract: Systems and methods for drilling a borehole are provided. One system includes a continuously variable transmission. An input shaft of the continuously variable transmission is coupled to a power supply. An output shaft of the continuously variable transmission is coupled to one or more system components such that the continuously variable transmission controls rotation of the one or more system components. One method for drilling a borehole includes supplying power to an input shaft of a continuously variable transmission. The method also includes controlling rotation of one or more system components using the continuously variable transmission during drilling of the borehole. The one or more system components are coupled to an output shaft of the continuously variable transmission. Also provided is a borehole that is drilled by this method. Systems and methods for drilling a borehole are provided. One system includes a continuously variable transmission. An input shaft of the continuously variable transmission is coupled to a power supply. An output shaft of the continuously variable transmission is coupled to one ...more ...less
15
US20040262044A1
Publication/Patent Number: US20040262044A1
Publication date: 2004-12-30
Application number: 10/831,976
Filing date: 2004-04-26
Inventor: Schaaf, Stuart  
Abstract: Systems and methods for directionally drilling a borehole are provided. One system includes a biasing subsystem that is configured to control a tendency of a bottom hole assembly during drilling of the borehole. The system also includes a continuously variable transmission. An output shaft of the continuously variable transmission is coupled to the biasing subsystem such that the continuously variable transmission is configured to control relative rotation of one or more components of the biasing subsystem during the drilling. One method includes controlling a tendency of a bottom hole assembly during drilling of the borehole using a biasing subsystem. The method also includes controlling relative rotation of one or more components of the biasing subsystem using a continuously variable transmission during the drilling. The one or more components are coupled to an output shaft of the continuously variable transmission. Systems and methods for directionally drilling a borehole are provided. One system includes a biasing subsystem that is configured to control a tendency of a bottom hole assembly during drilling of the borehole. The system also includes a continuously variable transmission. An ...more ...less
16
WO2004097160A2
Publication/Patent Number: WO2004097160A2
Publication date: 2004-11-11
Application number: 2004012753
Filing date: 2004-04-26
Inventor: Schaaf, Stuart  
Abstract: Systems and methods for drilling a borehole are provided. One system includes a continuously variable transmission. An input shaft of the continuously variable transmission is coupled to a power supply. An output shaft of the continuously variable transmission is coupled to one or more system components such that the continuously variable transmission controls rotation of the one or more system components. One method for drilling a borehole includes supplying power to an input shaft of a continuously variable transmission. The method also includes controlling rotation of one or more system components using the continuously variable transmission during drilling of the borehole. The one or more system components are coupled to an output shaft of the continuously variable transmission. Also provided is a borehole that is drilled by this method. Systems and methods for drilling a borehole are provided. One system includes a continuously variable transmission. An input shaft of the continuously variable transmission is coupled to a power supply. An output shaft of the continuously variable transmission is coupled to one ...more ...less
17
BR0201491A
Publication/Patent Number: BR0201491A
Publication date: 2003-01-07
Application number: 0201491
Filing date: 2002-04-29
IPC: E21B
Abstract: 'FERRAMENTA DE PERFURAçãO ROTATIVA PASSìVEL DE ORIENTAçãO
18
US20020179336A1
Publication/Patent Number: US20020179336A1
Publication date: 2002-12-05
Application number: 10/140,192
Filing date: 2002-05-06
Abstract: The invention refers to a drilling tool and method that, among other aspects, provides for a sleeve with expansible pads for positioning the drilling tool in the desired direction during drilling. The pads are hydraulically expanded and retracted by a valve system which selectively diverts mud flowing through the tool to the desired pads. The tool may also be provided with a flexible tube connecting the sleeve to drilling tool for maneuvering along deviations or curves in the wellbore. The invention refers to a drilling tool and method that, among other aspects, provides for a sleeve with expansible pads for positioning the drilling tool in the desired direction during drilling. The pads are hydraulically expanded and retracted by a valve system which ...more ...less
19
US20020175003A1
Publication/Patent Number: US20020175003A1
Publication date: 2002-11-28
Application number: 10/122,108
Filing date: 2002-04-12
Abstract: The invention refers to a rotary steerable drilling tool having a tool collar and a bit shaft. The bit shaft is supported within the tool collar for pivotal movement about a fixed position along the bit shaft. Moreover, the rotary steerable drilling tool includes a variable bit shaft angulating mechanism, located within the interior of the tool collar. The variable bit shaft angulating mechanism includes a motor, an offset mandrel, and a variable offset coupling. The motor is attached to the upper end of the offset mandrel and adapted to rotate the offset mandrel. The upper end of the variable offset coupling is uncoupleably attached to an offset location of the lower end of the offset mandrel, and the upper end of the bit shaft is rotatably coupled to the variable offset coupling. The rotary steerable drilling tool also includes a torque transmitting coupling adapted to transmit torque from the tool collar to the bit shaft at the fixed position along the bit shaft. Finally, a seal system is adapted to seal between the lower end of the tool collar and the bit shaft. The invention refers to a rotary steerable drilling tool having a tool collar and a bit shaft. The bit shaft is supported within the tool collar for pivotal movement about a fixed position along the bit shaft. Moreover, the rotary steerable drilling tool includes a variable bit ...more ...less
20
US20020012837A1
Publication/Patent Number: US20020012837A1
Publication date: 2002-01-31
Application number: 09/803,444
Filing date: 2001-03-09
Abstract: An annular pack for a cylindrical member for use in a wellbore includes a housing adapted to be mounted about an exterior circumference of the cylindrical member. The housing has mutually engagable annular segments. At least one of the annular segments defines a chamber for housing an electrical device. An annular pack for a cylindrical member for use in a wellbore includes a housing adapted to be mounted about an exterior circumference of the cylindrical member. The housing has mutually engagable annular segments. At least one of the annular segments defines a chamber for ...more ...less