Country
Full text data for US,EP,CN
Type
Legal Validity
Legal Status
Filing Date
Publication Date
Inventor
Assignee
Click to expand
IPC(Section)
IPC(Class)
IPC(Subclass)
IPC(Group)
IPC(Subgroup)
Agent
Agency
Claims Number
Figures Number
Citation Number of Times
Assignee Number
No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
Application Number Application Number Filing Date Filing Date
Inventor Inventor Assignee Assignee IPC IPC
1 WO2013180822A3
DRILLING SYSTEM
Publication/Patent Number: WO2013180822A3 Publication Date: 2014-06-26 Application Number: 2013032406 Filing Date: 2013-03-15 Inventor: Schaaf, Stuart   Wernig, Marcus D   Assignee: SCHAAF, STUART   WERNIG, MARCUS, D.   TELLUS OILFIELD, INC.   IPC: E21B7/06 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 WO2013180822A2
DRILLING SYSTEM
Publication/Patent Number: WO2013180822A2 Publication Date: 2013-12-05 Application Number: 2013032406 Filing Date: 2013-03-15 Inventor: Schaaf, Stuart   Wernig, Marcus D   Assignee: SCHAAF, STUART   WERNIG, MARCUS, D.   TELLUS OILFIELD, INC.   IPC: E21B7/06 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)
3 BR0201491B1
'FERRAMENTA DE PERFURAÇÃO ROTATIVA PASSÍVEL DE ORIENTAÇÃO'.
Title (English): 1
Publication/Patent Number: BR0201491B1 Publication Date: 2013-10-22 Application Number: 0201491 Filing Date: 2002-04-29 Inventor: Schaaf, Stuart   Pisoni, Atilio C   Martinez, Rubem   Kotsonics, Spyro   Assignee: Schaaf, Stuart   Pisoni, Atilio C   Martinez, Rubem   Kotsonics, Spyro   IPC: E21B Abstract: 'FERRAMENTA DE PERFURAçãO ROTATIVA PASSìVEL DE ORIENTAçãO
4 WO2011129898A3
CONTINUOUSLY VARIABLE TRANSMISSION DEVICE AND METHOD
Publication/Patent Number: WO2011129898A3 Publication Date: 2012-01-26 Application Number: 2011000686 Filing Date: 2011-04-14 Inventor: Schaaf, Stuart   Kliewer, Joe   Assignee: SCHAAF, STUART   ORBITAL TRACTION LIMITED   KLIEWER, JOE   IPC: F16H15/04 Abstract: A variable transmission device and method are disclosed. The variable transmission device comprises: radially inner and outer races
5 WO2011129898A2
CONTINUOUSLY VARIABLE TRANSMISSION DEVICE AND METHOD
Publication/Patent Number: WO2011129898A2 Publication Date: 2011-10-20 Application Number: 2011000686 Filing Date: 2011-04-14 Inventor: Schaaf, Stuart   Kliewer, Joe   Assignee: SCHAAF, STUART   ORBITAL TRACTION LIMITED   KLIEWER, JOE   IPC: F16H15/04 Abstract: A variable transmission device and method are disclosed. The variable transmission device comprises: radially inner and outer races
6 US2010286876A1
POWER SPLIT DEVICE AND METHOD
Publication/Patent Number: US2010286876A1 Publication Date: 2010-11-11 Application Number: 12/718,849 Filing Date: 2010-03-05 Inventor: Schaaf, Stuart   Akehurst, Sam   Assignee: Schaaf, Stuart   Akehurst, Sam   IPC: F16H15/48 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
FLUID MOVEMENT SYSTEMS INCLUDING A CONTINUOUSLY VARIABLE TRANSMISSION
Publication/Patent Number: WO2010085483A3 Publication Date: 2010-09-16 Application Number: 2010021495 Filing Date: 2010-01-20 Inventor: Schaaf, Stuart   Bujold, Michael P   Kliewer, Joseph D   Assignee: SCHAAF, STUART   ORBITAL TRACTION, LTD.   BUJOLD, MICHAEL, P.   KLIEWER, JOSEPH, D.   IPC: F16H47/06 Abstract: A system has a pump with a power input
8 WO2010085483A2
FLUID MOVEMENT SYSTEMS INCLUDING A CONTINUOUSLY VARIABLE TRANSMISSION
Publication/Patent Number: WO2010085483A2 Publication Date: 2010-07-29 Application Number: 2010021495 Filing Date: 2010-01-20 Inventor: Schaaf, Stuart   Bujold, Michael P   Kliewer, Joseph D   Assignee: SCHAAF, STUART   ORBITAL TRACTION, LTD.   BUJOLD, MICHAEL, P.   KLIEWER, JOSEPH, D.   IPC: F16H47/06 Abstract: A system has a pump with a power input
9 WO2009030927A3
POWER SPLIT DEVICE AND METHOD
Publication/Patent Number: WO2009030927A3 Publication Date: 2009-09-11 Application Number: 2008003017 Filing Date: 2008-09-05 Inventor: Schaaf, Stuart   Akehurst, Sam   Assignee: SCHAAF, STUART   AKEHURST, SAM   ORBITAL TRACTION LIMITED   IPC: B60K1/02 Abstract: The variable ratio power split device (30)
10 WO2009030927A2
POWER SPLIT DEVICE AND METHOD
Publication/Patent Number: WO2009030927A2 Publication Date: 2009-03-12 Application Number: 2008003017 Filing Date: 2008-09-05 Inventor: Schaaf, Stuart   Akehurst, Sam   Assignee: SCHAAF, STUART   AKEHURST, SAM   ORBITAL TRACTION LIMITED   IPC: B60K1/02 Abstract: The variable ratio power split device (30)
11 US7401653B2
Substances to stimulate the extraction of crudeoil and a method of processing them
Publication/Patent Number: US7401653B2 Publication Date: 2008-07-22 Application Number: 10/559,585 Filing Date: 2004-04-05 Inventor: Slemcu, Nicolae   Vasiliu, Mircea Ioan Razvan   Toanchina, Cristian Dragos   Assignee: Schaaf, Stuart   Akehurst, Sam   IPC: E21B43/22 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 US2005000733A1
Systems and methods for performing mud pulse telemetry using a continuously variable transmission
Publication/Patent Number: US2005000733A1 Publication Date: 2005-01-06 Application Number: 10/835,521 Filing Date: 2004-04-26 Inventor: Schaaf, Stuart   Assignee: Schaaf, Stuart   IPC: E21B007/04 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 WO2004097160B1
SYSTEM AND METHOD USING A CONTINUOUSLY VARIABLE TRANSMISSION TO CONTROL ONE OR MORE SYSTEM COMPONENTS
Publication/Patent Number: WO2004097160B1 Publication Date: 2005-05-12 Application Number: 2004012753 Filing Date: 2004-04-26 Inventor: Schaaf, Stuart   Assignee: SCHAAF, STUART   INTERSYN TECHNOLOGIES   IPC: E21B3/02 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 WO2004097160A3
SYSTEM AND METHOD USING A CONTINUOUSLY VARIABLE TRANSMISSION TO CONTROL ONE OR MORE SYSTEM COMPONENTS
Publication/Patent Number: WO2004097160A3 Publication Date: 2005-03-10 Application Number: 2004012753 Filing Date: 2004-04-26 Inventor: Schaaf, Stuart   Assignee: SCHAAF, STUART   INTERSYN TECHNOLOGIES   IPC: E21B3/02 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 US2004262044A1
Systems and methods for directionally drilling a borehole using a continuously variable transmission
Publication/Patent Number: US2004262044A1 Publication Date: 2004-12-30 Application Number: 10/831,976 Filing Date: 2004-04-26 Inventor: Schaaf, Stuart   Assignee: Schaaf, Stuart   IPC: E21B007/04 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
SYSTEM AND METHOD USING A CONTINUOUSLY VARIABLE TRANSMISSION TO CONTROL ONE OR MORE SYSTEM COMPONENTS
Publication/Patent Number: WO2004097160A2 Publication Date: 2004-11-11 Application Number: 2004012753 Filing Date: 2004-04-26 Inventor: Schaaf, Stuart   Assignee: SCHAAF, STUART   INTERSYN TECHNOLOGIES   IPC: E21B3/02 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
'FERRAMENTA DE PERFURAÇÃO ROTATIVA PASSÍVEL DE ORIENTAÇÃO'.
Title (English): 1
Publication/Patent Number: BR0201491A Publication Date: 2003-01-07 Application Number: 0201491 Filing Date: 2002-04-29 Inventor: Schaaf, Stuart   Pisoni, Atilio C   Martinez, Rubem   Kotsonics, Spyro   Assignee: Schaaf, Stuart   Pisoni, Atilio C   Martinez, Rubem   Kotsonics, Spyro   IPC: E21B Abstract: 'FERRAMENTA DE PERFURAçãO ROTATIVA PASSìVEL DE ORIENTAçãO
18 US2002179336A1
Drilling tool with non-rotating sleeve
Publication/Patent Number: US2002179336A1 Publication Date: 2002-12-05 Application Number: 10/140,192 Filing Date: 2002-05-06 Inventor: Schaaf, Stuart   Dorel, Alain   Patterson, Albert E.   Assignee: Schaaf, Stuart   Dorel, Alain   Patterson, Albert E.   IPC: E21B007/08 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 US2002175003A1
Rotary steerable drilling tool
Publication/Patent Number: US2002175003A1 Publication Date: 2002-11-28 Application Number: 10/122,108 Filing Date: 2002-04-12 Inventor: Pisoni, Attilio C.   Martinez, Ruben   Kotsonis, Spyro   Schaaf, Stuart   Assignee: Pisoni, Attilio C.   Martinez, Ruben   Kotsonis, Spyro   Schaaf, Stuart   IPC: E21B007/08 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 US2002012837A1
Annular pack
Publication/Patent Number: US2002012837A1 Publication Date: 2002-01-31 Application Number: 09/803,444 Filing Date: 2001-03-09 Inventor: Hensley, Donald E.   Schaaf, Stuart   Milewits, Marvin   Walsh, Fraser   Assignee: Hensley, Donald E.   Schaaf, Stuart   Milewits, Marvin   Walsh, Fraser   IPC: H01M002/08 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