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Match Document Document Title
US20110020160 Processing Cavity Pump and an Associated Pump Device  
A progressing cavity pump comprises a stator having an inlet end for coupling to a fluid-receiving casing, the pump including an anchor element suitable for fastening the inlet end of the stator...
US20080080996 Screw rotor  
The present invention is to provide a screw rotor including a resin rotor formed around a metallic shaft without generation of cracks. Spiral chamfers are formed on surfaces of metallic shafts...
US20110150685 Stator to Housing Lock in a Progressing Cavity Pump  
A reinforcing interface between the stator and its housing in a progressing cavity pump is created from ribs extending inwardly into the stator from the housing inner wall that can be...
US20130224053 Coaxial progressive cavity pump  
This invention relates a progressive cavity pump with a central feed-through for supplying steam, gas or liquids to the supply side of the pump. For the oil industry this invention enables single...
US20120237380 Downhole Backspin Retarder for Progressive Cavity Pump  
A backspin retarder for a progressive cavity pump deploys on the drive string uphole from a pump unit. The backspin retarder has a shaft that connects to portions of the drive string. An impeller...
US20110150686 PROGRESSIVE CAVITY HYDRAULIC MACHINE  
This invention relates to machine-building, more specifically, to the design and manufacturing of positive displacement motors various embodiments of which are used for hydrocarbon production.
US20070059191 Stator system  
The invention relates to an eccentric screw pump and a method for its operation. Unlike the previously known prior art, where changes to the internal geometry of the pump stator caused by wear...
US20090169404 HIGH TEMPERATURE PROGRESSIVE CAVITY MOTOR OR PUMP COMPONENT AND METHOD OF FABRICATION  
The present application discloses a progressive cavity motor or pump component, either stator or rotor, which provides a high glass transition temperature polymeric surface on the component which...
US20150233373 GRAPHENE ENHANCED ELASTOMERIC STATOR  
An enhanced elastomeric stator assembly and method of making the same is disclosed. The elastomeric stator may be structurally, thermally, and/or chemically enhanced through the incorporation of...
US20070104595 Eccentric Screw Pump With Integrated Drive  
The invention relates to an eccentric screw pump which includes a stator and a rotor rotating therein as well as a drive motor for driving the rotor. The armature of the drive motor is...
US20150139842 PROGRESSIVE CAVITY PUMP  
A progressive cavity pump comprising a casing, a helical stator including a helical cylinder and a helical rotor capable of rotating inside said helical cylinder. The helical stator also comprises...
US20070172371 POSITIVE DISPLACEMENT MOTOR/PROGRESSIVE CAVITY PUMP  
Disclosed is a progressive cavity device. In some embodiments, the device includes a stator with an inner surface having a number of lobes and a rotor disposed within the stator and having a...
US20110100017 Open Cycle Gas Turbine System Having An Enhanced Combustion Efficiency  
An open cycle gas turbine system includes a storage tank, a closed helical supplier, a combustor, a gas turbine, a compressor, a propeller and a generator. After the combustion gas in the...
US20120148432 ENHANCED ELASTOMERIC STATOR INSERT VIA REINFORCING AGENT DISTRIBUTION AND ORIENTATION  
A progressive cavity type motor or pump including a stator insert with a reinforcing agent dispersed in a manner to improve properties of the stator insert. The reinforcing agent may be a fiber,...
US20070140882 Eccentric screw pump equipped with erosion-resistant rotor  
An eccentric screw pump or an eccentric screw motor has a rotor formed from at least a tubular jacket with at least two layers. The outer layer of the jacket consists of a material that is...
US20110103989 Progressing Cavity Pump Rubber Reinforcement Device for Rotor Alignment  
A progressing cavity pump assembly utilizes a reinforced upper section of the stator rubber helix. The pump stator is located at the end of a string of tubing. The reinforced upper section of the...
US20080267802 FLUID-GUIDING AND ELECTRIC CONDUCTING SYSTEM FOR SUSPENDED ELECTRIC SUBMERSIBLE PROGRESSING CAVITY PUMP (PCP)  
A fluid-guiding and electric conducting system for a suspended electric submersible PCP comprises a fluid-guiding system and an electric conducting system. The fluid-guiding system comprises an...
US20080050259 Highly reinforced elastomer for use in downhole stators  
A Moineau stator for a downhole drilling motor and a method for fabricating the stator are disclosed. The stator includes an internal helical cavity component fabricated from an improved...
US20080008611 Stator Clamping Device For Eccentric Screw Pump  
The invention relates to a clamping device which clamps the pump stator with the pump housing and an additional pump end part. The width of the clamping bars is at least 20% of the cross section...
US20150118085 Eccentric Screw Pump And Use Of An Eccentric Screw Pump  
An eccentric screw pump for delivering fluid and/or granular media. The pump body of the eccentric screw pump includes an inlet region, a pump unit and an outlet region. A drive unit is assigned...
US20110182761 STATOR FOR USE IN HELICOIDAL MOTOR  
A stator for a helicoidal down-hole drilling motor is formed with a through-hole, in addition to the main stator bore. The through-hole can be a straight hole extending parallel to the axis of the...
US20080304991 Moineu stator including a skeletal reinforcement  
A Moineau style stator includes a helical cavity component having reinforced helical lobes. The lobes are reinforced with a three-dimensional network of physically bonded aggregate particles. The...
US20090110579 EQUAL WALL STATOR  
A method for making a stator assembly including the steps of providing a generally cylindrical stator casing, hydroforming the stator casing into a generally helical shape, and positioning a...
US20080304992 Braze or solder reinforced moineu stator  
A Moineau style stator includes a helical reinforcement component that provides an internal helical cavity. A resilient liner is deployed on an inner surface of the helical reinforcement...
US20100092317 Uniaxial Eccentric Screw Pump  
An object of the present invention is to provide a uniaxial eccentric screw pump capable of transferring and filling a fluid while realizing high flow rate accuracy, low pulsation, and long life....
US20100098569 NANOCOMPOSITE MOINEAU DEVICE  
A Moineau device includes a stator that interfaces to a rotor whereby fluid flows through cavities between the stator and rotor that progress axially as the rotor is rotated relative to the...
US20090220368 POSITIVE DISPLACEMENT CAPTURE DEVICE AND METHOD OF BALANCING POSITIVE DISPLACEMENT CAPTURE DEVICES  
A positive displacement capture apparatus contains a plurality of positive displacement capture devices which each contain a rotor portion positioned inside a casing portion to act as a least area...
US20080310981 POSITIVE DISPLACEMENT FLOW SEPARATOR  
A positive displacement flow separator contains a rotor portion positioned inside a casing portion to act as a least area rotor which captures a volume and moves the volume along the length of the...
US20080310982 POSITIVE DISPLACEMENT FLOW SEPARATOR WITH COMBUSTOR  
A positive displacement flow separator or combustor contains a rotor portion positioned inside a casing portion to act as a least area rotor which captures a volume and moves the volume along the...
US20090136371 Progressing cavity pump assembly and method of operation  
A progressing cavity pump assembly includes a collar assembly connecting a housing and a tubing string, with the collar having an inside diameter upset and the rotor having a rotor head axially...
US20100322808 Progressing Cavity Pump/Motor  
A progressing cavity pump/motor includes a stator tube (12), a rotor (20) within the stator tube, and a coupling assembly (30) interconnecting the upper and lower rotor sections. The coupling...
US20090110578 PROGRESSING CAVITY PUMP WITH SPLIT STATOR  
A progressing cavity pump system including a rotor and a stator having an inner cavity. The rotor is rotationally disposed inside the inner cavity of the stator such that rotation of the rotor...
US20100054976 ECCENTRIC SCREW PUMP  
The present invention relates to an eccentric screw pump (1) comprising an eccentric screw (5) and an elastic element (4) surrounding the latter as well as a drive device, wherein the eccentric...
US20100040498 ROTOR DRIVE MECHANISM, ECCENTRIC SHAFT SEALING STRUCTURE, AND PUMP APPARATUS  
To transfer and fill a fluid with high flow rate accuracy and a long operating life, and realize small size, light weight, low cost, and energy saving. A pump apparatus (39) includes: a first...
US20140308145 PROGRESSING CAVITY STATOR  
Progressing cavity devices and systems are provided. In one embodiment, a system includes a metal stator of a progressing cavity device. The metal stator includes metal plates with apertures that...
US20120181042 No-Go Tag Systems and Methods for Progressive Cavity Pumps  
A stator for a progressive cavity pump comprises a stator housing having a central axis, a first end, and a second end opposite the first end. In addition, the stator comprises a stator liner...
US20130064702 Downhole Motors and Pumps with Asymmetric Lobes  
In an aspect, the disclosure provides an apparatus for use downhole. In one aspect the apparatus includes a rotor with lobes disposed in stator with lobes, wherein at least one of the contours of...
US20140064997 ASYMMETRIC LOBES FOR MOTORS AND PUMPS  
An apparatus for use in a wellbore may include a stator having a bore and a rotor disposed in the bore. Either or both of the rotor and the stator may include a layer that has an asymmetrical...
US20150078943 Tunable Progressive Cavity Pump  
A well pump assembly includes a progressive cavity pump having a stator with an elastomeric inner portion. The stator has an axial cavity with internal lobes; a rotor with external lobes...
US20090226336 AXIAL FLOW POSITIVE DISPLACEMENT TURBINE  
An axial flow positive displacement turbine includes inner and outer bodies having offset inner and outer axes respectively extending between a relatively high pressure inlet and a relatively low...
US20080199339 SAFE BACKSPIN DEVICE  
A safe backspin device is provided to prevent uncontrolled backspin during operation of a progressive cavity pump. The safe backspin device has a bore and in one embodiment a ball that seats...
US20090220369 NON-CONTACT SEAL FOR POSITIVE DISPLACEMENT CAPTURE DEVICE  
A positive displacement capture device contains a rotor portion positioned inside a casing portion to act as a least area rotor which captures a volume and moves the volume along the length of the...
US20100086425 ELECTROFORMED STATOR TUBE FOR A PROGRESSING CAVITY APPARATUS  
A method for use in producing a stator for a progressing cavity apparatus which includes the use of electroforming to produce the stator tube. A stator tube for a progressing cavity apparatus...
US20090223665 WELL TREATMENT USING A PROGRESSIVE CAVITY PUMP  
Embodiments of the present invention include methods and apparatus for treating a formation with fluid using a downhole progressive cavity pump (“PCP”). In one aspect, the direction of the PCP is...
US20130048384 APPARATUS AND METHOD FOR CONTROLLING OR LIMITING ROTOR ORBIT IN MOVING CAVITY MOTORS AND PUMPS  
A moving cavity motor or pump, such as a mud motor, comprising: a rotor, a stator, and one or more apparatus for constraining (i.e., controlling or limiting) the movement of the rotor relative to...
US20120132470 APPARATUS AND METHOD FOR CONTROLLING OR LIMITING ROTOR ORBIT IN MOVING CAVITY MOTORS AND PUMPS  
A moving cavity motor or pump, such as a mud motor, comprising: a rotor, a stator, and one or more apparatus for constraining (i.e., controlling or limiting) the movement of the rotor relative to...
US20140377112 NITROGEN- AND CERAMIC-SURFACE-TREATED COMPONENTS FOR DOWNHOLE MOTORS AND RELATED METHODS  
Downhole motors include a stator, which may be formed from a steel material and comprise a bore. At least one surface of the stator may be treated with a surface treatment. The surface treatment...
US20120318532 Temperature Resistant Downhole Elastomeric Device  
An elastomeric-based device configured for use in high temperature downhole environments exceeding about 400° F. The device includes a carbon nanotube mesh configured to dissipate heat relative...
US20050089429 Composite material progressing cavity stators  
A progressing cavity stator is provided. The progressing cavity stator includes a fiber reinforced composite component providing an internal helical cavity having at least one helical groove and...
US20140134029 Metal Stators  
A stator for a helical gear device is formed from multiple rigid disks and support rings bonded to the disks. Each disk forms part of a profile consisting of radially equally spaced or opened...

Matches 1 - 50 out of 110 1 2 3 >