Patent application number | Description | Published |
20090308656 | High power umbilicals for subterranean electric drilling machines and remotely operated vehicles - Method and required apparatus to provide the closed-loop feedback control of a remote electric motor that has specific required operating parameters which is used to turn a rotary drill bit to drill a borehole in the earth that receives electrical energy through a long umbilical possessing insulated electrical conduits that includes the steps of measuring a set of electrical parameters with a multiplicity of sensors located near the electric motor, sending that measured information to a computer on the surface of the earth, comparing the measured information with the required operating parameters within the computer, adjusting an uphole power generator system to adjust its electrical output parameters to provide electrical energy to a portion of the umbilical located on the surface of the earth, repeating the measurements and adjustments to provide the closed-loop feedback control of the electric motor having specific required operating parameters. | 12-17-2009 |
20110036560 | Long-lasting hydraulic seals for smart shuttles, for coiled tubing injectors, and for pipeline pigs - A well conveyance apparatus for conveying equipment into a wellbore possessing long-lasting movable and slidable hydraulic seals against the interior of a borehole casing located within a wellbore in a geological formation in the earth that is caused to move by the application of pressurized wellbore fluids against the seals. The seals are allowed to rotate on bearings about the tool mandrel to prevent the build-up of torque on the seals to minimize wear and to extend the life of the seals. Vibratory means are attached to the tool mandrel to vibrate the sealing portion of the seals, so as the extend the life of the seals and to minimize wear of the seals. Sensor arrays provide information to a computer system that is used to control the vibratory means, pressure relief valves, and other parameters to minimize wear of the hydraulic seals. | 02-17-2011 |
20110214920 | Universal drilling and completion system - Methods and apparatus are described to drill and complete wellbores. Such wellbores include extended reach horizontal wellbores, for example in shales, deep subsea extended reach wellbores, and multilateral wellbores. Specifically, the invention provides simple threaded subassemblies that are added to existing threaded tubular drilling and completion equipment which are used to dramatically increase the lateral reach using that existing on-site equipment. These subassemblies extract power from downward flowing clean mud, or other fluids, in an annulus to provide additional force or torque on tubular elements within the wellbore, while maintaining circulation, to extend the lateral reach of the drilling equipment and completion equipment. These added elements include combinations of The Leaky Seal™, a Cross-Over, The Force Sub™ and The Torque Sub™. The use of such additional simple elements allow lighter drilling equipment to be used to reach a given lateral distance, therefore reducing drilling costs. | 09-08-2011 |
20110292758 | Method for Deployment of Seismic Recorder Array With Removable Data Recorders - A method of deploying a seismic recorder array on a seafloor is disclosed. The seismic recorder array comprises a plurality of removable seismic data recorders. The method comprises the step of forming the seismic recorder array by connecting a plurality of recorder housings in series, wherein adjacent recorder housings are connected by a connector cable. The recorder housings are configured to retain the removable seismic data recorders. The method comprises the step of loading the plurality of removable seismic data recorders in the recorder housings, and lowering the seismic recorder array into water until the seismic recorder array is positioned on the seafloor underlying the water. The method comprises the step of operating the seismic data recorders to detect seismic signal reflections and to record seismic data representing the reflections. | 12-01-2011 |
20140196953 | Drilling apparatus - A drilling apparatus comprised of a multiplicity of subassemblies for drilling an open-hole extension from within an existing cased borehole located in a geological formation for the production of oil and gas. In one embodiment, one subassembly includes a motor located within a cased section of the borehole that rotates a drill pipe segment attached to a rotary drill bit in the open-hole to drill the open-hole extension of the well. In another embodiment, a shroud encloses the motor located within the cased portion of the well that is used to control the mud flow to and from the bit in the open-hole during the drilling process. | 07-17-2014 |
20150315863 | UNIVERSAL DRILLING AND COMPLETION SYSTEM - Methods and apparatus are described to drill and complete wellbores. Such wellbores include extended reach horizontal wellbores, for example in shales, deep subsea extended reach wellbores, and multilateral wellbores. Specifically, the invention provides simple threaded subassemblies that are added to existing threaded tubular drilling and completion equipment which are used to dramatically increase the lateral reach using that existing on-site equipment. These subassemblies extract power from downward flowing clean mud, or other fluids, in an annulus to provide additional force or torque on tubular elements within the wellbore, while maintaining circulation, to extend the lateral reach of the drilling equipment and completion equipment. These added elements include combinations of The Leaky Seal™, a Cross-Over, The Force Sub™ and The Torque Sub™. The use of such additional simple elements allow lighter drilling equipment to be used to reach a given lateral distance, therefore reducing drilling costs. | 11-05-2015 |
Patent application number | Description | Published |
20090216145 | SYSTEM AND METHOD FOR ANALYZING AN IMPEDANCE COURSE - A system which generates a warning signal in the event of looming pulmonary edema and/or looming decompensation. The system has an impedance detection unit for determining impedance values, which represent a transthoracic impedance course, and an impedance analysis unit ( | 08-27-2009 |
20100010354 | IMPLANTABLE ULTRASONIC MEASUREMENT ARRANGEMENT - An implantable measurement arrangement for intracorporeal acoustic measurement of geometric parameters and motion parameters in and on organs and/or tissues of a patient includes an implantable device, in particular an electromedical device; an implantable sonic transducer for transmitting and receiving ultrasonic waves, the transducer being in signal connection with the implantable device; and an implantable reflector in communication with the implantable device and situated at a distance from the sonic transducer for reflecting the ultrasonic waves back in the direction of the sonic transducer. The electromedical device can analyze the ultrasonic waves picked up and reflected back by the sonic transducer. | 01-14-2010 |
20100056888 | IMPLANTABLE BIOSENSOR AND SENSOR ARRANGEMENT - An implantable biosensor, which comprises a measuring (or first) chamber filled with the test fluid, which is able to convert a change of the concentration of a predetermined analyte or ion type into a change of a physical variable. To this end, the measuring chamber is closed by at least one membrane, which is permeable to the analyte or ion type and impermeable to the test fluid. In addition, the biosensor is equipped with at least one microacoustic sensor, which is operatively connected to the test fluid such that it can detect the physical variable that changes with the concentration of the analyte or ion type. Further relates to a sensor arrangement comprising at least one such implantable biosensor, the arrangement including a polling system that is wirelessly coupled to the biosensor. | 03-04-2010 |
20100171492 | DEGRADATION AND INTEGRITY MEASURING DEVICE FOR ABSORBABLE METAL IMPLANTS - The present invention relates to a measuring device including a sensor catheter, an evaluation unit, and means for receiving a magnetic field and converting the magnetic field to an electrical measurement signal which are situated in the sensor catheter and connected to the evaluation unit. The evaluation unit is designed to evaluate the electrical measurement signal. | 07-08-2010 |
20100268041 | APPARATUS AND METHOD FOR PROCESSING PHYSIOLOGICAL MEASUREMENT VALUES - A monitoring apparatus having a signal input for signals representing measurement values of one or more physiological parameters, and an evaluation and processing unit connected to the signal input. The evaluation and processing unit is designed to select, or differently weight, individual values from the values received for further processing based on one or more criteria such that measurement values raising doubts as to the validity thereof are not selected or given a very low weighting. | 10-21-2010 |
20100268294 | HEART MONITOR - Embodiments relate to a heart monitor, which is connected to or can be connected to at least one sensor for pressure and volume data or equivalent substitute variables and which comprises an evaluation unit for processing at least one input signal reflecting the temporal course of pressure and volume data or equivalent substitute variables of the heart. The evaluation unit is configured such that it segments the input signal in accordance with individual completed cardiac cycles and examines segments of the input signal obtained in this way as to whether a particular segment of the input signal represents a PV diagram, which corresponds to specified quality conditions regarding the direction of circulation, morphology and distance between a starting and end values. | 10-21-2010 |
20110224520 | ELECTROMEDICAL IMPLANT AND MONITORING SYSTEM - An electromedical implant for monitoring a thoracic property of a living being is provided that includes a detector arrangement including an impedance measuring unit and an electrode arrangement, which are equipped to capture a measurement signal associated with the thoracic property in the form of an impedance signal; a monitoring arrangement, which is connected to the detector arrangement and equipped to generate a parameter from the measurement signal that is indicative of the thoracic property, and an evaluation unit, which is connected to the monitoring arrangement and equipped to determine an evaluation result regarding the thoracic property based on the parameter. According to the invention, the electrode arrangement comprises at least a plurality of mutually isolated electrodes, which are disposed on the housing and operatively connected by way of the impedance measuring unit and which can be separately controlled, wherein an electrode body has a strip shape. | 09-15-2011 |
20120203113 | BLOOD FLOW SENSOR - A blood flow rate sensor has at least one transmitter for emitting waves into a blood vessel, the propagation of which is deflected by cellular blood components, and at least two receiver units for receiving waves emitted by the transmitter. The receiver units are spaced from each other in the direction of blood flow, and are situated such that each receives waves from a different path through the blood. The output signal of each receiver unit is filtered or otherwise processed to obtain a noise component, and the noise components from the receiver units are cross-correlated to determine a time offset between the output signals. The time offset is inversely proportional to the blood flow rate. | 08-09-2012 |
20120245476 | IMPLANTABLE MEDICAL DEVICE - An implantable medical device includes an integrated or connectable implantable three-dimensional acceleration sensor, and a ballistocardiogram (BCG) capturing unit that is connected or connectable to the acceleration sensor. The BCG evaluation unit processes an acceleration signal provided by the acceleration sensor and derives a BCG from the 3D accelerometer output signal. A BCG evaluation unit is connected to the BCG capturing unit, and is designed to evaluate a BCG provided by the BCG capturing unit and supply an output signal representing stroke volume. | 09-27-2012 |
20130023740 | DEVICE AND METHOD FOR MONITORING PHYSIOLOGICAL SIGNALS - An implantable device includes a posture sensor and a physiological signal sensor. The posture sensor supplies at least one first sensor output signal indicating body posture and/or changes therein. The physiological signal sensor supplies at least one second sensor output signal indicative of at least one physiological parameter such as blood pressure, intracardiac impedance, stroke volume, heart sounds, heart rate, and/or biochemical measurements (e.g., oxygen concentration). An evaluation unit processes the first and second sensor output signals and determines one or more variables that describe the dynamic behavior of the second sensor output signal in response to a change in body posture indicated by the first sensor output signal. | 01-24-2013 |
20130053907 | COMPARISON OF RIGHT-VENTRICULAR AND LEFT-VENTRICULAR CONTRACTION USING AN ACCELEROMETER IN AN ARTERY CLOSE TO THE HEART - An implantable medical device includes a multi-axial acceleration sensor and an evaluation unit connected thereto. The evaluation unit is configured to (1) split the accelerometer output signal into at least two signal components, one of which is associated with a right-ventricular contraction and another of which is associated with a left-ventricular contraction; (2) detect events in the signal components, and/or determine signal features therein; and (3) determine at least one characteristic value K by evaluating the signal components, and/or the events and/or signal features therein. | 02-28-2013 |
20130109933 | IMPLANT | 05-02-2013 |
20130150695 | Medical Implant and Medical Arrangement - A medical implant comprising a transducer element which induces mechanical vibrations of the implant when electrically and/or magnetically controlled. | 06-13-2013 |