Patent application number | Description | Published |
20090205797 | FORMING FABRIC WITH EXTENDED SURFACE - A fabric for an advanced dewatering system having a woven fabric, the woven fabric having a paper side and a roll side, the paper side having a paper side surface and the roll side having a roll side surface and a polymer material. The polymer material is deposited onto the fabric and extends above the paper side surface. The polymer material has at least one of a random pattern, a random motif, a pseudo-random pattern, a pseudo-random motif, a predetermined pattern, and a predetermined motif. | 08-20-2009 |
20100032120 | PRESS BELT - The invention is an endless belt for a machine for the production of a fibrous material web, the belt being formed by a flat woven structure and a connecting region. The flat woven structure has longitudinal threads extending in the MD direction and transverse threads extending in the CMD direction. Every longitudinal thread, has a first thread end section, which protrudes beyond the first end of the woven structure, and a second thread end section, which protrudes beyond the second end of the woven structure. The two ends of the flat woven structure are connected to each other by the connecting region, which is formed by weaving the first and second end sections of the longitudinal threads to the second transverse threads, thereby forming a plurality of pairs of a first and a second thread end section, wherein the two thread end sections are disposed directly adjacent to each other and the two thread end sections form a common overlapping region in that the first and second end sections of the pair are woven with the at least consecutive second transverse threads, and the two end sections of the pair follow the same weaving path in the overlapping region. | 02-11-2010 |
20110174456 | FORMING FABRIC WITH EXTENDED SURFACE - A method of forming a structured fibrous web including the steps of supplying a fiber slurry to a nip, the nip being formed by a structured fabric and a forming fabric; dewatering the fiber slurry through the forming fabric to create a web; retaining the web with the structured fabric through at least one dewatering process, the forming fabric including a woven fabric having a paper side and a roll side, the paper side having a paper side surface and said roll side having a roll side surface; and providing a polymer material deposit extending above the paper side surface, the polymer material deposit having at least one of a random pattern, a random motif, a pseudo-random pattern, a pseudo-random motif, a predetermined pattern and a predetermined motif. | 07-21-2011 |
Patent application number | Description | Published |
20110225111 | USE OF GENERAL BAYESIAN NETWORKS IN OILFIELD OPERATIONS - Embodiments of the present invention provide methods of using General Bayesian Networks to automate oilfield operations. In certain aspects, a Monte-Carlo method is used to propagate probability density functions for root-variables to continuous-valued hidden variables reflecting some oilfield operation properties. Evidence in the form of observed properties are used to weight samples used in the Monte-Carlo process thereby propagating the observed values onto other variables. The inferred probability distributions are provided to an oilfield control system or monitoring system. | 09-15-2011 |
20130105220 | SYSTEM AND METHOD FOR TORQUE STABILIZATION OF A DRILLING SYSTEM | 05-02-2013 |
20130135114 | REAL TIME DATA COMPRESSION AND TRANSMISSION - Systems, methods, and devices are provided for compressing a variety of signals, such as measured signals from a hydrocarbon operation, that may be stored and/or transmitted in compressed form. Segmentation tools and techniques are used to compress the signals. Segmentation techniques include breaking a signal into segments and representing the data samples of the signal as segment boundary points, which may reflect where changes occur in the signal, and segment parameters, which may be utilized to model the segmented data. Embodiments can be used in real-time or in batch modes. New data samples can influence previous segment boundary points and/or segment parameters in some cases. Systems may modify what has already been stored or displayed as a result in revising segmentation information based on analysis utilizing the new data samples. Embodiments may utilize different Bayesian analysis techniques including the use of prior probability distributions and maximum a posteriori analyses. | 05-30-2013 |
20130341093 | DRILLING RISK AVOIDANCE - A method can include proposing a new well; accessing data associated with at least one other well where at least a portion of the data includes indicia of uncertainty; performing a geostatistical analysis of the accessed data for an issue for drilling of the new well to provide a probability of occurrence for the issue and an uncertainty for the accessed data; and rendering to a display a graphical representation of the well, the probability of occurrence for the issue and the uncertainty for the accessed data as a function of depth. Various other apparatuses, systems, methods, etc., are also disclosed. | 12-26-2013 |
20140027174 | OPTIMIZED DRILLING - The invention provides a method of optimising the rate of penetration of a hydraulically or pneumatically powered rotor and stator driven drill as it drills a wellbore into the earth, the method comprising: (a) measuring a first set of rotor and stator operating parameters including the weight applied to the drill bit, the speed of rotation of the rotor and rotor torque for a first period of time, (b) generating a first set of relationships from the first set of operating parameters to enable the rotor speed and rotor torque to be predicted over a range of operating parameter values, (c) determining the rate of penetration for the first period of time from measurements of weight applied to the bit and rotation speed of the bit, (d) determining whether any other combination of weight applied to bit and rotation speed of bit, provided by the relationships determined in step (b) are capable of providing a greater rate of penetration, and (e) adjusting at least one operating parameter to move the weight applied to bit and/or speed of rotation of bit towards the combination which provides a first greater rate of penetration. | 01-30-2014 |
20140027175 | DRILLING OPTIMIZATION WITH A DOWNHOLE MOTOR - Optimising the operation of a hydraulically powered rotor and stator driven drill as it drills a wellbore into the earth is described. Drilling optimization is provided measuring a first set of rotor and stator operating parameters including the speed of rotation of the rotor and rotor torque for a first period of time, generating a first set of relationships from the first set of operating parameters to enable the rotor speed and rotor torque to be predicted over a range of operating parameter values, determining from the relationships a first more optimal mode of operation, and changing at least one operating parameter to move the operation of the rotor and stator towards the more optimal mode of operation. | 01-30-2014 |
20140028293 | MEASURING SPEED OF ROTATION OF A DOWNHOLE MOTOR - The invention relates to downhole motors for rotating drill bits. The downhole motors may comprise stators, turbines or the like. The drilling motor may comprise a drilling apparatus comprising a drill bit connected to a rotor rotatably housed within a stator (or a turbine rotor in a housing), the rotor comprising at least one magnetic field source or magnetic field detector, and the stator comprising at least one magnetic field source if the rotor comprises a magnetic field detector or comprising at least one magnetic field detector if the rotor comprises a magnetic field source, thereby allowing the rotation speed of the rotor relative to the stator to be measured. | 01-30-2014 |
Patent application number | Description | Published |
20150226049 | ASSESSMENT, MONITORING AND CONTROL OF DRILLING OPERATIONS AND/OR GEOLOGICAL-CHARACTERISTIC ASSESSMENT - In monitoring/control of drilling operation a dimensionality of a full-scale model (e.g., characterizing variables related to cuttings transport, gas migration and/or the like) is reduced and data from a plurality of geographically distributed (e.g., depth varying) sensors is received, and a surrogate model is used to estimate variables in real-time. Use of the surrogate model may enable, e.g., particle-filtering processes to be employed during the estimation while still allowing for real-time estimations, avoiding excessive use of reasonable computational resources (e.g., memory and processing speeds) and/or the like. Operating controls or the like may then be set based on the estimated variables. For example, drilling control parameters may be adjusted based on estimated variables to avoid lost circulation, kicks, stuck pipe, and catastrophic events, optimize drilling parameters such as rate of penetration, improve drilling success probabilities and efficiency and/or the like. | 08-13-2015 |
20150308204 | CONTROL OF MANAGED PRESSURE DRILLING - A method is provided for controlling a managed pressure drilling system. The method comprises providing a fast system interpretation model for the operation of the managed pressure drilling system, obtaining real-time measurements from one or more sensors regarding the operation of the managed pressure drilling system, using the measurements to calibrate the fast system interpretation model for the managed pressure drilling system in real-time and using a predictive controller to run the calibrated fast system interpretation model to a time horizon in the future. | 10-29-2015 |
Patent application number | Description | Published |
20110277886 | NITRIDING OF NIOBIUM STEEL AND PRODUCT MADE THEREBY - A nitrided steel product or thin cast steel strip comprising, by weight, less than 0.25% carbon, between 0.20 and 2.0% manganese, between 0.05 and 0.50% silicon, less than 0.01% aluminum, niobium between 0.01 and about 0.20%, and between 0.01 and 0.075% nitrogen, and having a majority of the microstructure comprised of bainite and acicular ferrite, having more than 70% niobium in solid solution prior to nitriding and having yield strength between 650 MPa and 800 MPa and tensile strength between 750 MPa and 900 MPa. | 11-17-2011 |
20120186703 | NITRIDING OF NIOBIUM STEEL AND PRODUCT MADE THEREBY - A nitrided steel product or thin cast steel strip comprising, by weight, less than 0.25% carbon, between 0.20 and 2.0% manganese, between 0.05 and 0.50% silicon, less than 0.01% aluminum, niobium between 0.01 and about 0.20%, and between 0.01 and 0.075% nitrogen, and having a majority of the microstructure comprised of bainite and acicular ferrite, having more than 70% niobium in solid solution prior to nitriding and having after nitriding for one hour yield strength between 600 MPa and 800 MPa and tensile strength between 650 MPa and 900 MPa and no more than a 2% decrease in total elongation from the steel product prior to nitriding. | 07-26-2012 |
Patent application number | Description | Published |
20100092239 | FIXING ELEMENT AND APPARATUS FOR ACCOMMODATING A FIXING ELEMENT - A fixing element including a bolt with a first region with a first cross-section and a second region with a second cross-section is provided. The fixing element further includes a clamping wing with a first bearing surface, the clamping wing being arranged in the second region, and a transition point between the first and the second region, which is configured at least partially as a second bearing surface. The first and the second bearing surfaces are arranged opposite one another such that a first material part and a second material part are mounted between the first bearing surface and the second bearing surface by executing a rotary motion. The second bearing surface includes a first sliding part and a second sliding part, wherein, starting from an insertion position, a tension force increasing in the axial direction until a locking position is reached as a result of the rotary motion. | 04-15-2010 |
20130271951 | Input/Output Module with Display Element - An input/output module includes a connection element having a plurality of connection points for connecting input or output lines, a housing that accommodates the connection element such that the connection points are accessible and visible, display elements each including a plurality of status displays, each with a fiber-optic conductor associated with a status display, where a fiber-optic conductor includes a first illuminated panel and a light inlet, where a light source is arranged in the interior of the housing such that light is fed into the fiber-optic conductor via the light inlet and exits via the first illuminated panel to display a status, where the first illuminated panel is arranged in an end face of a side wall, and where the fiber-optic conductor is held in the side wall via a receptacle in the end face of the side wall. | 10-17-2013 |