Communications, electrical: acoustic wave systems and devices inventions 08/07

20070201308 - Decision feedback equalization in mud-pulse telemetry: A decision feedback equalizer (DFE) structure which uses a reference signal based adaptive equalizer as forward filter and a blind adaptive equalizer as feedback filter is used for surface processing of mud pulse telemetry data.... Agent: Madan, Mossman & Sriram, P.C.

20070201307 - Anti-biofouling seismic streamer casing and method of manufacture: An anti-biofouling seismic streamer casing (100,100′) is provided that is formed by a flexible tubing (110) coated with a layer of a two-part heat cured silicone elastomer (120). The seismic streamer casing (100, 100′) is formed by a method that includes steps of providing a flexible tubing (200) and pre-treating... Agent: Leydig, Voit & Mayer, Ltd. (seattle Office)

20070201309 - Method for processing an echo profile and a pulse-echo ranging system: Pulse-echo ranging system are used in level measurement applications for determining the distance to a target object by measuring how long after transmission of a pulse an echo pulse is received. An echo profile is generated and then processed to determine the temporal position of the echo pulse on a... Agent: Siemens Corporation Intellectual Property Department

20070195646 - Object detection using acoustic imaging: Embodiments of the present invention include methods and apparatus for the detection of objects using acoustic imaging. Vibrational resonance characteristics of man-made objects may be significantly different from those of the surrounding natural materials, allowing an acoustic image to highlight the position of the object, even if the object is... Agent: Gifford, Krass, Sprinkle,anderson & Citkowski, P.c

20070195643 - Method of determining a seismic velocity profile: b

20070195644 - Methods and systems for efficient compaction sweep: Methods and systems for efficient compaction sweep and seismic data sweep are disclosed. One method comprises sweeping the source through a range of source frequencies for one or more compaction sweeps, each compaction sweep comprising a compaction sweep amplitude-frequency-time relationship; sweeping the source through a range of source frequencies for... Agent: Jeffrey E. Griffin Westerngeco, L.L.C.

20070195645 - Survey design using earth observation data: A method for generating one or more maps of a survey area. In one implementation, the method may include receiving earth observation data, decomposing the earth observation data into pixels, georeferencing the earth observation data in pixel form with the curvature of the earth's surface, integrating the earth observation data... Agent: Westerngeco L.L.C.

20070195647 - Modal acoustic array transduction apparatus: A transduction apparatus, which employs an array of individual transducers that generates multiple acoustic radiation modes, is described. These modes are used together to yield directional steered beam patterns. In one embodiment separate transducers, clustered in the form of a ring array, are used together to generate wide and narrow... Agent: David M. Driscoll, Esq.

20070195648 - Particle motion vector measurement in a towed, marine seismic cable: A particle motion sensor, includes: a sensing element capable of sensing a particle motion vector from a change in position thereof, and a packing material in which the sensing element is positioned, wherein the particle motion sensor is symmetric about its longitudinal axis and has a center of gravity coincident... Agent: Jeffrey E. Griffin Westerngeco, L.L.C.

20070189119 - System and method for measurement while drilling telemetry: A system for transmitting information in a well comprises a tubular string disposed in the well and having a drilling fluid flowing therethrough. A pulser is disposed in the tubular string and transmits a pulse synchronization marker comprising a chirp signal. A surface controller, acting under programmed instructions, detects the... Agent: Madan, Mossman & Sriram, P.C.

20070189117 - Multiple attenuation method: A method is described for reducing multiples in marine seismic data using at least two sets of signals representing seismic energy reflected and/or refracted from an earth structure using a plurality of seismic receivers located in a body of water with the two sets differing in the traveltime of signals... Agent: Schlumberger-doll Research Attn: Intellectual Property Law Department

20070189118 - Seismic data acquisition system: A seismic survey system having remote acquisition modules (RAMs) for acquiring seismic signals and communicating with a central recording system (CRU) via a network of cables, other RAMs, and line tap units (LTUs), arranged in a matrix of receiver lines and base lines. Each RAM cyclically converts analog signal values... Agent: W. Allen Marcontell

20070189120 - Housing mechanism for electronic device: An exemplary housing mechanism (8) for an electronic device includes a cover (10) and a frame (20). The cover has a cover body (11), a sealing element (12), and a sidewall (13) formed around the cover body. A surface of a distal end of the sidewall is recessed thereby forming... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070183259 - Borehole apparatus and methods for simultaneous multimode excitation and reception to determine elastic wave velocities, elastic modulii, degree of anisotropy and elastic symmetry configurations: An acoustic borehole logging system for generation and detection of multipole modes used to determine elastic properties of earth formations characterized as inhomogeneous anisotropic solids. The system concurrently generates and senses monopole, dipole, quadrupole and any higher order pole in the borehole/formation system in order to characterize the elastic properties... Agent: Wong, Cabello, Lutsch, Rutherford & Brucculeri, L.L.P.

20070183260 - Methods and apparatus for predicting the hydrocarbon production of a well location: Methods and apparatus that use microseismic event data, stress data, seismic data, and rock properties to predict the hydrocarbon production success of a well location are disclosed. An example method generates a hydrocarbon production function based on information associated with at least a first well location, obtains information associated with... Agent: Schlumberger Oilfield Services

20070177459 - Apparatus and method for seismic data acquisition: A seismic data acquisition system includes a connector housing and a mating electrical circuitry module. A single interface couples electrical circuitry housed in the electrical circuitry module to one or more signal data carriers that are consolidated at a single location in the connector housing. Preferably, the connector housing and... Agent: Paul S Madan Madan, Mossman & Sriram, PC

20070177460 - Data acquisition method of non-real time transmitting seismic data acquisition system applied in mountainous area: This invention discloses a data acquisition method of non-real time transmitting seismic data acquisition system applied in mountainous area, the format of original record file names is 8 digits file name representing absolute time together with 3 digits extension names representing equipment's serial number. The detonating units generate SPS format... Agent: Ladas & Parry

20070177461 - Filtering and detection of telemetry: The specification discloses systems and methods that provide improved capability to detect and decode encoded telemetry data. More particularly, the specification discloses embodiments for detecting and decoding telemetry data by receiving a plurality of waveforms comprising encoded telemetry data. A first set of outputs is detected from the encoded telemetry... Agent: Conley Rose, P.C. David A. Rose

20070177462 - Scale adaptive filtering: A scale adaptive filtering scheme is developed for underspread channels based on a model of the linear time varying channel operator as a process in scale. Recursions serve the purpose of adding detail to the filter estimate until a suitable measure of fidelity and complexity is achieved.... Agent: Naval Research Laboratory Associate Counsel (patents)