Abstract: An apparatus includes a proximal body portion configured to be gripped by a user, a distal body portion that terminates at a spreading tip configured to spread a topical skin adhesive along an application surface, and a flexural body portion that interconnects the proximal and distal body portions to define a monolithic body. In response to an input force applied by a user to the proximal body portion when the spreading tip is positioned against the application surface, the flexural body portion is configured to buckle non-uniformly along a lateral width of the apparatus. Additionally, or alternatively, the flexural body portion is configured to elastically deform so that the distal body portion angularly deflects relative to the proximal body portion to thereby limit to a predetermined range a resultant normal force exerted by the spreading tip on the topical skin adhesive along the application surface.

Abstract: A system comprises at least one computer device in communication with one or more server computers. The system converts unstructured text into usable order details, and uses instant messaging to notify recipients of the order details. The notices include electronic web links that launch a web interface that generates an editable, pre-populated electronic order ticket based on the order details. Submission of the electronic order ticket launches an auction during which the recipients may respond with offers to fulfill to the electronic order ticket. If after the auction more than one response is needed to fill the electronic order ticket, the system automatically allocates how and in which order the responses will be used to fill the electronic order ticket. If the electronic order ticket is not completely filled after the auction, the electronic order ticket is submitted to one or more additional exchanges for further filling.

Abstract: A system and a method for collecting and using market data. The system includes a workstation, where at least one message is entered, a transmitter, where the at least one message is transmitted, a parser for parsing the at least one message, a data recognizer for identifying relevant information in the at least one message, a processor for extracting the relevant information and a communicator for communicating the relevant information.

Abstract: A system and a method for collecting and using market data. The system includes a workstation, where at least one message is entered, a transmitter, where the at least one message is transmitted, a parser for parsing the at least one message, a data recognizer for identifying relevant information in the at least one message, a processor for extracting the relevant information and a communicator for communicating the relevant information.

Abstract: A system and a method for collecting and using market data. The system includes a workstation, where at least one message is entered, a transmitter, where the at least one message is transmitted, a parser for parsing the at least one message, a data recognizer for identifying relevant information in the at least one message, a processor for extracting the relevant information and a communicator for communicating the relevant information.

Abstract: A system and a method for collecting and using market data. The system includes a workstation, where at least one message is entered, a transmitter, where the at least one message is transmitted, a parser for parsing the at least one message, a data recognizer for identifying relevant information in the at least one message, a processor for extracting the relevant information and a communicator for communicating the relevant information.

Abstract: A system comprises at least one computer device in communication with one or more server computers. The system converts unstructured text into usable order details, and uses instant messaging to notify recipients of the order details. The notices include electronic web links that launch a web interface that generates an editable, pre-populated electronic order ticket based on the order details. Submission of the electronic order ticket launches an auction during which the recipients may respond with offers to fulfill to the electronic order ticket. If after the auction more than one response is needed to fill the electronic order ticket, the system automatically allocates how and in which order the responses will be used to fill the electronic order ticket. If the electronic order ticket is not completely filled after the auction, the electronic order ticket is submitted to one or more additional exchanges for further filling.

Abstract: A system comprises at least one computer device in communication with one or more server computers. The system converts unstructured text into usable order details, and uses instant messaging to notify recipients of the order details. The notices include electronic web links that launch a web interface that generates an editable, pre-populated electronic order ticket based on the order details. Submission of the electronic order ticket launches an auction during which the recipients may respond with offers to fulfill to the electronic order ticket. If after the auction more than one response is needed to fill the electronic order ticket, the system automatically allocates how and in which order the responses will be used to fill the electronic order ticket. If the electronic order ticket is not completely filled after the auction, the electronic order ticket is submitted to one or more additional exchanges for further filling.

Abstract: A fiber optic distributed vibration system for detecting seismic signals in an earth formation is provided. The system includes a fiber optic cable deployed in a borehole that extends into the earth formation and which is configured to react along its length to a seismic wave incident on the fiber optic cable from outside the borehole. An optical source launches an optical signal into the fiber optic cable while the seismic wave is incident thereon. A receiver detects coherent Rayleigh noise (CRN) produced in response to the optical signal. A processing circuit processes the detected CRN signal to determine characteristics of the earth formation.

Abstract: A predetermined condition in a fluid-filled wellbore system can be detected by generating at least one sound in the wellbore system in response to the condition, such that a detectable change is created in some characteristic of the emitted sound, and detecting the at least one sound and the change, the detection being indicative that the predetermined condition has occurred. Equipment for facilitating detection of the condition can include a trigger operable in response to the condition; a generator operable to emit sound in the borehole and to create a detectable change in some characteristic of the emitted sound in response to the trigger; and at least one sensor operable to monitor the sound and detect the change, the detection being indicative that the predetermined condition has occurred. It is also possible to estimate a value of a property of a fluid-filled wellbore system.

Abstract: A fiber optic distributed vibration system for detecting seismic signals in an earth formation is provided. The system includes a fiber optic cable deployed in a borehole that extends into the earth formation and which is configured to react along its length to a seismic wave incident on the fiber optic cable from outside the borehole. An optical source launches an optical signal into the fiber optic cable while the seismic wave is incident thereon. A receiver detects coherent Rayleigh noise (CRN) produced in response to the optical signal. A processing circuit processes the detected CRN signal to determine characteristics of the earth formation.

Abstract: Methods and apparatus for determining slowness of wavefronts. An example apparatus includes one or more sources spaced from a receiver. The one or more sources are to transmit one or more signals and the receiver is to receive at least a portion of the one or more signals. The apparatus includes a processor to process waveform data associated with the one or more signals by stacking waveforms of the waveform data based on to linear moveout and sinusoidal moveout.

Abstract: Methods and related systems are described for measuring acoustic signals in a borehole during a fracturing operation. The system includes a downhole toolstring designed and adapted for deployment in a borehole formed within a subterranean rock formation. A downhole rock fracturing tool opens and propagates a fracture in the subterranean rock formation. Dipole and/or quadrupole acoustic sources transmit acoustic energy into the subterranean rock formation. A receiver array measures acoustic energy traveling through the subterranean rock formation before, during and after the fracture induction. Geophones mounted on extendable arms can be used to measure shear wave acoustic energy travelling in the rock formation. The toolstring can be constructed such that the sources and receivers straddle the fracture zone during the fracturing.

Abstract: A fiber optic distributed vibration system for detecting seismic signals in an earth formation is provided. The system includes a fiber optic cable deployed in a borehole that extends into the earth formation and which is configured to react along its length to a seismic wave incident on the fiber optic cable from outside the borehole. An optical source launches an optical signal into the fiber optic cable while the seismic wave is incident thereon. A receiver detects coherent Rayleigh noise (CRN) produced in response to the optical signal. A processing circuit processes the detected CRN signal to determine characteristics of the earth formation.

Abstract: The current application discloses methods and systems for generating mechanical tube waves in fluid filled boreholes penetrating subterranean formations. In one embodiment, the system of the current application comprises an energy storage chamber; a fast operating valve connected to the energy storage chamber; a pipe connected to the valve and extending to the liquid-filled borehole; wherein the energy storage chamber contains a first pressure that is substantially different from a second pressure in the pipe so that a fast operation of the valve generates a tube wave in the pipe.

Abstract: A seismic acquisition system includes a distributed optical sensor (having an optical fiber) and an interrogation subsystem configured to generate a light signal to emit into the optical fiber. The interrogation subsystem receives, from the distributed optical sensor, backscattered light responsive to the emitted light signal, wherein the backscattered light is affected by one or both of seismic signals reflected from a subterranean structure and noise. Output data corresponding to the backscattered light is provided to a processing subsystem to determine a characteristic of the subterranean structure.

Abstract: A predetermined condition in a fluid-filled wellbore system can be detected by generating at least one sound in the wellbore system in response to the condition, such that a detectable change is created in some characteristic of the emitted sound, and detecting the at least one sound and the change, the detection being indicative that the predetermined condition has occurred. Equipment for facilitating detection of the condition can include a trigger operable in response to the condition; a generator operable to emit sound in the borehole and to create a detectable change in some characteristic of the emitted sound in response to the trigger; and at least one sensor operable to monitor the sound and detect the change, the detection being indicative that the predetermined condition has occurred. It is also possible to estimate a value of a property of a fluid-filled wellbore system.

Abstract: A value of a property of a fluid-filled wellbore system can be detected. This can be accomplished by recording data including at least one of pressure and rate of flow at one or more locations in the wellbore system, and then estimating the value of the property by employing a model for predicting at least one of pressure and rate of flow dependent upon characteristics and locations of disturbances to pressure and flow in the wellbore system, in order to determine a best prediction of some attribute of the recorded data.

Abstract: A seismic acquisition system includes a distributed optical sensor (having an optical fiber) and an interrogation subsystem configured to generate a light signal to emit into the optical fiber. The interrogation subsystem receives, from the distributed optical sensor, backscattered light responsive to the emitted light signal, wherein the backscattered light is affected by one or both of seismic signals reflected from a subterranean structure and noise. Output data corresponding to the backscattered light is provided to a processing subsystem to determine a characteristic of the subterranean structure.

Abstract: A seismic acquisition system includes a distributed optical sensor (having an optical fiber) and an interrogation subsystem configured to generate a light signal to emit into the optical fiber. The interrogation subsystem receives, from the distributed optical sensor, backscattered light responsive to the emitted light signal, wherein the backscattered light is affected by one or both of seismic signals reflected from a subterranean structure and noise. Output data corresponding to the backscattered light is provided to a processing subsystem to determine a characteristic of the subterranean structure.