Quotables
"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 7343261 | Underwater sensor transmitter probe An electronic apparatus for measuring water speed and water temperature then periodically transmitting said data during controlled depth fishing wherein an underwater probe is secured to and insulated conductive downrigger cable and gathers and relays data though th... | 03/11/2008 |
| 7132958 | Downhole telemetry system using multiple uplink modes as data channels using discrete multi-tone modulation A method and a downhole telemetry system a downhole telemetry system using discrete multitone modulation for transmitting a data stream over a plurality of transmission modes is provided. The downhole telemetry system includes a downhole transmitter, a cable, and a ... | 11/07/2006 |
| 6618675 | Speed correction using cable tension A well logging system is disclosed having an improved speed correction apparatus and method. One embodiment comprises a logging sonde, a wireline cable, a distance sensor, a tension sensor, and a surface computer. The logging sonde moves through a wellbor... | 09/09/2003 |
| 4852070 | Method and apparatus for transmitting and processing data from well logging tool A method and apparatus is disclosed for avoiding problems caused by a logging tool sticking in a borehole and subsequently accelerating when it becomes free. Such problems give rise to measurement errors and loss of data, particularly when the tool is in ... | 07/25/1989 |
| 4662209 | Course length measurement A system for measuring the course length of a well bore uses a probe containing accelerometers to generate a first output signal indicative of the time rate of change of the probe's velocity as it travels through the bore. The probe also contains two casi... | 05/05/1987 |
| 4061967 | Support system for rotatable detecting element An apparatus for supporting a detecting shoe of a sensor for rotation around a drill pipe stem for detecting identification numbers encoded on the drill pipe sections of the stem as they are lowered into a borehole. The apparatus comprises an outer plate ... | 12/06/1977 |
