Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 5006845 | Gas kick detector Methods for the early detection of gas kicks in marine risers (10) include monitoring a downhole absolute pressure and a downhole differential pressure of a riser section (11) positioned just above the blowout preventer (18). The absolute pressure is used... | 04/09/1991 |
| 4954998 | Method for reducing noise in drill string signals The invention is a method for improving quality of seismic data generatd with a source positioned substantially at the lower end of a drill string within a wellbore. A pilot signal is detected at the upper end of the drill string for cross-correlation wit... | 09/04/1990 |
| 4823125 | Method and apparatus for stabilizing a communication sensor in a borehole A method and apparatus for stabilizing a communication sensor in a borehole is described. The principle embodiment described includes a pair of centralizers at opposite ends of the housing for the communication sensor to maintain each of such respective e... | 04/18/1989 |
| 4765435 | Mobile well-logging laboratory A well-logging laboratory, for use with a well-logging tool which is suspended within a borehole by a wireline, includes a moveable frame upon which the wireless drum is mounted, and a moveable bulkhead is associated with the frame and various well-loggin... | 08/23/1988 |
| 4736204 | Method and apparatus for communicating with downhole measurement-while-drilling equipment when said equipment is on the surface Communication with a measuring-while-drilling equipment sub, when the sub is at the surface, is established by placing a transmitter-receiver within transmitting range of the electrode/antenna array of the sub. The transmitter-receiver must be compatible ... | 04/05/1988 |
| 4698631 | Surface acoustic wave pipe identification system A drill pipe identification system automatically provides an identification number for each drill pipe as the drill pipe is being lowered into or withdrawn from the well. The system has a SAW identification device which is mounted in a cylindrical cavity ... | 10/06/1987 |
| 4633248 | Well logging instrument including shock isolation system A well logging sonde adapted to be lowered in a wellbore which incorporates an improved shock isolation system is set forth in the preferred and illustrated embodiment. An electronic support wafer or circuit board mount within the sonde is enclosed within... | 12/30/1986 |
| 4507735 | Method and apparatus for monitoring and controlling well drilling parameters A mud logging system for receiving and displaying conditions measured during the drilling of a well includes a plurality of units for receiving and processing signals from sensors responsive to the values of the conditions. A/D convertors in each of said ... | 03/26/1985 |
| 4350979 | System and method for well-logging An improved system and method is provided for obtaining information related to subsurface earth formations. Well-logging data from an input terminal is processed and stored in a memory by a first processor. A second processor retrieves this data from the ... | 09/21/1982 |
| 4128888 | Velocity control arrangement for a computer-controlled oil drilling rig A computer - controlled oil drilling rig is characterized by apparatus for comparing signals representative of the actual velocity and direction of travel of a traveling block with signals representative of predetermined minimum and maximum velocities of ... | 12/05/1978 |
| 4010476 | Methods and apparatus for recording well logging measurements In accordance with illustrative embodiments of the present invention, data signals, particularly well logging data in analog or digital form, is recorded by a cathode ray tube recorder. A representation of the CRT beam is repetitively swept across a recor... | 03/01/1977 |
