21
Michael G Mims, Mark D Mueller: Hydraulic release oil tool. Union Oil Company of California, Gregory F Wirzbicki, William O Jacobson, December 15, 1992: US05170847 (23 worldwide citation)

A hydraulic setting and release tool has a shear out setting assembly attached to a string coupling member. Upon reaching a predetermined hydraulic pressure, a piston of the tool shears restraining shear pins and moves in a body of the tool to release dogs that engage the coupling member. When used ...


22
Morton M Wong: Method for rendering ferric hydroxide sludges recyclable. Union Oil Company of California, Gregory F Wirzbicki, William O Jacobson, April 7, 1992: US05102556 (21 worldwide citation)

A method is provided for selectively treating flocculated heavy metal contaminated iron-based sludges from an industrial waste water treatment process. The method removes the heavy metal contaminants with a minimum loss of the iron therein. The method comprises dissolving the sludge in hydrochloric ...


23
Ghing Hsin Dien: Computer watchdog timer. Henri J A Charmasson, John D Buchaca, William O Jacobson, August 29, 2000: US06112320 (21 worldwide citation)

A watchdog timer for a computer with a CPU and a peripheral controller. The watchdog timer includes a program in the peripheral controller and a corresponding program in the peripheral interrupt service routine of the CPU. When the watchdog timer function is enabled, the peripheral controller will i ...


24
William C Allen, Stephen D Pye, Gerald M Hamblin, Jose M Perez, William E Amend, John D Bush, David Holligan, Delbert E Pyle: Brittle lined pipe connector. Union Oil Company of California, Gregory F Wirzbicki, William O Jacobson, December 3, 1991: US05069485 (20 worldwide citation)

One or more rigid sealing segments are attached to pipe end sections and the assembly lined to form a fluid-resistant joint. A segment surface forms the primary sealing interface of lined pipe sections without the need for a conventional removable liner edge seal. The lining process and configuratio ...


25
Mark D Mueller: Drilling torsional friction reducer. Union Oil Company of California, Gregory F Wirzbicki, William O Jacobson, August 23, 1994: US05339910 (20 worldwide citation)

Rotary drag during drilling is reduced by 1) adding roller bearings to a tubular string and drill bit, and/or 2) adding a bearing assembly to the tubular string, and/or 3) adding a rotary discoupling tool to the tubular string. At the drill bit, this is achieved by miniature rollers built into the g ...


26
Stephen B Wetch, Michael Ernest Utt: Adjustable rigid riser connector. Union Oil Company of California, Yale S Finkle, Gregory F Wirzbicki, William O Jacobson, February 10, 2004: US06688814 (20 worldwide citation)

A substantially rigid riser to offshore platform connector and a process of using the connector allows a riser to be preloaded and adjustably positioned relative to the offshore platform. The connector allows the riser tensile load to be limited by preloading and adjustably positioning the connector ...


27
Darrell L Gallup, Kevin R Kitz, Manuel E Obando, Donald M Fenton, Paul A Peaden, Dennis L Saunders, Brian J Kelly: Method to treat geothermal fluid streams. Union Oil Company of California, Gregory F Wirzbicki, William O Jacobson, November 15, 1994: US05364439 (17 worldwide citation)

An integrated system of non-condensable gas (NCG) and condensate treatment allows geothermal power plant condensate and non-condensable gas effluent streams containing H.sub.2 S and ammonia to be commercially useful for more than for cooling tower makeup. In the preferred embodiment, the pH of the c ...


28
Mark D Mueller: Drag analysis method. Union Oil Company of California, William O Jacobson, Gregory F Wirzbicki, August 26, 1997: US05660239 (16 worldwide citation)

An iterative planning and monitoring method for drilling (and completing) difficult boreholes which avoids unnecessary risk or cost. The method provides multiple point value probability estimates of an indicator of drilling problems based upon a range of possible drilling variables, supplanting sing ...


29
John C Smith: In-situ stress measurement method and device. Union Oil Company of California, Gregory F Wirzbicki, William O Jacobson, September 24, 1991: US05050690 (16 worldwide citation)

A method for obtaining in-situ stress measurements in a well is accomplished by installing a membrane packer on a drill string. The packer membrane is attached near the drilling tool and is capable of being radially expanded by fluid pressure to abut against the borehole. When a measurement of the i ...


30
Michael G Mims, Mark D Mueller, Jeffrey C Ehlinger: Hydraulic release oil tool. Union Oil Company of California, Gregory F Wirzbicki, William O Jacobson, February 11, 1992: US05086844 (16 worldwide citation)

A hydraulic setting and release tool has a shear out setting assembly attached to a string coupling member. Upon reaching a predetermined hydraulic pressure, a piston of the tool shears restraining shear pins and moves in a body of the tool to release dogs that engage the coupling member. When the d ...