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William C Paluch, Michael J Moody: Pressure controlled fluid sampling apparatus and method. PathFinder Energy Services, August 1, 2006: US07083009 (40 worldwide citation)

A formation fluid sampling tool including at least one sample tank mounted in a tool collar. The tool collar includes a through bore and is disposed to be operatively coupled with a drill string such that each sample tank may receive a correspondingly preselected formation fluid sample without remov ...


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Daniel T Georgi, John M Michaels, Michael J Moody: Variable diameter probe for detecting formation damage. Western Atlas International, Alan J Atkinson, June 23, 1998: US05770798 (31 worldwide citation)

An apparatus and method for evaluating formation damage proximate to the surface of a rock. The invention is applicable to surface tests and to tests downhole in a borehole. A first hollow probe sealingly contacts the rock surface to define a first surface area, and the pressure within the hollow pr ...


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Wei Jake Xu, Albert C Odell II, Simon J Harrall, Thomas M Redlinger, Christopher M Vreeland, Andrew Antoine, David J Brunnert, Tommy L Laird, Michael J Moody, Frederick T Tilton: Extendable cutting tools for use in a wellbore. Weatherford Lamb, Patterson & Sheridan L, September 24, 2013: US08540035 (24 worldwide citation)

Embodiments of the present invention generally relate to extendable cutting tools for use in a wellbore. In one embodiment, a tool for use in a wellbore includes a tubular body having a bore therethrough, an opening through a wall thereof, and a connector at each longitudinal end thereof; and an arm ...


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Michael J Moody, William C Paluch: Sprung member and actuator for downhole tools. PathFinder Energy Services, July 13, 2004: US06761232 (23 worldwide citation)

A downhole tool for use in a well bore is provided. The tool includes a tool body and at least one elongated sprung member deployed on an outer surface thereof. The sprung member is configured to lie in a rest position substantially parallel to the outer surface and further includes at least one mov ...


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Michael J Moody, Robert L Koelzer: Full-function valve for heavy duty semi-trailer brake systems. Midland Brake, Leydig Voit & Mayer, August 17, 1993: US05236250 (21 worldwide citation)

Within a single envelope or housing, this full-function valve integrates all of the emergency and service requirements of a tandem axle air brake system for heavy duty truck semi-trailers, thereby decreasing complexity and cost and enhancing safety, reliability and operating capability while also sa ...


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Houman M Shammai, John M Michaels, James T Cernooek, Michael J Moody, Phillip Wills: Dual piston, single phase sampling mechanism and procedure. Baker Hughes Incorporated, Madan Mossman & Sriram P C, July 24, 2007: US07246664 (15 worldwide citation)

A method and apparatus for maintaining the single phase integrity of a deep well formation sample that is removed to the surface comprises a vacuum jacket insulated single working cylinder divided by two free pistons into three variable volume chambers. The intermediate chamber is pre-charged with a ...


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Natarajan Seshan, Jeffrey R Quay, Kenneth L Williams, Michael J Moody: DMA controller with split channel transfer capability and FIFO buffering allowing transmit channel to get ahead of corresponding receive channel by preselected number of elements. Texas Instruments Incorporated, Gerald E Laws, W James Brady III, Frederick J Telecky Jr, November 7, 2000: US06145027 (14 worldwide citation)

A microprocessor 1 is described which includes a direct memory access (DMA) circuitry 143. DMA 143 is interconnected with a program memory 23 and a data memory 22 and is operational to transfer data to or from these memories. DMA 143 is interconnected with a peripheral bus 110 and thereby to various ...


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Michael J Moody, Michael Yesudas, John M Michaels: Electric wireline formation testing tool having temperature stabilized sample tank. Western Atlas International, Richard A Fagin, August 27, 1996: US05549162 (14 worldwide citation)

The present invention is a sample tank for storing and transporting a fluid sample withdrawn from an earth formation by a formation fluid sampling tool. The sample tank includes a storage cylinder adapted to withstand high internal pressure. The storage cylinder is selectively hydraulically connecte ...