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DOMESTIC AND INTERNATIONAL PATENTS

MWD/LWD mud sirens and turbines, high data rate telemetry, formation testing, signal processing.

UNITED STATES DOMESTIC PATENTS

U.S. Patent 10,808,505. High Signal Strength Mud Siren for MWD Telemetry, with K. Iftikhar, Oct. 20, 2020.

U.S. Patent 10,273,801. Methods and Systems for Downhole Sensing and Communications in Gas Lift Wells, with V. Shah, S. Brazil and M. Lusted, April 30, 2019.

U.S. Patent 10,156,127. High Signal Strength Mud Siren for MWD Telemetry, with K. Iftikhar, Dec. 18, 2018.

U.S. Patent 10,145,239. Flow Modulator for Use in a Drilling System, with S. Saleh and S. Brazil, Dec. 4, 2018.

U.S. Patent 9,850,754. High Speed Telemetry Signal Processing, with Y. Jiang, Dec. 26, 2017.

U.S. Patent 7,243,537. Methods for Measuring a Formation Supercharge Pressure, with M. Proett, J. Beique, J. Hardin, J. Fogal, D. Welshans, and G. Gray, July 17, 2007.

U.S. Patent 7,224,162. System and Methods for Upscaling Petrophysical Data, with M. Proett, J. Fogal, and P. Aadireddy, May 29, 2007.

U.S. Patent 7,082,078. Magneto-Rheological Fluid Controlled Mud Pulser, with M. Fripp and N. Skinner, July 25, 2006.

U.S. Patent 7,059,179. Multi-Probe Pressure Transient Analysis for Determination of Horizontal Permeability, Anisotropy and Skin in an Earth Formation, with M. Proett, June 13, 2006.

U.S. Patent 6,327,538. Method and Apparatus for Evaluating Stoneley Waves, and for Determining Formation Parameters in Response Thereto, Dec. 4, 2001.

U.S. Patent 5,969,638. Multiple Transducer MWD Surface Signal Processing, Oct. 19, 1999.

U.S. Patent 5,831,177. Fluid Driven Siren Flowmeter, with J. Anders, M. Proett, and M. Waid, Nov. 3, 1998.

U.S. Patent 5,787,052. Snap Action Rotary Pulser, with W. Gardner, July 28, 1998.

U.S. Patent 5,740,126. Turbosiren Signal Generator for Measurement While Drilling Systems, with T. Ritter, April 14, 1998.

U.S. Patent 5,703,286. Method of Formation Testing, with M. Proett and C. Chen, Dec. 30, 1997.

U.S. Patent 5,672,819. Formation Evaluation Using Phase Shift Periodic Pressure Pulse Testing, with M. Proett, Sept. 30, 1997.

U.S. Patent 5,644,076. Wireline Formation Tester Supercharge Correction Method, with M. Proett and M. Waid, July 1, 1997.

U.S. Patent 5,586,083. Turbosiren Signal Generator for Measurement While Drilling Systems, with T. Ritter, Dec. 17, 1996.

U.S. Patent 5,583,827. Measurement-While-Drilling System and Method, Dec. 10, 1996.

U.S. Patent 5,535,177. MWD Surface Signal Detector Having Enhanced Acoustic Detection Means, with K. Hamlin, July 9, 1996.

U. S. Patent 5,515,336. MWD Surface Signal Detector Having Bypass Loop Acoustic Detection Means, with W. Gardner and M. Waid, May 7, 1996.

U. S. Patent 5,459,697. MWD Surface Signal Detector Having Enhanced Acoustic Detection Means, with K. Hamlin, Oct. 17, 1995.

U. S. Patent 4,785,300. Pressure Pulse Generator, with J. Trevino, Nov. 15, 1988.

RECENT PATENT APPLICATIONS AND DISCLOSURES

Apparatus and Method for Wireless Communication Through Well Casing Annulus, May 2024, Baker Hughes Oilfield Services.

Apparatus for Coupling and Antenna to Cylindrical Structure, May 2024, Baker Hughes.

Intelligent Injector and Intelligent Injection Device, Chinese Patent Application No. 202310632608.5, with J. Chin and X. Zhuang, filed May 30, 2023. International application filed May 30, 2024.

Patent applications and invention disclosures in progress, e.g.,

1. High Speed Telemetry Signal Processing

2. Oil Flow Properties and Subsea Pipeline Clog Detection with Telemetry and Signal

3. Self-Adjusting Inlet for Turbine in Recessed Cavity of Production Casing

4. Treadmill Electric Power Generator for Downhole Production Casing Applications

5. Fiberoptic Transducer for MWD Surface Signal Detection

6. Production casing acoustic and electromagnetic telemetry, math model and error analysis for MEMs Measurement-While-Drilling gyroscopes

INTERNATIONAL AND DOMESTIC PATENTS

CA2556937 9/21/2010 Methods for measuring a formation supercharge pressure

BRPI0508357 7/24/2007 Método para determinar a pressão de supercarga em uma formação interceptada por um furo de sondagem

US7243537 7/17/2007 Methods for measuring a formation supercharge pressure

US7224162 5/29/2007 System and methods for upscaling petrophysical data

CA2156224 10/17/2006 MWD surface signal detector having bypass loop acoustic detection means

CA2156223 8/1/2006 MWD surface signal detector having bypass loop acoustic detection means

US7082078 7/25/2006 Magneto-rheological fluid controlled mud pulser

US7059179 6/13/2006 Multi-probe pressure transient analysis for determination of horizontal permeability, anisotropy and skin in an earth formation

WO2005084332 9/15/2005 Methods for measuring a formation supercharge pressure

WO2005036338 4/21/2005 System and methods for upscaling petrophysical data

WO2005017301 2/24/2005 Electroactive fluid controlled mud pulser

US06327538 12/04/2001 Method and apparatus for evaluating Stoneley waves, and for determining formation parameters in response thereto

EP00936477A3 12/13/2000 Evaluating Stoneley waves and formation parameters

EP1053488 11/22/2000 Multiple transducer MWD surface signal processing

NO20003826A 9/26/2000 Behandling av signal fra multippel MWD-transducer p overflaten

NO20003826A0 7/26/2000 Behandling av signal fra multippel MWD-transducer p overflaten

EP00747571B1 2/2/2000 Downhole pressure pulse generator

EP0950795 10/20/1999 Tool for and method of geological formation evaluation testing

US5969638 10/19/1999 Multiple transducer MWD surface signal processing

NO00990872A 10/18/1999 Verktoey og fremgangsmte for geologisk formasjonsevaluering og testing

EP936477A2 8/18/1999 Evaluating Stoneley waves and formation parameters

NO00990615A 8/18/1999 Evaluering av Stoneley-boelger og formasjons parametre

WO09938032 7/29/1999 Multiple transducer MWD surface signal processing

NO00990872A0 2/24/1999 Verkt y og fremgangsmte for geologisk formasjonsevaluering og testing

NO00990615A0 2/09/1999 Evaluering av Stoneley-boelger og formasjonsparametre

US05831177 11/03/1998 Fluid driven siren flowmeter

US05787052 7/28/1998 Snap action rotary pulser

US05740126 4/14/1998 Turbosiren signal generator for measurement while drilling systems

US05703286 12/30/1997 Method of formation testing

EP0747571 12/11/1996 Downhole pressure pulse generator

US05672819 9/30/1997 Formation evaluation using phase shift periodic pressure pulse testing

EP00697499A3 7/30/1997 Apparatus for detecting an acoustic signal in drilling mud

US05644076 7/01/1997 Wireline formation tester supercharge correction method

US05586083 12/17/1996 Turbo siren signal generator for measurement while drilling systems

EP00747571A2 12/11/1996 Downhole pressure pulse generator

US05583827 12/10/1996 Measurement-while-drilling system and method

US05535177 7/09/1996 MWD surface signal detector having enhanced acoustic detection means

US05515336 5/07/1996 MWD surface signal detector having bypass loop acoustic detection means

EP00697498 2/21/1996 Apparatus for detecting pressure pulses in a drilling fluid supply

EP00697499A2 2/21/1996 Apparatus for detecting an acoustic signal in drilling mud

EP00697498A2 2/21/1996 Apparatus for detecting pressure pulses in a drilling fluid supply

NO00953224A 2/19/1996 Anordning til paavisning av trykkpulser i en ledning for tilfoersel av borevaeske

NO00953223A 2/19/1996 Overflate-signaldetektor for maaling I loepet av boringen med forsterket akustisk detektorinnretning

CA02156224AA 2/18/1996 MWD surface signal detector having bypass loop acoustic detection means

CA02156223AA 2/18/1996 MWD surface signal detector having enhanced acoustic detection means

US05459697 10/17/1995 MWD surface signal detector having enhanced acoustic detection means

NO00953224A0 8/16/1995 Anordning for aa detektere trykkpulser I en borefluid

NO00953223A0 8/16/1995 Overflate-signaldetektor for maaling I loepet av boringen med forsterket akustisk detektorinnretning

US4785300 11/15/1988 Pressure pulse generator

CA1228909 11/03/1987 Pressure pulse generator

BRPI8405278 8/27/1985 Gerador de pulsos de pressao

EP0140788 5/8/1985 Pressure pulse generator

NO00844026A 4/25/1985 Trykkpulsgenerator

Complimentary copies sent upon request.