Stratamagnetic Software, LLC

STRATAMAGNETIC SOFTWARE, LLC

Wilson C. Chin, author, scientist and software developer, earned his Ph.D. from M.I.T. and M.Sc. at Caltech. He has published twenty research monographs, over a hundred papers and more than four dozen patents. His interests focus on MWD design, managed pressure drilling, reservoir engineering, formation testing, electromagnetic logging, and drilling and cementing rheology. Mr. Chin's books, available from www.amazon.com, www.wiley.com and www.elsevier.com, describe test methods, math models and numerical algorithms in detail. Contact the author at wilsonchin@aol.com or (832) 483-6899.

DOMESTIC AND INTERNATIONAL PATENTS

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

Recent patent applications

Formation Evaluation Using Phase Shift Periodic Pressure Pulse Testing in Anisotropic Media, June 2015

Multiple Drawdown Pressure Transient Analysis for Low Mobility Formation Testing, June 2015

Array Formation Tester for Rapid Anisotropic Permeability Prediction in Low Mobility Reservoirs, May 2017

Turbosiren Flowmeter for Open Hole Reservoir Applications, June 2017

International and domestic patents

To issue, 2019 - Methods and systems for downhole sensing and communications in gas lift wells

US10,156,127, 12/18/2018, High signal strength mud siren for MWD telemetry

US10,145,239, 12/4/2018, Flow modulator for use in a drilling system

US9850754, 12/26/2017, High speed telemetry signal processing

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, 09/26/2000, Behandling av signal fra multippel MWD-transducer p overflaten

NO20003826A0, 07/26/2000, Behandling av signal fra multippel MWD-transducer p overflaten

EP00747571B1, 02/02/2000, 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 formasjonsparametre

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

NO00990872A0, 02/24/1999, Verkt y og fremgangsmte for geologisk formasjonsevaluering og testing

NO00990615A0, 02/09/1999, Evaluering av Stoneley-boelger og formasjonsparametre

US05831177, 11/03/1998, Fluid driven siren flowmeter

US05787052, 07/28/1998, Snap action rotary pulser

US05740126, 04/14/1998, Turbo-siren signal generator for measurement while drilling systems

US05703286, 12/30/1997, Method of formation testing

EP0747571, 12/11/1996, Downhole pressure pulse generator

US05672819, 09/30/1997, Formation evaluation using phase shift periodic pressure pulse testing

EP00697499A3, 07/30/1997, Apparatus for detecting an acoustic signal in drilling mud

US05644076, 07/01/1997, 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, 07/09/1996, MWD surface signal detector having enhanced acoustic detection means

US05515336, 05/07/1996, MWD surface signal detector having bypass loop acoustic detection means

EP00697498, 02/21/1996, Apparatus for detecting pressure pulses in a drilling fluid supply

EP00697499A2, 02/21/1996, Apparatus for detecting an acoustic signal in drilling mud

EP00697498A2, 02/21/1996, Apparatus for detecting pressure pulses in a drilling fluid supply

NO00953224A, 02/19/1996, Anordning til paavisning av trykkpulser i en ledning for tilfoersel av borevaeske

NO00953223A, 02/19/1996, Overflate-signaldetektor for maaling I loepet av boringen med forsterket akustisk detektorinnretning

CA02156224AA, 02/18/1996, MWD surface signal detector having bypass loop acoustic detection means

CA02156223AA, 02/18/1996, MWD surface signal detector having enhanced acoustic detection means

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

NO00953224A0, 08/16/1995, Anordning for aa detektere trykkpulser I en borefluid

NO00953223A0, 08/16/1995, 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, 04/25/1985, Trykkpulsgenerator

Complimentary copies sent upon request.