Inventor · disambiguated record
Margaret C. Waid
Also filed as: WAID MARGARET · WAID MARGARET C · WAID MARGARET COWSAR
34 granted patents·4 pending applications·1,422 citations·filing 1994–2019
98Inventor score
Files withHALLIBURTON ENERGY SERV INC7PRECISION ENERGY SERVICES INC7FORD JESS V5CUSTOM SENSORS AND TECHNOLOGY3WAID MARGARET COWSAR3
Top patents by PatentIndex Score
38 records- 0198US8164050B2Multi-channel source assembly for downhole spectroscopyFORD JESS V·Filed 2009·Granted Apr 24, 2012·87 cites·50 claims
- 0297US8536516B2Multi-channel source assembly for downhole spectroscopyFORD JESS V·Filed 2012·Granted Sep 17, 2013·58 cites·35 claims
- 0396US6301959B1Focused formation fluid sampling probeHALLIBURTON ENERGY SERV INC·Filed 1999·Granted Oct 16, 2001·393 cites·47 claims
- 0495US5799733AEarly evaluation system with pump and method of servicing a wellHALLIBURTON ENERGY SERV INC·Filed 1997·Granted Sep 1, 1998·242 cites·79 claims
- 0594US7508506B2Method and apparatus for performing spectroscopy downhole within a wellboreCUSTOM SENSORS AND TECHNOLOGY·Filed 2007·Granted Mar 24, 2009·31 cites·24 claims
- 0690US8542353B2Refractive index sensor for fluid analysisCHRISTIAN SEAN M·Filed 2010·Granted Sep 24, 2013·23 cites·35 claims
- 0790US8324912B2Measurement tool and method of useWAID MARGARET COWSAR·Filed 2008·Granted Dec 4, 2012·16 cites·39 claims
- 0888US6355928B1Fiber optic tomographic imaging of borehole fluidsHALLIBURTON ENERGY SERV INC·Filed 1999·Granted Mar 12, 2002·102 cites·37 claims
- 0988US5644076AWireline formation tester supercharge correction methodHALLIBURTON ENERGY SERV INC·Filed 1996·Granted Jul 1, 1997·130 cites·24 claims
- 1087US5602334AWireline formation testing for low permeability formations utilizing pressure transientsHALLIBURTON CO·Filed 1994·Granted Feb 11, 1997·106 cites·33 claims
- 1185US10488387B2Methods and apparatus for extraction of NAD and proteins from crude oil and gas, drill cuttings, cores and other hydrocarbons and organics for unique spectral identificationRPC INC·Filed 2016·Granted Nov 26, 2019·4 cites·7 claims
- 1282US7948620B2Method and apparatus for performing spectroscopy downhole with a wellborePRECISION ENERGY SERVICES INC·Filed 2010·Granted May 24, 2011·5 cites·22 claims
- 1381US7440098B2Spectroscope and method of performing spectroscopy utilizing a micro mirror arrayCUSTOM SENSORS AND TECHNOLOGY·Filed 2007·Granted Oct 21, 2008·10 cites·26 claims
- 1480US11209349B2Optical fluid analyzerPIETRO FIORENTINI USA INC·Filed 2018·Granted Dec 28, 2021·3 cites·20 claims
- 1580US10895663B2Apparatus and methods for evaluating formationsPIETRO FIORENTINI USA INC·Filed 2018·Granted Jan 19, 2021·4 cites·12 claims
- 1679US8735803B2Multi-channel detector assembly for downhole spectroscopyFORD JESS V·Filed 2009·Granted May 27, 2014·6 cites·40 claims
- 1776US7728971B2Method and apparatus for performing spectroscopy downhole within a wellborePRECISION ENERGY SERVICES INC·Filed 2008·Granted Jun 1, 2010·6 cites·24 claims
- 1875US8281646B2Measurement tool and method of useWAID MARGARET COWSAR·Filed 2008·Granted Oct 9, 2012·4 cites·14 claims
- 1975US7805988B2Borehole tester apparatus and methods using dual flow linesPRECISION ENERGY SERVICES INC·Filed 2007·Granted Oct 5, 2010·15 cites·20 claims
- 2074US7719680B2Spectroscope and method performing spectroscopy utilizing an adaptive optical elementCUSTOM SENSORS AND TECHNOLOGY·Filed 2008·Granted May 18, 2010·7 cites·18 claims
- 2170US8436296B2Filter wheel assembly for downhole spectroscopyFORD JESS V·Filed 2009·Granted May 7, 2013·11 cites·27 claims
- 2263US11125082B2Systems and methods for monitoring changes in a formation while dynamically flowing fluidsPIETRO FIORENTINI SPA·Filed 2016·Granted Sep 21, 2021·1 cites·9 claims
- 2362US8411262B2Downhole gas breakout sensorFORD JESS V·Filed 2010·Granted Apr 2, 2013·3 cites·55 claims
- 2461US7807962B2Borehole tester apparatus and methods for using nuclear electromagnetic radiation to determine fluid propertiesPRECISION ENERGY SERVICES INC·Filed 2007·Granted Oct 5, 2010·6 cites·16 claims
- 2560US7805999B2Apparatus and methods for measuring pressure using a formation testerPRECISION ENERGY SERVICES INC·Filed 2007·Granted Oct 5, 2010·4 cites·11 claims
- 2657US9581580B2Measurement tool and method of usePRECISION ENERGY SERVICES INC·Filed 2012·Granted Feb 28, 2017·0 cites·23 claims
- 2756US5515336AMWD surface signal detector having bypass loop acoustic detection meansHALLIBURTON CO·Filed 1994·Granted May 7, 1996·27 cites·18 claims
- 2855US5813460AFormation evaluation tool and method for use of the sameHALLIBURTON ENERGY SERV INC·Filed 1996·Granted Sep 29, 1998·34 cites·35 claims
- 2955US2017363604A1Applications of spectral fingerprinting of hydrocarbons and other organicsWAID FORENSIC SCIENCE LLC·Filed 2017·Application pending·0 cites
- 3053US10125596B2Methods, apparatus and products for production of fluids from subterranean formationsWAID MARGARET COWSAR·Filed 2014·Granted Nov 13, 2018·1 cites·6 claims
- 3153US5831177AFluid driven siren flowmeterHALLIBURTON ENERGY SERV INC·Filed 1996·Granted Nov 3, 1998·31 cites·12 claims
- 3252US5680899AElectronic wellhead apparatus for measuring properties of multiphase flowHALLIBURTON ENERGY SERV INC·Filed 1995·Granted Oct 28, 1997·36 cites·19 claims
- 3350US11035231B2Apparatus and methods for tools for collecting high quality reservoir samplesFiorentini USA Inc·Filed 2019·Granted Jun 15, 2021·0 cites·22 claims
- 3447US6102790AAutomated method and apparatus for the extraction of edible products from crawfish and similar crustaceansFiled 1999·Granted Aug 15, 2000·12 cites·13 claims
- 3546US2006197281A1Methods and apparatus for solving mathematical problems for entertainmentWAID CHARLES C·Filed 2005·Application pending·0 cites
- 3640US2012303326A1Reservoir Evaluation SystemWAID MARGARET C·Filed 2011·Application pending·0 cites
- 3738US2011251796A1Multi-Well Interference Testing and In-Situ Reservoir Behavior CharacterizationPRECISION ENERGY SERVICES INC·Filed 2011·Application pending·0 cites
- 3831US6042464AMethod and apparatus for the extraction of edible products from crawfish and similar crustaceansFiled 1998·Granted Mar 28, 2000·4 cites·8 claims
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