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Dr. J. Helen Isaac

FRP Research Scientist, University of Calgary

Education:
B.Sc. Mathematics, Imperial College of Science and Technology, University of London; 
M.Sc. Geophysics, Imperial College of Science and Technology, University of London;
Ph.D. Geophysics, University of Calgary 

Employment History:
Exploration Geophysicist with: Phillips Petroleum Co. Ltd., U.S.A. and London; 
Hudbay Oil International Ltd., Calgary;
Canterra Energy Ltd. / Husky Oil Operations Ltd., Calgary 

Professional Interests:
Seismic data processing, interpretation, modelling and section balancing in areas of complex geology. The effects of velocity anisotropy on seismic imaging.  

Professional Activities:
Chair of CSEG Outreach Committee, Assistant Editor of CSEG Recorder.

Publications:

J. Helen Isaac and Robert R. Stewart, 1993, Seismic characterization of possible meteorite impact structures: CGU 19th Ann. Mtg. Abstracts.

J. Helen Isaac and Don C. Lawton, 1993, Cold Lake 3-D seismic data analysis: CREWES Research Report, Vol. 5, 25.1-25.16.

J. Helen Isaac and Robert R. Stewart, 1993, 3-D Seismic expression of a crypto-explosion structure: CREWES Research Report, Vol. 5, 26.1-26.19.

J. Helen Isaac and Robert R. Stewart, 1993, Seismic expression of a crypto-explosion structure: CSEG Journal, 29, No. 2, 429-439.

J. Helen Isaac, Don C. Lawton and John Eastwood, 1994, Concurrent processing of two 3-D seismic data sets: A method of quality control: CSEG/CSPG Ann. Mtg. Abstracts, 120-121.

Don Lawton, Helen Isaac, Deborah Spratt and Henry Bland, 1994, Triangle zone 3-D seismic interpretation, Rocky Mountain Foothills: CSEG/CSPG Ann. Mtg. Abstracts, 410.

J. Helen Isaac and Don C. Lawton, 1994, 3-D and multicomponent seismic methods for reservoir monitoring: SEG Ann. Mtg. Expanded Abstracts.

Stewart, R. R., Isaac, J. H., Tooth, J. and Geis, W., 1994, The seismic expression of subsurface impact craters: GAC/MAC Ann. Mtg. Abstracts, 107.

J. Helen Isaac and Don C. Lawton, 1994, 3-D and 3-C seismic data analysis at Cold Lake, Alberta: CREWES Research Report, Vol. 6, 18.1-18.22.

J. Helen Isaac and Don C. Lawton, 1995, Converted-wave processing and interpretation at Cold Lake, Alberta: CREWES Research Report, Vol. 7, 21.1-21.24.

Bégin, N., Lawton, D. C., Spratt, D. A. and Isaac, J. H., 1996, Seismic characterization of changing stress fields in the Alberta Foothill, near James River: CSPG Ann. Mtg. Abstracts.

J. Helen Isaac and Don C. Lawton, 1996, AVO analysis of 3-D seismic data at Cold Lake: CREWES Research Report, Vol. 8, 33.1-33.38.

J. Helen Isaac and Don C. Lawton, 1996, Velocity field estimation in the presence of seismic anisotropy: FRP Research Report, Vol. 2, 13.1-13.9.

J. Helen Isaac and Don C. Lawton, 1997, Anisotropic physical modelling: FRP Research Report, Vol. 3, 15.1-15.26.

Don Lawton, Helen Isaac, Jennifer Leslie and Robert Vestrum, 1998: Slip-sliding away - seismic velocity anisotropy and depth imaging: GAC/MAC Ann. Mtg. Abstracts

J. Helen Isaac and Don C. Lawton, 1998: Image mispositioning due to dipping TI media: A physical seismic modelling study: CSEG/CSPG/CWLS Ann. Mtg. Abstracts

M. Graziella Kirtland Grech, J. Helen Isaac, Robert R. Stewart and Don C. Lawton, 1998, Comparison of structural imaging in anisotropic media using P-wave and S-wave data: CSEG/CSPG/CWLS Ann. Mtg. Abstracts

Nanxun Dai, Scott Cheadle and J. Helen Isaac, 1998, Prestack depth migration in TI media: examples with numerical and physical modeling data: CSEG/CSPG/CWLS Ann. Mtg. Abstracts

M. Graziella Kirtland Grech, J. Helen Isaac and Don C. Lawton, 1998, Comparison of structural imaging in anisotropic media using P-wave and S-wave data: SEG Ann. Mtg. Expanded Abstracts

J. Helen Isaac and Don C. Lawton, 1998, Wavefronts in a transversely isotropic medium: FRP Research Report, Vol. 4, 7.1-7.7.

J. Helen Isaac and Don C. Lawton, 1998, Multicomponent anisotropic physical modelling: FRP Research Report, Vol. 4, 9.1-9.18.

M. Graziella Kirtland Grech, J. Helen Isaac and Don C. Lawton, 1998, Comparison of structural imaging in anisotropic media using P-wave and S-wave data: FRP Research Report, Vol. 4, 8.1-8.10.

J. Helen Isaac and Don C. Lawton, 1999, Image mispositioning due to dipping TI media: A physical seismic modeling study: Geophysics, 64, 1230-1238.

M. Graziella Kirtland Grech, J. Helen Isaac and Don C. Lawton, 1999, Comparison of structural imaging in anisotropic media using P-wave and S-wave data: The Leading Edge, Vol. 18, No. 9, 1062-1066.

J. Helen Isaac and Don C. Lawton, 1999, Implications of TTI on 3-D surveys: A physical modelling study: FRP Research Report, Vol. 5, 13.1-13.20.

J. Helen Isaac and Don C. Lawton, 1999, A new method for the estimation of anisotropy parameters from surface P-wave seismic data: FRP Research Report, Vol. 5, 14.1-14.12.

J. Helen Isaac and Don C. Lawton, 1999, Practical velocity model building for pre-stack depth migration in structural areas: FRP Research Report, Vol. 5, 15.1-15.8.

J. Helen Isaac and Don C. Lawton, 2000, A new method for the estimation of anisotropy parameters from surface P-wave seismic data: SEG Ann. Mtg. Expanded Abstracts.

J. Helen Isaac and Don C. Lawton, 2000, Practical estimation of anisotropy parameters from surface P-wave seismic data. Part 1: Procedure and synthetic data analysis: FRP Research Report, Vol. 6, 5.1-5.9.

J. Helen Isaac and Don C. Lawton, 2000, Practical estimation of anisotropy parameters from surface P-wave seismic data. Part 2: Field data analysis: FRP Research Report, Vol. 6, 6.1-6.5.

Don C. Lawton, J. Helen Isaac, Robert W. Vestrum and Jennifer M. Leslie, 2001, Slip-slidin’ away – some practical implications of seismic velocity anisotropy on depth imaging: The Leading Edge, Vol. 20, No. 1, 70-73.

J. Helen Isaac and Don C. Lawton, 2001, Practical estimation of anisotropy parameters from surface P-wave seismic data. Part 3: Improved procedures and field data tests: FRP Research Report, Vol. 7, 14.1-14.11.

J. Helen Isaac and Don C. Lawton, 2001, A short note on velocity model building for PSDM of complex structures: FRP Research Report, Vol. 7, 15.1-15.8.

J. Helen Isaac and Larry R. Lines, 2001, Where’s the reef?: FRP Research Report, Vol. 7, 16.1-16.5.

J. Helen Isaac and Don C. Lawton, 2001, A field trip to Mud Buttes, Alberta: FRP Research Report, Vol. 7, 17.1-17.8.

Helen Isaac and Larry Lines, 2002, Where’s the reef?: CSEG Recorder, Vol. 27, no. 3, 30-32.

Helen Isaac and Don Lawton, 2002, Image mispositioning in Foothills seismic data due to a dipping transversely isotropic overburden: Implications from physical seismic modelling studies: CSEG Recorder, Vol. 27, no. 3, 34-38

J. Helen Isaac and Don C. Lawton, 2002, Practical inversion of anisotropy parameters from surface P-wave seismic data: CSEG Ann. Mtg. Expanded Abstracts.

J. Helen Isaac and Don C. Lawton, 2002, Interbedded sand/shale sequences: Anisotropy parameter inversion and imaging: FRP Research Report, Vol. 8, 3.1-3.9.

Don C. Lawton and J. Helen Isaac, 2002, Benefits of integrated seismic and gravity exploration: Example from Norman Wells, NWT: FRP Research Report, Vol. 8, 10.1-10.17.

J. Helen Isaac and Don C. Lawton, 2003, Benefits of integrated seismic and gravity exploration: An example from Norman Wells, NWT: CSEG/CSPG Ann. Mtg., Expanded Abstracts.

Helen Isaac and Larry Lines, 2003, Geophysics research at the University of Calgary: CSEG Recorder, Vol. 28, no. 3, 18-19.

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