www.linkedin.com/in/yan-iliescu-****

Key Skills

Pre-Stack Depth Migration

Pre-Stack Time Migration

Migration algorithms

Near surface modeling/ Tomography

TTI Depth model building integrating wells

Hrz picking/Interpretation

VVAZ / AVAZ processing

Technical Presentations

Landmark/SeisSpace

Paradigm/Echos&GeoDep

Proprietary software

Work Experience

2016-Present FGS (Forland Geophysical Services)

Geophysicist

Conducted PSTM/PSDM processing and optimized the processing workflows

Built PSDM velocity model using FGS proprietary 3D Joint turning-ray and Reflection tomography tool

Designed and implemented the seismic imaging workflow to enhance subsurface image quality.

Incorporated the latest seismic imaging technologies to improve the quality of geophysical solution.

Delivered technical presentations to internal teams and external clients.

Mentor junior geophysicists, providing hands-on training in seismic depth imaging.

2012-2015 ConocoPhillips

Staff Geophysicist

Conducted PSTM/PSDM and depth velocity model building on the resource play and GOM projects including pre-processing and post migration gather conditioning for azimuthal analysis.

Collaborated with research developers to implement processing and imaging technology.

Applied VVAZ/AVAZ for resource play.

Collaborated with multidisciplinary teams to achieve common goals within the geophysical solution-based working model.

Participated in peer-reviews for projects to ensure the quality of work.

Presented "Pre-Stack Depth Imaging in the EagleFord" at ConocoPhillips 2013 Subsurface Symposium.

2006-2011 CGG

Geophysicist /Team Leader 2006-2011

Managed Pre-Stack Depth Migration imaging team, ensuring project completion to client specifications and on-time delivery.

Conducted structurally constrained anisotropic PSDM velocity models integrating well log information.

Derived near-surface velocity models from Turning-Ray Tomography.

Worked with developers to solve the statics for permafrost regions

Performed PSDM velocity model updates using CGGVeritas proprietary constrained global tomography tool

Experimented various depth technologies (CBM, RTM, WEM) and investigated 5D interpolation impact on various migration algorithms.

Worked with the R&D team and optimized Common Offset Vector migration for AVAZ processing.

Presented a technical presentation on land 3D shale gas imaging for client.

2001-2006 ION

Geophysicist

Conducted PSTM/ PSDM on marine/land datasets.

Picked horizons and improved subsalt imaging with interpretation-driven velocity model building.

Compared Wave-Equation depth migration and Kirchhoff depth migration on land 2D and 3D datasets.

Conducted 2D/3D forward and inverse raytracing, wave-equation modeling, and illumination studies.

Optimized production seismic data processing flow and parameters.

Resolved statics problems and enhanced seismic profile S/N ratio.

Investigated and optimized seismic data noise attenuation parameters.

1999-2001 CREWES Dept. of Geology and Geophysics, University of Calgary

Geophysicist-MSc, Student/Research Fellow

Researched and developed new algorithm/processing method of suppression the multiples by combining multi-component OBS data

Publicized and presented research results at SEG, CSEG, and sponsor meeting

Education

Master of Science in Geophysics, University of Calgary 1999-2001

Bachelor of Science in Geophysics, University of Petroleum, China 1986-1990

Publications

Yan, Y., X. Zhu, J. Jiao, E. Orepeza, J. Chen, and S. Muller, 2017, Permian Basin seismic data reprocessing - A case study: 87th Annual Meeting, SEG.

Yan, Y., and R. J. Brown, 2001, The suppression of water-column multiples by wavefield separation and cross-correlation: SEG Technical Program Expanded Abstracts 20, 1309

Professional Memberships

APEGGA

SEG

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