Paulsson, Inc. provides Advanced Borehole Seismic (ABS)® services On-shore and Off-shore worldwide. Our services include survey design, acquisition and advanced 3D processing of 2D/3D/4D VSP surveys. The Paulsson acquisition services deploy fiber-optic based ultra-large 3C borehole seismic arrays. The Paulsson advanced processing include Kirchhoff Pre-Stack Depth Migration, Wave Equation Migration, Reverse Time Migration, Interferometric Migration and Multiples Migration. We provide onsite microseismic monitoring and imaging using large borehole seismic array data and proprietary software. Paulsson provides customized permanent and redeployable borehole fiber-optic seismic arrays to 30,000-ft, 30,000-psi and 300°C (572°F) in vertical and horizontal wells for any application.