Seismic Signal Recording TRIZ Cases

Separating upgoing and downgoing wavefields lets first-order multiples be estimated and used to improve seismic imaging in poorly illuminated subsurface areas.

FWI sensitivity kernels validate sparse OBN source and receiver layouts to improve velocity models and imaging below salt bodies.

Separating upgoing, downgoing, and direct arrivals enables MDD redatuming that improves ocean-bottom seismic accuracy on dipping seafloors.

Dual-gain seismic receiver channels capture strong direct waves and weak reflections without saturation, preserving short-offset marine data.

An over-under muon detector array paired with seismic sensors adds subsurface density imaging while reducing spurious signals and noise.

MPI-based node partitioning sorts seismic headers in parallel, then orders traces into cross-spread gathers for faster imaging.

Vector wavenumber transform extracts higher mode dispersion curves to reduce inversion non-uniqueness and computation time.

Multi-stage full wavefield inversion generates multiple-free seismic data sets using free-surface boundary conditions.

Orthogonal source encoding separates wavefields to reduce residual shot noise and improve time-lapse resolution.

Alford rotation processing with orthogonality error angle inversion estimates anisotropic properties despite non-orthogonal dipole configurations.

Acoustic sensor arrays detect P-waves and S-waves using pre-computed travel time curves for real-time event identification.

Combining microseismic resonance, gamma radiation, and magnetometric density data identifies fracture zones to reduce drilling guesswork.

An iterative algorithm picks seismic horizon points from seed locations to generate detailed attribute maps for geological interpretation.

Automated temporal analysis system generates real-time fracture maps from deformation measurements.

Synchronizes clocks between source and receiver wells to detect seismic events, resolving velocity inversion challenges in rugged terrain.

A joint processing framework removes multiple marine seismic acquisition effects concurrently using shared basis functions in a unified transform domain.

Composite far offset impulsive source activations distribute acoustic energy across multiple component impulses to generate subsurface images.

Cross shot line surface wave tomography resolves small near-surface heterogeneities between receiver lines using 2D inversion.

Autonomous seismic data nodes measure subsurface fracture geometry using electrically active proppants, eliminating bulky wiring failures.

A Geological-Time Refinement technique reshapes reference horizons and interpolates along iso-paleo-geographic lines to generate accurate subsurface models.

Corrects sensor clock drift by calculating time offsets from opposing seismic signals, improving survey precision without complex hardware.

An iterative deblending workflow separates overlapping seismic energy using coherency filters to isolate individual source contributions.