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Shallow Geohazard Assessment

Delineate shallow geohazards before drilling

Mitigate drilling risk and improve field planning

Equipment damage, NPT, sediment failures, lost circulation, and blowouts: all of these can be caused by shallow geohazards. Our shallow hazard assessment delineates seafloor, shallow subsurface, and synthetic geohazards during the predrill stage. This enables you to make better, safer drilling decisions that influence well placement and trajectory and select optimal locations for mission-critical field infrastructure.

Precisely assess shallow geohazards

Our comprehensive workflow includes fit-for-purpose, high-resolution seismic reprocessing that preserves high frequencies and optimizes imaging. This increases the spatial accuracy of the image, enabling precision assessment of hazards at the seafloor and just below the subsurface.

Move the slider to see how shallow geohazard assessment preserved the high frequencies, providing a more detailed image.

Seismic section before reprocessing for geohazard analysis.

Seismic section after reprocessing for geohazard analysis.

We meet all US Minerals Management Service (MMS) requirements for delineating geologic and synthetic shallow hazard features.

Illuminate shallow geohazards with 3D seismic data

We use a range of data analyses techniques, including stratigraphic evaluation, attribute analysis, and prestack seismic inversion to delineate geohazards. High-resolution pore pressure volumes can also be produced to complement the 3D structural imaging and quantify geohazards.

Typical seafloor attribute analysis that can be done on all seismic datasets. Using different attributes, we can visualize, identify, and highlight potentially hazardous geologic structures.

Generalized Matching Pursuit

Wavefield separation technique for over-under or dual-measurement marine data

Perform high-fidelity wavefield reconstruction and 3D deghosting of multimeasurement marine streamer data.

SWAMI

Surface wave analysis, modeling, and inversion

Combine multiple geophysical and geological measurements to improve reservoir characterization.

Specialty Drilling Applications

Casing-drilling and liner-drilling technology

Case and isolate the formation while drilling high-quality wellbores.

FIS

Fluid and debris isolation sub

The fluid/debris isolation sub is an enhancement of the standard cone-type debris-circulating sub for heavy mud environments or large amounts of debris.

Land Electromagnetics

Worldwide land EM services, including MT and CSEM

Rely on 30 years' experience and a global footprint for definitive land EM answers.

Model-Driven Interferometry

Removal of scattered surface waves from land seismic data

Predict and subtract ground-roll noise from land seismic using modified seismic interferometry.