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Permian Basin Multi-Client Programme

Airborne Full Tensor Gradiometry (FTG) and Magnetics HD survey in the Delaware Basin has proved particularly useful for mapping drilling hazards in the shallow section

An unprecedented level of resolution was achieved in this 100m spaced survey over 1000 square miles in West Texas. Operators had experienced multiple causes of hazards in the shallow section and were unable to quantify risk. It was suggested that an FTG survey might provide valuable insight and information. The suggestion was correct.

Permian MultiClient data areas - Yellow hatched polygons are complete and available for purchase. Orange polygons are future acquisition. The extent of the Wolfcamp and Delaware plays are shown in green and red respectively.

Once the data had been collected, cutting edge interpretation consultants produced a shallow hazards risk map that achieved 87% accuracy in some areas and has been the subject of several industry papers and talks by operators and drillers.

Selected images from "Detection and avoidance of karst related shallow geohazards using ultra high resolution Full Tensor Gravity Gradiometry in the Delaware Basin, Texas" presented at AAPG 2018

Several seismic companies and experienced velocity model professionals have used this high resolution data to create a significantly more accurate image of shallow velocity variations.

Current work is proving that water detection and avoidance is another application for the data, with future studies planned to investigate the correlation between fault maps from FTG and magnetics with induced seismicity.

Related Papers

Managing Drilling Losses in the Permian Using Airborne Gravity Full Tensor Gradiometry - SPE 2019

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