Accuracy offshore seismic probe technology, a special Bohai Oil Field prospecting project under the National 863 Program, has recently passed a validation check.
Undertaken by the Shengli Oilfield Administration, the four-year efforts have produced a range of substantive progresses in collecting, processing, and interpreting offshore seismic data. Researchers developed proprietary innovative seismic sources and land based piezoelectricity detectors, and found solutions for surface structural survey, secondary positioning, error correction, fake reflection, and cyclic seabed quake suppressing. In addition to a workflow for accuracy offshore seismic probe and a line of data collection and processing technologies, the project has generated 8 utility patent grants, 4 design grants, and a copyright for accuracy offshore seismic probe software.
Started from 2002, the research team has harvested major progresses amid collecting seismic data across the offshores of the Shengli Oilfield. Statistics show that the main frequency of the seismic data is raised from 50Hz to 70Hz, the interpretation accuracy from 85% to 95%, closure identification accuracy from 0.3km2 to 0.1km2, and well exploration success from 50% to 59%. |
