Abstract: Described herein are implementations of various technologies for a method for processing seismic data corresponding to a region of interest. The method may receive the seismic data. The method may separate the received seismic data into refraction packets and reflection packets. The method may receive a model for the region of interest. The method may update a first portion of the received model using the refraction packets with refraction traveltime tomography. The method may use the updated model to facilitate hydrocarbon exploration or production.

Abstract: Various implementations directed to seismic data processing using joint tomography are provided. In one implementation, a method may include receiving seismic data corresponding to a region of interest. The method may also include generating one or more first gathers and one or more second gathers based on the seismic data. The method may further include determining a relative shift in depth between at least a first event in the one or more first gathers and at least a second event in the one or more second gathers. The method may additionally include performing a joint tomography based at least in part on the first event, the second event, and the determined relative shift.

Abstract: Described herein are implementations of various technologies for a method for processing seismic data corresponding to a region of interest. The method may receive the seismic data. The method may separate the received seismic data into refraction packets and reflection packets. The method may receive a model for the region of interest. The method may update a first portion of the received model using the refraction packets with refraction traveltime tomography. The method may use the updated model to facilitate hydrocarbon exploration or production.

Abstract: Three dimensional seismic survey data are acquired and processed using a hexagonal sampling grid. The seismic data are grouped into hexagonal bins defined by the hexagonal grid instead of into rectangular bins defined by a rectangular grid. Method and apparatus which bin the data, although described for square and regular hexagonal grids, are also applicable to rectangles and hexagons of any shape. Because hexagonal binning requires fewer gridpoints than rectangular binning, survey source or receiver interval may be increased, which may help reduce survey cost.