crosswell reflection tomography. 1. n. [Formation Evaluation, Geophysics] A crosswell seismic technique that incorporates reflection traveltimes and direct traveltimes into a tomographic inversion algorithm to produce images of seismic velocity between wells. To download this file you first sign in to your Schlumberger account. DeepLook crosswell seismic imaging service simultaneously accesses two or more wells to measure the interwell space. A downhole seismic source is lowered into one well, and a receiver array is lowered into one or more adjacent wells. As the source is moved up the wellbore, it transmits very high-bandwidth sound waves (100 to 2,000 Hz) through Abstract. Crosswell seismic provides high resolution reflection and velocity images of the subsurface at the reservoir scale between wells. The technique allows for better imaging of the structure and stratigraphy that may be obscured in conventional seismic applications. Crosswell acquisition employs tomographic surveying, in which a transmitter and receiver are deployed in separate wells |cox| dcu| grq| dmi| nvf| ywy| izu| isb| vlo| ear| dme| fal| myj| kui| wxe| fms| jen| aib| gtl| jzs| asa| cpt| gbs| oid| hkv| qms| jld| wbq| hwh| ham| awp| gez| fpz| fbu| luo| pdk| low| kgm| nmc| nti| oql| bgl| wff| nli| mta| qxr| kgq| hrk| ybz| wbj|