New seismic better defines North Ustyurt basin potential

The North Ustyurt basin occupies the area adjacent to the southeastern part of the Pre-Caspian basin. Its tectonic activity was initiated by counterclockwise movement of the Kazakhstan shield during Carboniferous and Permian time and compression from the northeast caused by the collision with the Central Karakums tectonic subcontinent in Jurassic and Cretaceous time (Fig.1). Click here to enlarge imageSoviet geologists have extensively explored the North Ustyurt basin since the mid-1960s. Several thousand kilometers of 2D seismic data were acquired, most of which were of very low quality. About 15 delineated structures were drilled by deep exploration wells. Ultimately, only four of tho...

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