Areal extent of the Bakken Formation and its age equivalents within the
Bakken Shale Formation. Web the bakken formation consists of a lower shale member, a middle sandstone member, and an upper shale member. Web the bakken formation comprises three distinct members.
Web the bakken formation comprises three distinct members. Web the bakken formation consists of a lower shale member, a middle sandstone member, and an upper shale member.
Web the bakken formation comprises three distinct members. Web the bakken formation consists of a lower shale member, a middle sandstone member, and an upper shale member. Web the bakken formation comprises three distinct members.