Big Oil is muscling in on shale country.
Exxon Mobil Corp., Royal Dutch Shell Plc and Chevron Corp., are jumping into American shale with gusto, planning to spend a combined $10 billion this year, up from next to nothing only a few years ago.
The giants are gaining a foothold in West Texas with such projects as Bongo 76-43, a well which is being drilled 10,000 feet beneath the table-flat, sage-scented desert, and which then extends horizontally for a mile, blasting through rock to capture light crude from the sprawling Permian Basin.--
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