Well servicing contractor Key Energy Services Inc. has agreed to acquire Edge Oilfield Services LLC and Summit Oilfield Services LLC for $300 million in stock and cash, plus reimbursement of up to $40 million of capital spending in the Eagle Ford Shale. Edge primarily rents hydraulic fracturing stack equipment. It also provides well testing services, rental equipment such as pumps and power swivels, and oilfield fishing services. Closing is expected during this quarter subject to customary conditions.