Complete Production Services, a firm that helps oil and gas companies develop hydrocarbon reserves, reduce operating costs and enhance production, announced Tuesday morning that it will offer 21.7 million shares at a range of $22 to $24. Assuming the stock prices at the midpoint, the company will have an initial market capitalization of $1.6 billion. Credit Suisse and UBS Investment Bank head the list of underwriters on the deal. Timing has yet to be disclosed.

