Halliburton Company provides a variety of services and products to customers in the energy industry. The Company operates under two divisions: the Completion and Production, and the Drilling and Evaluation segment. Halliburton Company offers a suite of services and products to customers through its two business segments for the exploration, development and production of oil and gas. In October 2008, the Company acquired Pinnacle Technologies, Inc. (Pinnacle), a provider of microseismic fracture mapping services and tiltmeter mapping services. In July 2008, it acquired the remaining 49% interest in WellDynamics B.V. (WellDynamics) from Shell Technology Ventures Fund 1 B.V. (STV Fund). In June 2008, Halliburton Company acquired Protech Centerform, a provider of casing centralization services. In May 2008, it acquired Knowledge Systems Inc. (KSI), a provider of combined geopressure and geomechanical analysis software and services.