Webster Dictionary(0.00 / 0 votes)Rate this definition: Quinine(noun) an alkaloid extracted from the bark of several species of cinchona (esp. Cinchona Calisaya) as a bitter white crystalline substance, C20H24N2O2.
The Downstream segment has global manufacturing and marketing operations. It is the product and service-led arm of BP, made up of three businesses: fuels, lubricants and petrochemicals.
Oil & Gas Field Services Industry Overview. Companies in this industry support oil and gas field operations on a contract basis. Major companies include Baker Hughes, China Oilfield Services, Halliburton, Nabors Industries, National Oilwell Varco, Saipem, Schlumberger, Transocean, and Weatherford International. Demand is driven by oil and gas prices. The profitability of individual companies depends on technical expertise and efficiency of operations. Large companies can offer a broad range of services. Small firms can compete effectively by specializing in a particular type of service or geographic area.