Treating Sleeping Sickness. The type of treatment depends on the stage of the disease. Drugs used in the first stage of the disease are of lower toxicity and are easier to administer. However, treatment success in the second stage of the disease depends on a drug that can cross the blood-brain barrier.
Definition of casinghead gas. : natural gas rich in hydrocarbon vapors that is taken without processing from an oil well.
Casing and Tubing. At our state-of-the-art, fully-integrated manufacturing facilities, we produce steel pipe from 1 1/3 to 28 (outside diameters). Our casing and tubing pipes are manufactured according to API grades and also in proprietary grades including sour, high collapse, chrome and CRA products for special applications.