A method of delivering chemicals such as scale inhibitor into a wellbore producing fluids includes providing the chemicals, in a slow-release form, in a container located in the path of the production fluids so that the production fluids pass through the container. Preferably, the container is suspended...http://www.google.es/patents/US7419937?utm_source=gb-gplus-sharePatente US7419937 - Method for providing treatment chemicals in a subterranean well
Method for providing treatment chemicals in a subterranean well