Methods of isolating particular zones within a subterranean formation utilizing self-degrading cement compositions are provided. An example of a method of the present invention is a method that includes: providing a self-degrading cement composition that includes a degradable material, an acid source,...http://www.google.de/patents/US7497258?utm_source=gb-gplus-sharePatent US7497258 - Methods of isolating zones in subterranean formations using self-degrading cement compositions