A number of countries have recently discovered and are developing oil and gas reserves. Policy makers in such countries are anxious to obtain the greatest benefits for their economies from the extraction of these exhaustible resources by designing appropriate policies to achieve desired goals....

This book discusses the economic, political, and environmental issues surrounding the international exploration and exploitation of conventional and unconventional natural gas. Shale gas development in recent years has changed the energy discussion in the US as existing reserves of natural gas...

1. Background 2. A Rubber Experiment and the Constitutive Model 3. Mechanical Behavior and Sealing Performance of the Rubber Sealing Rings 4. Metal-rubber Sealing Structure in the Roller Cone Bit 5. Stator Rubber of the Positive Displacement Motor (PDM) 6. Sealing Structure of the Pump 7....