The field of Oil and gas is indeed a well-packed area or jurisdiction when the topic of what contributes most to the Nigerian economy comes up for discussion. In this stead, it should not be a surprise that this paper has been brought to aid the reader with between understanding of some of the...

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....

Oil and gas company returns are compared between upstream, midstream, and down-stream sectors from 2000 through 2020. Crude oil, natural gas, and distillate returns reflect project risk, infrastructure, and conditions within the industry. Equity, commodity, and distillate markets positively...