As the global demand for energy continues to increase, we are going further and deeper than ever before to reach oil and natural gas. These resources often contain acidic compounds and are referred to as "sour service". The presence of chlorides, H_2S and CO_2 has a corrosive effect on standard C-Mn line pipes such as X-60 and X-65. As the demand for energy grows, we cannot afford to preferentially draw from sweet service wells and are more commonly being faced with the challenge of producing from sour service wells. It is estimated that up to 40% of the worlds known natural gas and oil reserves are considered sour service. As we push into deeper waters, temperature and pressures increase, only amplifying the rate of corrosion on standard line pipe materials when sour service conditions are present.
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