7Ali N Moosavi, Khalid RuMASH, Mostafa Kadri,et al.Material selection for downhole sour environments[C]// Abu Dhabi International Petroleum Exhibitionand Conference, Abu Dhabi, UAE, 2008.
8ISO 15156 - 2 : 2003. Petroleum and natural gasindustries : Materials for use in H2 S-containningenvironments and oil and gas production Part 2 :Cracking-resistant carbon and low alloy steel and theuse of cast irons [ S].