This standard specifies the wellbore structural design methods for onshore oil and natural gas drilling vertical wells and directional wells. This standard is applicable to the structural design of vertical wells and directional wells for onshore oil and natural gas drilling. The structural design of drilling wells for special process wells such as horizontal wells can also be implemented with reference.
SY/T 5431-2008 Referenced Document
SY/T 5087 Operational Safety Code for Drilling Sites in Hydrogen Sulfide Environment*, 2017-08-01 Update
SY/T 5724 Design for casing string structure and strength
SY/T 6396-1999 Requirements for cluster drilling hole anticollision technology