The fixed platform type design: it is mainly made up of pipe rack, stake pole and top facilities with low temperature resistance. According to shallow offshore environment and geological condition, confirm stake pole submarine connection forms and depth. Pour cement and form ocean platform, operate on the top deck. The characteristic is good stability and that the ocean weather condition have little effect on the drilling operation.
The seat bottom type design: the total design is a walking type platform, which can ensure the moving in “shallow sea” or “tidal zone”. The rig can also be pulled in deep water, with the characteristic of good transportation performance.