Patent ID: 9476292
Filing Date: 2016-10-25
CPC Classification: E21B

Claim Text:
1. A deepwater drilling condition based marine riser mechanical behavior test simulation system, comprising: an upper sliding guide, a lower sliding guide, an upper trailer connecting plate, a lower trailer connecting plate, a top tension applying mechanism, a drill pressure regulating mechanism, a submersible pump, an air compressor, a frequency converter, a servo motor encoder, an internal current flowmeter and a control cabinet; wherein the frequency converter and the servo motor encoder are arranged in a watertight caisson; wherein the upper trailer connecting plate is connected onto the upper sliding guide; wherein the lower trailer connecting plate is connected onto the lower sliding guide; wherein an upper three-component dynamometer, an upper connecting structure, a marine riser, a lower connecting structure and a lower three-component dynamometer connected in sequence are arranged between the upper trailer connecting plate and the lower trailer connecting plate along a direction from top to bottom; wherein a first five-position three-way valve is mounted on the first pipeline; wherein the shunt valve is connected to the second cylinder mechanism through a second pipeline; wherein a second five-position three-way valve is mounted on the second pipeline; wherein a third end opening of the upper tee fitting is connected to a turbine flowmeter; wherein the servo motor encoder is connected with the driving device through a second cable; wherein the frequency converter, the servo motor encoder, the turbine flowmeter, the sensors, the first five-position three-way valve and the second five-position three-way valve are all connected with the control cabinet through cables.