Preparation of verification device for petroleum drilling weight indicators
Kejia Zhu · 2007
The petroleum drilling weight indicator is a special detecting instrument for petroleum drilling,and many domestic counterparts have been seeking and trying to find out an accurate and effective verification method in those years.According to those particularities and requirements for verifying petroleum drilling weight indicators,a convenient and effective verification device for petroleum drilling weight indicator was prepared with regarding to their detecting methods and ways.It should play important roles to improve the research of verification method for petroleum drilling weight indicators.