Data Analysis on Standard Parameters of the Rope;

Studies on ultra-high molecular weight polyethylene fiber ropes for fishing gear;

The structure,physical properties,impace resistance,fire protection of it were comparaed with other fibers are introduced in this paper,and the application of it in composites,bodyarmor,fireproofing,ropes and advanced fabrics are also summarized.

Anchor is one of the most important components of cable for bridge.

On the basis of analysis of the fluid drag acting on a suspended cable subjected to transverse fluid excitation, an expression is established for the fluid forces applied on the cable.

The fluid drag on the suspended cable subject to transverse fluid exiction is analyzed and the dynamic equation of cable is established in the case of small ration of sag-to-span.

Working principle and structural features of SYZX75 wire-line coring hydro-hammer are presented.

7 mm wire-line coring tool driven by a mud motor.

To meet the demand of wire-line coring drilling in complicated formation,compound solid-free drilling fluid of CL plant glue was compounded and used instead of drilling mud with the property of wall protection and leaking stoppage.

The application instance of wireline coring technique was introduced with the project case of coal-bed methane parameter well in Baotian-Qingshan area of Guizhou,the drilling techniques were brought forward in accordance with complex formation,unstable borehole wall,being hard to core in coal powder.

The wireline coring technique is an advanced, multi-functional drilling method.

It combines the RC drilling with the diamond wireline coring drilling and uses the same drilling pipes and tools to realize several drilling methods adapted to its formations according to the engineering environments and geological requirements and so on.