What are the applications of rope core winch in geological exploration
The rope core winch is one of the commonly used equipment in geological exploration, mainly used in the following aspects:
1. Core extraction: During geological drilling, the rope core winch lowers the core tool into the borehole through the rope. After reaching the predetermined depth, the core tool obtains the core sample, and then the winch lifts the core tool and core to the ground through th
The rope core winch is one of the commonly used equipment in geological exploration, mainly used in the following aspects:
1. Core extraction: During geological drilling, the rope core winch lowers the core tool into the borehole through the rope. After reaching the predetermined depth, the core tool obtains the core sample, and then the winch lifts the core tool and core to the ground through the rope. This method can obtain core samples without extracting the entire drill string, greatly improving the efficiency of core extraction and reducing drilling time and costs. Especially in deep hole drilling, its advantages are more obvious.
2. Directional drilling: In directional drilling, the rope core winch combined with directional drilling technology can drill according to the designed direction and trajectory, and correctly obtain core samples from different strata and directions. This is of great significance for studying the spatial distribution of geological structures, the orientation and morphology of ore bodies, and helps to have a more accurate understanding of underground geological conditions.
3. Complex formation drilling: For some complex formations, such as fractured zones, soft formations, etc., the rope coring winch can use special coring tools and processes to obtain high-quality rock cores while minimizing disturbance to the formation. For example, by using coring tools with good wall protection performance, with the cooperation of winches, it is possible to smoothly coring in soft formations, providing reliable samples for geological analysis.
4. Hydrogeological exploration: In hydrogeological exploration, a rope core winch can be used to obtain core samples of groundwater aquifers to analyze parameters such as lithology, porosity, permeability, and to understand the storage and transport conditions of groundwater. At the same time, hydrogeological tests such as water level measurement and water injection testing can be conducted in boreholes, combined with core data, to better grasp the regional hydrogeological characteristics.
5. Geological hazard investigation: In geological hazard investigation, such as landslide, debris flow and other disasters, the rope core winch can help obtain rock cores of the disaster body and surrounding strata, analyze the geological structure, rock and soil characteristics, etc., providing important geological basis for the analysis of the causes of disasters, stability evaluation and the formulation of prevention and control measures.