PWL Outer Tube
PWL Outer Tube
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In wireline drilling, an outer tube is a crucial component of the core barrel assembly used to retrieve intact core samples from the subsurface during drilling operations. The outer tube serves as a protective casing that surrounds and shields the core samples as they are brought to the surface. It plays a pivotal role in maintaining the integrity of the core samples and preventing any potential damage or alteration during the retrieval process.
The outer tube is designed to fit over the inner tube of the core barrel, where the actual core samples are collected and stored. As the drilling progresses, the outer tube encases the inner tube, effectively encapsulating the core samples within a secure and controlled environment. This protection is essential to ensure that the core samples remain representative of the geological formations they were extracted from, enabling accurate analysis and interpretation of subsurface conditions.
Moreover, the outer tube prevents any contamination or mixing of the core samples with drilling fluids or debris that may be present in the borehole. By maintaining a barrier between the core samples and the surrounding environment, the outer tube helps preserve the integrity of the samples and ensures that they can be studied for their physical and chemical properties without interference.
PWL Core Barrel
A PWL core barrel typically comprises several key components, including an outer tube, inner tube, and a core lifter. The core lifter is a critical mechanism designed to securely hold and extract the core sample from the geological formation. The inner tube is used to collect the core sample, while the outer tube provides protection to the core sample during drilling and retrieval. PWL core barrels adhere to specific dimensions, with an inner tube diameter of approximately 3.375 inches (85.7 millimetres).
This standardized size allows PWL core barrels to be compatible with a variety of drilling equipment and systems. PWL core barrels are widely used in drilling projects related to mineral exploration, environmental studies, geotechnical investigations, and other applications that require a larger core sample for in-depth analysis.
Our Core Barrel Components
Our Core Barrel Accessories is a comprehensive collection of specialized tools and components designed to enhance and optimize the core barrel drilling process. Developed by industry experts with extensive knowledge in core sampling and exploration, these accessories offer practical solutions to overcome challenges and maximize efficiency in various geological and mining applications.