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Unionlever Oilfield Equipment Co., Ltd. (Unionlever OFS) is a core subsidiary of Unionlever International Group Ltd. (Hong Kong), established as the Group’s dedicated division for oilfield equipment manufacturing, technical support, and global supply services.
Working Principle, Classification, and Application of Drilling Rigs in Petroleum Exploration
Release Date:
2025-10-24
Summary
A drilling rig is a machine used to bore holes underground, primarily categorized into rotary and percussion types. It plays a crucial role in petroleum exploration, ensuring the smooth progress of drilling operations and enhancing oil extraction efficiency.
A drilling rig is specialized machinery designed for creating boreholes underground, widely employed in petroleum exploration, mineral resource development, groundwater engineering, and other fields. The efficiency and safety of drilling rigs directly determine the success of drilling operations, making them indispensable in modern industry.
I. Working Principles of Drilling Rigs
Drilling rigs primarily operate through two mechanisms: rotary and percussion. Rotary drilling rigs use high-speed rotation of the drill bit to cut through strata, breaking rock into smaller fragments that are then brought to the surface via the drill pipe. Percussion drilling rigs, conversely, rely on the impact force of the drill bit to fracture rock, making them suitable for drilling through hard rock formations.
II. Classification of Drilling Rigs
Drilling rigs can be categorized into various types based on different criteria. By power source, they include electric drilling rigs, diesel drilling rigs, and pneumatic drilling rigs; by operating method, they encompass rotary drilling rigs, percussion drilling rigs, and composite drilling rigs; by application, they are classified as petroleum drilling rigs, geological drilling rigs, and water well drilling rigs.
III. Application of Drilling Rigs in Petroleum Exploration
Petroleum exploration represents one of the primary application areas for drilling rigs. During exploration, these rigs must traverse diverse complex formations such as shale, sandstone, and limestone. The operational efficiency, stability, and safety of drilling rigs directly impact the profitability of oil extraction. Consequently, rigs used in petroleum exploration require advanced technical capabilities and rigorous maintenance management.
In summary, as vital industrial equipment, drilling rigs play an irreplaceable role in petroleum exploration, mineral resource development, groundwater engineering, and other fields. With technological advancements and increasing engineering demands, the technical capabilities and performance of drilling rigs continue to evolve, making significant contributions to modern industrial development.
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