Basic parameters of oil drilling rigs_oil drilling rig manufacturers
Release time:
2020-06-09
In oil drilling, the drilling tool is driven to break the rock and drill into the ground to drill a borehole with a specified depth for the oil or gas extraction machine to obtain oil or natural gas. A commonly used oil drilling rig is mainly composed of eight parts, such as power machine, transmission machine, working machine and auxiliary equipment.
Oil drilling rigs generally have eight major systems (lifting system, rotating system, drilling fluid circulation system, transmission system, control system and monitoring and display instrument, power drive system, drilling rig substructure, drilling rig auxiliary equipment system), and shall have tripping capacity, rotary drilling capacity and circulating flushing capacity. Its main equipment includes: derrick, overhead crane, winch, traveling block, hook, rotary table, faucet (power faucet) and drilling pump (the site is customarily called eight parts of drilling rig), power machine (diesel engine, electric motor, gas turbine), linkage machine, solid control equipment, well control equipment, etc.
The basic parameters of the drilling rig refer to the technical indicators reflecting the basic working performance, also known as characteristic parameters. such as nominal rig depth, maximum drill string weight, maximum hook load. The basic parameters are the main technical basis for the design, manufacture, selection, use, maintenance and transformation of drilling rigs.
The basic parameters of the drilling rig are mainly composed of the main parameters, the parameters of the lifting system, the parameters of the rotating system, the parameters of the circulating system and the parameters of the driving system according to the system classification.
Among the basic parameters, one of the most important parameters is selected as the main parameter. The main parameters should have the following characteristics, which can directly reflect the drilling capacity and main performance of the drilling rig; it has influence and decision on other parameters, and can be used to calibrate the drilling rig model and serve as the main technical basis for the design and selection of drilling rigs.
The nominal drilling depth L (the upper limit of the nominal drilling depth range) is used as the main parameter in China's drilling rig standards. Because the maximum drilling depth of the drilling rig affects and determines the size of other parameters. There is no unified national symbol for drilling rigs, but the drilling rigs produced by major companies basically take the nominal drilling depth range as the main parameter.
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