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Construction Methods of Pipe Drilling

Construction Methods of Pipe Drilling

  • Categories:Pipe Drilling
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  • Time of issue:2020-08-31 18:01
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(Summary description)Follow-pipe drilling is a special method of geological core drilling. It uses eccentric drilling tools instead of pneumatic DTH hammers , and adds casing and casing shoes . Follow-up drilling has very high requirements for follow-up, and the equipment used needs to be equipped with a variety of drilling tools.

Construction Methods of Pipe Drilling

(Summary description)Follow-pipe drilling is a special method of geological core drilling. It uses eccentric drilling tools instead of pneumatic DTH hammers , and adds casing and casing shoes . Follow-up drilling has very high requirements for follow-up, and the equipment used needs to be equipped with a variety of drilling tools.

  • Categories:Pipe Drilling
  • Author:
  • Origin:
  • Time of issue:2020-08-31 18:01
  • Views:
Information

Follow-pipe drilling is a special method of geological core drilling. It uses eccentric drilling tools instead of pneumatic DTH hammers , and adds casing and casing shoes . Follow-up drilling has very high requirements for follow-up, and the equipment used needs to be equipped with a variety of drilling tools. And the configuration of the drilling tool should be as good as possible, because the drilling efficiency is largely affected by it. Next, we will talk about the method of drilling with pipe .

1. We must first understand the basic situation and geological conditions of the strata. Understand whether the stratum is loose, whether it is the geology of the broken layer, whether it is difficult to make holes in the stratum, whether it can be drilled with pipes, and avoid using inappropriate methods to increase the difficulty of construction.

2. The scaffold of the drilling rig must meet the requirements of safe operation and be able to withstand the shock and other loads generated during the drilling process.

3. Drilling rigs, drilling tools, casing and other tools must be checked repeatedly before construction. If there are problems, they are not allowed to be used to avoid safety accidents during construction.

4. In the process of making holes, if you want to pass through complex areas, you must be careful and pass slowly. In the event of an accident, the cause must be found out, and the construction should be carried out after troubleshooting. Frequently check the appearance of the utility tools. If there are cracks or other conditions, they must be replaced immediately, because the follow-up drilling requires a lot of tools to be used, and it is necessary to avoid the consequences of hole making failure due to the tool.

5. After making the hole, when withdrawing the drill, the action should be as slow as possible, and the strength should be as gentle as possible to avoid excessive operating force and damage to the drill bit and the pipe shoe.

6. When pulling out the casing, the force should be slow and even to prevent the casing from breaking from the thread.

The above is the method of drilling with the pipe that I have compiled. I hope I can provide you with a little help.

 

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