Discussion of Essential Technologies for Drilling Construction in Deep Salt Mine of Cangzhou

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Discussion of Essential Technologies for Drilling Construction in Deep Salt Mine of Cangzhou
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Affiliation:No.4 Team of Hydrogeology and Engineering Geology, Hebei Provincial Bureau of Geo-exploration and Mineral Development,No.4 Team of Hydrogeology and Engineering Geology, Hebei Provincial Bureau of Geo-exploration and Mineral Development,No.4 Team of Hydrogeology and Engineering Geology, Hebei Provincial Bureau of Geo-exploration and Mineral Development,No.4 Team of Hydrogeology and Engineering Geology, Hebei Provincial Bureau of Geo-exploration and Mineral Development,No.4 Team of Hydrogeology and Engineering Geology, Hebei Provincial Bureau of Geo-exploration and Mineral Development,No.4 Team of Hydrogeology and Engineering Geology, Hebei Provincial Bureau of Geo-exploration and Mineral Development
Clc Number:P634.5
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Abstract:

In the halite resources survey project in Cang County of Hebei Province, the construction cost was high because it was difficult in coring and wall protection by mud. In the first borehole, Qingshen-98-Ⅱ double tube core barrel, carbide scraper, PDC bit and coring by drill string lifting were selected for coring operation. The construction efficiency was improved by critical drilling time and core plugging prevention; wall stability was ensured by sectional wall protection with mud.

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Received:February 06,2013
Revised:February 06,2013
Adopted:April 27,2013
Online: May 23,2013
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