a

Classified

Contact us

Sales Hotline: 0311-83600546
Sales Hotline: 0311-83623456
Fax: 0311-83619965
Manager Yan: 13931878897
Manager Guo: 13833168671
Email: shitanchang@sohu.com

 

Current location:
Home page
>
Product Center
产品名称

φ219 large diameter double-wall drill pipe

φ219/152 double-wall drill pipe is a large-diameter double-wall drill pipe, which can be used with various power head drills. The outer tube is connected with a special buckle, and the inner tube is connected with a plug-in connection with a seal. The structure is reasonable and the seal is reliable. It is widely used in mine rescue rescue holes, gas discharge wells, large-diameter engineering construction and large-diameter pile foundation construction.
产品名称

φ279 Double-wall drill collar

The 279/152 double-wall drill collar has a single length of 4.5 meters and a single weight of 1550 kg. It is connected with the centralizer to provide the weight for the impactor. The minimum weight for the 241 impactor is 6T. Combined with the weight of the centralizer, it is recommended to configure at least 4 A double-wall drill collar.
产品名称

Double-wall centralizer

Similar to the conventional drilling process, in order to maintain the verticality of the borehole during the rescue process, it is recommended that each level of borehole be equipped with a double-wall centralizer. The number and specifications of double-wall centralizers can be selected according to the drilling process.
产品名称

Adapter

产品名称

Oil drill pipe

Friction welded drill rods and joints implement API SPEC 5DP and SY/T5561-2008 standards. The drill rods are available in DZ50, R780, G105, and S135 grades, all of which have undergone local or overall heat treatment. The mechanical properties fully meet the standard requirements; the joints are made of high-quality alloys The steel 35CrMo, 4137H and other quenching and tempering treatment, the thread is processed by CNC lathe, forming tool, the surface is copper plated or phosphated, and the anti-sticking performance is good. It can also be customized according to customer requirements.
产品名称

Geological drill pipe

产品名称

Double-wall drilling tools

Double-wall drilling tools include double-wall gas faucets or gas boxes, double-wall active drill rods, double-wall drill rods, double-wall drill collars, gas-water mixers, positive and negative conversion devices and connection joints. The double-wall drilling tool is suitable for both gas lift reverse circulation drilling and air reverse circulation drilling. The gas lift reverse circulation drilling process has high drilling efficiency, long bit life, good well quality, and drilling in complex formations. The drilling is safe and reliable, and can achieve continuous sampling (core) drilling, saving auxiliary time and reducing labor intensity, etc.; the air reverse circulation drilling process has low air consumption, fast rock cutting back speed, strong ability to carry cuttings, and holes The bottom is clean, the drilling efficiency is high, and the drilling stability is good.
产品名称

Drill collar, non-magnetic drill collar

产品名称

Square kelly

产品名称

Heavy weight drill pipe

产品名称

Trenchless friction welding drill pipe

产品名称

Trenchless integral drill pipe

PRE
1
2
3

Contact

800 Zhongshan West Road, Shijiazhuang, Hebei Province

+86 13833170657 

News

Category brief summary: 新闻资讯
MULTI-FUNCTIONAL SURVEY SAMPLING DRILL RIG
MULTI-FUNCTIONAL SURVEY SAMPLING DRILL RIG
Multi-function survey sampling drill rig is a special drilling rig developed according to the construction requirements of soil and groundwater survey sampling drilling, and is a highly integrated and automatic drilling rig specially applied in soil survey and sampling industry.
See more information
Multi-function survey sampling drill rig is a special drilling rig developed according to the construction requirements of soil and groundwater survey sampling drilling, and is a highly integrated and automatic drilling rig specially applied in soil survey and sampling industry.
Established in 1975, Hebei Shitan Machinery Manufacturing Co., Ltd
Established in 1975, Hebei Shitan Machinery Manufacturing Co., Ltd
Established in 1975, Hebei Shitan Machinery Manufacturing Co., Ltd is subordinated to Hebei Geology and Mineral Industries Department. As the designated production enterprise, Hebei Shitan Machinery Manufacturing Co., Ltd specialized in manufacturing drilling equipment and auxiliary tools. It is a member of China Mining Association,
See more information
Established in 1975, Hebei Shitan Machinery Manufacturing Co., Ltd is subordinated to Hebei Geology and Mineral Industries Department. As the designated production enterprise, Hebei Shitan Machinery Manufacturing Co., Ltd specialized in manufacturing drilling equipment and auxiliary tools. It is a member of China Mining Association,

Feedback

Username used for comment:
Customer message
Description:

Copyright © 2020  Hebei Shitan Machinery Manufacturing Co., Ltd.    冀ICP备18009293号-1      Power by: 300.cn