Results 221 to 230 of about 392 (235)

Design of Horizontal Directional Drill Rig ZD1245/ZD2070

, 2004
MA Rui-yong
openalex  

Structural Features of SD7535 Horizontal Directional Drilling Rig and Its Technique Application

, 2008
Guo‐Ping Jiang
openalex  

Action Mechanism Research and Improvement of Slips of Horizontal Directional Drilling Rig

, 2009
Peng Wang
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Application of Horizontal 1 000 m Directional Drilling Rig to Mine Gas Drainage

, 2011
Xiong Ke-jian
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Main problems in the operation of horizontal directional drilling rig

openaire   +1 more source

An energy-saving oil drilling rig for recovering potential energy and decreasing motor power

Energy Conversion and Management, 2011
exaly  

Key technology of ZDY4000LD directional drilling rig

, 2012
Ke Yao
openalex  

Simulation and Analysis on Friction Disc Type of Braking Device for Directional Drilling Rig in Coalmine

, 2012
Ke Yao
openalex  

Design of Mini Type Horizontal Directional Drilling Rig

2009
exaly  

Design of ZYWL-6000D Directional Drill Rig Holder Base

, 2013
HU Shu-lin
openalex