Drilling tool capable of reducing combining exterior angle difference measurement error of directional drilling tool
LIU BIN, XIA YAN, ZHANG JIE, DENG YUANZHOU, QIAO KAICONG, YUAN GUANGJIE
Year of Publication 05.02.2014
Get full text
Year of Publication 05.02.2014
Patent
Method for reducing exterior angle deviation measuring errors of directional drilling assembly and drilling tool
LIU BIN, XIA YAN, ZHANG JIE, DENG YUANZHOU, QIAO KAICONG, YUAN GUANGJIE
Year of Publication 09.10.2013
Get full text
Year of Publication 09.10.2013
Patent