Category
2019, 41(2): 125-129.
DOI: 10.13639/j.odpt.2019.02.001
2019, 41(2): 137-142.
DOI: 10.13639/j.odpt.2019.02.003
Customized design of micro-core PDC bit and its application in the deep formations of Nanpu Oilfield
2019, 41(2): 165-169, 190.
DOI: 10.13639/j.odpt.2019.02.008
2019, 41(2): 170-177.
DOI: 10.13639/j.odpt.2019.02.009
2019, 41(2): 178-183.
DOI: 10.13639/j.odpt.2019.02.010
2019, 41(2): 197-202.
DOI: 10.13639/j.odpt.2019.02.013
2019, 41(2): 212-223.
DOI: 10.13639/j.odpt.2019.02.015
2019, 41(2): 254-258.
DOI: 10.13639/j.odpt.2019.02.021
2019, 41(2): 259-264.
DOI: 10.13639/j.odpt.2019.02.022