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Participation in OTC 2018
Coring in Broken formation in Ma jing-X well
BP reverse contracting Wells in Wei-xxx well achie…
Technical expert escorts Shuang-tan deep well cori…
"Chuan type" coring technique made a new achieveme…
"Chuan Qing" shale gas high-performance PDC bit ac…
Drilling and production Technology Co., Ltd. sets …
PDC bit is well received
The parallel two-way drilling fluid recovery skid …
Particle drilling test achieved stage success
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