Exhibit Profile：
Near bit measurement tool, BH-VDT vertical drilling tool, BH-ROP improving tools, BH-EKLD flow monitoring system, BH-cementing and completion tools, BH-LOT horizontal well steering technology, CBM drilling and completion technology, BH-FDD plugging technology, BH-SFM micro-seismic fracturing monitoring system, BH-HAS anti-high temperature anti-salt fracturing fluid, BH-EPL residue saturation testing technology
Near bit measurement tool, BH-VDT vertical drilling tool, BH-ROP improving tools, BH-EKLD flow monitoring system, BH-cementing and completion tools, BH-LOT horizontal well steering technology, CBM drilling and completion technology, BH-FDD plugging technology, BH-SFM micro-seismic fracturing monitoring system, BH-HAS anti-high temperature anti-salt fracturing fluid, BH-EPL residue saturation testing technology
Website：http://www.bhzt.cnpc