DAQING DRILLING COMPANY UT CERTIFICATES
1-Production Cementing Head CH-P1
2-Production Cementing Head CH-P2
3-Intermediate Cementing Head CH-I1
4-Intermediate Cementing Head CH-I 2
5-Surface Cementing Head CH-S1
6-Surface Cementing Head CH-S2
02-Y JIONT
03-T – JOINT
04-DOUBLE PIN
05-DOUBLE BOX
06-SWIVEL
07- Straight Pipe
08- SP Loop Pipes
09- Displacement Line
10- Loop Line