1. available for application in standard DCDMA hole sizes ( B, N, H, P).
2. ideal for use in most drilling conditions
Tangshan Jinshi offers a full range of surface application core barrels. Available in standard double tube core barrels for easy conversion to triple tube configuration in broken ground.
The core barrel assembly is composed of the inner-tube group and outer-tube group.The inner-tube group is composed of:
Head Assembly Inner Tube Core Lifter Case Core Lifter Stop Ring The inner-tube group collects the core sample during the drilling process and is independent of the outer-tube group. The outer-tube group is composed of the remainder of the core barrel components:
Locking Coupling Adapter Coupling Outer Tube The outer-tube group always remains at the bottom of the hole and houses the inner-tube group during the drilling process.
1 head assembly 2 inner tube 3 stop ring 4 core lifter 5 core lifter case 6 locking coulping 7 adaptor coupling 8 landing ring 9 outer tube 10 stabilizer 11 thread protection
Q3 wireline systems consist of the same groups as the Q , but utilize a third tube called an inner-tube liner or split tube that is placed inside the inner tube.
Size:Tangshan Jinshi core barrels are available in alll standard drilling size(BQ,NQ.HQ,PQ)as well as some regional specifications.
The follow is a structure of C3 series core barrel,in which item 1,5,6,7,and 8 compose inner tube group,item 9 to item 14 compose outer tube group,item 2,3 and 4 compose split tube system.
Jinshi will response in 8 hours to the problems caused by our products. When necessity arises inside the country, technical support will arrive in 24 hours within a 1000 kilometers radius of the company, will arrive in 48 hours for other parts of China. Due to the limitation of branch offices in foreign countries, technical support will arrive your work site in 15 days after visa is issued.