C-Q series Core Barrel

The C-Q series core barrel can be divided into BQ, NQ, HQ, and PQ types. And this series core barrel has advantages of good drilling property, high salvage efficiency and low consumption.

It consists of outer tube assembly and inner tube assembly. Export-standard plywood box is utilized to pack this C-Q series core barrel.

Wuxi Huaxin Petroleum Machine Co., Ltd. is a leading manufacturer of C-Q series core barrel in China. Besides C-Q series core barrel, we still supply clients worldwide with China overshot assembly, hoisting plug, foot clamp, circle wrench, and so on. Both ISO9001: 2000 and API 5DP certificates are available for our products, and our products have been quite popular among clients from Mongolia, Kazakhstan, Russia, Iran, Afghanistan, Oman, Turkey, Thailand, Vietnam, Myanmar, Malaysia, Indonesia, Singapore, Taiwan, Colombia, Mexico, Brazil, Canada, Australia, etc. Besides, OEM service is also available. If you need, please contact us freely.


Technical Parameters:

Series Model Drill bit (mm) Reamer Outer tube Inner tube Unit weight
Inner diameter Outer diameter Outer diameter Outer diameter Inner diameter Outer diameter Inner diameter Kg/set
  C-Q series core barrel BQ 59.5 36.5 60 57.2 46 42.9 38.1 45
NQ 74.6 47.6 75.8 73 60.3 55.6 50 65
HQ 95.6 63.5 96 92.1 77.8 73 66.7 105
PQ 122 85 122.6 118 103 95.3 88.9 150