Product Details
NQ PQ Wireline Triple Tube Core Barrel
core barrel is a type of drilling tool used in geology and mining
to collect rock or soil samples from the subsurface. There are
several types of core barrels, including:
Single-tube core barrel: This type of core barrel consists of a
single tube that is pushed into the ground to collect the core
sample.
Double-tube core barrel: This type of core barrel has an outer tube
and an inner tube. The outer tube collects the sample, while the
inner tube keeps the sample intact during retrieval.
Triple-tube core barrel: This type of core barrel has an outer
tube, an inner tube, and a third tube that surrounds the inner
tube. The third tube collects the sample, while the inner tube
keeps the sample intact during retrieval.
No. | Std. | Item | Bit Std. | Reamer Std. | Bit OD(mm) | Bit ID(mm) |
1 | NQ3 | 3M triple tube core barrel | NQ3 | NQ | 75.3 | 45 |
2 | HQ3 | 3M triple tube core barrel | HQ3 | HQ | 95.6 | 61.1 |
3 | PQ3 | 3M triple tube core barrel | PQ3 | PQ | 122 | 83 |
4 | SQ3 | 1.5M triple tube core barrel | SQ3 | SQ | 147.6 | 102 |
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Company Profile
Chongqing Gold Mechanical Electrical Equipment Co. Ltd. has been
actively involved in the design, development, and manufacturing of
geophysical exploration equipment for over four decades. Our
expertise encompasses various techniques used to capture images and
map subsurface features and structures such as minerals, oil and
gas reservoirs, groundwater, and geological formations.

At present, our company manufactures a diverse range of equipment
that encompasses resistivity meters, seismic receivers, magnetic
instruments, borehole loggers, and various other geophysical
sensors. Additionally, we offer geotechnical instruments such as
pile testers and drilling machines.

In collaboration with geologists, geophysicists, and other domain
experts, we design and develop instruments that cater to the unique
requirements of our clients. To maintain our leading edge in the
market and keep up with technological progress and scientific
advancements, we continuously invest in research and development to
ensure that our equipment is accurate, reliable, and efficient.
