What is the working principle of diamond core bits? The drill bit that makes the cutting edge is called a diamond core bit. The drill bit is an integrated drill bit. The entire drill bit has no moving parts. The structure is relatively simple, with high strength, high wear resistance and impact resi
What kinds of drill pipe can be divided into? The drill pipe is a steel pipe with thread on the tail, which is used to connect the surface equipment of the drilling rig and the drilling and grinding equipment or bottom hole device located at the bottom end of the drilling well. The purpose of t
How to classify core barrels? A section of pipe connected to the upper part of the drill bit to accommodate and protect the core during core barrel. This article will introduce the classification of core barrel. This article contains the following:n What is core barrel?n Single layer core barreln do
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NMLC HMLC 4C 6C 8C
ROSCHEN
ROS-CB-NMLC, HMLC, 3C, 4C, 6C, 8C
Product Description
NMLC HMLC 4C 6C 8C Coring Barrel For construction, Well Exploration Core Drilling
Core Barrel (Double Tube & Triple Tube)
ROSCHEN Core Barrel is a precision instrument designed to maximise core recovery in site investigation and exploratory drilling programmes. With this core barrel is its possilble to obtain as near to 100% volumetric ocre recovery in as undisturbed condition as it is possilbe to achieve with rotary core drilling equipment. It is not uncommon for drillers to report 98% + core recovery in the most difficult formations.
4C Core Barrel 1.5 M for construction , reinforced concrete dam sites, bridge, building , well exploration core drilling
4C Core Barrel 1.5 M for construction , reinforced concrete dam sites, bridges, building , well exploration core drilling
3C Core Barrel
4C Core Barrel
6C Core Barrel
8C Core Barrel
10C Core Barrel
3C, 4C, 6C, 8C, 10C Core Barrel
Specifications:
Core Barrel (Double Tube & Triple Tube)
1. High Performance
2. High toughness materials
3. Long lasting
Size available:
Q series Core Barresls: AQ, BQ, NQ, HQ, PQ, NQ3, HQ3
T series Core Barrels: T2-56, T2-66, T2-76,T2-86, T2-101, T6-131
Triple Tube Core Barrels: AMLC, BMLC, NMLC, HMLC, 3-5/8' x 2-1/2'C, 4-3/8' x 3 C, 5' x 4 C, 7’x 5 C, 10'x 8 C
CONVENTIONAL CORE BARREL SPECIFICATIONS | ||||||
TYPE | SET BIT (O.D.) | HOLE SIZE (O.D.) | CORE SIZE (O.D.) | |||
Imperial | Metric | Imperial | Metric | Imperial | Metric | |
BMLC | 2.330" | 59.18MM | 2.360" | 59.94MM | 1.386" | 35.20MM |
NMLC | 2.945" | 74.80MM | 2.980" | 75.69MM | 2.045" | 51.94MM |
HMLC | 3.875" | 98.42MM | 3.906" | 99.21MM | 2.500" | 63.50MM |
3C | 4.343" | 110.31MM | 4.375" | 111.12MM | 3.000" | 76.20MM |
4C | 5.468" | 138.89MM | 5.500" | 139.70MM | 4.000" | 101.60MM |
6C | 7.730" | 196.04MM | 7.750" | 196.85MM | 5.750" | 146.04MM |
8C | 10.200" | 259.10MM | 10.250" | 260.35MM | 7.980" | 202.70MM |
SIZE | Set O.D. of Bit |
AMLC | 47.37mm |
BMLC | 59.18mm |
NMLC | 74.80mm |
HMLC | 98.42mm |
3-5/8' x 2-1/2'C | 91.31mm |
4-3/8' x 3 C | 110.61mm |
5-1/2' x 4 C | 138.89mm |
7-3/4’x 5-3/4C | 196.04mm |
10-1/4'x 8 C | 259.10mm |