Wireline Coring System

Geological Geothermal Water Well

SCOTON wireline coring system includes core barrel assembly and overshot assembly. The core barrel assembly is composed of inner tube group and outer tube group. Inner & outer tubes have standard length of 1.5 meters and 3 meters.

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Bit and reaming shell are not standard parts of outer tube group. They need to be ordered separately, which otherwise are replaced by thread protectors to assemble the core barrel. Front end reaming shells are standard parts in their corresponding systems. Wireline coring systems are available in BQ series, NQ series, HQ series, PQ core barrel and TW series.

Series	Model	Drill Bit (Mm)		Reamer	Outer Tube		Inner Tube		Unit Weight
Core Barrel		Inner Diameter	Outer Diameter	Outer Diameter	Outer Diameter	Inner Diameter	Outer Diameter	Inner Diameter	KG/Set
BQ		36.5	59.5	60	57.2	46	42.9	38.1	45
NQ		47.6	75.3	75.8	73	60.3	55.6	50	65
HQ		63.5	95.6	96	92.1	77.8	73	66.7	103
PQ		85	122	122.6	118	103	95.3	88.9	142

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