Standard Ezy Lock Overshot Hq Overshot Hq Core Barrel

• Customization: Available
• Type: High Manganese Steel
• Usage: Coal Mining, Well Drilling, Core Drilling
• Model NO.: Overshot
• Specification: Aq Bq Nq Hq Pq
• Trademark: Richdrill
• Origin: China
• HS Code: 84314320
• Production Capacity: 500000 PCS/Year

Product Description

Product Description

Wireline drilling tools can lift cores from drill rods without picking up the bit. All the tools include core barrel, overshot assembly, drill rods, winch, hoisting plug and circle wrench etc. The advantages are high penetration, high core recovery ratio, longer bit life and lower labor intensity; and all advantages are more and more obvious with the increasing of the drilling hole depth.

wire-line core barrels was consisted of outer tube assembly, inner tube assembly and overshot assembly.

Main size : BQ,NQ,HQ,PQ 

Advantages:
1.Faster coring at greater depths
2.Good stability due to constant diameter of the drill string
3.excellent hydraulics
4.Good core recovery
 

 

Product Parameters

Q Series Wireline Double Tube Core Barrels
Size	Hole(mm)	Core(mm)	Head Thread
BQ	59.3	36.2	BQ rod box
NQ	75.2	47.6	NQ rod box
HQ	95.6	63.5	HQ rod box
PQ	122	85	PQ rod box
Q Series Wireline Triple Tube Core Barrels
Size	Hole(mm)	Core(mm)	Head Thread
NQ3	75.2	45	NQ rod box
HQ3	95.6	61	HQ rod box
PQ3	122	83	PQ rod box

Packaging & Shipping