Geological Exploration Core Drilling 6 5/8" Drill Bit For 168 Mm Drill Pipe Water Well Drilling

Geological Exploration 6 5/8" Drill Bit Adapter

Drill Bit Adapter Features

Integral Steel Rod is used by a hand held drill machine in Underground mining and for small hole drilling, equipped with small power rock drills, like air leg rock drills, hand held rock drills, etc. It can reduces the expense of impact energy, improves the drilling speed and efficiency, also it can be used for drilling bore hole diameter from 30mm to 41mm usually.

Drill Bit Adapter specifications:

1. NS-1
2. NOSRSOK
3. TH HILL
4. IRP 1.8 Sour Service
5. Customer Specific Specifications

DESIGN
 

Roschen drill pipes are designed with long and smooth transition from upset to tube body to reduce the stress concentrations due to the transition from the upset ID to the drill pipe ID.




All drill pipe and tool joints are manufactured in our modern and technologically advanced manufacturing facility at Roschen. Each tool joint is forged, machined, processed, inspected and tested by qualified operators to ensure the quality meets or exceed API specifications and customer’s requirements.

FEATURES + OPTIONS:

 

In addition to the standard manufacturing processes where customer required, Roschen is able to perform hardbanding, internal coating, thread cold roll and make & break to the highest quality standard.

TOOL JOINT MAKE & BREAK
 

Factory make & break performed in controlled procedure ensure product consistency. This help to save valuable rig time and cost while reducing risk of mishandling incident and rig downtime.

SURFACE PROTECTION
 

Phosphate coating are applied to all threads and seal shoulders of connections to improve anti galling and corrosion.
 

Roschen can supply internal plastic coating according to customer requirements. The coating forms a protective layer in the pipe ID to prevent corrosion and thus extend the life span of the pipe in the drilling environment.
 

ENHANCED FATIGUE RESISTANCE
 

Cold rolling of thread roots has demonstrated the beneficial effects to improve fatigue resistance of the connections by minimizing crack initiation.

HIGH PERFORMANCE ROTARY SHOULDER CONNECTION
 

Roschen offers its RS-DS and RS-MT series double shoulder connections which outperform conventional API connections to meet the needs of deep, extended and challenging wells with greater torsional capacities.

ROSCHEN DRILL PIPE GRADES TABLE

Charpy impact test at full size specimen
% SYMS as per NACE TM-01 77 test method A

 

ROSCHEN high-strength steel grades RS-140 and RS-150 are specially designed material grades to be used for applications that require higher strength in extreme drilling environments.
 

The high-strength steel grades are engineered with special chemistries and highly controlled manufacturing processes. These material can be manufactured to API standard sizes as well as customized configurations to meet different customer requirements.




FEATURES: 
• Engineered and tested for exceptional performance
• Strictly controlled manufacturing processes
• Substantial increase in tensile and torsional strengths
• Improved fatigue resistance
• Customisable configurations


Technical Parameters:

Pictures