Zomorod Group

Light Alloyed Drill Rods for Core Drilling are intended for the drilling of wells in high currents using drill crowns with diameter 59 mm.

Light Alloyed Drill Rods for Core Drilling are made of aluminium alloy and fused among themselves with the steel nipples which have cylindrical thread with stabilizing shoulders which enlarge the limit of endurance of the rod’s thread.

Nipples of LADRCD-54 produced at our Plant are undergone to chemical thermal treatment (carbonitration) that significantly increases the durability of rods LADRCD-54 of other producers and completely it excludes the defect of threads because of jamming and wear.

Certificate of conformity № РОСС RU.АЯ36.В21768 from 15.05.2006

Drawing 4 – Light Alloyed Drill Rods for Core Drilling with diameter 54 mm (LADRCD-54)

Table 8 – Technical characteristics of drill rods LADRCD-54

Note:

• The complex set: rods - 245 pieces; adapters - 3 pieces; kelly joint - 2 pieces; tube support - 2 pieces; right-hand tap - 2 pieces; left-hand tap -1 piece. According to the customers wish the kit of the complete set can be changed.
• According to the coordination with the customer drill rods can be manufactured of any length from 1.5m up to 4.7 m.

Table 9 – Mechanical properties of the drill rod and the tool joint

Note:
1. Mechanical properties of the details’ material of tool joints are shown after the valuable thermal treatment
(increasing).
2. Exposed hardness of tool joint’s details after the quenching with High Frequency Currents - min 55 HRC