Drill Pipes

Optional hard banding

Nitrocarburisation of threads for increased wear protection

Production with modern CNC-technology

Tool joints in quenched and tempered quality

High quality pipe material

Heat treatment

HDD drill pipes for drilling units of:
Friction welded

Straight or spiral ribbed stabilisers

Drill collars

Air lift pipes

Drill pipes for well boring

Pipe Qualities: S355J2H (St52), N-80, E-75, X-95, G-105, S-135, 42CrMo4, Structo 720 et.al.

For all threads

Drill pipes 35 to 300 mm OD - frictionwelded design up to 168,3 mm OD

Special application as i.e. H2S

Internal coating TK 34 and TK 34-P

ARNCO hardbanding, and

Length from range 1 to range 3

Measures from 2 3/8 to 5

Tong space length acc. to API standard or at customer requirement

Joint material SAE 4145 acc. to API Spec 7 latest design / 40th ed., march 2002

Upsetting shapes: EU (external upset), IU (internal upset) and IEU (internal external upset)

Upset pipe acc. to API 5D, quality class of material: E-75, X-95, G-105 and S-135

Certified acc. to API Spec 7

Drill Pipes acc. to API Spec 5D and Spec 7

Drill pipes, for waterwell, oilfield and gas drilling