drill collar drill pipe stabilizer kelly drill stem subs
Price:
Chinese Yuan / PC
Min. Order:
1 PC
Product Description
Intergral blade stabilizer:
Our integral blade stabilizers are manufactured from single bar of AISI 4145H modified steel.Professional forging process guarantee that mechanical properties meet API Spec 7-1.Hardness range of 285-341HB and a charpy V notch impact value of 54 joules are guaranteed one inch below the surface.Shenlong employs inserted button as hard facing.
On enquiries and orders,please specify:
Near bit or string;
Hole size;
Fishing neck OD and length:
Bore;
Overall length;
Blade length