Complaint
Shock sub/shock absorber for drilling operation for oil and gas industry .
SJ46B SJ62C SJ64C SJ70C SJ80C SJ90C SJ94C
It is used to simultaneously slow down or eliminate the vertically or horizontally shock from drill string. It can reduce the damage due to shocking to drill bit ,drilling tool and surface drilling tool so that the purpose of raising drilling speed tool so that the purpose of raising drilling speed and of reducing drilling cost shall be reached .
