Ngwa DTH Drilling na Ụlọ ọrụ Sistemụ Casing

DrillMore's DTH hammers na bits bụ nke a na-eji ụdị shank nke DHD, QL, SE, COP Mission, usoro SD, dayameta sitere na 2 "ruo 10" maka Ngwuputa na mgbawa, yana 6" ruo 32" maka igwu mmiri nke ọma, mmanụ. -egwu ala ọma jijiji na ntọala na ihe ndị ọzọ. Kwesịrị ekwesị ka akuakuzinwo oghere si 64mm ka 1000 mm (2-1 / 2 "~ 39-3 / 8") na dayameta na-abịa na atọ ụdị: ala mgbali (5 ~ 7bars), n'etiti nrụgide (7 ~ 15 mmanya) na elu nrụgide (7-30 Ogwe).