PDC bit nke jiri mmanụ/gas miri emi, igwu nkume siri ike, igwu olulu mmiri geothermal, na ọrụ akụrụngwa buru ibu.

1. Nguzogide Yiri Ihe Pụrụ Iche Maka Ọkpụkpọ Siri Ike E ji matrix tungsten carbide dị elu rụọ ya, bit ahụ na-eguzogide oke mkpụcha na nkume siri ike (dịka ọmụmaatụ, granite, quartzite) na gburugburu ebe nrụgide dị elu/okpomọkụ dị elu (HPHT). Ọ na-ebelata iyi bit site na 30%+ ma e jiri ya tụnyere bits matrix ọkọlọtọ, na-eme ka ndụ ọsọ dị ogologo karịa n'ọnọdụ igwu mmiri siri ike.

2. Ọkwa Mkpọpu Kachasị Mma na Ọnụego Mbanye Nhazi ịkpụcha mma nke nwere nhazi ihe eji egbutu PDC emelitere na akụkụ rake azụ na-eme ka njikọ dị na ụdị nkume siri ike dịkwuo elu. Na-enye ROP (Ọnụego Mbanye) dị elu karịa 25-40% karịa obere roller cone bits ọdịnala, na-ebelata usoro ịgba mmiri na ibelata ọnụ ahịa ịgba mmiri kwa ụkwụ.

3. Mmetụta siri ike na Nguzogide Torque Nhazi ahụ matrix siri ike na-eme ka iguzosi ike n'ezi ihe nke usoro ahụ ka mma, na-eme ka bit ahụ nwee ike iguzogide nnukwu mkpọtụ na mgbanwe torque na nkume siri ike gbawara agbawa. Na-ebelata mmebi bit na ọdịda tupu oge eruo, na-ebelata ugboro ndagide na oge anaghị arụ ọrụ (NPT).

4. Ọdịmma Oghere Kpọmkwem na Nkwụsi Ike nke Ọwa Mmiri Nhazi hydraulic dị elu na-eme ka mwepụ nke ịkpụ dị irè, na-egbochi ịgba bọọlụ na ịrapara n'ime ihe siri ike. Na-edobe dayameta na nha oghere na-agbanwe agbanwe, na-ebelata nsogbu ịgba ọsọ nke casing ma na-eme ka arụmọrụ nke imecha olulu dịkwuo mma.