Ụlọ ọrụ API 17.5 inch PDC na tricone ngwakọ ọkpọkọ maka mmiri mmiri miri emi
Nkọwa ngwaahịa
Ngwakọ akuakuzinwo bit na-agwakọta elu engineering, ahaziri ngwa ụkpụrụ na ụlọ ọrụ kasị elu ngwakọ bit chepụta napụta mma mkpọpu ala na-agba site carbonates na interbedded formations karịa mgbe ọ bụla kwere omume tupu.
A na-emepụta cones na agụba nke bit's roller ọ bụghị naanị iji rụọ ọrụ nke onwe ha, kama iji kwado ma kwalite ibe ha, na-enyere aka kọwaa akara ngosi ọhụrụ na arụmọrụ drill bit. Ihe owuwu igbutu na-adị nkọ ma na-ekesa nke ọma, na agụba na ihe nchacha na-adịkwa mma iji wepụta ngalaba oghere dị ogologo oge. N'ihi na ike nke rola cones na agụba na-nhazi nke ọma, Hybird bit na-adịte aka nke ukwuu, na-eji ROP dị elu na-egwu ala, na-ebelata ụgwọ ọrụ.
| Nha(inch) | Agụba Mba&Cone Mba. | Ọnụọgụ PDC | Jikọọ eri |
| 8 1/2 | 2 cones 2 agụba | PDC ebubata | 4 1/2" API Reg |
| 9 1/2 | 3 cones 3 agụba | PDC ebubata | 6 5/8" API Reg |
| 12 1/2 | 3 cones 3 agụba | PDC ebubata | 6 5/8" API Reg |
| 17 1/2 | 3 cones 3 agụba | PDC ebubata | 7 5/8" API Reg |
Nkọwapụta ngwaahịa
Atụmatụ
Enwere ike ROP dị elu karịa ihe ngwungwu rola cone
E jiri ya tụnyere rola cone ibe n'ibe, ngwakọ ọkpọkọ nwere ike ịbawanye ROP, na-achọ obere ibu na bit na ibelata ibiaghachi ntakịrị.
Ike mkpọpu ihe kacha mma tụnyere PDC
Atụmatụ nhọrọ
Tụnyere PDCs, ngwakọ ibe n'ibe na-adịte aka nke ukwuu mgbe a na-egwupụta ihe site na nhazi n'etiti. Ha na-ebelata mkpisi aka ma na-eme ka njikwa torque nke mkpọpu dị mfe ma na-eme ka ọ na-agbanwe agbanwe, na-eme ka mgbanwe dị nro site na nhazi dị iche iche. Nkwụsi ike emelitere na njikwa ntụzịaka na-eme ka njikwa kwụ ọtọ ka mma yana ọnụego nrụpụta dị elu na ngalaba mgbanaka.
