Nduzi: na-enyere aka n'ịkwagharị casing site na olulu mmiri.
Ogologo oge: Emere ya site na ihe siri ike iji nagide ọnọdụ siri ike.
Drillable: Enwere ike iwepụ ngwa ngwa biputere cimenting site na mkpọpu ala.
Ebe na-asọ asọ: na-enye ohere ịgafe slurry ciment nke ọma.
Valve nrụgide azụ: Na-egbochi mmiri ịbata n'ime casing.
Njikọ: Enwere ike itinye ngwa ngwa na eriri casing.
Imi gbara okirikiri: Na-agagharị n'ebe ndị siri ike nke ọma.