Kedu ngwa a ga-eji gwuo ala na mbara ala ihu igwe siri ike
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Kedu ngwa a ga-eji gwuo ala na mbara ala ihu igwe siri ike

2022-11-25

Kedu ngwa a ga-eji gwuo ala na mbara ala ihu igwe siri ike

1. A na-eji ihe mgbagwoju anya ma ọ bụ eriri kelly na-ejikọta ya, nke nwere ike izute dayameta ikpo na ikpo ogologo.

2. Kelly Bar: họrọ ụdị ọkpọkọ ọkpọkọ dị ka ike nke nkume siri ike ihu igwe siri dị ( dayameta ikpo 1 mita, dịka ọmụmaatụ), ikike ibu kacha dị ala karịa 500 kPa nwere mmanya kelly esemokwu; dị elu karịa 500kPa nwere mmanya kelly na-ejikọta ọnụ.

3. Ngwá ọrụ ịkwọ ụgbọ mmiri: Ọtụtụ n'ime okwute ihu igwe siri ike ka enwere ike iji bọket nke mgbọ nwere okpukpu abụọ kwọọ; A nwekwara ike iji ngwaọrụ spiral cone okpukpu abụọ mee ihe maka ịkụ ala akọrọ. Mgbe ike kachasị elu na-ebili na 600 kPa-900 kPa, ọ dị mkpa iji ihe nkedo cartridge maka ịkpụ mgbanaka, ma ọ gaghị ekwe omume iwere cores, ya mere ọ dị mkpa iji okpukpu abụọ na-egwepịa ọzọ.

4. Ịkụba ezé: 30/50.22 mm mgbọ ezé na 4S mgbọ ezé nduzi ezé ka a na-eji abanye n'ime ihu igwe siri ike, nke na-enyere aka ịzọpịa, ibelata nguzogide mkpọpu, na ibelata mfusị nke ọma.

What equipment should be used for drilling in strongly weathered geology


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