A drop in the bucket
2020/02/10

Drill Slime Is Useless | The Meaning of Gathering

Hello, everyone. This is Enta. You haven’t collected core samples from every single borehole, have you? They’re collected to verify whether the soil conditions at the site match the planned soil profile. But it’s even questionable whether those samples represent the same soil type. Well, it depends on the supervisor…

Suspended Drilling Rig
2017/09/23

The Proper Use of Drilling Slime | Responding to a Contract from the Ministry of Land, Infrastructure, Transport and Tourism

Hello, everyone. This is Enta. This is a story from the other day when I went to a job site. A technical staff member contracted by the Ministry of Land, Infrastructure, Transport and Tourism asked me to collect some drilling slurry. They said they needed a photo of it. But then they added, “It’s not even part of the inspection checklist, and we don’t really need it, but just in case…”

Hirado Metal Bits
2017/09/08

吊り式削孔機用のビットの種類(その2)|粘土層対応

皆さんこんにちは。 エンタです。 先日のブログからの質問で粘土層でユルイ場合はどうすればいいのかと言う質問を受けました。 実際は、ゆっくりクリコ(スライム)を見ながら削孔してくしか無いのですが、 最近は、いいビットもあるんです 笑 コレって…