Ntev npaum li cas lub voj voog hloov ntawm hnav qhov chaw ntawm kab rov tav directional drilling rigs?

1. Laum cov yeeb nkab txuas: Feem ntau lawv yuav tsum tau kuaj xyuas thiab hloov tom qab 200-500 teev ntawm kev siv, nyob ntawm seb qhov hnav li cas.

2. Cov pob qij txha thoob ntiaj teb: Feem ntau kuaj xyuas tom qab 300-600 teev, thiab hloov yog tias pom tseeb hnav lossis puas.

3. Cov roj foob thiab cov nplhaib sib khi: Nyob ntawm kev siv thiab cov khoom siv, lawv tuaj yeem hloov tau tom qab 500-800 teev.

4. Drill ntsis: Qhov no nyob ntawm qhov tsim thiab lub sijhawm drilling. Thaum nws hnav hnyav heev, nws yuav tsum tau hloov pauv, uas yuav txawv ntawm kaum rau ntau pua teev.