don't drill faster than 15 minutes for 1stand.钻进速度别超过15分钟1根立柱
drop totco.投(陶特)测斜仪
fish totco with overshot.用打捞筒捞起测斜仪
resume drilling to t.d.继续钻进到总深
circulate 15 minutes.循环15分钟
run in hole.下钻
put out of hole.起钻
make an inventory of all ring gaskets.开一个所有垫圈的清单
use spinning tong.使用气动扳手