It is decided to use bentonite & HV-CMC mud system for the first spud in in CCSD-1 Hole, and add GD-Ⅲ to prevent circulation loss.
“科钻一井”一开井段采用了钠膨润土 -高粘CMC泥浆体系 ,视漏失情况添加GD -Ⅲ随钻堵漏剂 ,满足了施工携带岩屑和堵漏防漏要求。
To the bad points of using working system of two open-one close or two open-two close in well testing operation of Daqing oilfield,the paper suggests a outline of work of one open-one close,which is based on formation situation,to reach the guides of shortening testing period,calculating production,recording pressure and interpreting parameters.
针对大庆油田现场油气井测试常采用二开一关或二开二关工作制度存在的弊端 ,提出应根据地层情况推广使用一开一关工作制度 ,从而达到有效缩短测试周期 ,兼顾求产、测压和解释参数的目的。
According to the characteristic of biological statistics,the examination method of the open-book by using one paper was attempted.
根据《生物统计》课的特点,尝试了“一纸开卷”考试方法,目的在于提高学生应用所学知识解决实际问题的能力,避免死记硬背,取得了初步效果。
at [from] the (very) outset
在开始时 [从一开始]
There is a switch on the wall for turning on the lights.
墙上有一开电灯的开关。
Anyone can rip off the Scotch tape and then the package is open.
谁都能把胶带扯开。胶带一开，包裹也就开了。
He can not be serious !
他一定是开开玩笑吧！
open a newspaper.
摊开或铺开一张报纸
Slow down! It's starting to snow.
开慢一点!开始下雪了。
To set loose or release from a couple.
把一对…放开或松开
It was on the beginning of a beginning
一个开篇就这样开头了。
To divide from end to end or along the grain by or as if by a sharp blow.
劈开、切开从一端到另一端分开，或沿着劈线分开，或以锋利一击劈开
The flowers made a blaze of red.
花（开得）一片艳红。
It must have been a drunk driver.
一定是酒后开车。?
1. Enhancing the sense of creativeness.
一、增强开拓意识。
The lock opened with a click.
锁"喀嚓"一声开了。
Just drive away and le***e me as I le***e you.
只须开车离开我,就像我离开你一样。
Our open policy has two aspects: domestic and international.
开放是两个内容，一个对内开放，一个对外开放。
To undo or loosen(a knot or something knotted).
解开解开或松开（一个绳结或纠结在一起的某物）
The meal normally includes an appetizer,
这一餐一般包括开胃菜、
took the clock apart piece By piece.
一点一点地把钟表拆开