You see, companies used to drill for oil by going straight down.
你瞧，过去石油公司常常采用垂直钻探。
You see, oil deposits can stretch for miles - but when a drill went straight down, the well was only tapping oil from the immediate vicinity.
你瞧，石油储备区可能延绵数英里，但是当钻头直接垂直钻入时，油井只会利用到邻接区域的石油。
You see, companies used to drill for oil by going straight down.
你瞧，过去石油公司常常采用垂直钻探石油。
You see, oil deposits can stretch for miles - but when a drill went straight down, the well was only tapping oil from the immediate vicinity.
你瞧，石油储备区可能延绵数英里，但是当钻头垂直钻入时，油井只能开采到附近区域的一点石油。
Our company is the profession factory to produce straight shank twist drill and wood working drill, and is national united export product base of"trade, industry, agriculture" .
我公司是从事直柄麻花钻和木工钻生产经营的专业厂商，是国家“贸工农”联合出口商品生产基地企业。
The product can be applied for end mills, drill bits, drill reamers, taps, and can clamp any straight cutters and tools.
本产品可使用于铣刀，钻头，铰刀，丝攻及可夹任何直式的刀具及工具。
The on-site tests of 5 wells showed that the stiffness of lower drill pipe assembly was increased to control deviation in the straight hole.
经现场5口井试验表明，不弯曲钻铤能够起到增大下部钻具组合刚度，控制直井段井斜的作用；
This company produces straight-handle twist drill, hard metal multi-aid straight-handle twist drill, metal hole digger , tungsten alloy saw blade, and building drill.
本公司主要生产直柄麻花钻头，硬质合金多用直柄麻花钻，金属开孔器，钨合金锯片以及建工钻的专业生产厂家。
Evaluation of formation drill-ability anisotropy has important effect for preventing deviation of straight holes and planning drilling trajectories of directional Wells.
地层可钻性各向异性评价在直井防斜以及定向井井眼轨迹控制中具有重要的意义。
According to the mechanics analysis method of BHA and the real work state of drill string in inclined straight well, a mechanical model of BHA is presented.
根据现有钻具力学分析方法和斜直井钻具的实际工作状态，建立了斜直井下部钻具力学分析模型。
On the basis of energy method, the possibility of drill stem buckling in inclined straight hole is studied.
本文应用虚位移原理，在充分考虑钻柱所处的特殊环境的基础上，考察了斜直井眼中钻柱屈曲的可能性。
On the basis of energy method, the possibility of drill stem buckling in inclined straight hole is studied.
本文应用虚位移原理，在充分考虑钻柱所处的特殊环境的基础上，考察了斜直井眼中钻柱屈曲的可能性。
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