Managed Pressure Drilling; precise control; bottom-hole pressure; Block D of Myanmar field;
控压钻井；精确控制；井底压力；缅甸D区块；
Annular hydraulic simulation is a key part of any Managed Pressure Drilling (MPD) operation.
环空水力模拟是控压钻井技术的一个重要组成部分。
The advantages of underbalanced pressure drilling and its technical requirements are also discussed.
探讨了负压钻井的优点及技术要求。
For understanding the geologic feature of the reservoir, underbalanced pressure drilling technology is tested in Zhongyuan Oilfield.
为了正确认识油气藏的地质条件，中原油田对负压钻井技术进行了现场试验。
In order to obtain this aim, the most appropriate technique is delicate managed pressure drilling based on the study from home and abroad.
国内外的钻井实践表明，要达到这个目的，首选精细控压钻井技术。
In the process of balance pressure drilling in fractured carbonate formation, fluid loss is possible when the hole penetrates the fracture.
碳酸盐裂缝性地层，在平衡钻进过程中，一旦钻遇裂缝，就可能发生井漏。
The preliminary practices show that underbalanced pressure drilling is completely fit to high pressure and low permeability as well as low pressure and leakage formations.
初步实践表明，负压钻井技术完全适用于高压低渗地层和低压易漏地层，其效果明显。
Using under balance pressure drilling technique aims at preventing the mud loss and pollution of Palaeozoic limestone reservoir in this area and therefore protecting oil reservoir.
该井四开钻探过程中成功地采用欠平衡钻井技术钻穿寒武系凤阳山组，以防止该区古生界灰岩储层发生井漏及储层污染，从而保护油层。
Schrag argues that drilling an escape route for water that has remained trapped in the porous rock for millions of years will help ease the pressure on the rock.
施拉格认为，为留存在多孔岩石中数百万年的海水钻出疏散的通道有助于减轻岩石承受的压力。
As part of that process they had to replace the dense drilling mud, which was used to keep the well under pressure while it was drilled, with sea-water.
在封井过程中，他们必须把用于在钻探过程里，保持钻井与海水压力相当的高密钻井泥更换掉：因为上方的海水的压力低于底下油气的压力。
BP PLC Chief Executive Tony Hayward has come under mounting pressure over the spill, caused after a drilling rig BP was leasing, the Deepwater Horizon, caught fire and sank last month.
自上个月英国石油公司“深海地平线”钻油台爆炸起火沉没后，公司行政总裁托尼·海沃德因此次泄露所承担的压力越来越大。
BP PLC ChiefExecutive Tony Hayward has come under mounting pressure over the spill, causedafter a drilling rig BP was leasing, the Deepwater Horizon, caught fire andsank last month.
自上个月英国石油公司“深海地平线”钻油台爆炸起火沉没后，公司行政总裁托尼·海沃德因此次泄露所承担的压力越来越大。
Oil companies are drilling into rock layers where every square centimeter (0.16 square inch) is subject to pressure equivalent to the weight of a medium-sized car.
石油公司所开采的岩层上，每平方厘米所承受的压力相当于一辆中等大小的汽车。
Engineers had spent days pumping heavy drilling fluid into the leaking well head on the ocean floor in a high-pressure bid to smother the gushing crude and ultimately seal the well with cement.
工程师们数日来一直向海底的泄漏油井泵入大量的钻探泥浆，希望用高压堵住喷涌的原油，最后用水泥封死油井。
A piece of fine wood, one eye also have no, but why can nail a nail in it? It is hard to squeeze into by pressure, hard drilling.
一块好好的木板，上面一个眼也没有，但钉子为什么能钉进去呢？这就是靠压力硬挤进去的，硬钻进去的。
The critical pressure and conditions of drilling hole burst are determined through the physics experiment of drilling hole burst.
通过钻孔冲击物理试验，研究了钻孔冲击的临界压力，以及钻孔冲击的条件；
When underbalanced drilling or drilling easy leaky zone by using aeration fluid, the determination of fluid density and downhole fluid column pressure is very important.
利用气体型流体进行欠平衡钻井，或钻易漏地层时，流体密度及井下液柱压力的确定十分重要。
Formation pressure detection while drilling is one of major means to realize optimizing drilling.
随钻地层压力检测是实现优化钻井的主要手段之一。
To solve effectively the problem of sand removing in low-pressure absorption Wells, a drilling sand pump was developed.
为了有效解决低压漏失井的井下清砂问题，研究开发了一种具有钻进功能的捞砂泵。
One of the important parts of formation pressure detection is to determine formation fracture pressure, which is important for drilling, well completion and fracturing.
地层破裂压力(梯度)是确定地层压力检测的一个重要组成部分，对钻井、完井和压裂等施工都相当重要。
The method suitable for formation pressure calculation in offshore drilling was established on the basis of analyzing these factors.
通过对上述因素的分析，建立了适用于海上钻探地层压力计算的方法。
Well control is the control of formation pressure encountered while drilling Wells.
井控是对油气井压力控制的简称。
The drilling pressure slurry used in construction of big gauge slant piles is introduced. It provides methods and experience for slant pile of concrete without sand.
介绍钻孔压浆成桩法在第四纪粘土地层大口径斜桩施工中的应用情况，为无砂混凝土斜桩成桩施工提供了一定的方法和经验。
In the original conditions, reservoir rocks and fluids inside the pore space in the pressure equilibrium, once the oil drilling, this balance was destroyed.
在原始条件下，油层岩石与孔隙空间内的流体处于压力平衡状态，一旦钻开油层，这种平衡就被破坏。
Some methods of leakage blocking with pressure are direct drilling, plugging with fixture, copper wire leakage blocking and belt of Steel leakage blocking.
针对不同部位泄漏特点提出了直接钻孔法、夹具堵漏法、铜丝围堵法、钢带围堵法等带压堵漏方法。
One of important jobs in the designing of oilfield drilling is to predict the formation pressure.
开展压力预测是油气田钻探设计中的一项重要工作。
In routine overbalanced drilling, the bottom hole pressure towers above the formation pressure so that the mud fluid will leak into the formation.
常规过平衡钻井方式打开油气层时，井底压力高于地层压力，钻井流体会向地层渗滤甚至漏失。
In routine overbalanced drilling, the bottom hole pressure towers above the formation pressure so that the mud fluid will leak into the formation.
常规过平衡钻井方式打开油气层时，井底压力高于地层压力，钻井流体会向地层渗滤甚至漏失。
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