In the days following, samples of solid gypsum were repeatedly brought on deck as drilling operations penetrated the seafloor.
在接下来的几天里,随着钻探作业深入海底,固体石膏样品被不断地被带上甲板。
They were drilling through solid rock.
他们正在把实心岩钻通。
Elsewhere in Antarctica, Russian researchers boast of their recent discovery of a freshwater reserve the size of Lake Ontario after drilling through miles of solid ice.
在南极洲的其他地方,俄罗斯研究人员炫耀他们最近在钻穿数英里厚的冰层后,发现了一个面积如安大略湖的淡水区。
Drilling cuttings dispersion is controlled and the penetration rate is improved because of the better performance of the solid control equipment.
能抑制钻屑分散,有利于发挥固控设备效率和提高钻井速度;
During offshore drilling operation, a lot of wastes are produced, such as polluted water, gas, solid waste and harmful noise, which damage to the environment around the drilling operation area.
在海上钻井的生产过程中会产生大量的固体废弃物、废水、废气及噪声污染,将对作业海域造成一定的危害。
In air and mist drilling, annular carries are the typical of gas, liquid and solid multiphase flow, and its mechanism and principles are very complicated.
在空气雾化钻井中,井眼环空携岩流动是一种典型的气、液、固多相流动,其机理和规律十分复杂。
The latter has a cylindrical groove at its center, thus generating a solid core, which guides the tool as it proceeds during the drilling operation.
后者在其中心有一圆柱形沟槽,这样能生成整体芯在钻孔作业过程中引导钻头。
If the initial workpiece is solid, a drilling operation must be performed first.
如果初始工件是实心的,则必须首先进行钻孔作业。
These techniques successfully cope with the wellbore instability under complex formations, protect hydrocarbon zones, increase ROP, lay solid foundations for rapid and economic drilling operations.
该技术的实施,成功地解决了复杂地层的井壁失稳问题,有效地保护了油气层,提高了钻井速度,为该地区安全、快速及经济钻井奠定了坚实的基础。
The formation damage during drilling are recognized as 2 types: mud solid particles plug and mud filtrate invasion.
钻井过程中的油层污染可分为泥浆固相颗粒侵入和滤液侵入2种类型。
Drilling in the middle of the solid lid is forbidden and invalid.
在实心盖子当中钻孔是禁止的和无效的。
This new model of drilling machine can bore through solid rock ten metres deep.
这台新型钻机能钻透十米厚的坚固岩石。
The drilling fluids viscosity can be increased by adding PAC141, FA-367 or HV-CMC. Also, the viscosity can be increased by adding bentonite in low solid system.
具有极强的抑制防塌能力和良好的性能可控性,可配制无固相和低固相体系,可采用PAC141、FA-367或HV-CMC来提高粘度。
Incipient motion of solid grain in solid-liquid two \ | phase flow is often concerned in many petroleum technologies, such as horizontal drilling, gravel-packing and sand washing.
水平井钻井、砾石充填及冲砂等作业都涉及到固液两相流动的固体颗粒起动问题。
Making use of the basic principles of solid-liquid separation, Selecting and designing of models and chassis to match the device space, to achieve continuous drilling wastewater, grading.
应用固液分离基本原理,选择和设计型号与车底盘空间相匹配的设备,能够实现对钻井废水的连续、分级处理。
Those having three or four flutes are used for following smaller drills or for enlarging holes already drilled, and are not suited for drilling into solid stock.
那些有三个或四个长笛被用于下列较小的训练或扩大孔钻,不是已经适合钻井变成固体。
For low permeability micro - fractured reservoirs drilling and completion operations, the solid phase invasive, stress-sensitive, water trapping is the main damage mechanism.
对于低渗微裂缝储层钻井完井作业而言,固相侵入、应力敏感、水相圈闭是主要损害机理。
The NC solid carbide compound-drilling tool used in dry cutting automobile parts is developed.
开发了用于汽车零件干式切削的数控整体硬质合金复合孔加工刀具。
The NC solid carbide compound-drilling tool used in dry cutting automobile parts is developed.
开发了用于汽车零件干式切削的数控整体硬质合金复合孔加工刀具。
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