开采

Combined with the carbonate reservoir characteristics as large gas rate,viscous crude and produced naturally,this paper regressively analyzes and matches the dynamic liquid level,submergence depth, pump efficiency ,water content,oil density and viscosity of 137 sucker rod pump wells.

针对塔河油田机抽井的沉没度大大高于中国石化平均水平的现状，结合塔河油田碳酸盐岩油藏气大、油稠、依靠天然能量开采的特点，对正常生产的130口有杆泵井的动液面、沉没度、泵效、含水、原油密度、原油黏度等数据进行了回归分析和拟合，给出了不同含水期、不同日产液量的机抽井合理沉没度范围。

Company's purpose is to: make full use of patented technology, the development of Series Rodless drilling model for China's machinery industry, infrastructure, mineral and energy resources, mining and other industries contribute to the development.

公司的宗旨是：充分运用专利技术，开发系列无杆钻井机型，为我国的机械工业、基本建设、矿藏和能源资源开采等行业的发展做出贡献。

Sandrock of Shanxi group and 3 limestone of Taiyuan group are the main aquifers to 3 coal seam.

煤层开采的直接充水含水层为山西组砂岩和太原组三灰。

Sun Yat-sen in Nanjing, Yuhuatai scenic landscape, when quadrimaculata Voss clover bud initiation to a time, in the vicinity of cemeteries ago exploitation of about 10 days until the Qingming, only one and a bud shoots election, mining under the length of 2 - 3 per cent to the quadrimaculata Voss, fixation, rolled, plastic dry, hand painted oil Sapium speculation, can only be speculation every pot of tea 250 grams.

南京雨花茶是绿茶炒青中的珍品，也是中国三针之一，是优质细嫩针状春茶，产于南京中山陵，雨花台园林风景区，当茶芽萌生至一芽三叶时，于清明前约十天开采直至清明，只选一芽一叶芽叶，采下长度为2--3厘来的茶芽，杀青，揉捻，整形干燥，涂乌柏油手炒，每锅只可炒250克茶。

Study on large scale stereo scopic simulation for shallow seam mining.

柴敬。浅埋煤层开采的大比例立体模拟研究。

This is a technique whereby land is scraped from above in order to fined coal.

这是削去表面土层来获取煤的一种开采技术。

Thus, even as the Chinese win mining rights, repair railways and lay pipelines on the continent, Africa's governments are shuttering their embassies in Taiwan in deference to Beijing's one-China policy.

换句话说，中国赢得了在非洲开采矿产，修建铁路和铺设管道的权利，非洲政府则以&与台湾断交&的方式来支持北京&一个中国&政策。

The immigrating environment of three toxic elements, thallium, cadmium and lead, were investigated experimentally and simulatively.

在25～55℃低温条件下研究了苹果酸对广东云浮含铊黄铁矿的准动态淋滤，模拟考察了Tl、Cd和Pb三种有毒元素随矿山开采和环境介质因素作用而进入环境的情况。

Petrobras, perhaps the most competent deepwater operator in the world, insists it has the technical and project management skills to develop the presalt singlehandedly.

毕拓可能是全世界在深海开采石油上最有能力的行家。它坚持认为它拥有单独开发盐下石油的技术和项目管理技能。

Discussed mine of zinc of lead of stannic iron hill nearly 10 years to come, in geological data, production exploration and geology look for the geology in mine and mine mine process to manage the job, think to strengthen mine ground to pledge administrative job is one of important steps that raise mine economic benefits.

论述了锡铁山铅锌矿近10年来，在地质资料、生产勘探和地质找矿与矿山开采过程中的地质治理工作，认为加强矿山地质治理工作是提高矿山经济效益的重要手段之一。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。