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A new approach for controlling the dilatancy damage and deformation at the nearside of borehole was presented and used to calculate the density of drilling fluid for deep big-thickness salt formation.

因而提出一种控制近井筒盐岩不产生扩容损伤变形的新方法,并利用该方法设计了深部巨厚盐层钻井液密度。

The Lower Permian of uplifts in east merging of littoral Caspian Sea basin is a set of giant thickness of salt beds and multiple salt dome s with significant thickness developed locally, in which the thickness is from 200m to 3500m.

滨里海盆地东缘隆起带下二叠统是一套巨厚的膏盐层,局部发育多个巨厚盐丘,厚度从200~3500m不等。

Petrobras's discovery centered on the Tupi field, part of an enormous oil-rich zone called the presalt, which lies up to 10,000 feet below the sea's surface under a layer of salt thousands of feet deep.

巴西国家石油公司的发现集中在图皮油田,大部分处于叫做盐下地带的巨大富油带中。这个富油带地处1万米深的海底,在一个数千英尺深的盐层的下面。

The surface of Kela 2 gas field is hills, stormed cracks and rivers; it's difficult to collect and process seismic data. Above the reservoir of interest is high and cliffy formation which has variable lithofacies and thickness, and has developed salt bed, gypsum, mud and hi pressure aquifer.

克拉2气田地表为山丘、冲沟及河流,地震资料录取和处理难度大;目的层以上为高陡地层,岩相、厚度变化大,盐层、石膏、软泥、高压水层发育;需要准确预测复杂地质层位深度以防漏、卡、溢、喷。

The characteristics of the salt formation in Tarim Basin is deep, high temperature and high pressure, easy to result in the undergauge, collapse, drill bit or pipe sticking.

针对塔里木盆地石炭系盐层埋藏深,温度高,地层压力大,极易发生&缩径、坍塌&,造成卡钻,同时由于盐岩层的塑性蠕动,形成不规则井眼,甚至造成套管挤毁变形事故,井身质量难以控制,固井质量难以保证等问题,通过对同类型已钻井进行总结分析,提出了一系列钻井技术措施,并在T726井严格实施。

Well drilling in a salt formation is a problem in drilling,while accurately establishing the mud density and undersaturation is the key for solving the problem.

盐层钻井是钻井技术中的难题,准确确定钻井液密度及含盐欠饱和度是解决难题的关键。

After cleaning the fish, put a few of them on the bottom of the box or basket. Cover them with salt. Put more fish on top. Cover them with salt too.

洗净鱼体之后,将一部分鱼放入木箱或木篮底部,用盐覆盖,再将鱼放在盐层上面,再用盐将其覆盖。

Not only the permeability of the rock salt body, the convergence of the cavity and the stability of jambs must be considered , but also the heterogeneity of the interlayers must be full considered, like the permeability of interlayers and layers , the difference of interlayers .

不仅要考虑岩盐矿体的渗透性、溶腔的蠕变收敛性、矿柱的稳定性外,还要充分考虑夹层的不均质性,如夹层及层理的渗透性,夹层和盐层蠕变的差异性。层状岩盐矿床中建造油气储库是一个相当复杂而且涉及很多学科的深部岩土工程。

Salt mine at Mata, the western part of Weixi salt ore bed, locates in Jinyan county.

马踏盐矿该矿位于威西盐体西部,在井研县境内。该探区的矿层埋藏深度1500米左右,盐层厚度15米左右。

New formula of drilling mud density of the control wellbore closed rate in salt bed .;2. Application of ternary copolymer salt-resisting fluid loss reducer in salt bed of Carboniferous system in Tahe oilfield.;3. The components of amphoteric polymer salt tolerance mud have been introduced, and the field operation technology drilling through thick salt bed by using amphoteric polymer mud system has been summarized.

论述了盐对泥浆胶体性质的影响机理,介绍了两性离子聚合物抗盐泥浆的组成,总结了两性离子聚合物泥浆体系钻穿大段盐层的施工工艺及现场应用中常见的问题,指出抗盐泥浆的基础是保证处理剂对粘土颗粒足够的护胶能力,而手段是提高抗盐处理剂在泥浆中的含量。

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