Fracking involves pumping water, chemicals and sand underground at high pressure in order to release gas.
液压破碎法是利用高压将水、化学物质和沙打到地下以获取天然气的方法。
Other natural resources to be found in Belarus include peat deposits, small quantities of oil and natural gas, granite, dolomitic limestone, marl, chalk, sand, gravel, and clay.
白俄罗斯其他已被探明的自然资源包括泥炭、石油、天然气、页岩、石灰石、泥灰土、白垩、沙、砂砾、黏土。
The existence of vast area of tight sand rock, low permeability of sand rock and plenteous gas supply are all favorable conditions for the formation of deep basin gas traps.
大面积致密砂岩的存在、砂岩的低渗透性以及充足的天然气供应都是形成深盆气藏的有利条件。
The Yellow River Delta is a region abundant in land resources, oil, natural gas, water and sand and ocean resources.
黄河三角洲拥有十分丰富的土地资源、石油天然气资源、水沙资源与海洋资源。
Erosion may also occur in gas streams, again assuming the presence of sand particles.
冲蚀同样可能发生在气流中，同样要求有一定的沙粒。
Recent years, we have found and developed many unconsolidated sand gas reservoirs. The proved reserves and the produced reserves are very considerable.
近年来，发现并投入开发了很多砂岩气藏，其探明储量和已动用储量都是很可观的。
Descaling technology sorted compressed gas descaling, high pressure water descaling, sand blast descaling by different descaling medium.
根据除鳞介质的不同可将除鳞工艺分为高压水除鳞、压缩气体除鳞、喷沙除鳞。
The hydrocarbon accumulation has selectivity on genetic type of sand body, while oil and gas enrichment is controlled by favorable sedimentary facies belt and reservoir facies belt.
油气的分布严格受控于沉积体系，油气的聚集对砂体的成因类型具有选择性，而油气的富集则受控于有利的沉积相带和储集相带。
The travelling valve of the pump is designed to be closed and opened forcibly, and the pump plunger adopts equal-diameter bare pipe with a floating structure to prevent gas lock and sand sticking.
这种抽油泵柱塞游动阀采用机械强制开启和关闭的结构，柱塞为等径光管、浮动结构，可防止发生气锁游动阀、阀球关闭滞后、砂卡柱塞现象。
The tight sand gas is one of unconventional gas, it is also an important candidate resources of conventional gas.
致密砂岩气是非常规天然气的一种，是常规天然气资源最重要的后备资源之一。
According to the characteristic of Hubuzhai complex fault block gas pool, the fine structure, reservoir rock and sand distribution of it are studied.
根据户部寨复杂断块气藏特点，开展了精细气藏构造、储集层、砂体的分布规律等研究。
The following examples of oil and gas fields in distributary and delta- fringe sand bodies range in age from late paleozoic to middle cenozoic.
下面所列举的是分布于分流和三角洲前绿砂体的油气田的例子，在地质时代上从晚古生代至中新生代。
A forced-closing-and-opening plunger pump is developed to solve the problems of gas lock and sand inflow and low pump efficiency in steam injection Wells.
针对辽河油田蒸汽吞吐油井存在气锁、出砂、后期油稠泵效降低的状况，研制了强启闭柱塞抽油泵。
Uses: widely used in industry and construction, filter sand, filter liquid and gas.
用途：广泛用于工业及建筑业，筛选砂粒，过滤液体及气体。
Ordos basin; Fanxue area; Sedimentary microfacies; Sand bodys spread; Reservoir characteristics; Regularity of oil and gas enrichment.
鄂尔多斯盆地；樊学地区；沉积微相；砂体展布；储层特征；油气富集规律。
Reasonable allocation at the reasonable producing pressure drop may avoid sand production of the gas storage.
参考合理生产压差进行合理配产，可以避免储气库出砂。
Sand production of fine loose sandstone is one of increasingly serious questions during gas reservoirs product, but methods about controlling sand are not found.
粉细疏松砂岩的出砂是气藏开采过程中日益严重的问题之一，而在其防治方面一直没有好的办法。
Hence, it is proposed to allow an appropriate amount of sand production during recovery of unconsolidated sandstone gas reservoirs.
疏松砂岩气藏在开采过程中容易出砂，采取完全防砂的方式进行开采，既增加了气井的成本，又降低了气藏的开发速度。
The onsite application shows that the pump is suitable for all kinds of oil Wells, especially for those with sticky oil, sand associated, high oil-gas ratio well.
现场使用表明，该泵适用于所有的油井中，特别是对稠油、出砂、高油气比的油井有很好效果。
Based on the low pressure of the coal bed gas well, the sand removal technology by mechanical sand fishing is put forward.
根据煤层气井的低压特点，提出了通过机械捞砂来清砂的技术。
Based on the result of stress sensitivity experiments of low-permeability sand gas reservoir, we found the low permeability of Sulige 's gas reservoirs taking on stronger stress sensitivity.
对低渗透砂岩气藏应力敏感性进行了细致的实验研究，发现低渗透气藏具有较强的应力敏感性。
The sand producing mechanism of Sebei gas field is analyzed thoroughly with the reservoir features, the litho logy features, the percolation velocity, and the reservoir soaked by working fluid, etc.
文章从储层特征、岩性特征、气体渗流速度、作业液浸泡等多个角度对气田地层出砂的机理进行了较为全面的分析。
The study shows that SC_1 sandstone and SC_2 flagstone are favorable reservoir sand bodies and could be as key targets for exploration of stratigraphic and lithologic oil-gas pools.
研究认为，SC_1旋回滨岸砂岩及SC_2下降半旋回的潮间带薄层砂岩为有利储集砂体，是地层-岩性型油气藏的重点勘探目标。
The study shows that SC_1 sandstone and SC_2 flagstone are favorable reservoir sand bodies and could be as key targets for exploration of stratigraphic and lithologic oil-gas pools.
研究认为，SC_1旋回滨岸砂岩及SC_2下降半旋回的潮间带薄层砂岩为有利储集砂体，是地层-岩性型油气藏的重点勘探目标。
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