The commonest spaces are those among the particles—sand grains and tiny pebbles—of loose, unconsolidated sand and gravel.
最常见的空间是那些由松散的、未固结的砂和砾石组成的颗粒（沙粒和小卵石）之间的空间。
At a given saturation nonwetting permeabilities for an unconsolidated porous medium are higher than the drainage permeabilities.
在给定的饱和度下，未固结的多孔介质的非润湿渗透率高于排水渗透率。
Gravel is an unconsolidated mixture of rock fragments or pebbles.
砂砾是砾石岩石碎片或卵石的松散的混合物。
Unconsolidated sandstone reservoirs are all over international various oil region.
疏松砂岩油藏遍布于世界的各个油区。
Sand production is one of the major concerns in unconsolidated sandstone reservoir development.
出砂是疏松砂岩油藏开发面临的主要难题之一。
Sand production in oil and gas wells has become a serious problem for unconsolidated reservoir production.
油气井的出砂已经成为困扰疏松油藏生产的一个严重问题。
The particle migration damage is a kind of general and serious damage of unconsolidated producing formation.
微粒运移伤害是疏松产层一种比较普遍又相当严重的地层伤害。
Aim to study the effective development techniques for thin unconsolidated sandstones reservoir with viscous oil.
目的研究薄层疏松砂岩稠油油藏的有效开发技术。
Both SZ 36-1 and QHD 32-6 are low pressure viscous oil fields with unconsolidated reservoirs and very high porosity.
绥中36 - 1油田和秦皇岛32 - 6油田都属低压稠油油藏，其储层岩石疏松，孔渗性极佳。
The ion exchange between mixed water and unconsolidated deposits inside caves is characteristic of cation exchange adsorption.
而混合水与岩溶空间内的松散沉积物间的各种离子交换作用主要是阳离子交换吸附。
The synthetic unconsolidated samples with weak cementation and high porosity were prepared using physical simulation technique.
利用物理模拟技术制作了一组微弱胶结、非固结高孔隙度人造样本。
To drill soft, unconsolidated, usually shallow formations by eroding the "rock" below the bit by hydraulic impact loading alone.
钻进松软、非固结，通常是浅地层时，通过仅仅依靠液力冲击载荷去冲蚀破碎钻头下的岩石。
The heavy oil reservoir of Liao Oilfield is unconsolidated sandstone reservoir, its oil viscosity is very high, sanding is serious.
辽河油田部分稠油油藏地质结构疏松、原油粘度较高、出砂状况较为严重；
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。
This technology is significant to improve oil production from unconsolidated silty sand stone reservoir and to the field applications.
粉细砂岩油藏防砂工艺技术对于提高疏松砂岩粉细砂油藏产能及现场应用有重要的指导意义。
Based on system analysis, a novel development optimization model is presented for water-driven unconsolidated sandstone gas reservoirs.
在系统分析的基础上，提出了水驱疏松砂岩气藏新的开发优化模式。
The unconsolidated marine soft soil has very weak engineering geological properties which is widely distributed in the coast area of China.
我国沿海地区，广泛分布着性质极为软弱的近代沉积的欠固结软土。
The fine siltstone reservoir is likely to produce sand under larger pressure drops because of its shallow depth, worse compaction and unconsolidated.
粉细砂岩油井由于埋藏浅、地层压实程度低、胶结疏松，在较大生产压差下容易出砂。
Most shallow reservoirs in Bohai sea are unconsolidated formation with heavy oil, and they are developed mainly by using a sand exclusion management.
渤海浅层油藏大多为胶结疏松的稠油油藏，这类油藏的开发目前主要采取防砂管理方式。
Shallow gas formations are of the characteristics of shallow burial depth, low compaction degree, unconsolidated cementation, easy sand producing etc.
浅气层具有埋藏浅、压实程度低、胶结疏松、生产时容易出砂的特点。
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。
The unconsolidated sandstone reservoir has low consolidation strength. It shows strong stress sensitivity when the effective stress of reservoir changes.
疏松砂岩胶结强度弱，储层有效应力改变时具有很强的应力敏感性。
However, the screen out fracturing mechanism in unconsolidated sandstone reservoir is complicated, and to date, less is known about its intrinsic regularity.
然而疏松砂岩脱砂压裂机理复杂，目前对其内在规律认识还不够深入。
The faultiness of existing models was discussed. A new model for elastic wave velocity of unconsolidated sandstone was developed on the basis of these models.
首先讨论了现有各类模型存在的不足，并在这些模型的基础上，提出了新的疏松砂岩弹性波速分析模型。
The caliper problem occurred during the drilling in the Nanpu oilfield, due to shallow depth in the reservoir, unconsolidated formation and lower gel strength.
渤海南堡油田由于储层埋藏浅、岩性疏松、胶结强度低，在钻探过程中出现了井径扩大问题，给钻井和评价工作带来很大的困难。
The volume exchange relation portrays volume equation relations between land deformation and groundwater ultra picks quantity in unconsolidated aquifer-system.
体积互换关系描述的是非固结储水系统的形变量与地下水的超采量之间的体积等量关系。
The instability of the horizontal hole in unconsolidated sand reservoir is the main topic which must be considered during the horizontal well drilling operation.
在疏松砂岩油藏中钻水平井首先要解决的是井眼失稳问题。
The instability of the horizontal hole in unconsolidated sand reservoir is the main topic which must be considered during the horizontal well drilling operation.
在疏松砂岩油藏中钻水平井首先要解决的是井眼失稳问题。
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