建立了天然裂缝性碳酸盐岩封闭油藏渗流模型。
A percolation model for closed carbonate reservoir with natural fractures was built.
人工裂缝的分布受现今地应力和天然裂缝控制。
The artificial fractures are controlled by the modern stress field and natural fractures in fractured low-permeability reservoir.
天然裂缝对低孔低渗透油气藏储层渗透率的贡献很大。
Natural fissure in the low-porosity-and-permeability-zone pays the very important role to the permeability of reservoir.
天然裂缝发育与否，对特低孔特低渗油气藏而言意义重大。
It's important to the super-low porosity and permeability reservoir whether the natural fissures exist or not.
分析表明逼近角越大，天然裂缝对压裂液的极限容量越小。
The example analysis shows the utmost containment of natural fracture decreases while approaching Angle increases.
对某油田断块含天然裂缝的低渗透储层渗流特征进行了实验研究。
The seepage flow characteristics of a typical fractured low permeability reservoir were studied by experiments.
因此，酸泄漏过的是高度非均匀的，通常的结果虫洞和天然裂缝扩大。
Therefore, acid leak-off is highly non-uniform and typically results wormholes and enlargement of natural fractures.
储层天然裂缝形成机制多种多样，不同机制产生的裂缝分布不尽相同。
There are a variety of formation mechanisms for the natural fractures in reservoirs. The fracture distributions produced by different mechanisms are not the same.
摘要：油田注水开发过程中，天然裂缝水窜具有强烈的普遍性和方向性。
Abstract: in the process of water injection development, the water breakthrough of natural fracture has strong universality and directivity.
开采这种气体必须在煤层的天然裂缝与井筒之间建立起有效的连通孔道。
For Coal Bed Methane (CBM) production, the pore passage must be established between natural fracture and well bore.
天然裂缝系统是一个分形体系，可用分形理论建立裂缝分布的实际模型。
Natural fracture system is a fractal system, and an actual model can be built up by means of fractal theory.
在美国，大多数的水平井应用于低渗透油藏、天然裂缝油藏、碳酸盐油藏。
In the U. s., the majority of applications are in low permeability, naturally fractured, carbonate reservoirs.
人工裂缝及地应力监测证明：该区块储层中有不同程度发育的天然裂缝存在。
Created fractures and ground stress monitoring prove that there are natural fractures with different development degree in reservoirs of this block.
富林洼陷前期的压裂试油工艺，由于天然裂缝较发育，压裂液滤失大，压裂效果不理想。
Because there are many natural fractures in Fulin Sag and the fracture liquids seriously lose, the fracturing effect is not ideal by using the fracturing and oil testing technology.
分析结果表明：天然裂缝长度和倾角对套损有较大影响，但增加套管壁厚不能缓解套损。
The results show that the natural fracture length and dip angle have great influence on the casing failure, and the increase of casing wall thickness could not reduce casing failure.
研究粗糙集理论和BP神经网络算法，以及如何结合两者构建天然裂缝智能识别的应用。
Investigate the rough sets theory and BP neural network algorithm, and how to combine the two that for constructing a natural fractures intelligence identification application.
定北区块上古生界储层具有低孔、致密、高温、天然裂缝发育、基本无自然产能等复杂特征。
The reservoir in upper Paleozoic of North-Dingbian block has the characteristics of low porosity, tight, high temperature, natural fracture and low natural production.
发现A区沙三段中亚段储集层发育大量天然裂缝，具有构造垂向上分带性及平面上分片性等特征。
It is found that a lot of natural fractures developed in the reservoir of middle es 3 in a area with the features of vertical zoning and plane parting on structure.
特低渗透油田天然裂缝和人工裂缝，它既是增加导流能力的有利因素，又是引起水窜的不利因素。
Natural fissure and manual fissure is not only a good factor to raise mobile capacity, but also a bad factor to lead to inundation.
此外，天然裂缝和现今构造应力场控制了人工压裂缝的展布，并影响油田的注水压力和注水效果。
Natural fractures and current tectonic stress field control the distribution of the artificial fractures and affect injecting pressure and effect of injecting water.
天然裂缝发育是工区碳酸盐岩储层漏失的客观原因，钻具震动、应力释放、诱导裂缝是产生井漏的外部原因。
Various natural fractures are the objective reason of leakage in carbonate reservoir, while the tools vibration, stress release and induced fractures are the external reasons of leakage.
鄂尔多斯盆地安塞特低渗透油田由于存在天然裂缝或人工压裂裂缝，造成了储集层平面渗透率的方向非均质性。
Ansai oil field in Ordos basin is a ultra low permeability reservoir with natural and induced fractures, which caused serious lateral heterogeneity of permeability in the reservoir.
一般自然灰岩坑形成机理是由于有份量的水饱和土导致地下石灰岩洞顶层坍塌，或者由于水加宽了石灰岩床的天然裂缝而导致。
Natural sinkholes generally form when heavy, water-saturated soil causes the roof of an underground limestone cavity to collapse, or when water widens a natural fracture in limestone bedrock.
计算表明：考虑天然裂缝渗透率变化的滤失量要远远大于常规双重介质模型得到的滤失量，当净压力较高时，二者可相差10倍之多。
The calculation shows that, fracturing fluid leak-off considered variable permeability are greater than conventional fractured loss model, when net pressure is higher, the two has 10 times difference.
酸液在酸压裂缝内流动时，有少数较大的岩石孔隙或天然裂缝首先受到过量酸液的溶蚀而迅速增长形成蚓孔，使滤失主要在蚓孔内发生。
When acid fluids flow in artificial fractures, some larger pores or natural fractures are dissolved by acid to enlarge into wormholes so that acid mainly leaks through wormholes.
冰盖表面，成行的融雪坑形成许多天然的冰裂缝，并导致各条缝隙连贯起来，横贯整个冰架。
On the surface of the shelf, rows of melt ponds settled into natural crevasses, driving the cracks all the way through the ice shelf.
冰盖表面，成行的融雪坑形成许多天然的冰裂缝，并导致各条缝隙连贯起来，横贯整个冰架。
On the surface of the shelf, rows of melt ponds settled into natural crevasses, driving the cracks all the way through the ice shelf.
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