查询词典 fracturing

In the course of fracturing construction,stand or fall of fracturing fluid has become the key factor of construction measure.

在压裂施工工程中，压裂液的好坏有又成为该施工措施的关键因素。

Compared with other fracturing fluids,this fracturing fluid has better high temperature shear thinn...

该交联体系与常规交联体系相比，具有更好的耐温抗剪切性能、破胶水化彻底，且对岩心渗透率的伤害程度较低。

Keywords fishable bridge plug;horizontal well;staged fracturing;staged isolation;fracturing string

可捞式桥塞；水平井；分段压裂；分段隔离；压裂管柱

The result has demonstrated that the established model mentioned in this article can be used to analyse the rule of reservoir crustal stress, rock morphotropy, fluid pressure, porosity and permeability alternation with time and interspace and its effect to production. The improvement of fracturing stimulation mechanism has settled a more complete theory base for optimizing fracturing program.

结果说明，本文所建模型可以用于分析油藏地应力、岩石应变、流体压力、孔隙度、渗透率随时间和空间的变化规律及对生产的影响，进一步完善了压裂增产机理，为压裂方案优化奠定了更完善的理论基础。

Hydraulic fracturing breccia can be joggled joint and the veins have clear fluid evidence. It is found that the fractures were developed in the crust around the uncompacted belt. Hydraulic fracturing experiments were conducted by using composite samples consisting of micrite and sandstone.

通过对大港滩海区沙一段下部岩心观察和薄片分析，识别出水力破裂角砾、砂岩脉、水力破裂裂缝及活化同沉积裂缝4种水力破裂作用产物，水力破裂角砾之间具有可拼合性，脉体具有明显流体作用痕迹；本区水力破裂发生于欠压实带周围的&壳&中。

Reasonable acid system is the key factor of eliminating the fracturing fluid damage to fracture surface and proppant, and also the key factor of making the hydraulic fracturing compounding acidifying technology successful.

酸液体系是否合理是能否消除压裂液对裂缝壁面及支撑剂层损害的关键因素，因此也是水力压裂复合酸化技术能否取得成功的关键。

Hydraulic fracturing field test is analogized through the analogue method of indoor drill hydro-fracturing.

断层带充填物以泥质为主时，浸水以后呈现泥化状态，具有良好的隔水性和再生隔水性。

Therefore the study on fracturing fluid is the most important aspect of hydraulic fracturing.

因此，压裂液的研究是水力压裂领域的最主要方面。

It is important for fracturing design and operation to determine hydraulic fracturing initiation pressure and mode.

确定水力裂缝在井壁处起裂的压力和方式，对水力压裂设计和施工有重要的作用。

In this paper, incising blasting engineering in granite row stone exploitation as the research object, in order to analyze the fracturing mechanism principles of V-shaped notch blasting and the influence of blasting parameter changing to V-shaped notch blasting effect, the elastic-plastic isotropy and multi-notched hole of plane strain model is set up. Dynamical finite element analysis software ANSYS/LS-DYNA is applied to calculate dynamic stress distribution and its change rule of rock around notched holes and between two holes, and dynamic fracturing mechanism is analyzed with fracture mechanics theory.

文章以花岗岩荒料开采中的切割爆破工程实践为研究对象，为分析V形刻槽爆破成缝机理及爆破参数改变对刻槽爆破效果影响等内容，建立了各向同性脆性材料的多刻槽孔准平面应变模型，以显式动力分析有限元程序ANSYS/LS-DYNA为模拟运算工具，详细计算了在动载作用下槽孔周围及双孔连心线上岩体的动态应力分布与变化规律，并运用断裂力学理论分析刻槽爆破动态成缝机理。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。