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- Numerical simulation of hydraulic fracturing process in heterogeneous rocks under different confining pressures 不同围压作用下非均匀岩石水压致裂过程的数值模拟
- hydraulic fracturing process 水力压裂过程
- While conducting hydraulic fracturing,the flow rate is required to be controlled to enable the ball-off to block off and uncord the eyelet based on the stimulation process. 封堵球分层压裂时,为了使暂堵球按照施工泵注程序对射孔孔眼进行封堵和解封,需要对压裂施工的泵注排量提出要求。在以往的投球分压中,排量的确定带有一定的盲目性。
- While conducting hydraulic fracturing, the flow rate is required to be controlled to enable the hall-off to block off and uncord the eyelet based on the stimulation process. 摘要封堵球分层压裂时,为了使暂堵球按照施工泵注程序对射孔孔眼进行封堵和解封,需要对压裂施工的泵注排量提出要求。
- But hydraulic fracturing can also produce debate and anger over the risk of groundwater pollution. 但是,水力压裂也可导致对地下水污染风险的争议以及愤怒。
- Fracturing pressure in formations was the basic data for designing mud weight,well profile and hydraulic fracturing. 地层破裂压力是钻井液密度确定、井身结构和压裂设计施工的基础数据。
- The fracturing process induced by different excavation sequence under final highwall with auger mining was numerically simulated. 对到界边坡下采用螺旋钻机开采煤柱不同开采顺序引起的破坏过程进行了数值模拟。
- The fracturing process of the granitic sample was monitored in near-source using MEMS sensor and the suited technology. 摘要使用MEMS传感器及其配套技术,近源监测花岗岩样品的受压破裂过程。
- By using the well logging data, formation breakdown test or hydraulic fracturing test, the minimal horizontal main stress can be measured accurately. 借助已钻井的测井资料、采用钻井地破试验或水力压裂试验法可较精确地测定最小水平主地应力;
- In order to find the reason,the geostress measurements by AE method and by hydraulic fracturing technique were carried out in t. 初始地应力状态是岩石地下工程设计中的重要参数,而水压致裂法是深部岩体应力测量的理想方法。
- Advances in horizontal drilling and the hydraulic fracturing of rock have made it possible to get previously inaccessible gas out. 但水平钻井的发展以及水力压裂岩石可以获得以前不可能开采的该类天然气。
- The theory reveals the relationship between the fracturing process of rock debris and the distribution of products more thoroughly. 证实了分形理论可以更深刻、更全面地揭示岩屑试样破碎过程与产物分布的联系。
- Hydraulic fracturing of core of earth-rockfill dam is an important issue related to the safety of the dam,and it attracts much attention. 从发生条件、力学机理、试验研究和数值模拟等方面对土石坝心墙的水力劈裂问题进行了初步探讨。
- Compound fracturing is a newly simulation of production well and rejection well,It connects hydraulic fracturing and high energy gas fracturing(HEGF). 复合压裂技术是将讥能气体压裂和水力压裂相结合的一种新型增产增注技术。
- An experiment of rock fracturing process is conducted under uniaxial compression in order to investigate the behaviors of rock fracturing under chemical erosion. 进行了在化学腐蚀下的花岗岩单轴压缩破裂试验,利用数字显微观测系统对其实时观测。
- Principles of microseismic monitoring in imaging of hydraulic fracturing, monitoring of waterflooding front, and dynamic monitor of reservoir and earth stress were discussed. 重点介绍了在油田中用微地震监测技术进行水力压裂裂缝成像、水驱前缘监测、储层描述和地应力监测的应用原理。
- Abstract In this paper,the mechanics analysis for the traditional 3-D hydraulic fracturing in-situ stress measurment method is done,and a new theoretical model proposed. 摘 要 本文对现有的水压致裂三维地应力测量方法进行了深入的力学分析,在此基础上提出了新的理论模型。
- This article takes the transfusion mechanism as the foundation relatively systematical analysis different kinds of influencing factors after hydraulic fracturing and acidization. 本文以渗流机理为基础系统的分析了压裂酸化过程中排液的各种影响因素,并认为地层能量的不足和增产液对储层的伤害是影响排液的主因素。
- The complex fracturing technique is a new kind of stimulation technique hich can combine high energy gas fracturing with conventional hydraulic fracturing. 复合压裂技术是将高能气体压裂与常规水力压裂相结合的一项新型增产、增注技术。
- The efficiency of hydraulic fracturing treatment in reservoirs with low permeability can be improved by oriented fracturing assisted with hydraulic perforating. 水力射孔辅助定向压裂可有效提高低渗透油田压裂效率,明显改善压裂效果。