petrographic parameter

According to the rock mechanics parameters as the grade value of drillability, hardness of formation and compressive strength, etc.

根据可钻性级值和地层硬度、抗压强度等岩石力学参数及钻井工程情况,利用钻头优选方法,选择适应研究工区的钻头型号,对不同层位使用的钻头型号进行可行性分析和评价。

The rock mechanics parameters,such as Yangs modulus and Poisson's ratio,are determined on the basis of surface fracturing treatment pressure and instantaneous shut-in pressure during PAD stage.

应用常规的地面压裂施工压力资料和前置液阶段的瞬时停泵压力测试等资料,初步探讨了求取储层原位岩石力学参数的新方法。

The rock mechanics parameters of a formation which are assessed from electric logging data were integrated into a numeric value to indicate the drillability of the formation.

在此基础上,综合考虑了对PDC钻头应用效果影响较大的抗压强度和岩石内摩擦角这2个岩石力学参数,并结合研究区块PDC钻头使用记录,优选出适合待钻地层的PDC钻头型号。

In this paper,the effect of mechanical parameters of rock mass on roadway deformation and failure is analyzed by using orthogonal numerical simulation experiment which has six factors(Young's modulus,Poisson's ratio,cohesion,internal angle of friction,tensile strength,dilation angle) with each factor having five levels.

采用正交数值模拟试验方法研究了岩体力学参数对巷道围岩变形与破坏的影响。

The importance of study on mechanical parameters of rock mass,and the modified expressions on Hoek-Brown strength criterion by Hoek are introduced.

阐述了岩体力学参数研究的工程意义,介绍了Hoek等人对Hoek-Brown强度准则的改进公式,基于完整性系数Kv,提出了Hoek-Brown强度准则的改进公式。

The importance of study on mechanical parameters of rock mass,and some methods to determine mechanical parameters of rock mass are introduced.

阐述了岩体力学参数研究的工程意义,介绍了国内外常用的几种岩体力学参数的确定方法,指出了Hoek-Brown强度准则和有关改进公式中存在的不足,建立了可以考虑岩体受扰动程度的修正系数Km,Ks,给出了Hoek-Brown强度准则的改进公式。

Study on rock mechanics parameters and drill bit selections for Liuhua oilfield in South China Sea.;

流花油田地层岩石力学参数评价及钻头选型技术

Development and research of rock mechanics parameters database system;

岩石力学参数数据库系统的开发和研究

To provide the theory of fracture job on oil field,the following methods are researched in the paper: achieving rock mechanics parameters based on logging data;the ways of field computation about earth stress;the computation about porosity pressure of formation and fracture pressure of formation.

通过常规测井资料求取岩石力学参数的方法研究、地应力的现场求取方法研究、地层孔隙压力的计算和地层破裂压力的计算方法研究,为现场进行压裂施工提供依据。

This paper presents several engineering treatment methods for mechanics parameters of rock mass based on the test data of rock samples and investigation of engineeri.

为今后工程的岩体力学参数研究提供借鉴作用。

It is workable to identify the mechanics parameters of rock mass by neuron network according to displacement surveying of wall rock.

研究了用人工神经网络辨识岩石工程岩体力学参数的基本原理、网络结构、网络训练样本的获得及网络训练方法·在此基础上 ,提出了用人工神经网络辨识岩石工程岩体力学参数的方法和步骤 ,并给出了一个参数辨识实例·结果表明 ,依据巷道变形观测 ,用神经网络辨识岩石工程岩体力学参数是可行的·该方法为研究岩体物理力学性质参数和岩石工程初始地应力条件提供了一个有效途径 ,尤其适用于软岩情况下岩体力学参数的辨识

The Determination of Rock Mechanics Parameter of Reservoir Core During Sandstone Matrix Acidizing

砂岩基质酸化前后储层岩心岩石力学参数测定

Evaluation of fracture development in volcanic rocks based on rock mechanical parameters

基于岩石力学参数评价火山岩裂缝发育程度

Study on Choice of Rock Mechanics Parameters and Perfection of the Database System;

岩石力学参数取值研究及数据库系统的完善

Rock mechanical parametric experiments and the research of formation fracture pressure prediction

岩石力学参数试验与地层破裂压力预测研究

Study on Rock Drillability of the Tamtsag Basin

塔木察格盆地岩石力学参数和可钻性实验研究

Method of Prediction and Application on Stochastical Simulating 3D Parameter Field of Rock Mechanics

三维岩石力学参数场随机模拟预测方法及应用

Sensitivity Analysis of Rock Mechanical Parameter Based on Complex-Variable-Differentiation Method

基于复变量微分法的岩石力学参数灵敏度分析

Study on the Engineering Mechanical Properties and Anchorage Parameter Optimization of Soft Rock Roadway in Jinchuan

金川软岩岩石工程力学性质及巷道锚固参数优化

Study on Relationship Between Rock Material Damage and Stress Wave Parameters

岩石材料损伤与应力波参数关系研究

The Key Mechanical Parameters Determination of Rock Mass for the Slope Engineering in Red Stratum s Region;

红层软岩边坡关键岩体力学参数确定

Studies on the Effects of Rock Bolting and Rock Parameters on the Stress Distribution Around Tunnel;

岩石锚杆和岩石参数对隧道周围应力分布的影响研究

A Study on Rock Mechanical Parameters of East Anchorage of Egongyan Bridge across Yangtze River in Chongqing

重庆长江鹅公岩大桥东锚碇岩体力学参数研究

Analysis of mechanical parameters of slip surface for basalt landslide in Yunnan

云南玄武岩滑坡滑动面力学参数分析

INVERSION METHOD OF DETERMINING THE MECHANICAL PARAMETERS OF ROCK SALT BED

确定岩盐层力学参数的反演方法研究

Experimental Study of Rheological-mechanical Properties of Silty Mudstone

粉砂质泥岩流变力学参数的试验研究

Fast Evaluation of Mechanical Parameters of jointed Rock Mass Based on RMR

基于RMR的节理岩体力学参数快速评价

Study on Sensitivity of Stable Parameters for Rock Slope and Mechanical Parameters of Excavation Unloading Rock Mass;

岩质边坡稳定参数敏感性分析及其开挖卸荷岩体力学参数研究

DEVELOPMENT AND APPLICATION OF ROCK MECHANICS AND CRUSTAL STRESS DATABASE SYSTEM

岩石力学与地应力数据库系统的开发和应用