岩屑

挑取的岩屑要真实具有代表性，排除假岩屑的干扰。

The rock fragments selected shall be real and representative ; interference by fake rock fragments shall be eliminated .

岩屑通常是由砂砾，沙和粘土组成的。

Detritus usually consists of gravel , sand and clay .

雨水冲走了火山坡面上的岩屑。

Rainfall had dislodged debris from the slopes of the volcano

卡迪砂岩是岩屑砂岩，由燧石，石英、石英岩、硅化泥板岩和其它岩石碎屑颗粒所组成。

The cardium sandstone is lithic , being composed of grains of chert , quartz , quartzite , silicified argillite , and other rock fragments .

他们把岩屑和水的流动速率的不同归因为它们的粘性的不同

They attribute the different flow rates of debris and water to their markedly different viscosities .

碎片拼合的梦TOGETHER本文对硅质岩屑在砂岩分类端元中的位置问题进行了讨论，并提出了个人的观点。

The Position of the siliceous fragments in sandstone classification is discussed in this paper .

X射线荧光分析在岩屑录井中的应用

The application of XRF analysis to logging

线阵CCD在岩屑图像采集中的应用

The Application of Linear CCD in Cuttings ' Image Acquisition

结果表明，储层岩石为长石质岩屑砂岩，成岩作用进入早成岩B亚期；

It indicates that the reservoir is of feldspathic litharenite rock , and its diagenesis is in the B substage of diagenetic pre period .

数字水印技术在PDC岩屑图像网络发布系统中的应用

Application of Digital Watermarking Technique in PDC Cutting Picture Network Release System

该体系的特点是组成简单，硅酸盐的模数适中，具有较高的pH值，抑制岩屑水化膨胀能力强。

The characteristics of this drilling fluid are simple composition , proper modulus of the selected silicate , higher pH value and strong cuttings inhibition .

南方海相PDC钻头下岩屑录井方法

Cutting Logging Methods While Using PDC Drilling Bit in Southern Marine Facies Stratum

分类三角图的三个端元是石英（Q）、长石（F）、岩屑（R）。

Three end members on the classification triangle chart are quart ( Q ), feldspar ( F ) and rock debris ( R ) .

因此，迫切需要研制出一套可用于现场录井工作的PDC岩屑岩性识别系统。

Therefore , it is urgent to develop a set of PDC lithology identification system for logging on site .

科钻一井一开井段采用了钠膨润土-高粘CMC泥浆体系，视漏失情况添加GD-Ⅲ随钻堵漏剂，满足了施工携带岩屑和堵漏防漏要求。

It is decided to use bentonite & HV-CMC mud system for the first spud in in CCSD-1 Hole , and add GD - ⅲ to prevent circulation loss .

该文通过对PDC钻井条件下，不同类型PDC钻头产生的岩屑特征以及给录井带来的难点进行分析与研究，探讨了PDC钻头钻井条件下的岩性识别与评价技术。

The paper studied the cutting characteristics produced by the different kinds of PDC bits and its influence on mud logging and discussed the lithology identification and evaluation technique .

本文在Martins提出的两层模型基础上，考虑了悬浮层岩屑颗粒的扩散，建立了与时间相关的两层不稳定岩屑传输数学模型。

A new two-layer time-dependent model for cuttings transport which is is based on Martins ' model is established .

依据Bond裂纹学说，提出了一种以井底返出的岩屑为对象的岩石可钻性测试方法，并建立了岩石可钻性极值和岩屑分形维数的关系模型。

According to Bond crack theory , this paper sets forth a new rock drillability testing method which takes the detritus from the bottom hole as the research subject . A correlation model of drillability grades and cuttings fractal dimensions is established .

如何解决PDC钻头钻进的细碎岩屑录井问题，已成为地质录井界有关人士关注的焦点。

How to solve the logging problem of the fine cuttings drilled by PDC bits has become the focus that has been paid close attention to by the geological logging persons .

基于PWD的大位移井井眼不清洁识别方法大斜度井中岩屑床厚度模式的研究

Early borehole uncleanness identification based on PWD tool in highly deviated extended-research wells THE MODEL OF CUTTINGS BED THICKNESS IN HIGHLY DEVIATED WELL

岩屑回收和岩心浸泡实验结果表明，PGP3的抑制性能优于KCl水溶液，PGP3与KCl合用时抑制效果更好。

The experimental results of shale cutting recovery and reservoir core immersion show that the inhibitory capacity of PGP-3 is better than that of KCl and is enhanced in combination with KCl .

岩芯描述和常规薄片、铸体薄片、扫描电镜、X衍射分析及压汞资料研究表明，安棚深层系的岩石类型主要为岩屑砂岩、长石岩屑砂岩和岩屑长石砂岩。

Core descriptions , conventional thin section , injecting thin sections , SEM observations , X ray analysis of clay minerals , mercury injection data and pattern analysis of pore structures show that the major rock types are lithic sandstone , feldspathic litharenite and lithic arkose .

针对PDC石油钻头在使用过程中产生泥包的问题，进行了岩屑的受力情况和起动条件的分析，建立了计算模型。

In the paper the force on rock granule and the starting conditions about the mud block problems during running of the PDC petroleum drill is introduced and the corresponding calculating model is built up .

以BASLER为核心的控制子系统来完成高清晰岩屑图像的录入；

How to put the image data into computer with a BASLER for core of subsystem .

通过实例对采用最小动能标准计算方法和岩屑沉降末速度标准计算方法的计算结果进行了比较，认为在关键点采用最小动能标准计算方法的Angel模型更加符合于现场实际。

Through a case study , the calculation results of minimum kinetic energy standard and minimum speed standard are compared and indicate that the Angel model using minimum kinetic energy standard is more suitable to the field practice at key points .

在研究中，根据岩心分析资料将岩石骨架分为石英类、岩屑类和粘土类，利用BP神经网络进行岩性反演，建立了符合客观实际的岩性剖面；

In the study , on the basis of the core analysis data , the rock matrix was classified as quartz type , debris type and clay type and , by using BP neural network to make lithology inversion , the lithological profile conforming to objective practice was set up .

XC的长链状双螺旋结构使其具有减阻作用，使钻井液在水平段始终处于紊流状态，阻止了水平段岩屑床的形成；

Because of long chain couple helix composition of XC , XC can drag reduction , make drilling fluid keep disturbed flow condition in horizontal section , and stop cutting bed formation .

岩屑自然伽马随钻录井技术是应对PDC钻头岩屑细碎、甚至呈粉末状，岩性难以识别的重要手段之一。

In view of the situation that the cuttings for PDC drilling bit was fine , even in the state of powder , and the lithology was difficult to identify , cutting natural gamma logging technique while drilling is one of important processing ways .

结果表明：WTZN无固相钻井液增粘剂增粘、提高动切力效果好，有利于提高钻井液携带岩屑能力；

The result shows that the WTZN clay-free drilling fluid viscosifier is quite effective and improves dynamic shear force and cutting carrying ability .

该文在简介DLS型综合录井仪的钻具振动分析技术的基础上，初步探讨了该技术在现场综合录井过程中的工程异常预报、尤其是在地质分层和岩屑描述方面的应用可行性。

Based on the brief introduction for drilling tool ′ s vibration analytical technology of DLS Logging Unit , the paper preliminarily discussed applying feasibility of the technology on abnormal engineering predicating , especially on geological stratifying and sample describing during wellsite logging .