首页--工业技术论文--石油、天然气工业论文--钻井工程论文--洗井、固井、完井、油层损害与预防论文--钻井液的使用与处理论文

深水双梯度钻井油基钻井液两相流研究

摘要第4-6页
Abstract第6-8页
创新点摘要第9-13页
CHAPTER 1 Introduction第13-24页
    1.1 Background第13-14页
    1.2 Literature review第14-21页
        1.2.1 PVT of oil based drilling fluids第14-17页
        1.2.2 Multiphase Flow in drilling第17-20页
        1.2.3 Dual gradient drilling第20-21页
    1.3 Objectives of This Study第21-22页
    1.4 Overview of Thesis第22-24页
CHAPTER 2 Managed Pressure Drilling and Dual Gradient Drilling第24-40页
    2.1 Managed Pressure Drilling第24-25页
    2.2 MPD variations第25-27页
        2.2.1 Constant Bottom-Hole Pressure第25-26页
        2.2.2 Pressurized Mud-Cap Drilling第26页
        2.2.3 Returns Flow Control第26页
        2.2.4 Dual Gradient Drilling第26-27页
    2.3 History of DGD第27页
    2.4 Dual gradient drilling methods第27-33页
        2.4.1 Riserless Mud Recovery第28-29页
        2.4.2 Subsea Mudlift Drilling第29-31页
        2.4.3 Controlled Mud Level第31-32页
        2.4.4 Dilution第32-33页
    2.5 Dilution dual gradient drilling第33-35页
        2.5.1 Hollow glass sphere dilution DGD (HGS DGD)第33-34页
        2.5.2 Liquid-lift dilution DGD第34-35页
        2.5.3 Gas-lift dilution DGD第35页
    2.6 Advantages and challenges of dual gradient drilling technology第35-36页
        2.6.1 Advantages第35-36页
        2.6.2 Challenges第36页
    2.7 Reasons for using the oil based drilling fluids第36-38页
        2.7.1 The advantages of Oil Based drilling fluids第37页
        2.7.2 The disadvantages of Oil Based drilling fluids第37-38页
        2.7.3 Discrepancy and Difficulty in study of OBDF compared to WBDF第38页
    2.8 Summary第38-40页
CHAPTER 3 The multiphase flow governing equations of Gas-lift Dual Gradient Drillingfor OBDF第40-63页
    3.1 Multiphase Flow第40-41页
    3.2 Two phase flow modeling第41-42页
    3.3 Multiphase Flow in Well第42-43页
    3.4 Pressure gradient prediction第43-45页
        3.4.1 Homogenous Equilibrium Model第43页
        3.4.2 Empirical Correlations第43-45页
        3.4.3 Mechanistic Models第45页
    3.5 Flow in an Annulus第45-52页
        3.5.1 Flow-Pattern Classification in Annulus第45-47页
        3.5.2 Flow Pattern Map第47-52页
    3.6 Importance of solubility and bubble pressure point in gas-lift dual gradient drilling第52-54页
    3.7 Determination of density and viscosity of OBDF below the POB第54-61页
        3.7.1 Equivalent Circulating Density第54-55页
        3.7.2 Frictional Pressure Loss第55-56页
        3.7.3 Drilling Fluid Rheology第56-57页
        3.7.4 Temperature and Pressure Dependent Rheological Properties第57-59页
        3.7.5 Determination of density第59-61页
    3.8 Summary第61-63页
CHAPTER 4 Experimental study on the PVT behaviors of white mineral oil/Nitrogenmixture第63-79页
    4.1 PVT study on two phase oil based drilling fluids第63-64页
    4.2 Experiment detail for white mineral oil (#5) and Nitrogen第64-68页
        4.2.1 Materials for experiment第64-65页
        4.2.2 Apparatuses and procedure of experiment第65-68页
    4.3 Interpretation of PVT data第68-70页
    4.4 Results and verification第70-72页
    4.5 New solubility and bubble pressure models第72-77页
    4.6 Summary第77-79页
CHAPTER 5 Simulation of Gas-lift Dual Gradient Drilling in the riser第79-104页
    5.1 Method for simulating flow parameters in riser for gas lift dual gradient drilling第79-97页
        5.1.1 Methodology第82-83页
        5.1.2 Algorithm第83-84页
        5.1.3 Algorithm Steps第84-87页
        5.1.4 Determination of formation volume factor (FVF)第87-89页
        5.1.5 Determination of mixture density第89-90页
        5.1.6 Determination of volumetric flow rate第90-91页
        5.1.7 Determination of void fraction and mixture velocity第91-93页
        5.1.8 Determination of mixture viscosity第93-96页
        5.1.9 Determination of mixture friction factor第96-97页
    5.2 Results and discussion about effect of the new models on evaluating gas-lift DGD第97-102页
        5.2.1 Optimization of gas flow rate第99-102页
    5.3 Summary第102-104页
Chapter 6 Simulation and advantages of gas-lift DGD with OBDF in deepwater drilling第104-118页
    6.1 Entire well simulation第104-105页
    6.2 Casing design for WBDF in deepwater drilling第105-110页
        6.2.1 Casing and rig costs estimation in conventional and DGD for WBDF第108-110页
    6.3 Casing design for OBDF in deepwater drilling第110-116页
        6.3.1 Casing and rig costs estimations in conventional and DGD for OBDF第114-116页
    6.4 Summary第116-118页
Conclusions第118-121页
References第121-130页
攻读博士学位期间取得的研究成果第130-131页
Acknowledgements第131-132页
作者简介第132页

论文共132页,点击 下载论文
上一篇:杂质对超临界CO2输送管线X65钢腐蚀的影响研究
下一篇:胜利稠油族组分结构分析及水热裂解行为研究