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Specializes in:
Automotive / Cars & Trucks
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Mechanics / Mech Engineering
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Open to considering volunteer work for registered non-profit organizations
Portfolio
Sample translations submitted: 1
Chinese to English: Application of well logging in evaluating the stability of mud shale borehole wall General field: Tech/Engineering Detailed field: Science (general)
Source text - Chinese 摘 要
井壁失稳是在钻井过程中遇到的一个十分复杂的难题,泥页岩水化是引起井壁失稳的重要原因之一。因此深入研究泥页岩水化机理,探索定量评价泥页岩水化应力的方法具有极其重要的意义。
目前对于泥页岩水化作用定量分析的研究很少,本文结合扩散双电层理论,探索性提出了水化应力的定量计算模型。同时,在井壁稳定性力学分析的基础上,探讨了水化应力对泥页岩地层孔隙压力和岩石力学参数的影响。根据水溶液在近井壁地层中的运移规律,结合泥页岩渗流基本方程,分析了渗流场对于地层孔隙压力及井壁稳定的影响。建立了一套考虑渗流场及水化应力因素影响的泥页岩井壁稳定评价体系。
测井资料具有信息量大,连续性好的特点。本文利用自然伽马能谱测井资料对泥页岩地层粘土矿物组分和含量以及泥页岩理化性质进行了综合评价。利用常规测井资料对泥页岩纯力学井壁稳定性进行了评价。进一步结合渗流场和水化作用评价模型对泥页岩井壁稳定性进行了评价,得到渗流及水化作用下的“安全钻井液密度窗口”。
应用本文提出的评价体系对元坝地区X井测井资料进行了处理和分析,计算结果表明本文建立的泥页岩井壁稳定评价体系能够更加准确的评价水化作用下泥页岩井壁的稳定性,为防塌钻井液的设计提供指导作用。
Translation - English Abstract
Borehole wall instability is a very complicated problem encountered in the drilling process, where the hydration of mud shale remains one of the major causes leading to its instability. Therefore, it is of great significance to conduct an in-depth examination of the hydration mechanism of mud shale and explore a quantitative method to evaluate the hydration stress of mud shale.
At present, little research has been conducted to quantitatively analyze the hydration of mud shale. This paper proposes a quantitative computation model for hydration stress in an exploratory manner by combining the diffuse double-layer theory. In addition, the paper discusses the influence of hydration stress on the pore pressure and geomechanical parameters of mud shale formation based on mechanical analysis of borehole wall stability. According to the migration rules of aqueous solution in the formation near the borehole wall combined with the basic equation of seepage flow in mud shale, the paper analyzes the influence of the seepage field on the formation pore pressure and the borehole wall stability. Moreover, a system taking the influence of seepage field and hydration stress into consideration is established to evaluate the stability of mud shale borehole walls.
The well-logging data are characterized by a large amount of information with good continuity. The paper utilizes the natural gamma-ray spectral logging data to comprehensively evaluate the clay mineral constituents and content in the mud shale formation as well as the physicochemical properties of mud shale. Besides, the paper employs the common logging data to evaluate the stability of mud shale borehole walls from a pure mechanical perspective. Moreover, the paper combines the seepage field with the hydration evaluation model to evaluate the stability of the mud shale borehole wall, thereby obtaining the “safe density window of drilling fluids” under the action of seepage flow and hydration.
The evaluation system proposed in this paper was used to process and analyze the logging data of X wellbore in the Yuanba area. Further, the calculation results demonstrate the mud shale borehole wall stability evaluation system established in the paper can more accurately evaluate the mud shale borehole wall stability under the action of hydration, thus providing guidance for the design of stabilizing drilling fluids.
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Experience
Registered at ProZ.com: Dec 2023. Became a member: Dec 2023.
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Bio
With over 15 years of technical translation experience, I pride myself in delivering
precise translations between Chinese and English.
My strong technical background enables me to understand intricate terms and jargon, ensuring accurate
translations of complex industry-specific documents.
I am deeply attuned to cultural nuances, facilitating effective international communication.
Dedication to accuracy and reliability is the cornerstone of my work.
Keywords: Chinese, English to Chinese, Chinese to English, Technical translation, Technical translator, Technology, Industries, Engineering, Automotive, Manufacturing. See more.Chinese, English to Chinese, Chinese to English, Technical translation, Technical translator, Technology, Industries, Engineering, Automotive, Manufacturing, Electronics, localization. See less.