本文選題：天然氣礦場(chǎng)集輸系統(tǒng) + 用能分析��； 參考：《西南石油大學(xué)》2015年碩士論文

【摘要】：天然氣礦場(chǎng)集輸系統(tǒng)是由井場(chǎng)、集氣分離站、增壓站、集輸管網(wǎng)和氣田水回注站等用能環(huán)節(jié)按照一定的拓?fù)浣Y(jié)構(gòu)銜接而成的復(fù)雜用能系統(tǒng),是氣田生產(chǎn)中的主要用能環(huán)節(jié)之一。現(xiàn)有集輸系統(tǒng)用能分析及評(píng)價(jià)技術(shù)處于單體設(shè)備分析、局部工藝流程調(diào)整和區(qū)域綜合節(jié)能層面上,沒(méi)有從過(guò)程系統(tǒng)節(jié)能控制角度形成一套指導(dǎo)集輸系統(tǒng)用能測(cè)試、分析及評(píng)價(jià)的體系與方法。本文通過(guò)建立天然氣礦場(chǎng)集輸系統(tǒng)用能分析模型,構(gòu)建用能評(píng)價(jià)指標(biāo)體系,對(duì)系統(tǒng)用能狀況進(jìn)行分析及評(píng)價(jià),主要研究工作如下： (1)對(duì)國(guó)內(nèi)外過(guò)程系統(tǒng)能量分析方法、油氣集輸系統(tǒng)用能評(píng)價(jià)、節(jié)能降耗措施、用能分析及評(píng)價(jià)軟件技術(shù)研究現(xiàn)狀進(jìn)行調(diào)研�？偨Y(jié)當(dāng)前研究存在沒(méi)有針對(duì)天然氣集輸系統(tǒng)、分析方法單一、指標(biāo)體系不完整等問(wèn)題,分析天然氣與原油集輸系統(tǒng)在輸送介質(zhì)、集輸流程、用能設(shè)備等方面存在較大差異； (2)對(duì)一般性天然氣礦場(chǎng)集輸系統(tǒng)用能環(huán)節(jié)進(jìn)行界定,采用黑箱、白箱模型對(duì)加熱爐、集輸管道、燃?xì)獍l(fā)動(dòng)機(jī)、壓縮機(jī)、泵機(jī)組、分離器、換熱器等用能設(shè)備進(jìn)行能量平衡和(?)平衡分析,并對(duì)泵和壓縮機(jī)內(nèi)部能量損失進(jìn)行重點(diǎn)分析。建立用能分析的評(píng)價(jià)指標(biāo)有：能量利用率、(?)效率、熱力學(xué)完善度等,用能分析的分析指標(biāo)有：能量損失系數(shù)、(?)損失系數(shù)等； (3)結(jié)合天然氣礦場(chǎng)集輸系統(tǒng)工藝流程及實(shí)際用能特點(diǎn),對(duì)傳統(tǒng)“三環(huán)節(jié)”過(guò)程系統(tǒng)用能分析法進(jìn)行改進(jìn),將集輸系統(tǒng)劃分為能量轉(zhuǎn)換、傳輸、利用和回收四個(gè)環(huán)節(jié),提出具有一般性的集輸系統(tǒng)用能過(guò)程“組合模塊多環(huán)節(jié)分析法”,建立各用能環(huán)節(jié)物理、數(shù)學(xué)模型及分析指標(biāo)； (4)構(gòu)建包含井場(chǎng)、集氣分離站、增壓站、集輸管網(wǎng)及氣田水回注站的二級(jí)指標(biāo)體系與評(píng)價(jià)準(zhǔn)則,利用改進(jìn)層次分析法確定各級(jí)指標(biāo)權(quán)重,建立集輸系統(tǒng)用能模糊評(píng)價(jià)模型； (5)建立集輸系統(tǒng)用能測(cè)試數(shù)據(jù)庫(kù),采用C#編程語(yǔ)言開(kāi)發(fā)“天然氣礦場(chǎng)集輸系統(tǒng)用能分析及評(píng)價(jià)軟件”。實(shí)現(xiàn)用能測(cè)試數(shù)據(jù)管理、設(shè)備用能分析、集輸系統(tǒng)用能分析、調(diào)整改造決策、用能預(yù)測(cè)、指標(biāo)權(quán)重計(jì)算、集輸系統(tǒng)用能模糊評(píng)價(jià)等功能。軟件具有一定的通用性和開(kāi)放性,能夠根據(jù)具體集輸系統(tǒng)實(shí)際用能環(huán)節(jié)的不同進(jìn)行模塊組合分析及評(píng)價(jià)； (6)以A氣田礦場(chǎng)集輸系統(tǒng)為例,對(duì)設(shè)備及系統(tǒng)進(jìn)行用能分析,計(jì)算集輸系統(tǒng)能量轉(zhuǎn)換、傳輸、利用及回收環(huán)節(jié)效率,分析設(shè)備及集輸系統(tǒng)用能構(gòu)成和能量流向,對(duì)系統(tǒng)現(xiàn)有用能水平進(jìn)行模糊評(píng)價(jià),確定集輸系統(tǒng)節(jié)能降耗的切入點(diǎn)。
[Abstract]:Natural gas mine gathering and transportation system is a complex energy use system which is composed of well field, gas gathering separation station, pressurization station, gathering and transportation network and gas field water injection station. It is one of the main energy use links in gas field production. The existing energy use analysis and evaluation technology of gathering and transportation system is on the level of single equipment analysis, local process flow adjustment and regional comprehensive energy saving, and has not formed a set of guidance for energy use test of gathering and transportation system from the point of view of energy saving control of process system. System and method of analysis and evaluation. In this paper, the energy use analysis model of gas gathering and transportation system is established, and the energy use evaluation index system is constructed. The main research work is as follows: 1) the research status of process system energy analysis methods, energy use evaluation, energy saving and consumption reduction measures, energy use analysis and evaluation software technology of oil and gas gathering and transportation system at home and abroad are investigated. It is concluded that there are some problems in the current research, such as the lack of natural gas gathering and transportation system, the single analysis method, the incomplete index system, and so on. The differences between natural gas and crude oil gathering and transportation systems in transportation medium, gathering and transportation flow, energy using equipment are analyzed. (2) to define the energy consumption of general natural gas mine gathering and transportation system, and to use black box and white box model to balance the energy of heating furnace, gathering pipeline, gas engine, compressor, pump unit, separator, heat exchanger and so on. Balance analysis, and the internal energy loss of the pump and compressor analysis. The evaluation indexes for energy use analysis are: energy utilization ratio. Efficiency, thermodynamic perfection and so on. The analysis indexes of energy use analysis include: energy loss coefficient. Loss coefficient, etc.; (3) combining with the process flow of gathering and transporting system of natural gas mine field and the characteristics of practical energy use, the traditional "three links" process system energy use analysis method is improved, and the gathering and transportation system is divided into four links: energy conversion, transmission, utilization and recovery. In this paper, a general method of multi-link analysis of combinatorial modules for energy use process of gathering and transportation systems is proposed, and the physical, mathematical models and analysis indexes of each energy use link are established. The second grade index system and evaluation criterion including well site, gas gathering separation station, booster station, gathering pipeline network and gas field water injection station are constructed. The index weight of all levels is determined by using improved analytic hierarchy process (AHP), and the fuzzy evaluation model of gathering and transportation system energy is established. The data base of energy use test of gathering and transportation system is established, and the software of energy use analysis and evaluation of natural gas mine gathering and transportation system is developed by C # programming language. The functions of energy use test data management, equipment energy analysis, energy use analysis of gathering and transportation system, adjustment and transformation decision, energy use prediction, index weight calculation, fuzzy evaluation of energy use of gathering and transportation system are realized. The software has certain generality and openness, it can analyze and evaluate the module combination according to the actual energy consumption of the specific gathering and transportation system. Taking the gathering and transporting system of A gas field as an example, the energy use analysis of equipment and system is carried out, the energy conversion, transmission, utilization and recovery efficiency of gathering and transportation system are calculated, and the energy consumption composition and energy flow direction of equipment and gathering and transportation system are analyzed. The current energy use level of the system is evaluated by fuzzy method, and the starting point of energy saving and consumption reduction of gathering and transportation system is determined.
【學(xué)位授予單位】：西南石油大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類(lèi)號(hào)】：TE863

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