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LNG,Return On Capital Employed。 Natural gas transmission industry。 2010 Elsevier Ltd. All rights reserved.5.Impact assessment of trafficinduced vibration on natural gas transmission pipelineT. Bajcara,mm and 250 2012 Elsevier Ltd. All rights reserved.(七)歐洲專(zhuān)利數(shù)據(jù)庫(kù)()列舉出部分檢索結(jié)果(含摘要)。s structural integrity, does not have a significant impact on pipeline lifetime period.Highlights? The impact of trafficinduced vibration on a buried gas pipeline is presented. ? The experiment on operating buried gas pipeline was conducted. ? Pipeline lifetime period was calculated with the mathematical model. ? The effect of induced vibration does not have significant impact on lifetime period.KeywordsB. ?iroka, TSR, Williams is a close follower. Clockspeed laggards for the natural gas transmission segments coincide with the corporate clockspeed laggards of the peer group: CMS Energy and NiSource (over the performance period studied)。 Genetic algorithmGadget timed out while loadingCorresponding author. Address: School of Petroleum and Natural Gas Engineering, Southwest Petroleum University, 8 Xindu Road, Xindu District, Chengdu City, Sichuan Province, PR China.Copyright 169。 Analytical solution。School of Petroleum and Natural Gas Engineering, Southwest Petroleum University, Chengdu 610500, PR Chinab Explosion。a Friction factor。GaussianMeans clustering。The Northeast Petroleum University, Daqing, HeiLongjiang Province, China.3.【篇名】Natural Gas Transmission Pipeline Temperature Drop Calculation【刊名】:Advances in Petroleum Exploration and Development【出版年】:2014【卷】:8【期】:2【館藏單位】:中國(guó)化工信息中心【館藏號(hào)】:T141【語(yǔ)種】:英語(yǔ)【文摘】:The numerical putation of natural gas pipeline * temperature drop will provide the reference data for the design of gas pipeline, the judgement of hydrate formation, the normal production and operation. On the basis of Suhuofu formula, considering the effect of the JouleThomson, according to the natural gas flowing through a pipe heat conduction basic theory, bined with engineering thermodynamics, heat transfer and fluid mechanics knowledge, establishing gas transmission pipeline temperature drop model, adopt iterative method, the natural gas temperature along the pipe is calculated, paring some kind of factors such as gas position, the pipeline operational factor, the heat preservation situation, and analysis how the factors influent the temperature drop, providing the theory basis for how to reduce the temperature drop in the gas line, the heating power and the heating furnace heating temperature calculation, and energy conservation and optimization.【關(guān)鍵詞】:Natural gas。Natural gas fires。質(zhì)量控制?!攫^藏單位】:中國(guó)科學(xué)技術(shù)信息研究所4.【篇名】石油天然氣長(zhǎng)輸管道泄漏檢測(cè)及方法【出版年】:2015【卷】:000【期】:030【起頁(yè)】:709【止頁(yè)】:709【總頁(yè)數(shù)】:1【館藏號(hào)】【分類(lèi)號(hào)】:F407【關(guān)鍵詞】:石油天然氣?!菊Z(yǔ)種】:漢語(yǔ)【文摘】:目前,天然氣工業(yè)得到迅猛發(fā)展,而對(duì)于天然氣管道,明顯存在鋪設(shè)范圍廣,雖然檢測(cè)技術(shù)不斷成熟,但是關(guān)于裂縫缺陷檢測(cè)方面,分析相關(guān)無(wú)損檢測(cè)方法,希望檢測(cè)技術(shù)得以不斷成熟完善.【館藏單位】:中國(guó)科學(xué)技術(shù)信息研究所2.【篇名】淺談在役天然氣長(zhǎng)輸管道上的缺陷及處理方法【刊名】:安全、健康和環(huán)境【ISSN】:16727932【出版年】:2015【卷】:015【期】:009【起頁(yè)】:17【止頁(yè)】:21【總頁(yè)數(shù)】:5【館藏號(hào)】:【關(guān)鍵詞】:天然氣。本發(fā)明涉及一種管道內(nèi)檢測(cè)用里程測(cè)量機(jī)構(gòu),應(yīng)用于油氣管道內(nèi)檢測(cè)所需要的里程測(cè)量和定位的領(lǐng)域,里程輪I和里程輪II分別安裝在浮動(dòng)臂兩端,浮動(dòng)臂、轉(zhuǎn)動(dòng)臂和彈簧呈變?nèi)切谓Y(jié)構(gòu),在彈簧的拉力作用下里程輪I和里程輪II始終緊貼管壁,具有結(jié)構(gòu)簡(jiǎn)單、占用空間小的特點(diǎn),不僅提高了機(jī)構(gòu)在管道內(nèi)的通過(guò)能力,而且使里程輪直徑可以做的相對(duì)較大,增大了轉(zhuǎn)動(dòng)力臂,從而避免打滑現(xiàn)象產(chǎn)生,提高里程測(cè)量準(zhǔn)確性。一種壓力管道內(nèi)檢測(cè)用球形密布式探頭超聲測(cè)厚裝置摘要:【網(wǎng)絡(luò)出版投稿人】(2)提出了天然氣長(zhǎng)輸管道的失效頻率計(jì)算模型,可對(duì)內(nèi)腐蝕、外腐蝕、制造與施工缺陷、第三方損壞等主要風(fēng)險(xiǎn)因素導(dǎo)致的管道失效頻率進(jìn)行計(jì)算。信號(hào)處理;研究了感應(yīng)線(xiàn)圈漏磁檢測(cè)信號(hào)的小波去噪方法,并詳細(xì)闡述了應(yīng)用插值技術(shù)去除壞死通道的影響的方法。MATLAB; 鑒于天然氣長(zhǎng)輸管道的模型受到流體特性、地勢(shì)狀況及管道自身的特性等諸多復(fù)雜因素的制約,難于建立其精確的數(shù)學(xué)模型,新鋪設(shè)的輸氣管網(wǎng)均已配有SCADA系統(tǒng),對(duì)現(xiàn)場(chǎng)各類(lèi)數(shù)據(jù)有了豐富的儲(chǔ)備等因素,同時(shí)結(jié)合我國(guó)管道輸送的實(shí)際情況,并借鑒目前國(guó)際上各種泄漏檢測(cè)與定位的先進(jìn)方法,針對(duì)天然氣長(zhǎng)輸管線(xiàn)泄漏故障的特點(diǎn),本文提出了基于小波分析和負(fù)壓波相結(jié)合的檢測(cè)泄漏與定位技術(shù)。管道裂紋;接著構(gòu)建了在線(xiàn)管道內(nèi)檢測(cè)系統(tǒng),內(nèi)檢測(cè)系統(tǒng)包括軟件和硬件兩方面,硬件方面給出系統(tǒng)的超聲波發(fā)射/接收電路的設(shè)計(jì)方案,并通過(guò)運(yùn)用信號(hào)分頻技術(shù)對(duì)原有的四路采集通道進(jìn)行了擴(kuò)展——制作了多路開(kāi)天轉(zhuǎn)換板卡,實(shí)現(xiàn)了通道采集信號(hào)的多路傳輸。超聲波測(cè)厚;然而,傳統(tǒng)的模擬式超聲檢測(cè)系統(tǒng)存在誤檢和信噪比較差等問(wèn)題,本文針對(duì)其不足,提出了基于數(shù)字式超聲檢測(cè)的長(zhǎng)輸管道內(nèi)檢測(cè)系統(tǒng)設(shè)計(jì)方案,利用嵌入式計(jì)算機(jī)和專(zhuān)用的高速數(shù)據(jù)采集卡等核心元件,實(shí)現(xiàn)了數(shù)字式超聲波管道檢測(cè),取得了較好的結(jié)果。川氣東送;管理;2006年阿拉斯加PrudhoeBay油田原油管道泄漏事故,也是因腐蝕造成的,招致了公眾對(duì)BP公司管道安全管理的強(qiáng)烈批評(píng),引起了媒體對(duì)聯(lián)邦管道安全規(guī)章的質(zhì)疑。天然氣;內(nèi)檢測(cè);傳感器;指出了超聲波管道檢測(cè)技術(shù)未來(lái)發(fā)展方向,可為我國(guó)超聲波管道內(nèi)檢測(cè)技術(shù)的研究提供參考和借鑒。管道漏磁智能內(nèi)檢測(cè)是管道腐蝕缺陷檢測(cè)應(yīng)用最廣泛、最成熟的管道檢測(cè)技術(shù)。因此,及時(shí)對(duì)長(zhǎng)輸天然氣管道進(jìn)行檢驗(yàn),發(fā)現(xiàn)問(wèn)題并整改,防止泄漏,是維護(hù)管道安全使用的重要保障,而威脅長(zhǎng)輸管道完整性的主要因素是腐蝕。分析了超聲波檢測(cè)的基本原理,介紹了國(guó)內(nèi)外超聲波檢測(cè)技術(shù)的研究現(xiàn)狀和最新研究進(jìn)展,概述了現(xiàn)階段國(guó)外較先進(jìn)的超聲波管道檢測(cè)器的技術(shù)指標(biāo)和產(chǎn)品的性能、特點(diǎn)。缺陷;天然氣管道;【關(guān)鍵詞】2000年新墨西哥州Carlsbad天然氣管道爆炸事故,其直接原因是內(nèi)腐蝕引起的管壁嚴(yán)重減薄,反映出管道公司在內(nèi)腐蝕控制方面的不足,同時(shí)暴露出美國(guó)運(yùn)輸部在管道安全監(jiān)管方面的疏漏。安全;內(nèi)檢測(cè);并針對(duì)數(shù)據(jù)采集部分的難點(diǎn),采用軟硬件結(jié)合的方法,解決了壁厚數(shù)據(jù)和定位數(shù)據(jù)同步采集、存儲(chǔ)等問(wèn)題。管道內(nèi)檢測(cè);首先分析了國(guó)內(nèi)外對(duì)于管道裂紋無(wú)損內(nèi)檢測(cè)技術(shù)的研究發(fā)展現(xiàn)狀、存在的問(wèn)題,其中介紹了目前國(guó)內(nèi)外內(nèi)檢測(cè)技術(shù)和內(nèi)檢測(cè)功能機(jī)產(chǎn)品。超聲檢測(cè);為將泄漏事故造成的各種危害減少到最小,需要研究泄漏檢測(cè)技術(shù),以達(dá)到更高的泄漏檢測(cè)靈敏度和更準(zhǔn)確的泄漏點(diǎn)定位精度。負(fù)壓波;研究了漏磁信號(hào)特征的有關(guān)影響因素,例如缺陷的外形尺寸、傳感探頭提離距離、檢測(cè)儀移動(dòng)速度、管壁磁化水平、磁鐵形狀和管道內(nèi)應(yīng)力等,得到了各種因素對(duì)漏磁檢測(cè)的影響規(guī)律,為相關(guān)補(bǔ)償提供了理論指導(dǎo)。缺陷識(shí)別;本文主要形成了以下的研究成果:(1)系統(tǒng)分析了目前世界上主要油氣管道運(yùn)行國(guó)家的失效統(tǒng)計(jì)數(shù)據(jù),研究了歐洲、美國(guó)和加拿大的管道失效統(tǒng)計(jì)規(guī)律,提出了管道運(yùn)行的基礎(chǔ)失效頻率。失效后果;收起3.[發(fā)明公布]一種管道內(nèi)檢測(cè)用里程測(cè)量機(jī)構(gòu)摘要:本發(fā)明管道內(nèi)檢測(cè)器用管道彎頭走向參數(shù)測(cè)量方法在不增加檢測(cè)成本的前提下為管道完整性管理提供相關(guān)參考依據(jù)。應(yīng)用?!菊Z(yǔ)種】:漢語(yǔ)【文摘】:本文淺談了長(zhǎng)輸天然氣管道的外防腐,主要以防腐層的選擇、檢測(cè)、以及修復(fù)為主,并以山東省天然氣管道有限公司淄博輸氣管理區(qū)的管道防腐層缺陷點(diǎn)檢測(cè)和治理為實(shí)例做了分析。管道內(nèi)檢測(cè)。Mathematical modelling。PetroChina Daqing Oilfield Co., Ltd., Daqing, China.。Density based clustering。檢索題名:“internal detection”or“natural gas transmission pipeline”1.Unsteady natural gas flow within pipeline network, an analytical approachMahmood FarzanehGord Unsteady flow。Fulvio Parisib,Maoze Jiangbaclockspeed winners, but with different ranking in the following order: Kinder Morgan, MidAmerican and El Paso。Department of Energy。European Union。Health, Safety and Environment。Liquefied Natural Gas。 Peer group benchmarking。F. Cimermanb,mm and on corresponding casing pipes. The measurement data analysis was performed and the results were used for determination of pipeline lifetime period in the model for theoretical estimation of pipeline lifetime which has been exposed to trafficinduced vibration. The findings of the study in this paper show that the trafficinduced vibration on given buried natural gas pipeline is detectable, however this vibration, pared to the other factors which are influencing pipeline39。 Integrity。檢索詞“internal detection”or“natural gas transmission pipeline”1