【摘要】：含水層型儲(chǔ)氣庫(kù)是僅次于枯竭油氣藏型儲(chǔ)氣庫(kù)的另一種大型地下儲(chǔ)氣庫(kù)形式,含水層建庫(kù)的技術(shù)難度、安全風(fēng)險(xiǎn)、項(xiàng)目投資和建造周期都要高于枯竭氣藏建庫(kù),目前國(guó)內(nèi)還沒(méi)有含水層儲(chǔ)氣庫(kù)建庫(kù)先例,非常缺乏必要的理論和實(shí)踐經(jīng)驗(yàn),而蓋層的封閉能力和儲(chǔ)氣庫(kù)圈閉的完整性是庫(kù)址選擇、儲(chǔ)氣庫(kù)設(shè)計(jì)的基本前提和理論基礎(chǔ)。本文以大5區(qū)塊為研究對(duì)象,緊密圍繞蓋層密封性能、儲(chǔ)層儲(chǔ)集性能,圈閉有效性三個(gè)核心問(wèn)題,開(kāi)展地質(zhì)特征、氣藏工程、室內(nèi)實(shí)驗(yàn)、現(xiàn)場(chǎng)試驗(yàn)四個(gè)層面的研究,評(píng)價(jià)含水層建庫(kù)的可行性,形成以下成果和認(rèn)識(shí):歸納總結(jié)蓋層密封性影響因素,初步形成蓋層密封性評(píng)價(jià)標(biāo)準(zhǔn),并利用地質(zhì)、動(dòng)態(tài)、實(shí)驗(yàn)手段,對(duì)大5區(qū)塊泥巖蓋層密封性進(jìn)行評(píng)價(jià);在室內(nèi)實(shí)驗(yàn)、產(chǎn)能測(cè)試的基礎(chǔ)上,對(duì)儲(chǔ)層的儲(chǔ)集性能、滲流特征進(jìn)行評(píng)價(jià);研究?jī)?chǔ)層物性下限確定方法,并借鑒常規(guī)油氣中的排驅(qū)壓力法、最小吼道半徑法,初步確定大5區(qū)塊水層建庫(kù)的物性下限;利用氣藏工程理論計(jì)算方法和產(chǎn)水指數(shù)方法,對(duì)大5區(qū)塊的產(chǎn)氣能力進(jìn)行了初步評(píng)價(jià);確定建庫(kù)參數(shù),進(jìn)行了注采井網(wǎng)部署。通過(guò)本文研究對(duì)國(guó)內(nèi)含水層儲(chǔ)氣庫(kù)建設(shè)具有一定推導(dǎo)作用,研究結(jié)果為含水層儲(chǔ)氣庫(kù)的選址、設(shè)計(jì)、密封性評(píng)價(jià)和合理注采參數(shù)的確定提供了科學(xué)依據(jù)。
[Abstract]:Aquifer type gas storage is another type of large underground gas storage after depleted oil and gas reservoir. The technical difficulty, safety risk, project investment and construction period of aquifer reservoir are higher than those of depleted gas reservoir. At present, there is no precedent for the establishment of aquifer gas storage in China, which lacks the necessary theoretical and practical experience. The sealing ability of cap bed and the integrity of gas storage trap are the basic premise and theoretical basis of reservoir location selection and design of gas storage. In this paper, three core problems, including sealing performance of caprock, reservoir performance and trap effectiveness, are closely surrounding the three core problems, which are geological characteristics, gas reservoir engineering, laboratory experiments and field tests. In order to evaluate the feasibility of aquifer reservoir construction, the following achievements and understandings have been formed: the factors affecting the sealing of the cap bed are summarized, the evaluation criteria for the seal property of the cap bed are preliminarily formed, and the geological, dynamic and experimental means are used, The seal property of mudstone caprock in block Da-5 is evaluated. On the basis of laboratory experiment and productivity test, the reservoir performance and percolation characteristics are evaluated. The method of determining the lower limit of reservoir physical properties is studied, and the lower limit of physical properties of water reservoir in Da-5 Block is preliminarily determined by using the conventional oil and gas displacement pressure method and the minimum channel radius method for reference. Based on the calculation method of gas reservoir engineering theory and the method of water production index, the gas production capacity of Da-5 block is preliminarily evaluated, and the parameters of building reservoir are determined, and the injection-production well pattern is arranged. The research in this paper can be used to deduce the construction of domestic aquifer gas storage, and the research results provide scientific basis for the location, design, sealing evaluation and reasonable injection and production parameters determination of aquifer gas storage.
【學(xué)位授予單位】：東北石油大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TE972.2

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