裂縫性碳酸鹽巖儲(chǔ)氣庫注采滲流規(guī)律實(shí)驗(yàn)研究
本文關(guān)鍵詞:裂縫性碳酸鹽巖儲(chǔ)氣庫注采滲流規(guī)律實(shí)驗(yàn)研究 出處:《中國科學(xué)院研究生院(滲流流體力學(xué)研究所)》2015年碩士論文 論文類型:學(xué)位論文
更多相關(guān)文章: 碳酸鹽巖儲(chǔ)氣庫 滲流規(guī)律 注采敏感性 仿真模擬 孔隙空間利用率
【摘要】:裂縫性碳酸鹽巖儲(chǔ)氣庫儲(chǔ)層具有雙重結(jié)構(gòu)特征,流體滲流復(fù)雜,研究難度大。目前裂縫性碳酸鹽巖儲(chǔ)氣庫的注采滲流物理模擬主要從宏觀和微觀兩方面開展研究。論文以華北S裂縫性碳酸鹽巖儲(chǔ)氣庫為研究對(duì)象,開展儲(chǔ)層微觀儲(chǔ)層特征、氣水交互驅(qū)替滲流機(jī)理及儲(chǔ)氣庫多周期注采運(yùn)行仿真物理模擬研究,揭示氣水高速滲流機(jī)理及影響氣庫高效運(yùn)行的主控因素。最終根據(jù)滲流機(jī)理研究結(jié)果復(fù)核優(yōu)化S氣庫庫容參數(shù)。1、通過對(duì)比分析毛細(xì)管壓力曲線與核磁共振T2譜分布,研究碳酸鹽儲(chǔ)集空間孔喉發(fā)育特征;基于非穩(wěn)態(tài)法氣水相對(duì)滲率測(cè)試曲線,分析碳酸鹽微裂縫儲(chǔ)層氣水兩相滲流特征。研究結(jié)果表明,華北S碳酸鹽儲(chǔ)層微裂縫發(fā)育、孔隙細(xì)小且分布集中。不同層位氣相滲流特征差異較大。2、華北S氣藏構(gòu)造裂縫發(fā)育、儲(chǔ)層非均質(zhì)性強(qiáng),在很難鉆取真實(shí)反映裂縫發(fā)育的雙重介質(zhì)儲(chǔ)層特征條件下,通過對(duì)天然基質(zhì)巖心剪切造縫實(shí)現(xiàn)實(shí)驗(yàn)材料的仿真。氣水相滲實(shí)驗(yàn)研究表明:裂縫性儲(chǔ)層相滲曲線近似X型,多輪次氣水互驅(qū)實(shí)驗(yàn)后相滲曲線變化較小;|(zhì)巖心相滲曲線多次氣水互驅(qū)后共滲區(qū)間變窄,共滲點(diǎn)降低。微裂縫對(duì)儲(chǔ)層孔隙空間貢獻(xiàn)率較大,微裂縫發(fā)育儲(chǔ)層孔隙空間利用率保持在較高水平,基質(zhì)儲(chǔ)層含氣孔隙空間利用率逐漸降低并趨向穩(wěn)定。3、根據(jù)氣藏改建儲(chǔ)氣庫前縱向氣水分布特征將儲(chǔ)層分純氣帶和氣水過渡帶,對(duì)上述兩個(gè)區(qū)帶分別開展注采氣速度和水侵程度敏感性實(shí)驗(yàn)。注采仿真模擬結(jié)果表明:注采氣速度是影響建庫孔隙空間動(dòng)用率的主控因素,滲流速度越大,孔隙空間動(dòng)用率越低。過渡帶由于賈敏效應(yīng)、繞流等影響,儲(chǔ)層形成一定的死空間,損失部分氣體,儲(chǔ)氣庫動(dòng)用效果明顯降低,水侵對(duì)巖心基質(zhì)影響更明顯。
[Abstract]:The fractured carbonate reservoir reservoir has a dual structure, the fluid flow is complex, difficult to study. The fractured carbonate gas storage injection flow physical simulation mainly from the macro and micro two aspects to carry out research in North China S fractured carbonate reservoir as the research object, carry out the reservoir microscopic reservoir the characteristics of water flooding, gas interaction mechanism of percolation and gas storage in multi cycle injection simulation and physical simulation research, reveals the main control factors of gas reservoir and efficient operation of the high-speed water seepage mechanism and influence. Finally according to the research results of complex flow mechanism of gas storage capacity of S kernel optimization parameter.1, through the comparative analysis of pressure curve and magnetic resonance T2 the spectral distribution of capillary of carbonate reservoir space, pore throat characteristics; relative leakage rate test curve of non steady state method based on the analysis of micro gas water, carbonate fractured reservoir gas water two-phase flow characteristics. The results show that the North China S carbonate micro fracture reservoir, small porosity and concentrated. Different layers of gas phase flow characteristics of different.2, the fractures of North China S gas reservoir, reservoir heterogeneity and reservoir characteristics in dual medium condition is very difficult to drill a true reflection of the cracks, the natural matrix core shear fracture simulation experimental materials. Experimental results show that gas phase permeability of fractured reservoir relative permeability curve approximate X, multiple rounds of water gas mutual flooding experiments after phase permeability curve changes smaller. Matrix core relative permeability curves of several water gas mutual infiltration after flooding interval narrowing, infiltration point decreased. The larger rate of micro cracks on reservoir pore space, micro fracture reservoir pore space utilization rate is maintained at a high level, medium gas reservoir pore space utilization rate decreased gradually and tends to be stable.3, according to the gas reservoir gas storage reconstruction before the longitudinal Gas water distribution characteristics of the reservoir is divided with pure gas and gas water transition zone, respectively carry out injection and production gas velocity and water invasion degree sensitivity experiment of the two zones. The simulation results show that the injection injection rate of gas production is the main controlling factor of building the pore space utilization rate, flow velocity increasing, the pore the use of space. The lower the rate of transition zone due to the Jia Min effect, flow effect, reservoir formation of dead space, part of the loss of gas, gas storage to significantly reduce the effect, influence of water invasion on core matrix is more obvious.
【學(xué)位授予單位】:中國科學(xué)院研究生院(滲流流體力學(xué)研究所)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2015
【分類號(hào)】:TE972;TE312
【參考文獻(xiàn)】
相關(guān)期刊論文 前9條
1 運(yùn)華云,趙文杰,劉兵開,周燦燦,周鳳鳴;利用T_2分布進(jìn)行巖石孔隙結(jié)構(gòu)研究[J];測(cè)井技術(shù);2002年01期
2 賈虎;蒲萬芬;廖然;袁成東;湯柏松;趙若錕;;縫洞型油氣藏物理模擬試驗(yàn)方法研究[J];石油鉆探技術(shù);2010年06期
3 陳元千;;計(jì)算凝析油當(dāng)量氣體體積的方法及應(yīng)用[J];天然氣工業(yè);1993年06期
4 周克明,李寧,張清秀,唐顯貴;氣水兩相滲流及封閉氣的形成機(jī)理實(shí)驗(yàn)研究[J];天然氣工業(yè);2002年S1期
5 易敏;郭平;孫良田;;非穩(wěn)態(tài)法水驅(qū)氣相對(duì)滲透率曲線實(shí)驗(yàn)[J];天然氣工業(yè);2007年10期
6 丁國生;;全球地下儲(chǔ)氣庫的發(fā)展趨勢(shì)與驅(qū)動(dòng)力[J];天然氣工業(yè);2010年08期
7 石磊;廖廣志;熊偉;高樹生;耿彤;;水驅(qū)砂巖氣藏型地下儲(chǔ)氣庫氣水二相滲流機(jī)理[J];天然氣工業(yè);2012年09期
8 張建國;劉錦華;何磊;薛云龍;石磊;;水驅(qū)砂巖氣藏型地下儲(chǔ)氣庫長巖心注采實(shí)驗(yàn)研究[J];石油鉆采工藝;2013年06期
9 王自明;宋文杰;劉建儀;劉勇;杜鵑;黃川;林樹文;;輪南古潛山碳酸鹽巖油藏長巖心驅(qū)替實(shí)驗(yàn)成果[J];新疆石油地質(zhì);2006年01期
相關(guān)碩士學(xué)位論文 前1條
1 王潁超;S4潛山凝析氣藏改建儲(chǔ)氣庫可行性研究[D];西南石油大學(xué);2014年
,本文編號(hào):1386192
本文鏈接:http://sikaile.net/kejilunwen/shiyounenyuanlunwen/1386192.html