發(fā)布時間：2018-12-27 19:42

【摘要】：高石梯-磨溪地區(qū)龍王廟組氣藏是目前四川地區(qū)的重點勘探開發(fā)的新領(lǐng)域。該區(qū)儲層為多重孔隙介質(zhì)儲層,具有很強的非均質(zhì)性,造成了縫洞識別、儲層類型劃分、儲層參數(shù)定量計算、流體性質(zhì)識別及有效性控制因素分析等測井評價技術(shù)面臨了許多問題和難點。 本文在儲層特征分析的基礎(chǔ)上,運用常規(guī)測井資料結(jié)合巖心分析、成像測井、陣列聲波測井資料,從儲層識別、儲層參數(shù)建模、儲層流體性質(zhì)判別、儲層有效性控制因素分析四方面進(jìn)行測井評價。研究得出：①三孔隙度模型法應(yīng)用效果較好,可有效的識別縫洞；依據(jù)測井曲線特征值可有效識別儲層；儲層可劃分為溶蝕孔洞型、裂縫-孔洞型及裂縫-孔隙型三類,且各類儲層分布具有規(guī)律性。②以巖心物性分析資料標(biāo)定測井曲線,分儲層類型建立了孔隙度解釋模型,且模型具有較好的相關(guān)性；利用常規(guī)測井資料結(jié)合核磁測井資料計算了儲層滲透率,提高了滲透率的解釋精度；運用阿爾奇公式求取含水飽和度(實驗法確定m、n值)。③分構(gòu)造運用了6種流體性質(zhì)判別方法,其中雙側(cè)向測井具有普適性。④在儲層物性下限的確定基礎(chǔ)上,本文對不同類型有效儲層的電性特征進(jìn)行了評價,分析了巖性、孔喉結(jié)構(gòu)、滲透性、沉積相、構(gòu)造位置等因素與儲層有效性的關(guān)系,明確了有效儲層的特征,為油田的開發(fā)生產(chǎn)提供了重要的理論依據(jù)。 本論文的完成,為高石梯-磨溪地區(qū)龍王廟組氣藏提供了一套系統(tǒng)的測井評價技術(shù),為下一步的儲層綜合評價、試油層段的優(yōu)選和儲量計算提供了更為準(zhǔn)確的測井依據(jù)。
[Abstract]:Longwangmiao formation gas reservoir in Gaoshi-Moxi area is a new area of exploration and development in Sichuan. The reservoir in this area is a multi-porosity medium reservoir, which has strong heterogeneity, resulting in fracture and cavity recognition, reservoir type classification, quantitative calculation of reservoir parameters, Well logging evaluation techniques such as fluid property identification and effectiveness control factor analysis are facing many problems and difficulties. Based on the analysis of reservoir characteristics, this paper uses conventional logging data combined with core analysis, imaging logging, array acoustic logging data, from reservoir identification, reservoir parameter modeling, reservoir fluid properties discrimination. Well logging evaluation is carried out in four aspects of reservoir effectiveness control factor analysis. The results are as follows: (1) the three-porosity model method can be used to identify fractures and cavities effectively, and the reservoir can be effectively identified according to the characteristic values of logging curves. The reservoir can be divided into three types: solution pore type, fracture-pore type and fracture-pore type, and the distribution of all kinds of reservoirs is regular. (2) the log curve is calibrated with the core physical property analysis data, and the porosity interpretation model is established according to the reservoir type. The model has good correlation. The permeability of reservoir is calculated by using conventional logging data and nuclear magnetic logging data, and the interpretation accuracy of permeability is improved. Using Archie formula to calculate the saturation of water (the experimental method is used to determine the value of mong n). The 3 minute structure uses six methods to distinguish the fluid properties, of which the dual lateral logging is universal. 4 on the basis of the determination of the lower limit of reservoir physical properties, In this paper, the electrical characteristics of different effective reservoirs are evaluated, and the relationship between lithology, pore throat structure, permeability, sedimentary facies, structural location and reservoir effectiveness is analyzed. It provides an important theoretical basis for the development and production of oil fields. The completion of this paper provides a set of systematic logging evaluation technology for the Longwangmiao formation gas reservoir in Gaoshitian-Moxi area, and provides a more accurate logging basis for the next comprehensive reservoir evaluation, optimal selection and reserve calculation of the reservoir test section.
【學(xué)位授予單位】：西南石油大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：P618.13;P631.81

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本文編號：2393514