本文選題：井震結(jié)合 + 孔隙度反演　； 參考：《成都理工大學(xué)》2015年碩士論文

【摘要】：HX氣田經(jīng)過(guò)多輪的勘探工作,縱向上由淺至深發(fā)現(xiàn)了侏羅系沙溪廟組、三疊系雷口坡組、嘉陵江組等多個(gè)含油氣層系。自1978年8月B51井在須四段測(cè)試獲得日產(chǎn)天然氣0.433萬(wàn)方,有良好的油氣顯示,從B51井開(kāi)始發(fā)現(xiàn)了HX氣田須四段氣層,拉開(kāi)了對(duì)須四段氣藏勘探研究的序幕。為進(jìn)一步查清HX構(gòu)造須四段的儲(chǔ)層平面分布,對(duì)HX構(gòu)造結(jié)合現(xiàn)有的鉆、測(cè)井資料及下古生界的研究成果作層位標(biāo)定和進(jìn)行儲(chǔ)層地震預(yù)測(cè),從而得到該地區(qū)須四段的構(gòu)造成果。首先,對(duì)HX構(gòu)造現(xiàn)有的測(cè)井資料、地質(zhì)成果以及地震數(shù)據(jù)等資料進(jìn)行綜合分析評(píng)價(jià),對(duì)該區(qū)的三維地震資料進(jìn)行精細(xì)的對(duì)比解釋,并對(duì)測(cè)井資料提供的儲(chǔ)層段響應(yīng)特征進(jìn)行合成記錄精細(xì)標(biāo)定,將合成地震記錄與井旁地震道進(jìn)行匹配,從而建立HX氣田須四段儲(chǔ)層的地球物理響應(yīng)特征。然后,對(duì)須四段儲(chǔ)層段的測(cè)井資料進(jìn)行分析解釋,深入分析油藏巖性、物性、電性、含油性特征及儲(chǔ)層四性間的相互關(guān)系,充分了解HX氣田須四段儲(chǔ)層段的測(cè)井響應(yīng)特征模式。其次,通過(guò)井震結(jié)合的方法精細(xì)分析B123、B126、B127等井的地質(zhì)、測(cè)井和地震響應(yīng)特征,并通過(guò)自然伽馬反演和速度反演的方法,得到須四段儲(chǔ)層預(yù)測(cè)厚度的分布情況；通過(guò)對(duì)屬性分析和孔隙度反演處理結(jié)果的精細(xì)分析,預(yù)測(cè)須四段有效儲(chǔ)層分布和含油氣分布。最后,在HX氣田利用基于彌散、粘滯型波動(dòng)方程的油氣檢測(cè)、Spectra地震頻譜天然氣檢測(cè)、基于雙相介質(zhì)Boit理論的含油氣豐度檢測(cè)和PANGEA公司的油氣地質(zhì)綜合預(yù)測(cè)系統(tǒng)(Multi-D InterpretationTM簡(jiǎn)稱MDI)進(jìn)行油氣檢測(cè)研究,完成了須四段油氣富集程度預(yù)測(cè)圖和多屬性預(yù)測(cè)油氣強(qiáng)度圖。研究表明,油氣儲(chǔ)集能力可以通過(guò)儲(chǔ)層品質(zhì)、油氣存儲(chǔ)空間和油氣富集程度三個(gè)評(píng)價(jià)指標(biāo)得以體現(xiàn),三個(gè)指標(biāo)的值越大則表明油氣儲(chǔ)集的能力越強(qiáng)；油氣散失程度可以從油氣滲透能力值的大小得以體現(xiàn),其值越小則該區(qū)的油氣散失程度越小,油氣的保存能力更強(qiáng),為該區(qū)的油氣檢測(cè)做了探索性研究。
[Abstract]:After many rounds of exploration work in HX gas field, many oil-bearing gas formations, such as Shaximiao formation of Jurassic system, Lekoupo formation of Triassic system and Jialingjiang formation, have been discovered from shallow to deep longitudinally. Since August 1978, when well B51 was tested in the fourth member of Xuzhou formation to obtain 0.433 square gas per day, there is a good oil and gas display. From well B51, the gas formation of the fourth member of the HX gas field has been discovered, and the prelude to the exploration and study of the gas reservoir of the fourth member of the formation has been opened. In order to further ascertain the reservoir plane distribution of the fourth member of the HX structure, the formation calibration and seismic prediction of the reservoir are made for the HX structure combined with the existing drilling, logging data and the research results of the lower Paleozoic, and the structural results of the four member must be obtained in this area. First of all, the existing logging data, geological results and seismic data of HX structure are comprehensively analyzed and evaluated, and the 3D seismic data in this area are carefully compared and interpreted. The response characteristics of reservoir section provided by logging data are calibrated by synthetic records, and the synthetic seismic records are matched with the seismic traces around the wells, thus the geophysical response characteristics of the reservoir in the fourth member of the HX gas field are established. Then, the logging data of the fourth member of Xuzhou formation are analyzed and interpreted, and the relationship between lithology, physical property, electrical property, oil-bearing property and the four properties of the reservoir is analyzed in depth, and the logging response model of the fourth member of the HX gas field is fully understood. Secondly, the geological, logging and seismic response characteristics of well B123, B126B127 and so on are analyzed in detail by combining well and earthquake, and the distribution of the predicted thickness of reservoir in the fourth member of Xuzhou formation is obtained by natural gamma inversion and velocity inversion. The effective reservoir distribution and oil and gas distribution of the four segments are predicted by analyzing the attribute analysis and the result of porosity inversion processing. Finally, in HX gas field, oil and gas detection based on dispersive, viscous wave equation is used to detect natural gas in Spectra seismic spectrum. Oil and gas abundance detection based on Boit theory of dual phase medium and multi-D InterpretationTM (Multi-D InterpretationTM), a comprehensive oil and gas geological prediction system of PANGEA Company, are studied. The hydrocarbon enrichment degree prediction map and multi-attribute prediction intensity map of Xuzhou four member oil and gas are completed. The results show that the oil and gas reservoir capacity can be reflected by the reservoir quality, the storage space and the degree of oil and gas enrichment. The larger the value of the three indexes is, the stronger the oil and gas accumulation capacity is. The degree of oil and gas loss can be reflected by the value of oil and gas permeability. The smaller the value, the smaller the degree of oil and gas loss and the stronger the ability of oil and gas preservation.
【學(xué)位授予單位】：成都理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：P618.13;P631.4

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