【摘要】：隨著油氣田的不斷開發(fā),地質(zhì)情況、井網(wǎng)布置變得越來越復(fù)雜,為了確定井間的連通狀況,求解儲層參數(shù),干擾試井分析方法的研究引起了國內(nèi)外專家的重視。近年來隨著水平井在油氣田廣泛應(yīng)用,油氣田布井也變得更加復(fù)雜,出現(xiàn)水平井與直井、水平井與水平井聯(lián)合布井的井網(wǎng),而國內(nèi)外的干擾試井研究大多為直井與直井之間,關(guān)于水平井的多井干擾試井研究相對較少。針對這一問題,研究了水平井與直井、水平井與水平井聯(lián)合布井的干擾試井理論基礎(chǔ)和試井分析方法。按照不同布井方式及油氣藏類型的特點,建立并求解了一系列水平井聯(lián)合布井的干擾試井分析物理數(shù)學(xué)模型,繪制出各模型的理論樣版曲線,并分析了各參數(shù)對干擾試井樣版曲線的敏感性特征。研究的主要模型有：(1)直井干擾試井模型(均質(zhì)油藏、雙重介質(zhì)油藏),著重分析了井筒儲集系數(shù)、表皮系數(shù)、竄流系數(shù)、激動井與觀察井的距離等參數(shù)對樣版曲線的敏感性特征；(2)水平井與直井聯(lián)合布井干擾試井模型(均質(zhì)油藏、雙重介質(zhì)油藏),著重分析了激動井與觀察井距離、竄流系數(shù)等參數(shù)對樣版曲線的敏感性特征；(3)水平井與水平井干擾試井模型(均質(zhì)油藏),著重分析了水平井堆棧方式對樣版曲線的敏感性特征。在此基礎(chǔ)上提出了相應(yīng)的干擾試井解釋方法,然后通過對4口典型實例井進(jìn)行了試井解釋,得到了較為準(zhǔn)確可靠的解釋結(jié)果,驗證了模型的適用性。通過論文的研究,最后形成一套水平井與直井、水平井與水平井的不同布井方式的干擾試井解釋方法,為現(xiàn)場實際應(yīng)用和生產(chǎn)提供了技術(shù)理論支持。
[Abstract]:With the continuous development of oil and gas fields, the layout of well pattern becomes more and more complicated. In order to determine the connectivity between wells, solve reservoir parameters and interfere well test analysis methods, the research of well pattern arrangement has attracted the attention of experts at home and abroad. In recent years, with the wide application of horizontal wells in oil and gas fields, well distribution in oil and gas fields has become more and more complex. Horizontal wells and vertical wells, horizontal wells and horizontal wells combined to layout wells, and most of the interference well testing research at home and abroad is between straight wells and vertical wells. There is relatively little research on multi-well interference test for horizontal wells. In order to solve this problem, the interference well testing theory foundation and well test analysis method of horizontal well and vertical well, horizontal well and horizontal well are studied. According to the characteristics of different well layout modes and reservoir types, a series of physical mathematical models for interference well test analysis of horizontal wells combined with well layout are established and solved, and the theoretical sample curves of each model are drawn. The sensitivity of each parameter to interference well test curve is analyzed. The main models are as follows: (1) the interference well test model (homogeneous reservoir, dual medium reservoir), the well bore reservoir coefficient, skin coefficient, channeling coefficient are analyzed. The sensitivity of the parameters such as the distance between the excited well and the observation well to the pattern curve; (2) the interference test model of horizontal well and vertical well (homogeneous reservoir, dual medium reservoir), the distance between the excited well and the observation well is analyzed emphatically. (3) horizontal well and horizontal well interference well test model (homogeneous reservoir), the sensitivity of horizontal well stack mode to sample curve is analyzed emphatically. On this basis, the corresponding interference well test interpretation method is put forward, and then through the well test interpretation of 4 typical wells, the more accurate and reliable interpretation results are obtained, and the applicability of the model is verified. Through the research of the paper, a set of interference well test interpretation methods of horizontal well and vertical well, horizontal well and horizontal well layout are formed, which provides technical theoretical support for practical application and production in the field.
【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】：TE353

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