本文選題：陣列聲波　切入點：彈性模量　出處：《長江大學》2015年碩士論文

【摘要】：5700陣列聲波測井有四種測量方式,分別為縱波測量、單級發(fā)射測量、偶極發(fā)射測量、交叉發(fā)射測量。一次測井可提供巖石的縱波、橫波時差,低速度層快橫波、慢橫波時差。對巖石力學性質(zhì)研究提供了較為完整的資料。論文對某區(qū)塊砂巖地質(zhì)特征,儲層特征及測井響應特征進行了詳細分析,認為該區(qū)塊砂巖屬于低孔隙度、低滲透率儲層,為了獲得更高油氣產(chǎn)量,對這類儲層需要進行壓裂改造。根據(jù)5700陣列聲波資料,結(jié)合巖石物理模型,對巖石彈性進行了分析研究。利用測井數(shù)據(jù)分別計算了不同井、不同層位的泊松比、楊氏模量、體積模量及巖石強度參數(shù)。泊松比呈低值,楊氏模量高值,說明巖石彈性特性好,便于壓裂改造,利用快橫波、慢橫波時差估算了地層各向異性。當快橫波時差和慢橫波時差接近時,反映巖石是各向同性介質(zhì)；當快慢橫波時差有差異,巖石是各向異性介質(zhì),引起這種差異原因是裂縫的存在,造成橫波分裂。根據(jù)縱橫波時差比值識別氣層,縱波時差與巖石含氣量有關(guān),隨含氣飽和度增加,縱波時差增加,縱波時差與氣有關(guān)；橫波時差隨含氣量增加基本不變�？v橫波時差比降低。通過幾口井的計算和分析,結(jié)果表明,利用5700陣列聲波資料計算得到巖石的彈性模量及其它參數(shù),能夠很好反映巖石的物理性質(zhì)。同等地質(zhì)條件下,破裂壓力卻大,越不易壓開,相反,越易壓開。對地層破裂壓力的預測、對于油氣井的安全快速鉆進、完井、以及油氣井的壓裂增產(chǎn)措施都有很重要的意義。
[Abstract]:5700 array acoustic logging has four measuring methods: longitudinal wave measurement, single stage emission measurement, dipole emission measurement and cross emission measurement.A single log can provide rock longitudinal wave, shear wave time difference, low velocity layer fast shear wave, slow shear wave time difference.More complete data are provided for the study of rock mechanical properties.In this paper, the geological characteristics, reservoir characteristics and logging response characteristics of sandstone in a certain block are analyzed in detail. It is considered that the sandstone in this block belongs to low porosity and low permeability reservoir, in order to obtain higher oil and gas production,Fracturing is necessary for this kind of reservoir.Based on 5700 array acoustic data and rock physical model, rock elasticity is analyzed and studied.The Poisson's ratio, Young's modulus, volume modulus and rock strength parameters of different wells and different layers were calculated by using logging data.Poisson's ratio is low and Young's modulus is high, which shows that rock has good elastic properties and is convenient for fracturing. The formation anisotropy is estimated by using fast shear wave and slow shear wave time difference.When the fast shear wave time difference and the slow shear wave time difference approach, the rock is an isotropic medium, and when the fast and slow shear wave time difference is different, the rock is an anisotropic medium, which is caused by the existence of cracks and the shear wave splitting.According to the ratio of P-S wave moveout, the P-wave moveout is related to the gas content of rock, with the increase of gas saturation, the P-wave moveout increases, the P-wave moveout is related to gas, and the S-wave moveout is basically unchanged with the increase of gas content.The time difference ratio of P-S wave is reduced.Through the calculation and analysis of several wells, the results show that the elastic modulus and other parameters of rock can be calculated by using 5700 array acoustic data, which can well reflect the physical properties of rock.Under the same geological conditions, the fracture pressure is greater, the harder to open, the easier to open.The prediction of formation fracture pressure is of great significance for safe and rapid drilling, completion and fracturing of oil and gas wells.
【學位授予單位】：長江大學
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：P631.81;P618.13

【相似文獻】

相關(guān)期刊論文 前10條

1 羅寧;2趙佐安;;井旁有效裂縫的陣列聲波識別方法[J];天然氣工業(yè);2007年09期

2 Michael J.Jones;Tai P.Ng;張松揚;;根據(jù)水平井中的陣列聲波波形檢測反射能量[J];國外地質(zhì)勘探技術(shù);1991年Z1期

3 胡紅;羅寧;李聯(lián)新;;陣列聲波資料在測井解釋中的應用[J];巖性油氣藏;2008年02期

4 劉曉虹;劉俊;熊孝云;李歡;;多極子陣列聲波成像測井系統(tǒng)[J];中國礦業(yè);2009年11期

5 馬強;陳建清;黃家勝;;正交偶極子陣列聲波資料在江蘇探區(qū)儲層評價中的地質(zhì)應用[J];復雜油氣藏;2009年04期

6 王海云;張輝;;陣列聲波的精細解釋與工程應用[J];國外測井技術(shù);2012年01期

7 劉勇;邵高平;張鵬;;正交偶極子陣列聲波數(shù)據(jù)采集與處理[J];測井技術(shù);2008年04期

8 鮑文輝;劉永民;甄文華;;5700成像系統(tǒng)典型故障分析與解決[J];石油儀器;2006年06期

9 王貞;湯昌晟;謝剛;;利用陣列聲波資料計算飽和度探析[J];重慶科技學院學報(自然科學版);2012年05期

10 辛鵬來;王東;陳浩;張海瀾;王秀明;;多極子陣列聲波成像測井技術(shù)研究[J];應用聲學;2013年04期

相關(guān)重要報紙文章 前1條

1 通訊員 趙曉波　高敏;“陣列聲波處理解釋軟件”通過技術(shù)評估[N];中國石油報;2009年

相關(guān)碩士學位論文 前4條

1 張娜;5700聲波測井資料在某區(qū)塊砂巖中的應用研究[D];長江大學;2015年

2 張嘉偉;陣列聲波測井數(shù)據(jù)采集與處理系統(tǒng)設計[D];電子科技大學;2007年

3 陳博濤;EMD分解聯(lián)合時頻分析在陣列聲波信號中的應用[D];吉林大學;2010年

4 李曉春;HHT在陣列聲波信號處理中的應用[D];吉林大學;2009年

，

本文編號：1683292