裂縫密度 的英文怎麼說
中文拼音 [lièféngmìdù]
裂縫密度
英文
fracture density- 裂 : 裂動詞[方言] (東西的兩部分向兩旁分開) open
- 縫 : 縫名詞1. (接合處) seam 2. (縫隙) crack; crevice; fissure; slit
- 密 : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 裂縫 : 1. (裂開的縫兒) rent; rip; hiatus; tear; rift; crevice; crack; fissure 2. [地質學] fracture; rupture
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Several analysis methods such as casting slice, scanning electron microscope, porosity and permeability data, mercury injection data and density of fissures are used to study the reservoir properties of volcanic rocks in huang - yu - re area, the east sag of liaohe basin. volcanic rocks in this area are mainly composed of basalt, diabase, tuff and trachyte. the dominating type of volcanic reservoir space includes secondary solution pores and structural fissures
通過火山巖的常規物性分析壓汞分析和裂縫密度分析,結合鑄體薄片和掃描電鏡,研究了遼河油田黃于熱地區的火山巖儲層物性特徵,認為該區火山巖儲層巖石類型主要有玄武巖輝綠巖凝灰巖和粗面巖,主要儲集空間類型為次生的構造裂縫和溶蝕孔縫。They are expanding model of the bomb body, bursting model of the bomb body and motion model of the fragments. according to the models, the paper gives a detailed algorithm for the whole process of the bomb explosion. ( 7 ) based on the explosion mechanism and the stochastic characteristic of the shell, the paper advances some reasonable hypotheses and supposes that the explosion process of the shell is a markov process, thus constitutes two explosion models of the shell : the imitation model an
(刀從爆炸的機理出發,利用合理的假設,將殼體的爆炸過程處理為馬爾可夫過程,把爆炸的機理同爆炸的隨機性聯系在一起,建立了殼體爆炸的兩種模型:模擬模型和簡化模型,提出了破裂程度的倍密度函數和破裂方向的倍密度函數兩個概念,得到了基於半邊結構的虛擬殼體爆炸過程中任一條邊出現裂縫的概率公式。Directed by wave theory of fractured media, the elastic parameters of eda medium are determined in the light of hudson - fractured theory, and christoffel equation gives the formula of the phase velocity of p - wave by which, effects of velocity on behalf of kinetic characteristic and reflection coefficient on behalf of dynamical characteristic form fractured density and azimuty is discussed
本文以裂隙介質的波動理論作指導,根據hudson裂隙理論,求出eda介質的彈性參數。在此基礎上,應用christoffel方程求出的地震縱波相速度表達式,探討了裂縫密度和裂隙方位對代表波場運動學特徵的縱波速度和代表波場動力學特徵的反射系數的影響。Basically like “ adaptive approach ”, the method can control triangulation density with respect to the change of normal curvature of the surface generating a small number of triangular facets, and thiny triangles, degenerate triangles and “ cracks ” in 3d space will not occur, but the speed of the algorithm is higher than that of adaptive one
該方法基本上可以像「自適應」方法一樣,根據曲面的法曲率變化來控制三角化剖分的密度,生成的三角片數量較少,並且可以避免在三維空間產生狹長的三角形、退化三角形與「裂縫」 ,運行速度明顯比自適應方法快。Inversion of fracture density and azimuth using p - wave seismic data
利用縱波資料反演裂縫發育密度和方向The macro - mechanical properties ( the elastic constants ) of the fractured rocks can be connected with the micro - parameter of crack ( crack number density )
這個模型將微觀隨機參數(裂紋數密度)與非均勻裂縫介質的宏觀性質(彈性常數)直接聯系起來。When basement rock rupture pass through the well cross section, the fracture belts can be identified with some evidences, for example, the compensate neutron increasing and the stratum density diminishing synchronization, the dual - laterolog resistance diminishing greatly and the positive difference between the deep laterolog resistance and the shallow laterolog resistance appearing. when the compensate neutron increase, the stratum density diminishing and the dual - laterolog resistance value diminishing slightly, the fracture belts can be confirmed with the intrusive vein at high frequency in well cross section
當有基巖斷裂在井削麵上通過時,若補償中子增大與地層密度變小同步發生,雙側向測井電阻率有明顯變低並有正差異出現,則可以判別為裂縫發育帶;當補償中子增大,地層密度變小及雙側向幅度變小都不太明顯時,則可以利用井剖面中頻繁出現的侵入巖脈來確定裂縫發育段。Simultatly, based on the vaviaction of seismic signal - noise ratio, the anthor use the funtion singular method in the seismic data procesy and put forward the wavelet amplitude singular exponentid method and the wavelet power spectrum singular exponential for the fractued density detection
與此同時,將函數奇異性分析的思想引到地震信號處理中來,針對地震信號信噪比的高低,提出小波振幅奇異性指數法和小波功率譜奇異性指數法的裂縫密度檢測方法。Also, in our software, we have made the practical seismic data processing by the prediction of fractured amizuth and the fractured density, then evaluated the exactitude of the predictions by the evaluation of the assessment parauceter, and at last confirm one optimum detection methods of fractured amizuth, the wavelet difference scale filter method, and two the optimmer fractured density detection method, the wavelet amplititude singular exponential method and the wavelet power spectrum singular exponeatial method
並用自編軟體,將三種裂縫方位預測和三種裂縫密度預測用於實際地震資料處理,並用評價參數檢驗評估其正確性,最終在現有的方法中確定了最優裂縫方位檢測方法?小波變尺度濾波法和最優裂縫密度檢測法?小波振幅奇異性指數法和小波功率譜奇異性指數法。In hard strata with high matrix resistivities, it was considered that the difference between fort - nation resistivity and tight surrounding rock resistivity was caused by fractures except these factors as shaliness, pores, high salinity formation water and the other minerals
在基巖電阻率較高的硬地層中,在去除了泥質、孔隙、高礦化度地層水和其他礦物等影響因素后,地層電阻率與緻密圍巖電阻率的差異就被認為是裂縫因素引起的。The resalts of numerical simulating indicat that velosity of p - wave has gentle anisotropy in fructured media at same time, the change of fractured density and azimuty has a little effects on velosity of p - wave
其數值模擬表明,在裂隙介質中,地震縱波速度只具弱的各向異性,同時裂隙密度和裂縫方位的變化對縱波速度的影響不大。Therefore the dynamical characteristic is acted as detected parameter for fractured detection ( primary amplitude secondary frequence ). and the amplitude of mean sguare and central frequence are acted as evaluational parameter, based on the those studies, the new ideas is put forward that fractured azimuth is dected by lateral difference and fractured density is dected by vertical difference for three facters of fracture, wavelet acted as analysis tool and direction by wave field characteristic applied the multiple scale edge dectection and self - adaptive edge detection into the detection theory of seismic fractured azimuth, also put forward the wavelet different scale filter method of the fractured azimuth detection
因而,確定了主要以振幅,其次是頻率的地震波動力學特徵作為裂縫檢測的被檢參數和均方振幅和中心頻率作為檢驗檢測結果正確與否的評價參數。在上述研究基礎上,針對裂縫的三要素,提出通過橫向求異檢測裂縫方位和縱向求異檢測裂縫密度的新思想。並以小波作為分析工具,以潛山波場特徵作指導,將數字圖像處理中的多尺度邊緣檢測和自適性邊緣檢測引用到地震裂縫方位檢測中來,並提出了小波變尺度濾波法新的裂縫方位檢測法。( 3 ) we can detection the azimuth of crack growth by abnormal amplitude or the discrepancy of wave - speed. ( 4 ) we can guess whether crack contains fluids by the change of p - wave speed. second, using pore model, under press and temperature, we have studied the influences of pore density on the characteristic parameters of seismic wave
第一、利用人工裂縫模型,研究了裂縫密度、方位和張開度的變化對地震波屬性參數的影響,根據實驗結果,總結出:可利用橫波分裂的不同程度來檢測裂縫密度的高低;可利用縱橫波的振幅、主頻、衰減(或品質因子q )和主振幅的變化來檢測裂縫張開度的變化;可利用速度的差異和振幅異常來檢測裂縫發育的方向;可利用縱波速度的變化來推測裂縫中是否含流體。Along with increase of pressure, the parameters such as velocity, amplitude, main frequency and quality factor of seismic wave change big gradually, while change very weakly with the change of temperature. through testing research for artificial crack and pore model, we conclude that crack density, azimuth, opening and the change of pore have obvious influences on speed, amplitude, attenuation ( or quality factor ) and main frequency of seismic wave etc. but, seismic wave dynamic characteristics are more evident than its kinematical characteristics for the change of crack and pore parameters. therefore, it offers reliable experiment foundation for detecting crack and pore by seismic wave kinematical characteristics ( such as amplitude, attenuation and main frequency etc. )
通過對人工裂縫和孔洞模型的超聲波實驗研究,可以認為:裂縫密度、方位、張開度和孔洞密度的變化對縱橫波的速度、振幅、衰減(或品質因子q )和主頻率等參數均有明顯的影響,但裂隙參數的變化對地震波動力學特徵參數(振幅、衰減、主頻率等)的影響遠遠大於對運動學特徵參數(速度等)的影響,這為利用地震波的振幅、衰減和主頻率等屬性參數進行裂縫和孔洞特徵的檢測提供了可靠的實驗基礎。4 ) the major reservoirs are dominated by types of medium matrix - pores and developed fractures, with features of " large pores and small fissures " and " large fractures and micro pores ". statistic analysis shows that when matrix porosity is less than 5 % or fractural density lower than 1 piece per meter, the volcanic rocks are difficult to become or shape reservoirs
該區主要儲層為基質孔隙中等裂縫發育型, 「大孔小縫」或「大縫小孔」均可形成儲層,經統計分析,當基質孔隙度低於5及裂縫密度小於1條/ m的地層,不易形成儲集層。When tiie density of fractures is great, the effect of multi - fractures is similar to the single fracture with the thicknesses equating to the total thickness of multi - fractu
當裂縫密度較大時,多條裂縫的影響相當于厚度相同單條裂縫的影響;當裂縫密度較小時,多條裂縫的影響可以分辨出來。Pirected by the theory of regression analysis, we get the seismic arribute data by the moden specturm estimation and predict the fractured density by the wavelet multiple - scale regression analysis
同時在回歸分析思想指導下,通過現代譜估計提取地震屬性參數,將小波多尺度回歸法用於裂縫密度預測。But the change of reflection coefficient is three times as much as the change of velesity resulted from fractured density, which shows that dynamical characteristic of seismic wave is more sensitive to fracture than kinetic characteristic
而對于同級別的裂縫密度,反射系數的變化量是其速度變化量的3倍左右。揭示了地震波的動力學特徵比其運動學特徵對裂隙更敏感。It is proved by the result of oil test that the combination of such three parameters as the density of fissures, porosity data and permeability data can be used to evaluate the quality of reservoirs in huang - yu - re area more exactly, among which the density of fissures is the leading reference for the evaluation
實際試油結果表明裂縫密度孔隙度滲透率3個參數結合能夠較好地反映該區儲層的好壞,其中裂縫密度是評價儲層質量的主要依據。裂縫改善了火山巖的儲集性能,斷裂活動控制著儲層中裂縫的發育。The characteristic of excitation of the acoustic field is investigated for sources with various frequencies. the effects of an isotropic medium, inclined formation of different azimuth, horizontal or vertical fracture and its width or density on the propagation of the acoustic field are investigated. the fluid in borehole is also investigated
研究了聲源在不同頻率下的聲場激發特性,考察了井外介質為均勻介質、存在不同傾角的地層界面、存在水平和垂直裂縫以及裂縫寬度和密度等對井內外聲場傳播的影響以及井眼流體對井孔聲場的影響。分享友人