River channel sand oiliness evaluation method

River channel sand oiliness evaluation method

The invention provides a river channel sand oiliness evaluation method comprising the steps as follows: step 1, making conjoint analysis of the structural setting and fracture features, and selecting a research zone; step 2, making reservoir-cap combined analysis in the selected research zone to det...

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Bibliographische Detailangaben
Hauptverfasser: JIANG RUIBO, MA LICHI, LIU JU, ZHANG SHENG, GUO YUXIN, XIONG WEI, ZHAO MEISONG, ZHUANG MEI, YANG GUILI, XIN YE, WANG YONGSHI, XU HAOQING, BI JUNFENG, MA KUIYONG, WANG CHAN, LIU JING, WANG YALIN, JING ANYU
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES
PHYSICS
SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:The invention provides a river channel sand oiliness evaluation method comprising the steps as follows: step 1, making conjoint analysis of the structural setting and fracture features, and selecting a research zone; step 2, making reservoir-cap combined analysis in the selected research zone to determine the main oil-bearing series, and making fault activity conjoint analysis; step 3, characterizing the structural ridge in the determined main oil-bearing series to indicate the dominant path for oil and gas migration; step 4, applying a fluid test method under different lithological combination conditions; and step 5, classifying sand bodies and comprehensively evaluating the oiliness. According to the river channel sand oiliness evaluation method, the oiliness is evaluated scientifically and reasonably through comprehensive analysis of various factors, the multiplicity of solution is reduced, a favorable target is provided for well placement, and efficient offshore exploration is realized.