摘要
Inheterogeneousnaturalgasreservoirs,gasisgenerallypresentassmallpatch-likepocketsembeddedinthewater-saturatedhostmatrix.Thistypeofheterogeneity,alsocalled＂patchysaturation＂,causessignificantseismicvelocitydispersionandattenuation.Toestablishtherelationbetweenseismicresponseandtypeoffluids,wedesignedarockphysicsmodelforcarbonates.First,weperformedCTscanningandanalysisofthefluiddistributioninthepartiallysaturatedrocks.Then,wepredictedthequantitativerelationbetweenthewaveresponseatdifferentfrequencyrangesandthebasiclithologicalpropertiesandporefluids.Arockphysicstemplatewasconstructedbasedonthinsectionanalysisofporestructuresandseismicinversion.ThisapproachwasappliedtothelimestonegasreservoirsoftherightbankblockoftheAmuDaryaRiver.Basedonpoststackwaveimpedanceandprestackelasticparameterinversions,theseismicdatawereusedtoestimaterockporosityandgassaturation.Themodelresultswerein~ooda~reementwiththeproductionregimeofthewells.
出版日期
2014年01月11日（中国期刊网平台首次上网日期，不代表论文的发表时间）
