The main oil layer of Grape Flower in X Oilfield has entered the late stage high-extra-high water cut, and remaining distribution is uneven, so as to ensure development effect purpose block. Based on theory fine sedimentology, sedimentation characteristics PІ1 1 PІ2 2 deposition time units were studied. Combined with sedimentary logging data meandering river delta, facies model was classified d...

Rare earth element and yttrium (REY) systematics of authigenic seep carbonates can provide insights into the physico-chemical characteristics systems allow discrimination carbonate precipitation under seawater- or porewater-dominated fluid regimes. However, care must be taken when interpreting their REY systematics, since comprise a mixture detrital silicates cement. Since concentrations trace ...