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Reservoir Study And Development Deploy Of Damintun Depressed Shengxi Buried Hill

Posted on:2015-03-15Degree:MasterType:Thesis
Country:ChinaCandidate:M L PuFull Text:PDF
GTID:2180330431496601Subject:Geological engineering
Abstract/Summary:PDF Full Text Request
ShengXi buried hill is metamorphic fractured and lump buried hill reservoir, Metamorphic buried hill reservoir heterogeneity strong. How to effectively predict fracture distribution, looking for favorable reservoir development and efficient exploration area is a major factor restricting the development of reservoir rocks. ShengXi buried hill reported oil reserves2819.6×104t in2010, Large-scale reserves, Crack opening39μm, Crack Density19.2/m, Reserves are low-grade buried hill. The block vertical wells generally low yield, ShengXi buried hill16vertical wells only three wells for industrial oil flow in2008before. Serious heterogeneity block, large differences in productivity, Pre-test horizontal wells big difference. Fracture prediction is a worldwide problem, and more in line with the rate of fracture prediction method is only60%, severely restricts the efficient development of the block. So how to improve fracture prediction accuracy, improve horizontal drilling success rate is a major factor in the efficient development of ShengXi buried hill. The application of seismic research and innovation geostatistical method has been put into the well seismic ShengXi buried hill set of features for statistical analysis. Analysts believe that the growth and development of the fault can lead to the formation of cracks formation density changes, which presents certain features on seismic reflection, But the software fracture prediction process may shield favorable reflection characteristics, By understanding the original seismic stratigraphic features easier. Research and innovation of the hill reservoir geostatistical method of seismic fracture prediction techniques to achieve a quantitative hill fracture prediction, the prediction accuracy of80%, higher than the conventional techniques about double fracture prediction. Timely application of research results to the scene, and achieved good results. In the ShengXi buried hill web development techniques using stereo wells and seismic fracture prediction technology group characteristics were deployed to implement horizontal wells32to achieve the efficient development of10.4million tons of low-grade reserves. This method Damintun depression metamorphic buried hill exploration and development and application of proven. The first application of the guiding ideology of geostatistics prediction of crack development, combined with seismic reflection and geological seismic reflection law principles, to achieve quantitative fracture prediction, prediction techniques to improve the conventional crack fracture prediction relies on low-precision math problems in the past, significantly improve the accuracy of fracture prediction for the development and deployment of metamorphic buried hill reservoir provides a strong technical support.
Keywords/Search Tags:Metamorphic rock hill, Fracture Prediction, Earthquake geostatisticalmethod, Three-dimensional development, Horizontal wells, Gas injection
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