Dissertation > Astronomy,Earth Sciences > Geology > Of ore deposits > Deposit classification > Fuel deposits > Oil, natural gas

Geological Comprehensive Evaluation in Well Block Xinggu 1

Author LiuChunYang
Tutor LuShuangFang
School Northeast University of Petroleum
Course Mineral prospecting and exploration
Keywords Hydrocarbon source rock evaluation Reservoir Evaluation Chemical Kinetics Star buried hill
CLC P618.13
Type Master's thesis
Year 2011
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Star ancient wells of Jilin Oilfield Company deployed in the the Yitong Basin five-star buried hill on the wildcat , the purpose is to implement the the star buried hill hydrocarbon situation . Drilling results reveal in the shallow Wanchang group formations found within the reservoir, bedrock defeat . The geological comprehensive evaluation should focus on to find the reasons for the defeat of the wells in the target layer , to provide guidance on the lower part of the exploration area . Geological evaluation of this article in this region is in the collection of the results of previous studies , systematic sampling and analysis laboratory based on the completion of the evaluation of the basic geological conditions , qualitative and quantitative evaluation of hydrocarbon source rocks , reservoir evaluation , assessing the caprock , the final completion analysis of reservoir conditions and key controlling factors . Qualitative evaluation of source rocks consist primarily of organic matter abundance , type and maturity of three ; quantitative evaluation of the amount of hydrocarbon generation and expulsion of source rocks in the study area . The the bedrock matrix physical properties of poorly characterized for the wells drilled reservoir evaluation focuses on the crack development characteristics , refer to the relevant standards , given the results of the evaluation . Caprock evaluation from both macro and micro aspects to start , how to focus on the study area caprock conditions . Based on the above contents , eventually pointed out plenty of oil source , better structural conditions favorable migration pathways is the main controlling factors of hydrocarbon reservoirs of the study area . Study the formation of a chemical kinetic method for quantitative evaluation technique of hydrocarbon source rocks and bedrock reservoir evaluation technology features technological achievements , these techniques for objective evaluation of the pros and cons of the source rock , reservoir properties of good and bad has provided a guarantee . The analysis finalized CAPROCK poor , poor storage conditions , the main reason for the defeat within the bedrock of the well , and suggested that the area deep exploration should consider the caprock factors .

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