Geological Comprehensive Evaluation in Well Block Xinggu 1
|School||Northeast University of Petroleum|
|Course||Mineral prospecting and exploration|
|Keywords||Hydrocarbon source rock evaluation Reservoir Evaluation Chemical Kinetics Star buried hill|
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 .