| Oil and gas reservoir pore structure determines its recovery ability.Thus,this study of reservoir pore structure will play a great of importance role in easing the current world energy problem.Based on the oblique incident light reflection differential technology(OIRD),with its advantages of low cost,non-contact,geomagnetic interference,this paper is carried out the OIRD characterization and evaluation of pore structure of oil and gas reservoir pore structure.The following results will be obtained:1.It was designed the oblique incident light reflection differential device for the field of the oil and gas.According to the characteristics of samples in the oil and gas fields,the device was especially designed for the aspect of the optical path,sample machine,electronic circuit and mechanical structure,increasing the development of OIRD technology application in the field of oil and gas.2.The micron grade silicon on pore structure is studied with OIRD.Through to the different aperture size punch silicon image scanning,preliminary clear and analyzes the micron level pore structure of oblique incidence light reflection corresponding differential signal characteristics.3.It studied the unconventional reservoir rock slice by use of OIRD,and analyzed the dielectric property distribution of rock slices with slit.It also confirmed that the structure characteristics of the reservoir rock could be speculated with the technology of OIRD imaging.4.It was studied activated carbon adsorption of water molecules in this process with OIRD.Combined with scanning electron microscope technology,it has been preliminary clear about the interaction between oblique incident light reflection differential signal and adsorption kinetics of the water molecules.The application of OIRD to the identification and evaluation of oil and gas reservoirs not only enriches the theoretical system of oil and gas resources exploration,but also contributes to the diversity and efficiency of oil and gas exploration. |
