Research Progresson Theory and Technology of Shale Oil and Gas Geo-engineering Integration
Geo-engineering integration is the inevitable path to realizing profitable development of complex and unconventional oil and gas reservoirs in China,necessitating a transition from concept to methodology to better facilitate targeted,adaptive,and innovative theoretical and technological exploration and application.Following the principle of system engineering,according to the development concept of maximizing recovery under the acceptable benefit index of the whole life cycle,a series of studies were conducted,such as geofluid kinetics model,high-resolution fracture characterization method and technology,intelligent well layout method through 3-dimensional development,high-resolution rock mechanics property measurement and modeling,ultra-large true triaxial fracturing simulation experimental system,proactive utilization and regulation mechanism of spatial stressfield,shale oil flowability mechanism and evaluation method,and key materials for shale oil fracturing and enhanced oil recovery integration.By closely integrating theory with field application,this paper proposes that the complex fabrics and strong heterogeneity of rocks serve as the natural foundations for forming complex fracture networks,and introduces theoretical insights and innovative ideas such as"structure-driven,multi-factor"three-dimensional development.These findings demonstrate the feasibility and necessity of transforming geo-engineering Integration from concept to methodology,emphasizing the pivotal role of dialectical and divergent thinking in driving theoretical innovation and technological breakthroughs.The research outcomes presented in this paper can provide new ideas for the profitable development of shale oil and gas in China.
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