Fracturing method for supplementing stratum energy of dense oil reservoir
A technology for tight oil and fracturing, which is used in earth-moving drilling, special data processing applications, and production of fluids. The effect of replenishing formation energy
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[0048] Example 1
[0049] This embodiment provides a fracturing method for supplementing the formation energy of a tight oil reservoir. The method includes the following steps:
[0050] Step 1: Combining the characteristics of tight oil reservoirs, considering the non-Darcy flow characteristics with start-up pressure gradients, use CMG reservoir numerical simulation software to simulate the available discharge range and volume of a single fracture under subdivision cutting or complex fracture conditions The schematic diagram of the complex slit network formed by the transformation is as figure 1 Shown
[0051] Step 2: Use the theory of mechanical interference between fractures to optimize the horizontal well interval and cluster spacing for volume fracturing of tight oil reservoirs, and optimize the cluster length and perforation parameters based on the principle of current limiting fracturing;
[0052] Step 3: On the basis of the above optimization results, use CMG reservoir numerica...
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