Method for tracing, identifying, expanding and increasing yield of water injection dominant channel of water flooding reservoir
A dominant channel and water flooding technology, which is applied in the direction of earthwork drilling, production fluid, wellbore/well components, etc., can solve the problems of long-term measures, high cost, large investment, etc., achieve good results, low transformation cost, Effect of reducing proppant dosage
Pending Publication Date: 2021-12-21
BEIJING GEPETTO OIL TECH
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The invention discloses a method for tracing, identifying, expanding and increasing production of a water injection dominant channel of a water flooding reservoir, and belongs to the technical field of oil and gas exploitation. The problems that in the prior art, a tertiary oil recovery technology is huge in investment, long in measure time and high in cost are solved. According to the method, reservoir engineering methods such as tracing monitoring and numerical simulation are applied, and the injected water channeling layer position, the injected water channeling speed, the water injection dominant channel direction, the main seepage channel thickness and the water flooding sweep area in the high water cut period of the water injection development reservoir are accurately positioned. By means of the parameters, reservoir numerical simulation software is used for optimizing the plugging area, the plugging range and the plugging strength, and a water injection dominant channel plugging model is established to serve as the basis of water drive development reservoir profile control construction design. A comprehensive adjustment potential tapping method for profile control of a high-permeability reservoir section of a water injection well of a high-water-cut-period water injection development oil reservoir and hydraulic capacity expansion and augmented injection of a low-permeability reservoir section is adopted, the applicability is higher, the potential tapping measure effect is better, and the method is economical, environmental-friendly and easy and convenient to construct.
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Technology Topic
Construction designReservoir engineering +8
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