CO2 authigenic system and application
By using the ratio of main agent and composite additive in the autogenerated CO2 system, the reaction speed and gas efficiency are adjusted, and the problems of fast reaction speed, small radius of action and low agent efficiency in the prior art are solved, and higher procurement is achieved Yield and safer jobs.
CN119490836APending Publication Date: 2025-02-21CNPC BOHAI DRILLING ENG +1
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Patent Information
- Application Number
- CN202311044234.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-08-18
- Publication Date
- 2025-02-21
AI Technical Summary
Technical Problem
The existing autogenerated CO2 system has problems such as too fast reaction speed, limited radius of action, low reaction efficiency of agents, small gas volume, and high-osmotic reservoir gas traversal, making it difficult to effectively improve the recovery rate.
Method used
An autogenerated CO2 system including a main agent and a composite additive is a mixture of initiator, inhibitor and synergist. By adjusting the volume ratio and formula, the reaction speed and gas efficiency are controlled to improve the recovery rate.
Benefits of technology
The controllability of reaction speed, improvement of gas efficiency, safe and reliable operation are achieved, and the recovery rate is significantly improved, avoiding the defects of conventional CO2 injection.
✦ Generated by Eureka AI based on patent content.
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Abstract
The invention relates to a CO2 authigenic system. The CO2 authigenic system comprises a main agent and a compound additive, the compound additive is a mixture of an initiator, an inhibitor and a synergist, and the initiator, the inhibitor and the synergist form the compound additive according to the volume ratio of 1: 1: 0.3-1: 2: 0.5; the main agent and the compound additive are mixed according to the volume ratio of 1: 1-1: 1.5; the normal-pressure static corrosion rate of the autogenous CO2 system is less than or equal to 5g / (m < 2 >. H); the CO2 authigenic system disclosed by the invention is reasonable in formula, so that the gas generation reaction is more thorough, and the gas generation amount is larger; the performance of agents used in the formula is stable, and the operation safety can be effectively guaranteed.
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