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因压力波动等因素的影响，普通的井下偏心堵塞器暴露出调配工作量及调配难度大、单层配水量的精度难以满足要求等问题。针对这一现状，研究开发了定量注水工艺技术──井下分注定量配水及地面定量配水配套技术。该技术应用DL-1差压式定量堵塞器实现了注水井的井下定量注水，使调配过程一次成功，大大减轻了投捞测试工作量。同时，地面自动恒流装置的应用，实现了注水井的地面分注。文中介绍了该技术的原理及现场应用情况。
Due to the influence of pressure fluctuation and other factors, the ordinary downhole eccentric plugging device exposes problems such as deployment workload and deployment difficulty, and the accuracy of single-layer water distribution can not meet the requirements. In response to this situation, research and development of quantitative water injection technology ─ ─ underground quantitative quantitative water distribution and ground quantitative water supporting technology. The technology uses DL-1 differential pressure quantitative plugging device to achieve the injection wells downhole quantitative water injection, the deployment process a success, greatly reducing the fishing fishing test workload. Meanwhile, the application of ground automatic constant current device realizes the ground injection of water injection well. The paper introduces the principle of the technology and field application.