连续油管

二氧化碳注入试点项目采用连续油管和可回收桥塞

本文介绍了在二氧化碳注入试点项目中使用连续油管的情况，该项目旨在评估现有油田为 CCS 目的而进行的改造，并在停止碳氢化合物生产之前降低储存开发的不确定性。

图 1——RBP 回收后的状态，没有可见的损坏或变形。
图 1——RBP 回收后的状态，没有可见的损坏或变形。
来源：SPE 222569。

Greensand 项目是丹麦领先的二氧化碳封存项目，预计到 2030 年每年将封存 400 万至 800 万吨二氧化碳。近期，在丹麦北海一个枯竭且非活跃的油藏中进行了一次海上二氧化碳注入试验，以评估向现有注水井注入二氧化碳的效果。此次作业证明了使用常规干预设备和服务作为碳封存项目早期推进措施的可能性。

介绍

为了实现气候目标，丹麦将二氧化碳封存视为核心解决方案。这一愿景正通过丹麦政府支持的“绿砂项目”（Project Greensand）得以实现。项目成熟期包括一段二氧化碳实时注入的中试阶段，期间二氧化碳将由船舶分批注入。

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原文链接/JPT
Coiled tubing

Pilot Project for Carbon Dioxide Injection Uses Coiled Tubing and a Retrievable Bridge Plug

This paper describes the use of coiled tubing in a pilot project for carbon dioxide injection, enabling evaluation of the conversion of an existing oil field for CCS purposes and derisking storage-development uncertainties before having to cease hydrocarbon production.

Fig. 1—The condition of the RBP immediately after retrieval, with no visual damage or deformation.
Fig. 1—The condition of the RBP immediately after retrieval, with no visual damage or deformation.
Source: SPE 222569.

Project Greensand is Denmark’s leading CO2 sequestration project, expected to store between 4 million and 8 million metric tons of CO2 per year by 2030. An offshore CO2 injection trial in a depleted and inactive reservoir was conducted recently to evaluate the injection of CO2 into an existing water-injection well in the Danish North Sea. This operation demonstrated the possibility of using conventional intervention equipment and services as part of an early-phase enabler for a carbon-storage project.

Introduction

To meet climate objectives, Denmark acknowledges CO2 storage as a central solution. The vision for this effort is being realized through Project Greensand, backed by the Danish government. Project maturation entails a pilot test period with live CO2 injection, wherein CO2 is provided in batches by a marine vessel.

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