| 环保型易脱稳钻井液技术 |
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| 引用本文： | 蒋卓,曹砚锋,王荐,邢希金,舒福昌,向兴金. 环保型易脱稳钻井液技术[J]. 钻井液与完井液, 2020, 37(2): 180-184. DOI: 10.3969/j.issn.1001-5620.2020.02.008 |
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| 作者姓名： | 蒋卓 曹砚锋 王荐 邢希金 舒福昌 向兴金 |
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| 作者单位： | 1. 湖北省油田化学产业技术研究院, 湖北荆州 434000; |
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| 基金项目： | 国家科技重大专项课题“海上稠油油田高效开发钻采技术”（2016ZX05025-002） |
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| 摘 要： | 随着环保形势越来越严峻，海上油田对废弃钻井液的处理从开始的"限制排放"逐步演变为"零排放"，导致废弃钻井液回收量急剧增多，严重影响海上油田开发的经济性。对此，室内对废弃钻井液的胶体稳定性进行了研究，从钻井液体系源头控制和末端处理相结合出发，构建了环保型易脱稳钻井液体系和生化处理技术，通过提高废弃钻井液固液分离效率，减少废弃钻井液的处理量，来解决目前"零排放"问题。
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| 关 键 词： | 微纳米材料 零排放 减量化 易脱稳 |
| 收稿时间： | 2020-01-05 |
Study on Environmentally Friendly Easy-to-destabilize Drilling Fluid Technology |
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| Affiliation: | 1. Hubei Oilfield Chemical Industry Technology Research Institute, Jinzhou, Hubei 434000;2. CNOOC Research Institute Co., Ltd., Beijing 100028;3. State Key Laboratory for the Efficient Development of Offshore Oil, Beijing 100028 |
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| Abstract: | The discharge of waste drilling fluids in offshore drilling operations has in recent years gradually become "zero discharge" from "limited discharge" implemented originally because of the stricter requirement of environment protection. This has resulted in sharp increase in the amount of waste drilling fluids recycled, which in turn badly affect reduced the cost efficiency of offshore petroleum development. A laboratory study was performed on the colloidal stability of the waste drilling fluids, and by combining the source control and terminal treatment, an environmentally friendly easy-to-destabilize drilling fluid and a biochemical treatment technology were developed. "Zero discharge" of waste drilling fluids in offshore drilling can be realized by decreasing the amount of waste drilling fluids to be treated through increasing the efficiency of solids-liquids separation of the waste drilling fluids. |
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