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- Title
Research and Application of Chemical Plugging Technology for Shallow Casing Damage in Offshore Oilfield.
- Authors
Lou Chao; Cai Wanjie; Liu Hongjuan
- Abstract
Shallow casing damage not only affects the long-term stable production of oil wells, but also results in potential safety hazards. For offshore oil fields, it can even cause serious environmental risks. In response to this problem, a novel chemical plugging agent is successfully developed. The chemical plugging agent can form a relatively denser grid structure with a certain strength, strong retention, adjustable initial setting time. According to the characteristics of offshore oilfields, the operation process has been formed. This novel chemical plugging agent is successfully applied for the first time in a shallow casing-damaged well in Bohai J Oilfield and the retested cementing quality is excellent, which has laid a solid foundation for the well to resume production and has broad application value.
- Publication
Coatings & Protection / Tuceng yu Fanghu, 2021, Vol 42, Issue 10, p24
- ISSN
2096-8639
- Publication type
Article