碳中和愿景下页岩气压裂返排液处理技术思考

Thinking on Shale Gas Fracturing Flowback Fluid Treatment Technology under Carbon Neutral Vision

董沅武 荣家洛 李晓煜 唐善法

DONG Yuanwu RONG Jialuo LI Xiaoyu TANG Shanfa

随着中国碳中和目标的推进，石油领域作为碳排放大户，面临着较大的碳减排压力。以页岩气压裂返排液低碳处理为目标，分析了页岩气压裂返排液水质特点及潜在影响，介绍了现有处理技术及原理，指出页岩气压裂返排液处理应从减少污染物排放总量、能源回收与利用、节能降耗3个方面着手，应大力发展和推广少水或无水压裂技术、清洁压裂液工艺技术、新型微生物处理技术、压裂返排液节能处理技术、新能源替代技术、智能设备节能技术在油气田开发过程中的应用，以确保页岩气的合理开发与可持续发展。

With the development of carbon neutral goals in China，petroleum is facing a lot of pressure to reduce carbon emission. Taking low carbon treatment of shale gas fracturing fluid flowback as the goal，the characteristics and potential impact on water quality of shale gas fracturing fluid flowback were analyzed. The existing processing technology and principle were introduced. It was pointed out that the shale gas fracturing fluid flowback process should proceed from three aspects，such as reducing the pollutant emissions，energy recovery and utilization，saving energy and reducing consumption. Furthermore，it was suggested that these technologies，such as less or no water fracturing technology，clean fracturing fluid technology，new microbial treatment technology，energy saving treatment technology of fracturing flowback fluid，new energy replacement technology and energy saving technology of intelligent equipment，should be vigorously developed and promoted in the development of oil and gas fields， which ensured the reasonable development and sustainable development of shale gas.

10.19346/j.cnki.1000-4092.2023.03.023