Yu Xia1, Jian Guan4, Yong Gao5, Shanfa Tang1,2,3,*, Jialuo Rong1
FDMP-Fluid Dynamics & Materials Processing, Vol.19, No.6, pp. 1609-1622, 2023, DOI:10.32604/fdmp.2023.025263
- 30 January 2023
Abstract The ash mudstone in some oil formations is highly water-sensitive. The oil formation is fractured, and the risk of
well leakage and collapse is not negligible. This study presents a countermeasure for well collapse prevention,
based on a “force-chemistry synergistic balance” approach and the utilization of environmentally friendly and
efficient hydration inhibitors. The relevance of this approach is demonstrated considering a drilling fluid system
with the high potassium content. The analysis shows that the system can maintain good rheological properties,
filtration loss and suspension stability even after aging at 130°C for 16 h. The primary More >
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