Evaluation of Biosurfactants to Preflush for Offshore Wells
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DOI: 10.1021/acsomega.4c06106
Abstract: With the improvement of environmental protection requirements in offshore oil and gas exploration, there is a great demand to find environmentally friendly surfactants for cementing preflush fluids. In the present paper, the application potential of… read more here.
Keywords: evaluation biosurfactants; biosurfactants preflush; offshore wells; mud cake ... See more keywords
A case study on TBM cutterhead temperature monitoring and mud cake formation discrimination method
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DOI: 10.1038/s41598-021-99439-x
Abstract: The mud cake is easily formed during the tunnel boring machine (TBM) excavation in clay soils or rocks containing clay minerals. Mud cake will lead to soil disturbance of tunnel face, clogging cutterhead and even… read more here.
Keywords: temperature; cake formation; cutterhead temperature; mud cake ... See more keywords
Comparison of Efficient Ways of Mud Cake Removal from Casing Surface with Traditional and New Agents
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DOI: 10.3390/en14123653
Abstract: The tightness of the casing-rock formation interface is one of the most important elements of drilling and cementing jobs. In the absence of the required tightness, there is a risk of gas migration directly to… read more here.
Keywords: removal casing; cake removal; casing surface; mud cake ... See more keywords