Chengdu
China
2
2025-07-15
The entities that hold a legal rights for patent applications filed by inventor Dan Xia:
Xia Dan from Chengdu, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Method for evaluating temporary plugging effect of fracturing in low-permeability oil-gas reservoir based on monitoring pressure
#2 | 2025-06-17Methods for diagnosing control effectiveness of fracture heights in hydraulic fracturing by combining monitoring pressure signals
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