Vu, M.H., Le, V.Q., Vu, D.U. and Pham Hong Son 2017. Predicting water influx for gas production wells of Lan Tay field using material balance method. Petrovietnam Journal. 1, (Jan. 2017), 33 - 37. DOI:https://doi.org/10.25073/petrovietnam journal.v1i0.98.