To solve permeable loss problem in Bohai Gulf oilfield, a new oil-soluble temporary plugging agent DFA for workoverfluid was worked out.
为解决渤海湾海上油田渗透性漏失“能堵不能解”的技术难题，研制出新型油溶性暂堵剂DFA。
2
The methods and techniques are used to calculate the pore pressure and filtration velocity of pore fluid from the formation that workover will be conducted in Daqing Oilfield.