aquagel workover fluid system的用法和样例：
- To solve permeable loss problem in Bohai Gulf oilfield, a new oil-soluble temporary plugging agent DFA for workover fluid was worked out.
- THY temporary plugging agent is used to bridge off reservoir pore, produce borehole wall shielding zone, and then reduce leakage of workover fluid by taking oil-soluble resin as bridging - off agent.
- Strainer shall be installed where indicated on the plans to remove dirt and other debris from fluid system.
- Circulating micro-foam drilling fluid is a newly developed low density drilling fluid system in recent years.