1) downhole chemical injection
井下注剂
1.
Development of running and pulling device of small-diameter pipe for downhole chemical injection;
井下注剂用小直径管起下装置的研制
2) water injection enhancement agents
注水井增注剂
3) Underground curtain grouting
井下帷幕注浆
4) downhole injection system
井下注入系统
5) Injection Profile Modificator
注水井调剖剂
6) bactericide for injection water well
注水井杀菌剂
补充资料：下注
1.向下流泻。
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