Glass connection, tubing constant pressure connection, single constant connection and tubing blanking plug are main tubing internal seal tool.
玻璃接头、油管定压接头、油管单向定压接头和油管堵塞器是目前各油气田使用较普遍的油管内密封工具。
The procreative blanking plug of the "Y type" pipe string has check valve function and it can conveniently for reverse circulation well cleanup.
型管柱中的生产堵塞器具有单流阀作用，可方便进行反循环洗井；
Then the flow characteristic of the constant flux blanking plug is simulated with the 20-SIM software, and it is verified by experiment on the test bench.
通过键合图仿真软件20-SIM对恒流堵塞器的流量特性进行计算机仿真分析。 最后采用专门设计的试验台对仿真结果进行试验验证。
The conventional blanking plug is difficult to meet the requirements of oilfield quantitative water injection, thereby a new blanking plug for separate layer quantitative water injection is developed.
针对常规注水堵塞器难以达到油田注水井定量注水要求的问题，研制开发出适合井下分层定量配注的定量注水堵塞器。
The conventional blanking plug is difficult to meet the requirements of oilfield quantitative water injection, thereby a new blanking plug for separate layer quantitative water injection is developed.
针对常规注水堵塞器难以达到油田注水井定量注水要求的问题，研制开发出适合井下分层定量配注的定量注水堵塞器。
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