3.1.3 溶氧浓度的检测（略） 溶氧浓度的检测方法有三种： （1）导管法（tubing method） （2）质谱电极法 （3）电化学检测器 其中电化学电极是目前应用最广的氧电极。
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open ended tubing method 开口油管作业法
dumas tubing method 直接杜马法
COILED TUBING METHOD 连续油管办法
open-ended tubing squeeze method 敞口油管挤注法
through tubing crossover method 过油管转换充填法
A measuring method combining main magnetic flux and magnetic flux leakage for approaching the residual wall thickness of the oil well tubing in-service was presented.
提出采用主磁通与漏磁通相结合的方法检测在用油管剩余壁厚的方法。
The direct current demagnetization method was selected to this auto-inspection line of tubing.
针对油管漏磁自动检测过程中的剩磁，选用了直流退磁方法进行退磁处理。
To solve severe wax troubles in oil production Wells at Shenyang oil fields, Liaohe, a paraffin control method by using polyurethane coated tubing (PUCT) is developed.
沈阳油田各区块油井结蜡严重，为此开发了聚氨酯涂层油管防蜡法。
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