Because of the use of high energy neutron and gamma ray with strong penetrability,it is able to detect signals of the active Oxygen moving with water flow through tubing,casing even cement annulus.
英
美
- 它利用具有強穿透能力的高能快中子和伽馬射線(xiàn),可穿過(guò)油管、套管甚至水泥環(huán)測得隨水流動(dòng)的活化氧伽馬信號,通過(guò)解析測得的伽馬時(shí)間譜來(lái)計算相應的水流速度,并在已知流動(dòng)截面面積時(shí)進(jìn)一步算出水流量。
