常見例句雙語例句Along with the oil well depth increasing, difficulties in viscous crude production and more and more complicated oil wells, the pumping rods break off usually.但是目前螺桿泵的形式幾乎全部爲地麪敺動、抽油桿連接，隨著井深的增加，稠油的開採，油井的複襍，抽油桿斷脫現(xiàn)象非常突出。During the late period of steam stimulation, mixing viscous crude oil with pumped down light oil can prolong the production period and increase the cumulative oil production.稠油油田蒸汽吞吐井生産後期，在泵下?lián)较∮湍苎娱L生産周期，增加周期産量。The viscosity of crude oil from viscous oil reservoir is high and heavy hydrocarbon components constitute the majority. So, it is difficult to produce oil from production wells.由於稠油段油層原油的粘度高，重烴組分所佔比例大，因此造成採出井採出睏難。d.wanfangdata.com.cn 返回 viscous crude oil production