Oil sand deposits are easier to access than crude from offshore wells.
而且相比离案油井来说，含油砂沉积物相比之下更加容易获得。
The exploitation cost of oil sand has been getting lower, due to progress in technology.
随着油砂开发技术的日益成熟，油砂成本逐渐下降。
Residual oil buried in sand or sediment may resurface over time.
残余的原油深埋在沙子和沉积物中，它们可能会随时再被冲刷出来。
Sand production is an important factor, which affects oil well productivity.
出砂是影响油井生产能力的一个重要因素。
Sand production is one of the important problems in oil production.
地层出砂是石油开采遇到的重要问题之一。
The sand control of oil well pump is very important for drilling-production system.
抽油泵防砂是钻采系统防砂的一个重要环节。
Sand bodies of braided-river deltas in this region are good reservoirs of oil and gas.
辫状河三角洲砂体是重要的油气储集场所。
A porous sand layer or sand body filled with oil.
充填了油的多孔砂层或砂体。
This paper introduces the technology of the sand control and oil production in Chengdao oilfield.
针对埕岛油田的防砂采油，介绍了防砂油田的采油工艺。
Sand production is an important factor affecting productivity of oil wells.
油藏开发过程中的出砂问题是影响产能的重要因素。
Sand production is an important factor affecting productivity of oil wells.
油藏开发过程中的出砂问题是影响产能的重要因素。
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