岩基、岩盖、岩堤、岩席等火成的侵入物向表层岩石推进，并在入侵过程中结晶。
Igneous intrusions such as batholiths, laccoliths, dikes, and sills, push upwards into the overlying rock, and crystallize as they intrude.
方法采用常规三轴岩石强度试验装置，进行井下温度压力条件下的泥浆侵入过程模拟试验。
Method Mud invasion process is simulated with conventional three axis rock strength test device under same downhole pressure and temperature.
在一般条件下（如一次采油、二次采油、侵入时）流体流经岩石时不能移动的原油。
Oil that does not move when fluids are flowed through the rock in normal conditions, for example primary and secondary recovery, and invasion.
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