The term refers particularly to a mud sample that has experienced stagnant conditions at the bottom of the hole, including the temperature, pressure and other conditions at that depth.
这个词特指那些经过停滞状态的井底泥浆样本，包括温度、压力和这个深度的其它情况。
2
The results show that the test error of sample A with large angle coefficient of holebottom is under 5%, and will become smaller with the increase of furnace temperature;
结果表明，孔底角度系数较大的试样A的检测误差<5%，并且随着炉膛温度的提高，其检测精度也随之提高；
3
To pump the drilling fluid until a sample from the bottom of the hole reaches the surface.