金剛石復合片鉆頭鉆進(jìn)巖石參數及接觸方式

發(fā)布時(shí)間：

2021-12-03

金剛石復合片鉆頭鉆進(jìn)巖石參數及接觸方式
金剛石復合片鉆頭鉆進(jìn)巖石參數及接觸方式從以下兩個(gè)方面分析

在不考慮孔底巖石受力情況下，對孔底巖石做如下假設:
①巖石為均質(zhì)、各向同性材料,巖石內部無(wú)裂縫和孔隙;
2不考慮地層溫度和孔隙流體對巖石應力的影響;
③巖石模型周?chē)皫r石底部屬于遠離孔壁周?chē)糠帧?/font>
以上兩點(diǎn)便是金剛石復合片鉆頭鉆進(jìn)巖石參數及接觸方式分析。

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