钻时变化率法及其在渤海油田砂泥岩界面判断中的应用

温海涛, 罗鹏, 王建立, 桑月浦, 夏良冰

Method of drilling time change rate and its application to judgement of sand-shale boundary in Bohai Oilfield

Haitao Wen, Peng Luo, Jianli Wang, Yuepu Sang, Liangbing Xia

表1 KL-X-1井钻时变化率计算数据

深度 m	t min·m^-1	P_R	Q _R	$\overset{ˉ}{t}$ min·m^-1
871	0.78	-0.105 4	0.174 7	0.664
872	0.71	-0.165 7	0.069 3	0.664
873	0.60	-0.015 1	-0.096 4	0.664
874	0.59	0.000 0	-0.111 4	0.664
875	0.59	0.015 1	-0.111 4	0.664
876	0.60	0.090 4	-0.096 4	0.664
877	0.66	0.015 1	-0.006 0	0.664
878	0.67	0.210 8	0.009 0	0.664
879	0.81	-0.031 2	0.219 9	0.664
880	0.61	-0.021 1	-0.081 3	0.592