core drilling

Primary research on lateral accretion with horizontal well core samples;

水平井岩心侧积夹层初探

Core Test of Profile Control and Displacemrnt by Combining Weak Gel with Microbe;

弱凝胶与微生物调驱联作技术岩心试验研究

Experimental research of the transmission characteristic of low frequency hydrodynamic oscillation in cores;

低频水力振动在岩心中的传播特性实验

This is due to the skin effect of cores.

实测的岩石压缩系数数值普遍偏高,甚至高于地层原油的压缩系数,该现象是由于岩心的表皮效应所致。

A method for determining oil and water saturations in cores by volume?_CT scanner was developed on the basis of X_ray hardening treatment,X_ray drifting correction,martix transformation of imagines and position correction of CT images with volume?_CT technology.

对CT图像进行了X射线硬化处理、X射线漂移校正、图像矩阵变换及体积CT位置校正 ,研究出用体积CT对岩心流体饱和度进行测量的技术。

The changes of relative permeability for oil phase,kro, and for water phase, krw, determined at 80℃ in oil displacement experiments on cores by formation water (FW) of Caoqiao, Shengli, and 1% solutions of anionic surfactants HD1 and HD2 in FW (HD1, HD2 solution) are investigated.

通过岩心流动实验,测定了80℃时胜利草桥某井地层水、两种磺酸盐类阴离子表面活性剂HD 1和HD 2的1%地层水溶液驱油时,油相和水相相对渗透率kro和krw的变化。