The scratch test is a quasi-non-destructive method made up of pushing a tool across the
surface of a weaker rock at a given penetration depth. The unconfined compressive strength …

Methods to prevent the losses of drilling fluids involve approaches to prevent the initiation of
fractures and to inhibit the growth of any pre-existing or drilling-induced microfractures. The …

准确全面地评价页岩储层的岩石强度, 对页岩水平井井壁稳定性研究具有重要意义.
针对龙马溪组页岩储层的特性, 采用抗压法, 屈曲硬度法和刻划测试法等多种评价方法 …

基于微钻岩石可钻性试验与岩石强度刻划试验破岩机制一致性, 通过开展试验获得两种试验岩石
破碎比功的转化关系, 结合岩石PDC 钻头可钻性级值求取方法, 建立利用刻划岩石破碎比功求取 …

摘# 要# 岩石抗压强度是重要的岩石力学特性参数, 常采用在压力机上直接压坏标准试样的方式
测得. 虽然该测量方法得到了广泛的应用, 但是这些方法具有显而易见的缺点: 耗费时间长 …

The traditional drillability measurement using micro-drilling test has the limitations of time-
consuming data acquisition and low utilization efficiency of core samples. Moreover, it …

The effective flushing of a drilling fluid filter cake is crucial for improving the zone isolation of
cement sheaths during cementing operations, some studies have researched the flushing …

The integrated geomechanical process is a novel and resourceful approach that coalesces
multidisciplinary scientific fields with geomechanics to provide solutions to complex scientific …

When gravel packing wells in brine after an oil-based drill-in, filter cake strength and
permeability are important factors for successful operations. These relate to controlling fluid …

In order to study the hole stability of horizontal wells in a shale formation, it is necessary to
accurately and completely evaluate the rock strength in shale reservoirs. Based on the …