Methods13 sections of outcrop and 62 drill cores were observed and described.
方法观察描述岩石露头剖面13条，钻井岩心62口；
We use analyzed results of drill cores and median grain diameter to compute bound water saturation of formation.
利用钻井取心分析化验结果和粒度中值，计算地层束缚水饱和度。
He hopes to drill cores that date back thousands of years at the Chukchi Sea margin, providing a detailed history of interaction between oceanic currents and ice.
他希望，在楚科奇海域能钻探出几千年前的岩心，为了解海洋水流和冰之间相互作用提供详实的历史资料。
To investigate the hurricane activity of the Pliocene, the researchers relied on proxy ocean temperatures based on variations in several chemical tracers in drill cores of the ocean floor.
为了研究上新世的飓风活动情况，研究人员依靠的就代理海洋温度，这个温度是基于洋底岩芯里几种化学示踪剂变化引起的。
The hydrocarbon source rocks of coal measures developed in this basin were studied on the basis of drill cores, which involved in many fields such as geology, organic geochemistry and petrology.
根据钻井及大量的实验测试等资料，研究了侏罗系煤系烃源岩的发育特征及其有机地球化学、有机岩石学特征，表明其有机质丰度较高，达到中等-好级别； 有机质类型以Ⅲ型为主、Ⅱ型为辅；
Longer cores have to be drilled piece by piece, with the drill returning to the surface with each one.
更长的冰芯将被切割成数段，同时钻取机带上各段返回地面。
Drill several cores at different ages of the early age concrete, then measure its flexural strength, take this flexural strength as the anti-cracking limits.
对早龄期混凝土取芯，测出其弯拉强度，作为抗裂限值。
The wire-line directional drilling and coring technology can take cores and drill directionally without using down-hole motors.
绳索取心技术因其钻进效率高而广泛应用，但其无法实施定向作业。
The wire-line directional drilling and coring technology can take cores and drill directionally without using down-hole motors.
绳索取心技术因其钻进效率高而广泛应用，但其无法实施定向作业。
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