1.1 本规程涵盖了进行现场岩芯注水试验的程序，以确定地下注水的过滤和化学处理要求。 2. , 3. 1.2 本规程适用于水处理、二次采油和强化采油项目，并适用于所有溶解固体总含量范围的注入水。 1.3 以国际单位制表示的数值应视为标准值。括号中给出的值是英寸-磅单位的数学转换，仅供参考，不被视为标准值。 1.4 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全、健康和环境实践，并确定监管限制的适用性。 1.5 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。 ====意义和用途====== 5.1 水的注入能力最好通过尽可能靠近油井的测量来确定，以尽量减少由于空气接触和时间引起的水性质变化。本规程描述了如何在油井附近进行岩心流动测试。 5.2 这种做法允许将渗透性损失与水和岩石的化学相互作用的影响以及悬浮固体堵塞的影响区分开来。该程序可用于估计全尺寸注入项目的化学和过滤要求。 5.3 将测试结果应用于注入井需要考虑测试岩心的选择和几何效应。 5.4 上述做法假设水中不含游离油或其他不混溶碳氢化合物。如果存在游离油，则需要修改该方法，以考虑测试岩心中的含油饱和度对水渗透率的影响。

1.1 This practice covers a procedure for conducting on-site core flood tests to determine the filtration and chemical treatment requirements for subsurface injection of water. 2 , 3 1.2 This practice applies to water disposal, secondary recovery, and enhanced oil recovery projects and is applicable to injection waters with all ranges of total dissolved solids contents. 1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. ====== Significance And Use ====== 5.1 The injectivity of a water is best determined by measurements as near to the well as possible to minimize changes in water properties due to air contact and time. This practice describes how core flow tests are carried out near the well. 5.2 This practice permits the differentiation of permeability losses from the effects of chemical interaction of water and rock and from the effects of plugging by suspended solids. The procedure can be utilized to estimate the chemical and filtration requirements for the full-scale injection project. 5.3 Application of the test results to injection wells requires consideration of test core selection and geometry effects. 5.4 This practice as described assumes that the water does not contain free oil or other immiscible hydrocarbons. The presence of free oil would require the method to be modified to account for the effect of oil saturation in the test cores on the water permeability.