A group of mud additives specifically designed to lower the volume of filtrate that passes through a filter medium.
降低泥浆通过渗透介质时的滤失量的一种特殊泥浆添加剂。
A particularly difficult set of well conditions that may detrimentally affect steel, elastomers, mud additives, electronics, or tools and tool components.
特别困难的井眼条件，可能会有害地影响钢材、合成橡胶、泥浆添加剂、电子产品、或者工具和工具部件。
While several types of hoppers exist, they generally have a high velocity stream of mud going through them and a means of mixing either dry or liquid mud additives into the whole mud stream.
有许多不同类型的漏斗搅拌器，通常这些漏斗搅拌器都有高速泥浆流经其间，并混合干或湿的泥浆添加剂到整个泥浆系统中。
It is shown that great progress has been made in recent years. The classification method of unstable wellbore formation, total consumption of mud additives in China onshore oil fields are given.
指出在近几年上述几方面都取得了长足的进步，还分别按处理剂种类、处理荆原材料种类分析了中国陆上石油工业使用的处理剂种类和消耗总量。
Non-pollution roasting technology by using sodium carbonate, calcium oxide, red mud and lime mud as roasting additives for extraction of vanadium from siliceous navajoite was studied.
采用氧化焙烧法研究了无污染的焙烧添加剂碳酸钠、氧化钙、红泥和苛化泥从硅质岩钒矿中提取钒的焙烧工艺。
Lignin derivatives can be used as additives to drilling mud, plugging agents, mobility control agents and sacrificial agents in surfactant flooding.
木质素的衍生物可作为泥浆处理剂、堵水剂、调剖剂、增粘剂、表面活性剂驱油的牺牲剂。
Since the purpose is to minimize alteration, a fresh core has often been drilled with a bland mud, either water - or oil-base, but with a minimum of chemical additives and weighting material.
其目的是为了将岩心的变化降到最低，通常用泥浆或水基、油基泥浆钻取岩心，但是使用少量的化学添加剂和加重物质。
Since the purpose is to minimize alteration, a fresh core has often been drilled with a bland mud, either water - or oil-base, but with a minimum of chemical additives and weighting material.
其目的是为了将岩心的变化降到最低，通常用泥浆或水基、油基泥浆钻取岩心，但是使用少量的化学添加剂和加重物质。
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