大学英语词汇短语释义解析及例句 lost circulation
释义：
lost circulation 井漏；循环液漏失
例句：
Newspapers might have lost circulation, but they haven\'tlost their readership.
报刊的发行量可能下降了，但它们的读者并没有流失。
Lost circulation is often happened during drilling in multi -fracture formation.
井漏是多裂缝地层钻井作业中经常发生的复杂情况之一。
When 0.3% - 0.5 % thixotropic regulator was added, the lost circulation material had good thixotropy.
触变调节剂使堵漏剂具有良好的触变性，其用量占主剂的0.3%- 0.5%较佳。
Therefore lost circulation has always been an urgent technical problem in the process of well drilling.
所以，井漏一直是钻井工作中亟需解决的技术难题。
Drilling risks include the risk of lost circulation, well fall risk, the risk of Wells flow, and sticking risk.
钻井风险主要包括井漏风险、井塌风险、井涌风险、卡钻风险。
According to the situation of drilling lost circulation in Zhongyuan Oilfield, a side hydraulic tool has been designed.
针对中原油田井漏的情况，设计了随钻防漏的侧向水力工具。
In the well drilling production, lost circulation has been the difficult problem which is common and difficult to avoid.
石油钻井施工中，井漏一直是常见而又难避免的问题。
In Yanchang oilfield, serious lost circulation often occur during drilling in Panlong and Zichang areas, directly affect drilling rate.
延长油矿管理局在蟠龙、子长等主生产区经常遇到严重漏失井，直接影响了钻井速度。
In the process of drilling, lost circulation can often result in serious drilling accidents, delay the period of drilling and increase the cost of drilling.
钻进过程中，井下泥浆的漏失往往导致严重的钻井事故，从而延长钻井周期，增加钻井成本。
Drilling a well in the broken carbonate strata where the pressure gradient is widely different, lost circulation is an important factor that makes the rig time losed.
在压力梯度悬殊的碳酸盐岩破碎地层中钻井，井漏是损失钻机月的重要因素。
Drilled formations are complex with unstable wall. Lost circulation, well kick, borehole collapse, diameter shrinkage, sticking and other complex situations often occur.
钻遇地层复杂，井壁稳定性差，井漏、井涌、井塌、缩径、卡钻等井下复杂情况频发；
The advantages of gas drilling are: high drilling efficiency, effectively controlling formation damage, preventing from lost circulation and adhesive drill pipe sticking.
气体钻井的优点有：钻井效率高、有效保护油气层、防止井漏和黏附卡钻。
Laboratory experiments were done on the evaluation of a composite lost circulation material (LCM) prepared by Polyacrylamide and cotton fibers on a FA Model Filter tester.
用FA型可视式中压砂床滤失仪对聚丙烯酰胺和棉纤维复合堵漏剂进行了室内试验研究。
The experiment of new lost circulation simulator has a good repeatability. The formula acquired by experiment was applied directly to the lost circulation control in field.
新型堵漏仪实验结果重复性好，所形成的配方可直接应用于现场堵漏作业。
Abnormal high pressure systems have formed in Anan Block of Erlian oilfield due to long time of water flooding, kicks, lost circulation and hole collapse are frequently encountered.
二连油田阿南区块，由于长期注水，油气层出现明显的异常高压，地层原始压力遭到破坏，造成了井涌、井塌、井漏等复杂事故。
It has obvious actions of leakproof and lost circulation in low pressure absorbent formation because of containing a lot of foam with high shear force and high structural viscosity.
由于含有大量高切力、高结构粘度的泡沫，在低压渗漏地层有显著的防漏堵漏作用。
The excel in low density oil-well cement main solution oil field low pressure, the low seepage, easy to leak the lost circulation question which in the stratum well cementation appears.
高强低密度油井水泥主要解决油田低压、低渗透、易漏失地层固井中出现的井漏问题。
This article introduced the research and application of leak resistance and sealing technology while drilling at home and abroad, and conventional method of dealing with lost circulation.
文章介绍了目前国内外随钻防漏堵漏技术的研究与应用现状及常规处理井漏的方法，针对渗透性漏失及裂缝性漏失地层特点，首次提出了基于物理法随钻防漏堵漏技术。
As well leakage accidents caused serious harm and economic loss. Domestic and foreign experts and scholars have been working on how to prevent and deal with the problems of lost circulation.
由于井漏事故造成的危害严重、经济损失巨大，国内外专家学者也一直致力于如何预防和处理井漏问题的研究。
A fourth new application was the temporary sealing of a 305-m perforated oil-producing zone to stop severe lost circulation during a workover to drill deeper and to set a liner across a new zone.
第四个新的申请被暂时封闭305米射孔产油区，以阻止严重堵漏中修井钻得更深定班轮跨越一个新的区。
This paper presents a reverse cement squeezing technique which sets the liner in the non major buried hill reservoir and then cements the liner utilizing the lost circulation in buried hill interval.
文中介绍了将尾管坐入潜山非主力油层，再利用潜山地层漏失进行反挤水泥固井。
