而调整井具有地层压力系统复杂的特点,给固井施工带来很大难度。
But the cementing operation is very difficult because of the complicated formation pressure system.
胜利及青海油田近30口井应用表明,该双级注水泥器打开顺利、关闭可靠,能满足固井施工要求。
Application results in 30 wells of Shengli and Qinghai Oilfields show that the tool can be smoothly opened and reliably shut, meet the needs of cementing operations.
在第一项原因内,报告声称哈里·伯顿提供的固井水泥浆是由其自行设计的,他们应该认识到这种水泥浆不适合此项固井施工。
In the first act, the report claims that Halliburton supplied a cement slurry of its own devising which it should have recognised was not fit for the purpose.
由于在泡沫水泥中含有气体,其中气体参数又是温度和压力的函数,因此在固井施工设计中不能采用常规固井理论进行相关计算。
Because foamed cement has gas and the properties of gas are the function of pressure and temperature, the conventional cementing theory can not be used in cementing with foamed cement.
安徽油田连续21口井油气层固井应用表明,新方法有利于提高固井质量、确保施工安全及降低作业成本。
Cementing results in 21 wells , Anhui Oilfield show that the new method is helpful for improving cementing quality and cutting down cost.
若按照常规下套管后再注水泥,由于环形间隙小,施工难度大,难以保证固井质量。
It is difficult to guarantee the cementing quantity when using conventional cementing because narrow annulus between casings.
该技术能保证固井候凝过程中井底压力平衡,施工安全。
The technologies could ensure the well bottom pressure keeping balanced during waiting on cement and cementing safety.
针对吉林油田固井设计施工需要,河南省卫辉市化工有限公司对原有的G203进行了调整。
Based on requirements of cementing job in Jilin oilfield, Chemicals Corporation Limited in Weihui City of Henan Province made adjustment on G203, its original low density early strength additive.
陕北地区幅员辽阔,地质条件复杂多变,在固井中存在着诸多施工技术难题。
The area of North Shanxi is broad. Its geological condition is complicated and varied. Many technological problems may occur in the course of cementing well in this area.
现场应用表明,双级梯度多凝水泥浆固井技术能减少施工压力,防止压漏地层;
The slurry has been used in field and the results showed that operating pressure was reduced and formation breakdown was prevented;
室内和现场试验表明,该体系能够提高漏层的承压能力,满足钻井、固井工程施工的要求。
The tests both in lab and on site show that this system can improve the compressive strength of the lost-circulation formation and meet ther…
低密度矿渣膨润土水泥浆现场施工方便,固井质量优质率平均约80%。
The light weight BFS/bentonite cement slurry can be easily applied to oil field, with hight cementing quality of about 8000.
低密度矿渣膨润土水泥浆现场施工方便,固井质量优质率平均约80%。
The light weight BFS/bentonite cement slurry can be easily applied to oil field, with hight cementing quality of about 8000.
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