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well cementing operation
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  固井
     External casing packer for water displacement in well cementing operation.
     用于固井清水顶替作业的套管外封隔器
短句来源
     It is difficulty to meet the demands of payzone remake for its smaller annular clearance(5.5~12.5mm),difficult well cementing operation and lower well cementing quality.
     为此提出了从改善井眼条件、套管串结构和工具附件、水泥浆性能、注水泥工艺技术措施出发提高小环空间隙井眼固井质量的观点和以下建议:①钻井液性能要满足小环空间隙井眼固井的要求;
短句来源
     With more and more oil is produced from downhole, pressure of lower formation is obviously less than that of upper formation in oilfield,and this leads to difficulty in injection production well cementing operation, specially in long cementing segment well.
     油田区域的长期开采造成了地层下部压力明显低于上部 ,给注采井固井 ,特别是长封固段注采井固井带来许多困难。
短句来源
     hat well cementing operation does damages to strata is not only of the same reasons and laws as those done by drilling fluid but also is of its special actions and mechanisms.
     固井作业对地层的损害不仅同钻井液引起的损害有相似的原因和规律,也有其特殊的作用机理和损害。
短句来源
     Casing back pressure valve plays a important role in well cementing operation as a casing accessories.
     套管回压阀作为一种简便的套管附件,在固井施工作业中起着重要作用。
短句来源
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  井固井
     With more and more oil is produced from downhole, pressure of lower formation is obviously less than that of upper formation in oilfield,and this leads to difficulty in injection production well cementing operation, specially in long cementing segment well.
     油田区域的长期开采造成了地层下部压力明显低于上部 ,给注采井固井 ,特别是长封固段注采井固井带来许多困难。
短句来源
  固井施工
     The engineering design of sidetracking through φ178mm casing window in Ren 324 1 Well is briefly introduced in this paper. The field challenges of sidetracking and successical experiment are summarized. In the meantime,the operation technical matters,including milling window,wellpath control,sidetrack operation,choosing drilling fluid system and well cementing operation are discussed.
     简单介绍了任324-斜1井178mm套管开窗侧钻的工程设计情况,分析了套管开窗侧钻井现场施工的难点和成功经验,探讨了磨铣开窗、井眼轨迹控制、侧钻作业、钻井液体系选择及固井施工等技术问题。
短句来源
     Casing back pressure valve plays a important role in well cementing operation as a casing accessories.
     套管回压阀作为一种简便的套管附件,在固井施工作业中起着重要作用。
短句来源
  “well cementing operation”译为未确定词的双语例句
     THE APPLICATION OF NATURAL ZEOLITE IN OIL GAS WELL CEMENTING OPERATION,PARTⅡ:THE REACTIVE MECHANISM OF ZEOLITE WITH OIL WELL CEMENT
     天然沸石在油气井固井中的应用之二──—沸石油井水泥水化反应机理
短句来源
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Abstract:Natural clinoptilolite can be used as an additive material in oilwell cement. A clinoptilolite oil well cement system was developed. By means of API standard methods the properties of theclinoptilolite oil well cement system are determined thatmainly include water loss, free water, rheology, density,mobility, compressive strength, thickening time. The results of testingin the laboratory show that the property indexes of theclinoptilolite oil well cement system basically meet the requirements of oil...

Abstract:Natural clinoptilolite can be used as an additive material in oilwell cement. A clinoptilolite oil well cement system was developed. By means of API standard methods the properties of theclinoptilolite oil well cement system are determined thatmainly include water loss, free water, rheology, density,mobility, compressive strength, thickening time. The results of testingin the laboratory show that the property indexes of theclinoptilolite oil well cement system basically meet the requirements of oil well cementing operation presented in APIspecification 10. The practices also show that use of the systemcan save cementing cost and improve cementing quality.

APPLICATIONOFNATURALZEOLITEINOILANDGASWELLCEMENTINGOPERATIONZhaoLi'an;ZhangNaixianandYeDanian(InstituteofGeology,ChineseAcade...

hat well cementing operation does damages to strata is not only of the same reasons and laws as those done by drilling fluid but also is of its special actions and mechanisms. The damages done by cementing fluid to the carbonate rock gas reservoirs in Chuandong Carboniferous display that oil-gas passages become narrow to plug fractures and pores, which is caused by stratigraphic mud membrances and chemical reactions as filtrate and solid perticls intrude into strain. The characteristics of the carbonate...

hat well cementing operation does damages to strata is not only of the same reasons and laws as those done by drilling fluid but also is of its special actions and mechanisms. The damages done by cementing fluid to the carbonate rock gas reservoirs in Chuandong Carboniferous display that oil-gas passages become narrow to plug fractures and pores, which is caused by stratigraphic mud membrances and chemical reactions as filtrate and solid perticls intrude into strain. The characteristics of the carbonate rock strsta in Chuandong Chrboniferous, the various damages done by cementing fluid to oil-gas reservoirs, cement additive being suitable to the well cementing of protecting oil-gas reservoirs in Chuandong. the well cementing method of protecting payzones are introduced.

固井作业对地层的损害不仅同钻井液引起的损害有相似的原因和规律,也有其特殊的作用机理和损害。水泥浆对川东石炭系碳酸盐岩气层的损害主要表现为滤液和固相颗粒侵入地层,引起地层泥膜及化学反应,堵塞裂缝和孔隙,使油、气通道面积缩小。文章介绍了川东石炭系碳酸盐岩地层的特征及固井水泥浆对油气层造成的各种伤害,并介绍了适合川东保护油气层固井的水泥外加剂、水泥外加剂配方及保护产层的固井方法等。

Thixotropic cement is a kind of cement squeeze and a special cement system appl led to channeling Prevention and loss circulation control in oil-gas fields. It has a better application prospects to solving the problems of cement slurry up flow and annular space gas channeling generally existing in well cementing operation in Chinal S oilgas fields. Based on isvestignting a lot of daal at home and abroad,the design Principle,chemical ingredients.evaluation method and field applied conditions are systematically...

Thixotropic cement is a kind of cement squeeze and a special cement system appl led to channeling Prevention and loss circulation control in oil-gas fields. It has a better application prospects to solving the problems of cement slurry up flow and annular space gas channeling generally existing in well cementing operation in Chinal S oilgas fields. Based on isvestignting a lot of daal at home and abroad,the design Principle,chemical ingredients.evaluation method and field applied conditions are systematically expounded. That the research direction of developing China's thixotropic cement is to develop the thixotropic aunts being suitable to the cement made in China and to probe a set of feasible methods of evaluating thixotropy is pointed out.

触变水泥是一种适用于油气井固井挤水泥、防止气窜和堵漏作业的特种水泥体系,对解决我国油气井固井作业中普遍存在的水泥浆上返和环空气窜等问题有较好的应用前景。文章在调研国外大量资料的前提下,对触变水泥的设计原理、化学配方、评价方法及现场应用情况做了系统的评述。还指出了我国发展触变水泥的研究方向:研制适合国产水泥的触变剂和探索一套切实可行的评价触变性的方法。

 
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