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- Circulating micro-foam drilling fluid is a newly developed low density drilling fluid system in recent years. 可循环微泡沫钻井液是近年国内外推出的一种新型低密度钻井液体系。
- However, it is convenient to maintain the polysulfonate oil-mixture drilling fluid system and it ... 聚磺混油钻井液体系的性能稳定、维护方便 ,值得推广应用。
- Therefore, a kind of high-density, weak-gelled, non-bentonite and oil-in-water drilling fluid system is developed. 针对这些难题，研制了一套高密度弱凝胶、无土相水包油钻井液体系。
- MMH drilling fluid system is described, its mechanism is discussed and its application is introduced in the paper. 阐述了正电胶(MMH)钻井液体系的特性，并对其机理进行了探讨，最后对它的应用情况作了详细介绍。
- Through laboratory test,the drilling fluid system for the well was selected optimally. 在分析该井技术难点的基础上,通过室内研究优选了钻井液体系。
- However, it is convenient to maintain the polysulfonate oil-mixture drilling fluid system and it is deserved to be widely used. 聚磺混油钻井液体系的性能稳定、维护方便，值得推广应用。
- A polysaccharide drilling fluid system is developed on the basis of a newly developed temperature resisting and salt tolerance viscosifer FTVS. 对该体系的抗温性、高温稳定性、抗盐性、静切力随时间的变化及配伍性进行了试验研究。
- That is, high core recovery and borehole wall stability would be mainly realized by new type fluidic coring tools and environmental protective drilling fluid system(Epm). 重点通过研制新型射流式取心钻具和环保型钻井液体系(EPM)来实现提高岩心采取率和孔壁稳定性的预期目标。
- In the drilling fluid system, main treating agents include polyalco-hol CFH-2, strong sealing agent and high temperature salt tolerant filtrate reducer OCL-PT, and so on. 聚合醇CFH-2具有可生物降解性;既能提高体系的抑制性、润滑性及储层保护性能;又可满足环保要求; 抗高温降滤失剂OCL-PT能有效地降低饱和盐水体系在高密度(2.;32g/cm。)
- Using the synergetic effect between potassium chloride and polyglycol to prepare potassium chloride/polyglycol drilling fluid system,and evaluate its performance. 利用聚合醇与氯化钾的协同增效作用,研制了氯化钾/聚合醇钻井液体系,对钻井液体系性能进行了评价。
- Power drill tool and PDC bit are used to ensure wellbore quality and penetration rate; polysulfonate potassium drilling fluid system is used to ensure downhole safety. 应用动力钻具配合高效PDC钻头钻井技术,保证了井身质量和钻井速度;应用聚磺钾盐钻井液体系及相关安全技术措施,保证了井下安全。
- The influence of polyol on water loss of the fluid loss agent was researched in the fresh water drilling fluid system and the salt water drilling fluid system. 研究了在钻井液淡水体系和盐水体系中加入聚合醇对降滤失剂滤失量的影响。
- Based on geological characteristics of Minghuazhen formation in CB 243 block,a drilling fluid system for horizontal well was selected to be suitable for this block. 根据埕北243区块明化镇组的地层特点,筛选适合该区块的水平井钻井液,并进行钻井液的油层保护评价。
- A new kind of formate/positivc-charged polyglycol drilling fluid system has been developed making full use of the coordinated effect of formate and positive-charged polyglycol. 充分利用正电聚醇和甲酸盐的协同增效作用,研制了新型甲酸盐／正电聚醇钻井液体系。
- Compared with the performance of K2SO4 drilling fluid, both of them are suitable drilling fluid system to protect low pressure and low permeable reservoirs. 通过与K2SO4钻井液性能对比表明，两种盐水体系都是保护低压、低渗储层较为理想的钻井液体系。
- Field applications in China and abroad show that this drilling fluid system can keep hole stability.It is also nonpoisonous and nonfluorescence.So it can obviously reduce dr... 国内外的现场应用表明，该钻井液具有良好的井眼稳定性，且无毒、无荧光，能显著降低钻井液成本，具有广阔的发展应用前景。
- To meet the requirements of drill-ing and preventing formation damage, organic black positive gel (BPG)-polymer-oil mixture drilling fluid system was used. 为了满足台4平1井钻井和油气层保护的需要,采用有机黑色正电胶聚合物混油钻井液。
- It proved that using different drilling fluid systems in different intervals of Tuo 30 well was suc... 结果表明，坨30井分开段选用不同钻井液体系是成功的，其中充气钻井液经受了裸眼长、井温高和定向、取心等考验。
- Based on indoor testing and formation characteristic of Liuxi area,KPAM-NPAN-SMP-BYL polymer anti-sloughing drilling fluid systems were optimized. 在室内试验的基础上,优选出了适应于该地区地层特点的KPAM-NPAN-SMP-BYL聚合物防塌钻井液体系。
- In the straight hole,the complex metallic ion polymer drilling fluid system was used.The drilling fluid filtrate was controlled well,and the formation hydrating and swelling were prevented. 该井直井段采用复合金属离子聚合物钻井液体系,较好地控制了钻井液滤失量,减少了滤液渗入地层,防止了地层水化膨胀。
