| Geological Publishing House, Institute of Exploration Technology, Chinese Academy of Geological Sciences | Host |
| Citation: |
TAO Hong-sheng, MA Zhen-feng, YANG Quan-zhi, LI Hong-mei, ZHAO Yi. Optimization of Drilling Fluid System for Shallow Extended-reach Horizontal Well in Ordos Basin[J]. DRILLING ENGINEERING, 2015, (9): 1-4. doi: 10.3969/j.issn.1672-7428.2015.09.001
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Optimization of Drilling Fluid System for Shallow Extended-reach Horizontal Well in Ordos Basin
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Abstract
In order to solve the hard technical difficulties of wellbore stability, borehole-cleaning, lubricating&resistance reducing and reservoir protection for shallow horizontal well drilling in Ordos basin, by the analysis on the geological char-acteristics of the reservoir and based on the previous use of polymer drilling fluid, MC-VIS, ABSN, nano-emulsion and composite shielding temporary plugging agent were selectively added to develop a nano-emulsion plugging drilling fluid sys-tem.On the premise of safety drilling, the core permeability was restored up to 83.50%.By the application in Qiping 1, it is showed that the nano-emulsion plugging drilling fluid system can satisfy drilling construction requirements of shallow extended-reach horizontal well in low permeability reservoir and provide technical support for efficient exploiting shallow res-ervoirs in Ordos. -
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TAO Hong-sheng, MA Zhen-feng, YANG Quan-zhi, LI Hong-mei, ZHAO Yi. Optimization of Drilling Fluid System for Shallow Extended-reach Horizontal Well in Ordos Basin[J]. DRILLING ENGINEERING, 2015, (9): 1-4. doi: 10.3969/j.issn.1672-7428.2015.09.001
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