Study On Prevention And Management Technology Of Frame Damage Area

Daqing Oilfield appeared in the west of Central District,North Yidong,Sazhong Western District,South Region B,L 7-30,South Region West and other damage areas.Sheet casing loss is a phenomenon of casing damage of oil well in block with the same regularity.Some of the wells in these blocks have been repaired or scrapped,but some have not yet been fully treated.Tablets loss is a chain reaction caused by a single well,resulting in a large area loss of oil well in a short time.Without thorough management,oil field development will be seriously affected.The main types of fault fault in fault zone are deformation.The following difficulties exist in the management of difficult wells:small diameter and the proportion of unchannel damage wells are high,the longitudinal spacing between faults is small,fish head is synchronized with faults,the formation spit rock block,fault bend,pipe column is poor,and it is easy to break in grinding and milling process.Based on the study of the statistical and stratigraphic characteristics of the fault zone,this paper analyzes the law of the fault zone from the view of engineering statistics.There is also the characteristic of the tarcrete zone,such as the eastern zone.By means of logging technique,the resistivity logging curve characteristic of the second segment of tenderline is mainly represented in the base standard layer.The resistivity of 2.5 M shows 6 peak points.By means of core test and analysis,the polygenetic horizontal layer and rock section of the second section of the second section of the second section of the young section of the second section of the fossil are also relatively neat,the whole section of the lithology shows the characteristics of the weak hard lithology,and the mudstone at the bottom of the second part of the second section of the younger reaches the water expansion standard.In the process of the management of the fault zone,the main research and development of the series of the damage zone tunnel,casing reinforcement technology,replacement technology and the application of falling well waste technology,these technologies can enhance the damage zone management rate of more than 80%.With respect to the completed damage zone,the measures to prevent secondary damage are put forward in both the new and old wells.