Ten dozen naked eye liner fracturing level

In 2006 , a new openhole multistage fracturing ⑴ only fat ) completions plus 0 ^ 06 counties use ( see Figure of ) ) , the process was initially raised in Texas in 2001 , aims to improve time efficiency multi-stage fracturing , reduce operating costs, improve system reliability and repeatable operational capacity . Openhole multistage resin coated frac sand fracturing system of water power external casing packer packer to isolate the layers instead of cementing section , packer sealing elastic element usually bore the naked eye , without starting a milling or drilling production , while taking advantage of Slide tool in the wellbore to form a channel between the packer , instead of casing perforation . These tools can be opened by a hydraulic sleeve or by putting ( multiple > Start the ball to a particular size and open channel switching sleeve of these balls can be achieved between the inner tube packer levels , thus eliminating the need for a bridge plug . Openhole multistage the main advantage of the system is that all fracturing fracturing treatment can be resin coated proppant completed consecutive trip string without using bridge plug , saving the time and cost after completion of stimulation , can quickly flowback and production, the latter can also be drilled in addition to ball Block abroad compared the effect of long-term production Barnett shale cementing and fracturing multistage openhole completions studies show that: although in some areas of casing cementing mainstream , traditional values ​​still insist on using the well casing , but Barnett shale production borehole effect is significantly better than cementing production results , 031X611 ^ 0 ^ 06 ^ 61 , who in 2010 compared the Barnett two parallel horizontal wellbore adjacent wells , two wells with different finish well ways : well people using multistage openhole completions ( uncorrected ten ten pitching sleeve fracturing > ; well casing cementing 8 uses ten ten bridge plug wells perforated completion completion of stages , proppant and pressure . fracturing fluid volume is relatively close ; However, during the three years of production , the well person is almost 2.5 times the cumulative production wells 8 ⑸.