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Zhongyou department fill perforating technology logging changqing blank

Date:Jul 20,2011

China's oil nets news correspondent ZhaoBin learn HeGongMin ZhuLiSha) on 8 June, China's oil well logging changqing division finish changqing oil field chau flat X-Y horizontal well drill pipe conveying perforating construction, to fill this perforating technology blank.

 

Chau flat-Y well well depth X 3238 meters, casing inner diameter of 159.42 mm, into the depth of 2890 metres, the 2890 metres below is open for the well. Perforating hole section 2680 m to 2688 m and 2844 m to 2854 m, 156 m sandwich.

 

After argument analysis, this well used the drill pipe transportation have the following a few difficulties. First of all, two perforating hole section for interlayer is 156 m, and perforation section in highly and the horizontal section, must be used in two levels of boosting to complete. Second, the well more than major, different mud YuQingShui medium homework, string internal may cause mud precipitation, influence pressure "explosion transfer". While the group process technical personnel and JingBian projects department 16110 perforating team close cooperation, first to perforating technology equipment on the matching, check carefully, to ensure that meet the construction type buckle conditions. Well on the construction process, JingBian production department deputy manager on-site command, technology center technician and the well design technical personnel on-site guidance, the successful completion perforating task.

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