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  September 16,, the south branch in unconventional exploration shale gas exploration and made important progress. Sichuan guangyuan city yuan dam 6 Wells xujiahe three sections of conventional test, the daily output of 20500 cubic meters of natural gas try. This is the first time in exploration of the yuan xujiahe mud shale gas for industrial air test.

  Yuan 6 well testing of the construction of the dam success, not only understand 6 yuan dam well xujiahe shale gas three sections of the fluid property and the capacity, has obtained the shale gas reservoir research needs to first-hand material, and shale gas for the test accumulated construction experience of the exploration area carries, expand the exploration sediment group and exploration areas.

  In order to speed up the pace of oil and gas exploration, unconventional exploration on the yuan by the south branch of the logging, logging data in integrated analysis, optimization of the yuan 6 Wells xujiahe three sections of testing. The testing purpose hole section for 4406-of 4440 meters, the lithology is shale, carbonaceous mudstone clip with gravel fine-grained sandstone and silty sandstone and coal, containing gas line logging interpretation of a 6.4 meters, shale gas reservoirs fracture type 2 layer 10.5 meters, coal seam (including gas) 1 layer 3 m.

  For effective remove test layer near wellbore area for the pollution jams, release strata, exploration, the south branch original capacity test scheme optimization. Perforation, testing tube, the pump pressure under the 95 million mpa with active water, concussive try crowded, by repeated concussions try crowded, lifting the perforating hole section near wellbore jam, effective communication channel reservoir.

  Yuan for a 6 Wells of regional exploration Wells, the following two fold all qixia group, brussel mouth group as the main purpose, and exploration of the Triassic feixianguan age group, over 7350 meters deep drilling, 7 layer for a particular generation anddistribution as well as the store's group.