多种方法联合洗井增大供水井出水量的实例.doc

多种方法联合洗井增大供水井出水量的实例 6;?A?????s58 M????(??????????(6),?R(????),??????????,?????6?M?t?????????????Q?b?????M?t?s???4?f,?G???M?t?:???4?M?t?.?e,?????G?? ?M?t???4?M?t????,?????6???F?;??????????,fy6@6M; ?e?????????f?3?????W???G?????G???????? ?????? (?????6?M?t?????????????Q?b?????M?t?s,???????F476000) ??M???:?????G???U???:???G?????T,?)???U???????V???8?u???h????,???:?????G?????G?????T??????,???t?w ??M6???f??M6???????e???3??????,????od?/?T?M?W,?U?????????G??oC???C??,?H?????????3??????,?t?????????? ?????????4???W???G?????G??,???M???????????????G??M; ???J??:?3??;???G??;???G?? ?V???)????:TU991.12M?M????J?,???6:BM?M??????-??:1672-7428(2007)08-0006-03 FieldCaseofIncreasingYieldofWaterSupplyWellbyVariousJointWellWashingMethods/FENGYi2nian(No. 11GeologicalPartyHenanBureauofGeologyandMineralResources,ShangqiuHenan476000,China) Abstract:Inviewofthesmallwateryield,analysiswasmadeontechnicalmeasuresofwellcompletion.Piston,mixerand pumpingwereadoptedtotrytodetermineproperstepsforwellwashing.Onthepremiseofsafety,wateryieldincreasedto thedesignedamountfortubewell. Keywords:wellwashing;deepwaterwell;wateryield 1M????4???? ?????6?????;?????????V???????9?????t???? ?I?Q?v?????????m???G?????v30m 3 /h?????G??, ????????320mM;?9??????2006??8?f9??10?? ????????,11??13??????32210m?:?????G???? ??????????,?1?)???????M?[???W???p?G?[???-??, ?H?????U??????,15??2??20?????U??????????M6 ????????M6?6?????G??????????M;16??6???4?? 200QJ32-78?????G???????3??,???G?????v???T, ???G??????46120m,???G???4??9615m???????? ?G?0?M2min?/????M; ?p?G?[?????????W:270150??275150m,???;; 278100??289150m,?????;;293100??301100m,?? ?;M; ????:0100??105100m?v?500mm;110100?? 322100m?v?450mmM; ????:0100??100100m?v?273mm;100100?? 315106m?v?159mmM; ??????????:271180??274180m;277180?? 288133m;296130??300186mM; ????:50m,0??00oE;100m,0??10oE;150m,0??10oE; 200m,0??20oE;250m,0??30oE;300m,0??45oE;320m,0?? 50oEM; ???O???m:?0175??2mm?????;M; ???O????:260100??321100mM; ???G????:?20??30mm???s?5M; ???G????:240100??260100mM; 2M??G?????T?????)?? ?)?