![\"C\u00f4ng](\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2023\/10\/551c3d01c936777a1bc79be317feef7a.jpg\")
<\/p>\nXin ch\u00e0o m\u1ecdi ng\u01b0\u1eddi.<\/p>\n
\u0110\u00e2y l\u00e0 Enta.<\/p>\n
Nghe n\u00f3i c\u00f4ng tr\u00ecnh khoan tho\u00e1t n\u01b0\u1edbc m\u00e0 th\u00e1ng tr\u01b0\u1edbc t\u00f4i \u0111\u00e3 th\u1ef1c hi\u1ec7n v\u00e0 qu\u1ea3n l\u00fd \u0111\u00e3 ho\u00e0n th\u00e0nh r\u1ed3i w<\/p>\n
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K\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng tr\u00f4ng r\u1ea5t \u0111\u1eb9p, th\u1eadt tuy\u1ec7t ph\u1ea3i kh\u00f4ng n\u00e0o!<\/p>\n
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M\u1ed7i l\u1ed7 khoan d\u00e0i ch\u01b0a \u0111\u1ea7y 30m, v\u1edbi g\u00f3c khoan l\u00e0 7 \u0111\u1ed9.<\/p>\n
T\u00f4i lu\u00f4n ngh\u0129 r\u1eb1ng, kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111\u1eb7t v\u1ea5n \u0111\u1ec1 theo m\u1ed9t g\u00f3c \u0111\u1ed9 n\u00e0o c\u1ea3.<\/p>\n
C\u00f3 l\u1ebd ch\u1ec9 c\u1ea7n kho\u1ea3ng 3 \u0111\u1ed9 l\u00e0 \u0111\u1ee7 r\u1ed3i, ph\u1ea3i kh\u00f4ng?<\/p>\n
Th\u1eadt v\u1eady, v\u00ec nhi\u1ec1u t\u00e0i li\u1ec7u \u0111\u1ec1u ghi l\u00e0 t\u1eeb 5 \u0111\u1ebfn 10 \u0111\u1ed9 n\u00ean t\u00f4i ngh\u0129 c\u00e1c k\u1ef9 s\u01b0 thi\u1ebft k\u1ebf c\u0169ng kh\u00f4ng c\u00f2n c\u00e1ch n\u00e0o kh\u00e1c l\u00e0 ph\u1ea3i l\u00e0m nh\u01b0 v\u1eady.<\/p>\n
Tuy nhi\u00ean, ng\u01b0\u1ee3c l\u1ea1i, v\u1eady t\u1ea1i sao l\u1ea1i ch\u1ecdn 7 \u0111\u1ed9 nh\u1ec9??<\/p>\n
T\u00f4i ngh\u0129 r\u1eb1ng trong tr\u01b0\u1eddng h\u1ee3p \u0111\u00f3 th\u00ec kh\u00f4ng c\u00f3 l\u00fd do r\u00f5 r\u00e0ng n\u00e0o c\u1ea3.<\/p>\n
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Khi l\u1ea5y g\u00f3c \u0111\u1ed5 b\u00ea t\u00f4ng l\u00e0 ngang (0) v\u00e0 khoan l\u1ed7 s\u00e2u 30 m th\u00ec<\/p>\n
Khi khoan nghi\u00eang 7 \u0111\u1ed9 l\u00ean tr\u00ean, \u0111\u1ed9 cao c\u1ee7a ph\u1ea7n \u0111\u1ea7u khoan \u1edf \u0111\u1ed9 s\u00e2u 30 m s\u1ebd l\u00e0 \u2248 +3,7 m.<\/p>\n
(30 m \u00d7 tan 7\u00b0) = 3,68 m<\/span><\/strong><\/p>\n <\/p>\n C\u00f3 c\u1ea7n ph\u1ea3i n\u00e2ng l\u00ean t\u1edbi 3,7m kh\u00f4ng??<\/p>\n V\u1eady th\u00ec, hay l\u00e0 n\u00ean h\u1ea1 nhi\u1ec7t \u0111\u1ed9 xu\u1ed1ng kho\u1ea3ng 3 \u0111\u1ed9 v\u00e0 x\u1ea3 n\u01b0\u1edbc t\u1eeb ph\u00eda d\u01b0\u1edbi nhi\u1ec1u h\u01a1n th\u00ec t\u1ed1t h\u01a1n kh\u00f4ng?<\/p>\n T\u00f4i ngh\u0129 l\u00e0...<\/p>\n 3 \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 1,6 m<\/p>\n Khi \u0111\u1ea5t n\u1ec1n \u0111\u1ea1t \u0111\u1ebfn tr\u1ea1ng th\u00e1i b\u00e3o h\u00f2a, n\u01b0\u1edbc s\u1ebd d\u1ea7n d\u1ea7n t\u00edch t\u1ee5 t\u1eeb ph\u00eda d\u01b0\u1edbi l\u00ean.<\/p>\n R\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi cho r\u1eb1ng, khi thi\u1ebft k\u1ebf g\u00f3c nghi\u00eang, n\u01b0\u1edbc m\u01b0a s\u1ebd ch\u1ea3y t\u1eeb tr\u00ean cao xu\u1ed1ng \u0111\u1ea5t r\u1ed3i m\u1edbi ch\u1ea3y v\u00e0o \u1ed1ng.<\/p>\n <\/p>\n V\u00ec n\u01b0\u1edbc ch\u1ea3y v\u00e0o t\u1eeb ph\u00eda d\u01b0\u1edbi \u1ed1ng tho\u00e1t n\u01b0\u1edbc, n\u00ean,<\/p>\n Theo kinh nghi\u1ec7m, n\u1ebfu c\u00f3 th\u1ec3 th\u00ec c\u00f4ng nh\u00e2n khoan tho\u00e1t n\u01b0\u1edbc n\u00eanPh\u01b0\u01a1ng ph\u00e1p nhi\u1ec1u giai \u0111o\u1ea1n s\u1ebd hi\u1ec7u qu\u1ea3 h\u01a1n<\/span><\/strong><\/span>T\u00f4i \u0111ang t\u1ef1 h\u1ecfi: \u201cTh\u1ebf n\u00e0o nh\u1ec9?\u201d<\/p>\n H\u00ecnh d\u1ea1ng nhi\u1ec1u t\u1ea7ng nh\u01b0 gi\u1ebfng thu n\u01b0\u1edbc l\u00e0 l\u00fd t\u01b0\u1edfng nh\u1ea5t.<\/p>\n N\u01b0\u1edbc v\u1eabn ch\u1ea3y d\u00f9 kh\u00f4ng c\u00f3 \u0111\u1ed9 d\u1ed1c.<\/p>\n <\/p>\n T\u00f4i cho r\u1eb1ng n\u1ebfu g\u00f3c nghi\u00eang n\u1eb1m trong kho\u1ea3ng t\u1eeb 0 \u0111\u1ebfn 3 \u0111\u1ed9 th\u00ec kh\u00f4ng c\u00f3 v\u1ea5n \u0111\u1ec1 g\u00ec, v\u00e0 t\u00f4i c\u0169ng ngh\u0129 r\u1eb1ng v\u1ec1 m\u1eb7t v\u1eadt l\u00fd, c\u00f3 l\u1ebd c\u0169ng c\u00f3 c\u01a1 ch\u1ebf tho\u00e1t n\u01b0\u1edbc xu\u1ed1ng ph\u00eda d\u01b0\u1edbi?<\/p>\n Trong tr\u01b0\u1eddng h\u1ee3p n\u01b0\u1edbc ch\u1ea3y xu\u1ed1ng d\u01b0\u1edbi, li\u1ec7u m\u1ee9c \u0111\u1ed9 b\u00e3o h\u00f2a c\u1ee7a \u0111\u1ea5t n\u1ec1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m ti\u00eau ch\u00ed tham kh\u1ea3o kh\u00f4ng? (N\u1ebfu n\u01b0\u1edbc ch\u1ea3y ra t\u1eeb mi\u1ec7ng h\u1ed1, th\u00ec v\u1ecb tr\u00ed \u0111\u00f3 ch\u00ednh l\u00e0 v\u1ecb tr\u00ed hi\u1ec7n t\u1ea1i c\u1ee7a m\u1ef1c n\u01b0\u1edbc)<\/p>\n \u00c0, t\u00f4i mu\u1ed1n ph\u00e1 v\u1ee1 nh\u1eefng quan ni\u1ec7m th\u00f4ng th\u01b0\u1eddng hi\u1ec7n nay \u0111\u1ec3 ngh\u0129 ra nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p thi c\u00f4ng m\u1edbi v\u00e0 \u00e1p d\u1ee5ng ch\u00fang v\u00e0o th\u1ef1c t\u1ebf.<\/p>\n C\u00f2n l\u1ea1i th\u00ec ch\u1ec9 c\u00f3 nh\u1eefng t\u00e0i li\u1ec7u \u0111\u01b0\u1ee3c vi\u1ebft t\u1eeb tr\u01b0\u1edbc \u0111\u00e2y g\u00e2y c\u1ea3n tr\u1edf th\u00f4i nh\u1ec9 www<\/p>\n <\/p>\n H\u1eb9n g\u1eb7p l\u1ea1i nh\u00e9.<\/p>","protected":false},"excerpt":{"rendered":" Xin ch\u00e0o m\u1ecdi ng\u01b0\u1eddi. T\u00f4i l\u00e0 Enta. Nghe n\u00f3i c\u00f4ng tr\u00ecnh khoan tho\u00e1t n\u01b0\u1edbc m\u00e0 t\u00f4i \u0111\u00e3 th\u1ef1c hi\u1ec7n v\u00e0 gi\u00e1m s\u00e1t v\u00e0o th\u00e1ng tr\u01b0\u1edbc \u0111\u00e3 ho\u00e0n th\u00e0nh r\u1ed3i w. K\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng tr\u00f4ng r\u1ea5t \u0111\u1eb9p, ph\u1ea3i kh\u00f4ng n\u00e0o! M\u1ed7i l\u1ed7 khoan d\u00e0i g\u1ea7n 30m, v\u1edbi g\u00f3c khoan l\u00e0 7 \u0111\u1ed9. T\u00f4i lu\u00f4n ngh\u0129 r\u1eb1ng, vi\u1ec7c khoan \u1edf g\u00f3c nghi\u00eang\u2026<\/p>","protected":false},"author":2,"featured_media":45500,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[90],"tags":[804,1067,1227,5929],"class_list":["post-50011","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-drain-boring","tag-804","tag-1067","tag-1227","tag-5929"],"acf":[],"yoast_head":"\n![\"C\u00f4ng](\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2023\/10\/39ddc80352050f8578006e8f8858111e.jpg\")
<\/p>\n