Eccentric Overburden liluho Systems
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Ọrọ Iṣaaju Gbogbogbo:
ODEX (kukuru fun “Overburden Drilling Excentric”) ni a tun pe ni Stratex, Tubex tabi ODS. O jẹ aṣamubadọgba ti air-circulation DTH ju. O ti wa ni pẹlu kan golifu-jade eccentric bit lati ream isalẹ ti awọn casing. Ati awọn Percussion bit oriširiši meji awọn ẹya ara ti o wa titi awọn italolobo: a concentric awaoko bit, ati lẹhin ti o jẹ ẹya eccentric reamer bit ti o swings jade lati tobi awọn borehole opin nigba liluho. Lẹhin bit eccentric jẹ ohun elo itọnisọna ti o n ṣe bata bata ti o ni ejika ti inu pataki lori isalẹ ti ODEX casing. ODEX ti wa ni bayi fa si isalẹ nipasẹ okun liluho bi iho ti ni ilọsiwaju. Awọn gige fẹ soke nipasẹ aafo annulus laarin ẹrọ itọnisọna ati bata casing si swivel ti n ṣe wọn sori ilẹ tabi si olugba apẹẹrẹ.
Awọn ọna ODEX jẹ awọn solusan ọrọ-aje julọ fun liluho casing ni awọn ipo ilẹ apapọ. Wọn jẹ olokiki pupọ pẹlu awọn alagbaṣe liluho fun casing ni awọn kanga omi, awọn kanga geothermal, iho grouting alabọde kekere ti ile, idido ati iṣẹ abo, ati iṣẹ piling bulọọgi aijinile. Nitori ti awọn ingenious reaming apakan, awọn bit jẹ retrievable ati ki o le ṣee lo lẹẹkansi. ODEX jẹ apẹrẹ fun awọn iho kukuru ni apọju isokan, o ṣeun si awọn anfani iyalẹnu bi ọna ti o rọrun, iṣẹ ti o rọrun, awọn irinṣẹ liluho gbigba, igbesi aye iṣẹ pipẹ ati didara to dara. Awọn abuda liluho ti awọn eto ODEX jẹ pataki kanna bii fun ọna liluho DTH, bii:
Dekun yiyọ ti awọn eso;
Iwọn ilaluja giga, paapaa ni iṣelọpọ apata sooro (fun apẹẹrẹ basalt);
Irọrun ile ati iṣapẹẹrẹ omi inu ilẹ nigba liluho;
O ṣee ṣe lati wiwọn iṣiro ikore ni ijinle ti a yan ni dida;
Anfani ni awọn idasile ti ko ni ibamu pẹlu eewu nla ti iho apata (eyi ṣee ṣe ẹya pataki julọ).
PLATO ni awọn oriṣi ODEX ti o wa lati ODEX90 si ODEX280, ti a ṣejade pẹlu awọn ikapa ti pupọ julọ awọn òòlù DTH ti o bori ti o ni iwọn lati 3” si 10”. Gbogbo wọn ni Ẹrọ Itọsọna, Bata Casing, Eccentric Reamer, Pilot Bit, Sleeve Itọsọna, ati Awọn ohun elo Titiipa.
ODEX Iru | Niyanju Casing Iwon | Min. Sisanra Odi | Pilot Bit Diamita | Iwọn Reamer | Fun Shanks ti Hammer | ||||||
O pọju. OD | Min. ID | ||||||||||
mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | ||
90 | 115 | 4 1/2 | 102 | 4 | 6 | 15/64 | 90 | 3 35/64 | 123 | 4 27/32 | DHD3.5, Cop34, Mission 30 |
115 | 142 | 5 19/32 | 125 | 4 59/64 | 7 | 9/32 | 115 | 4 17/32 | 155 | 6 7/64 | DHD340A, SD4, QL40, Mission40 |
115 | 146 | 5 3/4 | 128 | 5 3/64 | 7 | 9/32 | 116 | 4 9/16 | 152 | 6 | |
140 | 168 | 6 5/8 | 152 | 5 63/64 | 8 | 5月16日 | 140 | 5 1/2 | 189 | 7 7/16 | DHD350R, SD5, QL50, Mission50 |
144 | 178 | 7 | 160 | 6 19/64 | 9 | 23/64 | 144 | 5 9/16 | 192 | 7 9/16 | |
165 | 196 | 7 23/32 | 183 | 7 13/64 | 6 | 15/64 | 166 | 6 17/32 | 211 | 8 19/64 | DHD360, SD6, QL60, Mission60 |
180 | 219 | 8 5/8 | 194 | 7 5/8 | 6 | 15/64 | 179 | 7 3/64 | 232 | 9 1/8 | |
190 | 219 | 8 5/8 | 205 | 8 1/16 | 7 | 9/32 | 191 | 7 1/2 | 236 | 9 19/64 | |
190 | 219 | 8 5/8 | 205 | 8 1/16 | 7 | 9/32 | 191 | 7 1/2 | 236 | 9 19/64 | DHD380, QL80, SD8, Mission 80 |
230 | 273 | 10 3/4 | 250 | 9 27/32 | 11.5 | 29/64 | 229 | 9 1/64 | 286 | 11 1/4 | |
240 | 273 | 10 3/4 | 250 | 9 27/32 | 11.5 | 29/64 | 241 | 9 31/64 | 308 | 12 1/8 | |
280 | 324 | 12 3/4 | 305 | 12 | 9.5 | 3月8日 | 280 | 11 1/64 | 378 | 14 57/64 | SD10, NUMA100 |
Adirẹsi imeeli rẹ kii yoo ṣe atẹjade. Awọn aaye ti a beere ni samisi pẹlu *