Sistemụ ịkwọ ụgbọ mmiri karịrị akarị
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Sistemụ ịkwọ ụgbọ mmiri karịrị akarị

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Nkọwa

Okwu mmalite:

ODEX (mkpụmkpụ maka “Overburden Drilling Excentric”) ka a na-akpọkwa Stratex, Tubex ma ọ bụ ODS. Ọ bụ mmegharị nke hama ikuku-ekesa DTH. Ọ na-eji ntakịrị ihe na-agbagharị agbagharị iji megharịa ala nke mkpuchi ahụ. Na percussion bit mejupụtara abụọ akụkụ ofu Atụmatụ: a concentric pilot bit, na n'azụ ya bụ ihe eccentric reamer bit na swings si gbasaa borehole dayameta n'oge mkpọpu ala. Mgbe eccentric bit bụ ngwaọrụ nduzi nke na-etinye akpụkpọ ụkwụ mkpuchi n'ubu pụrụ iche na ala nke ODEX casing. A na-esi otú a na-akwatu ODEX site na eriri egwu egwu ka oghere ahụ na-aga n'ihu. Mkpụcha na-esi n'ọghere annulus dị n'etiti ngwaọrụ nduzi na ịkwanye akpụkpọ ụkwụ na swivel na-eduzi ha n'elu ala ma ọ bụ na-anakọta ihe nlele.

Sistemụ ODEX bụ ihe ngwọta dị oke ọnụ maka ịkwọ ụgbọ ala na nkezi ọnọdụ ala. Ha na-ewu ewu nke ukwuu na ndị ọrụ ngo maka ịgbanye n'olulu mmiri, olulu mmiri geothermal, oghere nke obere ụdị obere oghere nke ụlọ, ọrụ mgbochi mmiri na ọdụ ụgbọ mmiri, yana ọrụ obere ikpo ọkụ. N'ihi nku reaming nwere ọgụgụ isi, a na-eweghachi bit ahụ ma enwere ike iji ya ọzọ. ODEX dị mma maka oghere dị mkpụmkpụ na oke ibu, n'ihi uru ndị pụtara ìhè dị ka usoro dị mfe, ọrụ dị mfe, ngwa mkpọpu ihe, ogologo ndụ ọrụ na ezigbo mma. Àgwà mkpọ ụgbọ mmiri nke sistemu ODEX bụ otu ihe ahụ maka usoro ịkụ ala hama DTH, dị ka:

Mwepụ ngwa ngwa nke mkpụrụ osisi;

Ọnụ ọgụgụ ntinye dị elu, karịsịa na nhazi nkume na-eguzogide ọgwụ (dịka basalt);

Nlele ala dị mfe na mmiri ala n'oge mkpọpu;

Enwere ike tụọ atụmatụ mkpụrụ na omimi ahọpụtara na nhazi ahụ;

Ọ bara uru na nhazi ndị na-enweghị atụ na nnukwu ihe ize ndụ nke ọgba aghara (nke a bụ ma eleghị anya ihe kachasị mkpa).

PLATO nwere ụdị ODEX sitere na ODEX90 ruo ODEX280, nke ejiri mkpịsị aka nke ọtụtụ n'ime hama DTH na-emepe emepe na-esi na 3" ruo 10". Ha niile nwere ngwaọrụ Ntuzi, akpụkpọ ụkwụ Casing, Eccentric Reamer, Pilot Bit, Sleeve Guide, na ngwa mkpọchi.

Ụdị ODEXNha casing akwadoroMin. Ọkpụrụkpụ mgbidiDayameta Pilot BitDayameta ReamerMaka Shanks of Hammer
Oke. ODMin. NJ
mminchmminchmminchmminchmminch
901154 1/21024615/64903 35/641234 27/32DHD3.5, Cop34, Mission 30
1151425 19/321254 59/6479/321154 17/321556  7/64DHD340A, SD4, QL40, Mission40
1151465 3/41285  3/6479/321164  9/161526
1401686 5/81525 63/6485月16日1405 1/21897  7/16DHD350R, SD5, QL50, Mission50
14417871606 19/64923/641445  9/161927  9/16
1651967 23/321837 13/64615/641666 17/322118 19/64DHD360, SD6, QL60, Mission60
1802198 5/81947 5/8615/641797  3/642329 1/8
1902198 5/82058  1/1679/321917 1/22369 19/64
1902198 5/82058  1/1679/321917 1/22369 19/64DHD380, QL80, SD8, Mission 80
23027310 3/42509 27/3211.529/642299  1/6428611 1/4
24027310 3/42509 27/3211.529/642419 31/6430812 1/8
28032412 3/4305129.53月8日28011  1/6437814 57/64SD10, NUMA100


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