API ngwakọ 12 1/4 inch maka mkpọpu mmiri mmiri siri ike

Ngwakọ ọkpọkọ nwere cones 3 na agụba 3 ka mma ugboro abụọ karịa obere cone rola.
N'oge gara aga na narị afọ gara aga, ndị cone akuakuzinwo bit kama scraper na ike abrasive formations ngwa, ma nke a akuakuzinwo akuakuzinwo shale na ndị ọzọ adịghị ike na plastic guzobe bụ tumadi kpatara nrụgide downhole apịtị mkpọ na-ejide ọrụ, na na mkpọpu omimi na bottomhole nrụgide na-abawanye. oke nke apịtị, ihe mkpọ apịtị ga-adị njọ karị. Iji dozie nsogbu a, n'ime afọ ndị na-emepụta ihe dị iche iche cone drill bits mere mgbanwe dị iche iche, ma na-enwe obere ihe ịga nke ọma. N'ịtụle n'ime akaụntụ ofu cutter agụba ma ọ bụ akuakuzinwo bit na nke a obere emetụta, ndị mmadụ malitere na-agbalị a Nchikota ụdị abụọ nke akuakuzinwo ibe n'ibe. Na popularization na ngwa nke PDC ibe n'ibe na PDC cutter technology ka mma ofu cutter PDC akuakuzinwo bit dị iche iche nke formations ji nwayọọ nwayọọ dochie cone bit. Ma n'ụdị siri ike, abrasive formations na mgbagwoju ntụziaka mkpọpu ọrụ, n'ihi na arụmọrụ, PDC drill bit enweghị ike dochie cone bit. Iji gwuo uru nke rola cone na PDC drill bits, ụlọ ọrụ anyị ewepụtala ihe nrụnye igwe na-arụkọ ọrụ ọnụ na obere PDC nke ọgbọ ọhụrụ nke ihe mgbagwoju anya. Anyị na-ebuputa akukukuzinwo mejupụtara E nwere abụọ aghụghọ, otu bụ obere size ugboro abụọ nku, abụọ-cone bit, nke ọzọ bụ ubé ibu size nke Mito nku, tricone bit, Dabere na ndị a akuakuzinwo anọ mma nku na isii agụba PDC ịkụ ọkpọ bit, na osote agụba na obere ọnọdụ dochie cone size. Ya mere, n'etiti ọnọdụ nke borehole dị na dọkịta na-awa nku PDC cutter zuru ezu agbaji nkume, na mpụta akụkụ nke borehole mkpọpu mezuru site cutter cutters na agụba na mpụta akụkụ nke wellbore nkume na-agbaji ihe siri ike karị, nkume na-agbaji. mmetụta dabere cone na agụba na mating.
Ngwakọ akuakuzinwo bit technology na-ejikọta roller cones na PDC ofu cutters n'ime otu, patented imewe iji belata mkpọpu oge na njem na ndị kasị mgbagwoju ngwa ngwa.With nkume-echipịa ike na nkwụsi ike nke roller cones na ọnwụ elu na-aga n'ihu ịkpacha ihe nke diamond. ibe n'ibe, teknụzụ a na-abawanye ROP, na-eme ka mkpochapụ dị mma, ma na-adị ndụ n'ụdị jikọtara ọnụ na nrụgide arụmọrụ yana njikwa ngwa ngwa dị mma.
Teknụzụ ngwakọ egwu egwu
rola cones na polycrystalline diamond compact (PDC) ofu cutters n'ime otu, patent chepụtara iji belata oge mkpọpu na njem na ngwa kachasị mgbagwoju anya. Site na ike na-akụda nkume na nkwụsi ike nke cones roller na ịcha elu na ịkpụcha ajị anụ na-aga n'ihu nke bits diamond, teknụzụ a na-abawanye ROP, na-eme ka mwepu osisi na-adịwanye mma ma na-adị ndụ n'ụdị jikọtara ọnụ nke ukwuu na nrụgide arụmọrụ yana njikwa ihu ngwaọrụ dị mma. N'ụwa niile, ejirila mpempe akwụkwọ ngwakọ anyị na mba 47 wee gwuokwuo ya
karịa 1 nde ft (304,800 m).