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Bọtịnụ Oilwell bit 8.5 ″ maka igwe egwu egwu nwere ọnụ ala dị ala
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API mmanụ rig drill bit onye na-emepụta ihe maka ịmepụta nke ọma
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TCI metal akara nke na-ebu mmanụ IDC417 bụ maka igwu mmiri miri emi
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Isi olulu mmanụ API maka rotary rig na nhazi mkpọpu ihe siri ike
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API igwe nchara mmanụ olulu mmiri maka igwe mgbapu rotary na ngwaahịa
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API Milled eze na-egwupụta ihe gasị ihe ga-ere ere
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Ụlọ ọrụ API nke ciment na bridge plọg mmanụ olulu mmiri olulu mmiri
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API 8 1/2 inch diamond tricone bit maka igwu mmiri nke ọma gas
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Ụlọ ọrụ API nke tricone drill bit dị nro maka olulu mmanụ na gas
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Ụlọ ọrụ API TCI gas na-egwupụta ihe maka rotary rig maka olulu mmiri miri emi
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API ụlọ ọrụ mmanụ olulu mmiri tricone na-egwupụta ihe maka nhazi nkume siri ike
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Ụlọ ọrụ ntanye bọtịnụ API TCI n'ogbe maka igwu mmiri nke ọma mmanụ