Selelekela
Ho ntlafatsa ts'ebetso ea "tricone drill bit", ho kentsoe likarolo tse 'maloa tsa bohlokoa.
1, Ka mohlala, sefofane sa C-Center, se etselitsoe ho thibela ho thehoa ha bolo ka har'a bitana.Tšobotsi ena e thusa ho felisa sebaka leha e le sefe sa mokelikeli ka tlaase ho seliba, ho potlakisa ho phalla holimo ha li-cuttings tsa ho cheka, 'me qetellong ho ntlafatsa lebelo la ho kenella (ROP).
2, Li-bearings tsa NBR tse phahameng li kenyelelitsoe moralong oa "tricone drill bit" ho thusa ho fokotsa khatello ea ho tiisa le ho ntlafatsa ho ts'epahala ha tiiso.Phetoho ena e bohlokoa hobane e ka thusa ho thibela ho lutla, ho ka bitsang chelete e ngata le ho ba kotsi.
3, tšobotsi ea ts'ireletso ea G-Gauge le eona e bohlokoa hobane e ntlafatsa bokhoni ba ho lekanya ba "tricone drill" ha e ntse e lelefatsa bophelo ba eona ba ts'ebeletso.Ka tšobotsi ena, basebelisi ba ka lebella litekanyo tse nepahetseng haholoanyane, tse ka lebisang ts'ebetsong e ntle ea ho cheka le liphello.
4, Qetellong, ho eketsa mola o eketsehileng oa meno pakeng tsa taper e ka morao le ho tsoa ho ipakile e le mokhoa o sebetsang oa ho fokotsa borehole le ho sireletsa khoune.Tšobotsi ena e thusa ho fokotsa ho senyeha le ho taboha ha "tricone drill bit" e fellang ka nako e telele ea bophelo le ts'ebetso e ntle.
Ka bokhutšoanyane, "tricone drill bit" ke sesebelisoa se feto-fetohang le se ka tšeptjoang se ka sebelisoang bakeng sa mefuta e mengata ea ho cheka.Ka ho kenyelletsa likarolo tse ncha tse kang sefofane sa C-Center, li-bearings tsa NBR tse phahameng, tšireletso ea G-Gauge, le mela e meng ea meno, ts'ebetso le nako ea bophelo ea "tricone drill" li ka ntlafatsoa haholo.
Litšobotsi
1. Drill Bit Connection e entsoeng ho latela maemo a API.
2. Re ka fetola boholo bo fokolang ho latela rig ea hau.
3.Mehaho ea ho itšeha e netefalitsoeng le meralo ea ho jara e ntse e tsoela pele ho fana ka boleng bo phahameng ba ts'ebetso le ts'epo.
4.Optimized hydraulics e fana ka ROP e eketsehileng ka ho tlosa li-cuttings ka katleho le ho etsa bonnete ba ho kopanela ha lejoe le lecha holim'a potoloho e 'ngoe le e' ngoe ea ho itšeha.
Tataiso ea Khetho ea Bit ea Tricone
| IADC | WOB(KN/mm) | RPM(r/mots) | SEBELISANG LIPOTSO |
| 114/116/117 | 0.3~0,75 | 180-60 | Libopeho tse bonolo haholo tse nang le matla a tlase a khatello le ho phunya ho phahameng, joalo ka letsopa, lejoe la seretse, choko, jj. |
| 124/126/127 | 0.3~0,85 | 180-60 | Meetso e bonolo e nang le matla a tlase a hatellang le ho phunya ho phahameng, joalo ka seretse, gypsum, letsoai, lejoe la mokoetla le bonolo, jj. |
| 134/135/136/137 | 0.3~0,95 | 150-60 | Libopeho tse bonolo ho isa ho tse mahareng tse nang le matla a tlase a khatello le ho phunya ho phahameng, joalo ka shale e mahareng e bonolo, gypsum e thata, mokoetla o bonolo o mahareng, lehlabathe le bonolo le mahareng, sebopeho se bonolo se nang le li-interbed tse thata, jj. |
| 214/215/216/217 | 0.35~0,95 | 150-60 | Meetso e mahareng e nang le matla a phahameng a compress, joalo ka shale e mahareng e bonolo, gypsum e thata, lejoe la mokoetla le bonolo, lehlabathe le bonolo le mahareng, sebopeho se bonolo se nang le li-interbed tse thata, jj. |
| 227 | 0.35~0,95 | 150 ~ 50 | Meetso e thata e mahareng e nang le matla a phahameng a khatello, joalo ka shale ea abrasive, limestone, sandstone, dolomite, hard gypsum, marble, joalo-joalo. |
| Tlhokomeliso: Meeli e ka holimo ea WOB le RPM tafoleng e ka holimo ha ea lokela ho sebelisoa ka nako e le 'ngoe. | |||
Boholo ba Bits
| Bit Size | API REG PIN | Torque | Boima ba 'mele | |
| Intshi | mm | Intshi | KN.M | Kgs |
| 3 3/8 | 85.7 | 2 3/8 | 4.1-4.7 | 4.0-6.0 |
| 3 1/2 | 88.9 | 4.2-6.2 | ||
| 3 7/8 | 98.4 | 4.8-6.8 | ||
| 4 1/4 | 108 | 5.0-7.5 | ||
| 4 1/2 | 114.3 | 5.4-8.0 | ||
| 4 5/8 | 117.5 | 2 7/8 | 6.1-7.5 | 7.5-8.0 |
| 4 3/4 | 120.7 | 7.5-8.0 | ||
| 5 1/8 | 130.2 | 3 1/2 | 9.5-12.2 | 10.3-11.5 |
| 5 1/4 | 133.4 | 10.7-12.0 | ||
| 5 5/8 | 142.9 | 12.6-13.5 | ||
| 5 7/8 | 149.2 | 13.2-13.5 | ||
| 6 | 152.4 | 13.6-14,5 | ||
| 6 1/8 | 155.6 | 14.0-15.0 | ||
| 6 1/4 | 158.8 | 14.4-18.0 | ||
| 6 1/2 | 165.1 | 14.5-20.0 | ||
| 6 3/4 | 171.5 | 20.0-22.0 | ||
| 7 1/2 | 190.5 | 4 1/2 | 16.3-21.7 | 28.0-32.0 |
| 7 5/8 | 193.7 | 32.3-34.0 | ||
| 7 7/8 | 200 | 33.2-35.0 | ||
| 8 3/8 | 212.7 | 38.5-41,5 | ||
| 8 1/2 | 215.9 | 39.0-42.0 | ||
| 8 5/8 | 219.1 | 40.5-42,5 | ||
| 8 3/4 | 222.3 | 40.8-43.0 | ||
| 9 1/2 | 241.3 | 6 5/8 | 38-43.4 | 61.5-64.0 |
| 9 5/8 | 244.5 | 61.8-65.0 | ||
| 9 7/8 | 250.8 | 62.0-67.0 | ||
| 10 | 254 | 68.0-75.0 | ||
| 10 1/2 | 266.7 | 72.0-80.0 | ||
| 10 5/8 | 269.9 | 72.0-80.0 | ||
| 11 1/2 | 292.1 | 79.0-90.0 | ||
| 11 5/8 | 295.3 | 79.0-90.0 | ||
| 12 1/4 | 311.2 | 95.0-102. | ||
| 12 3/8 | 314.3 | 95.0-102.2 | ||
| 12 1/2 | 317.5 | 96.0-103.0 | ||
| 13 1/2 | 342.9 | 105.0-134.0 | ||
| 13 5/8 | 346.1 | 108.0-137.0 | ||
| 14 3/4 | 374.7 | 7 5/8 | 46.1-54.2 | 140.0-160.0 |
| 15 | 381 | 145.0-165.0 | ||
| 15 1/2 | 393.7 | 160.0-180.0 | ||
| 16 | 406.4 | 200.0-220.0 | ||
| 17 1/2 | 444.5 | 260.0-280.0 | ||
| 26 | 660.4 | 725.0-780.0 | ||
Mokhoa oa Tlhahiso
| Bonyane Bongata ba Order | N/A |
| Theko | |
| Lintlha tsa Sephutheloana | Sephutheloana sa Tlhahiso e Tloaelehileng ea Export |
| Nako ea thomello | 7 matsatsi |
| Melao ea Tefo | T/T |
| Matla a Phepelo | E ipapisitse le Taelo e Felletseng |
1. Lipehelo tsa tefo ke life?
Re amohela T/T (30% e le depositi, le 70% khahlano le kopi ea B/L), L/C ha re bona, Alibaba Escrow le lipehelo tse ling tsa tefo.
2. U hloka matsatsi a makae bakeng sa ho lokisa sampole le bokae?
10-15 matsatsi.Ha ho na tefo e eketsehileng bakeng sa sampole mme sampole ea mahala e ka khoneha maemong a itseng.
3. Ho na le barekisi ba bangata, ke hobane'ng ha u khetha hore u be molekane oa rona oa khoebo?
Re tsepamisitse maikutlo ho hlahiseng likarolo tsa likoloi ka nako e fetang 15years, boholo ba bareki ba rona ke lihlahisoa Amerika Leboea, ho bolelang hore re boetse re bokelletse boiphihlelo ba 15years OEM bakeng sa lihlahisoa tsa pele.
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