Parentah aplikasi bor bit
1 pilihan bit
1. Punten baca pedaran litologi sareng catetan bit sumur padeukeut sacara saksama, sareng analisa karakteristik formasi.
2.Milih tipe luyu luyu jeung litologi.
2 Persiapan saméméh pangeboran
1.Inspect bit saméméhna pikeun karuksakan awak, leungit cutters atanapi inserts jsb Pastikeun aya euweuh junk on liang buttom, sarta ngabersihan liang handap lamun perlu.
2.Bit kudu diatur kalayan ati-ati dina urutan teu aya cutters karuksakan jeung zat teuas.
3.Parios upami aya karusakan dina cuttes bit sareng upami aya zat asing di jero bit.
4.Check lamun masang nozzle geus minuhan sarat, sarta ngaganti nozzles lamun perlu.
3 Nyirian bit
1. Bersihkeun benang bit sareng nerapkeun gajih dina benang.
2. Nyocogkeun breaker ka bit, nurunkeun string bor onto pin jeung kalibet dina threads.
3.Locate bit na breaker dina bushing usaha Rotary, sarta nyieun-up bit nu dianjurkeun torsi.
4 Lebetkeun
1.Cabut breaker jeung taliti nurunkeun bit ngaliwatan alat wellhead dina urutan teu ngaruksak eta.
2.Shrinkage, taktak, dogleg jeung korsi konci borehole kedah cautious nalika bit ngaliwatan liang kosong.
3.Start pompa na siklus pangeboran cairan keur nyeuseuh buttom liang nalika bor ka titik ngeunaan 30 méter ka handap liang, sarta muterkeun string bor dina speed low teu leuwih ti 60rpm
4. Ngadeukeutan handapna kurang leuwih satengah meter.Sirkulasi salila 5 nepi ka 10 menit kalayan aliran pinuh.
5 Reaming
1.Reaming bagian panjang liang undergauge henteu dianjurkeun.
2. Lamun operasi reaming perlu, eta niatna dianjurkeun yén operasi reaming kudu dipigawé kalawan sirkulasi laju aliran maksimum, beurat husus dina bit teu ngaleuwihan 90N / mm (diaméterna), speed rotary teu ngaleuwihan 60 rpm dimana nyangkut ieu encountered nalika tripping. di.
6 bit break-in
1.Overusing instrumen tampilan nalika bit approch bottomhole.Upami WOB sareng torsi ningkat, éta nunjukkeun bit parantos aya dina dasar liang. Anggo teu langkung ti 90N / mm, beurat -on = bit sareng 40 dugi ka 60rpm pikeun netepkeun pola liang dasar sahenteuna satengah meter.
2.Bit putus-di rengse tur kudu disaluyukeun RPM pikeun ménta kombinasi parameter pangeboran optimal.
3.Drilling parameter adjustment kudu dipilih dina wates sahiji parameter dianjurkeun tingal métode optimasi parameter pangeboran dianjurkeun.
Tabel klasifikasi karasa formasi sareng seleksi bit
Roller congcot bit | Kode IADC bit inten | Pedaran formasi | Jenis batu | Kakuatan compressive (Mpa) | ROP (m/h) |
kode IADC | |||||
111/124 | M/S112~M/S223 | Lemes pisan: formasi lemes caket sareng kakuatan kompresi rendah. | liat Siltstone batu pasir | <25 | >20 |
116/137 | M/S222~M/S323 | Lemes: formasi lemes kalayan kakuatan compressive lemah sareng drillability tinggi. | Batu liat Marl Lignit batu pasir | 25~50 | 10~20 |
417/527 | M/S323~M/S433 | Sedeng lemes: formasi lemes nepi ka sedeng kalawan kakuatan compressive lemah sareng steak. | Batu liat Marl Lignit Batu pasir Siltstone Anhidrit Tuff | 50~75 | 5~15 |
517/537 | M322~M443 | Sedeng: formasi sedeng nepi ka teuas kalawan kakuatan compressive tinggi na corétan abrasive ipis. | Batu leutak Batu poék shale | 75~100 | 2~6 |
537/617 | M422~M444 | Sedeng teuas: formasi teuas tur padet kalawan kakuatan compressive tinggi na abrasiveness sedeng. | Batu poék Séréal teuas Anhidrit Batu pasir Dolomit | 100~200 | 1.5~3 |
Pituduh tricone Bits PilihanTricone bits Huntu Tipe
Ukuran Bit
Ukuran Bit | API REG PIN | Torsi | Beurat | |
Inci | mm | Inci | 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 |
Kuantitas Pesanan Minimum | N/A |
Harga | |
Rincian bungkusan | Paket Pangiriman Ékspor Standar |
Waktos pangiriman | 7 dinten |
Sarat pamayaran | T/T |
Kamampuhan suplai | Dumasar Urutan Detil |