Mayhew Junior Friction Welded Rod 2 7/8 "Shoulder 79mm 2 - 3/8" REG
Keuntungan:
1, Pengerjaan: Taper rod dengan pengobatan karburasi.
2, batang bor meruncing memiliki kehidupan yang sulit, mentransfer energi perkusi dari bor batu ke bit pengeboran dan kemudian ke batu.Mereka juga mengalami tekanan lentur yang tinggi, belum lagi air korosif di lubang pembilasan.
Spesifikasi:
| Nama | SEBUAH | B | C | D | E | F | G | H |
| ALAT BERSAMA: 1 | ||||||||
| 23/8 API Reguler | 2-3 / 8 " | 3-1 / 8 " | 2-5 / 8 " | 3 | 5 | 3 | 60 ° API | 1 |
| 27/8 API Reguler | 2-7 / 8 " | 3¾ | 3 | 3½ | 5 | 3 | 60 ° API | 1¼ |
| 3½ API Reguler | 3½ | 4¼ | 3½ | 3¾ | 5 | 3 | 60 ° API | 1½ |
| 4½ API Reguler | 4½ | 5½ | 4-5 / 8 " | 4¼ | 5 | 3 | 60 ° API | 2¼ |
| 23/8 API Flush Internal | 2-3 / 8 " | 3-3 / 8 " | 2-7 / 8 " | 3 | 4 | 2 | 60 ° API | 1¾ |
| 27/8 API Flush Internal | 2-7 / 8 " | 4-1 / 8 " | 325/64 | 3½ | 4 | 2 | 60 ° API | 2-1 / 8 " |
| 3½ API Flush Internal | 3½ | 4¾ | 41/64 | 4 | 4 | 2 | 60 ° API | 211/16 |
| 23/8 Mayhew Junior | 2-3 / 8 " | 2¾ | 221/64 | 2¼ | 4 | 2 | 60 ° Mod.API | 1½ |
| 23/8 Mayhew Biasa | 2-3 / 8 " | 3¼ | 235/64 | 3 | 4 | 1½ | 60 ° Mod.API | 1-5 / 8 " |
| 27/8 Mayhew Lubang Penuh | 2-7 / 8 " | 3¾ | 33/64 | 3-3 / 8 " | 4 | 1½ | 60 ° Mod.API | 2 |
| 23/8 Eksplorasi Gagal | 2-3 / 8 " | 231/32 | 2½ | 2¾ | 4 | 2 | 60 ° Mod.API | 1½ |
| 27/8 Eksplorasi Gagal | 2-7 / 8 " | 3¾ | 3-1 / 8 " | 3¼ | 4 | 2 | 60 ° Mod.API | 1-7 / 8 " |
| 23/8 Hughes Acme Regular | 2-3 / 8 " | 3-1 / 8 " | 219/32 | 3 | 4 | 3-3 / 8 " | 29 ° Acme | 1 |
| 23/8 Musim Dingin Weiss | 2-3 / 8 " | 3¼ | 235/64 | 3 | 4 | 1½ | 60 ° Mod.API | 1½ |
| 27/8 Musim Dingin Weiss | 2-7 / 8 " | 37/16 | 235/64 | 3 | 4 | 1½ | 60 ° Mod.API | 1½ |
| 3½ Lubang Penuh API | 3½ | 4-5 / 8 " | 4 | 3¾ | 5 | 3 | 60 ° Mod.API | 27/16 |
| FLUSH JOINT TAPERED THREAD² | ||||||||
| United Geophysical (111/16 OD) | 111/16 | 111/16 | 1-3 / 8 " | 1 | 6 | 3 | 29 ° Acme | 1 |
Foto-foto
