Xi'An Tiptop Machinery Co., Ltd.
| Payment Terms | T/T, L/C, D/A, D/P |
| Supply Ability | 1000 pcs per month |
| Delivery Time | 10-60 days |
| Packaging Details | seaworthy wooden box |
| OD | 4 1/8''~8'' |
| Connection | API |
| ID | 19/32''~1 3/8'' |
| Key Word | Back off Spear |
| Product Name | Back off Sub |
| Function | Release Taper Tap |
| Type | Downhole Fishing Tool |
| Brand Name | TIPTOP |
| Model Number | Back off Sub |
| Certification | Inspection Certificate |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C, D/A, D/P | Supply Ability | 1000 pcs per month |
| Delivery Time | 10-60 days | Packaging Details | seaworthy wooden box |
| OD | 4 1/8''~8'' | Connection | API |
| ID | 19/32''~1 3/8'' | Key Word | Back off Spear |
| Product Name | Back off Sub | Function | Release Taper Tap |
| Type | Downhole Fishing Tool | Brand Name | TIPTOP |
| Model Number | Back off Sub | Certification | Inspection Certificate |
| Place of Origin | China | ||
| High Light | oilfield fishing tools ，overshot fishing tool | ||
Back off Sub, Back off Spear, Downhole Fishing Tool, 4 1/8''~8''
Back-off sub is also called back off spear. Back off sub can replace taper tap in back-off operation while dealing with stuck accident. When fishing or backing off, if fish is stuck or cannot back-off, it can be withdrawn at the back off sub, and lifts out fishing drill tool.
Please email us for your back off spear inquries.
Specification
| OD mm (inch) | Connection | ID mm (inch) | OAL mm (inch) |
| 105 (4 1/8) | NC31B LH×NC31P | 15 (19/32) | 580 (22 13/16) |
| 121 (4 3/4) | NC38B LH×NC38P | 22 (57/64) | 628 (24 3/4) |
| 159 (6 1/4) | NC50B LH×NC50P | 28 (1 1/8) | 690 (27 3/16) |
| 165 (6 1/2) | NC50B LH×NC50P | 28 (1 1/8) | 690 (27 3/16) |
| 168 (6 5/8) | NC50B LH×NC50P | 28 (1 1/8) | 690 (27 3/16) |
| 178 (7) | 6 5/8REGB LH×6 5/8REP | 32 (1 1/4) | 700 (27 9/16) |
| 203 (8) | 6 5/8REGB LH×6 5/8REP | 35 (1 3/8) | 723 (28 1/2) |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Exporter,Trading Company,Seller,Other
Year Established:
2006
Total Annual:
5000000-10000000
Employee Number:
50~200
Ecer Certification：
Active Member
Tiptop was established in the year of 2006, located in the center of China, Xi’an City, which is an ISO certified comprehensive manufacturer & distributor in the field of Oil & Gas upstream, downhole drilling tools, downhole fishing tools, downhole mud motor, and servicing the worldwid... Tiptop was established in the year of 2006, located in the center of China, Xi’an City, which is an ISO certified comprehensive manufacturer & distributor in the field of Oil & Gas upstream, downhole drilling tools, downhole fishing tools, downhole mud motor, and servicing the worldwid...
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