Lifting Sub
- Manufactured from 4145M or 4140HT alloy steel.
- All lifting subs are complied with API standard.
- A lift sub enables the safe, effective and efficient handling of straight OD tubular such as drill collars, shock tools, directional equipment jars, and other tools using the drill pipe elevators.
- Lift subs are simply screwed to the top of the tool and feature an elevator groove.
- Technical Specification
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- Drawing
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| Elevator groove OD
(inch) |
Sub OD
(inch) |
Length
(inch) |
Connection |
| 2-3/8 | 2-7/8 |
36/47 |
NC23 |
| 2-7/8 | 3-1/2 | NC26 | |
| 3-1/2 | 4-1/8, 4-3/4 | NC31, NC38 | |
| 4-1/2 | 6-1/4 | NC46 | |
| 5 | 6-1/2, 7 | NC46, NC50, 5-1/2FH | |
| 5-1/2 | 8 | NC56,5/8REG | |
| 6-5/8 | 9 | 7-5/8REG | |
| Lifting sub can be customized as per customer’s design. | |||
Lifting sub is the special tools for lifting of the drill tools in petroleum, natural gas industry and geologic exploration. There’re two types for drill tool lifting sub in structure: type A or B. Type A lift sub is with 18 degree shoulder, and type B is with 90 degree shoulder. All lifting subs are complied with API standard.
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Please send us your inquiry with detail item description or with Model number. If there is no packing demand we take it as our regular exported standard packing. We will offer you an order form for filling. We will recommend you the most suitable model according to information you offered.
We can give you really high quality products with competitive price. We have a better understanding in Chinese market, with us your money will be safe.
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Lake Petro is located in Dongying City, which is famous for Shengli Oilfield and the largest manufacturing hub of petroleum equipment in China. Following the principle of “quality first, science and technology innovated, people oriented”, every Lake Petro person is sparing no effort to provide the customers with best products and services. Our products are based on advanced production line and testing equipment, our products are designed and manufactured according to certification of API, ISO, GOST, etc.