Home > Products > Drilling Tools > API 4145H & square or hexagonal Kelly 6 5/8REG 7 3/4 NC31
API 4145H & square or hexagonal Kelly 6 5/8REG 7 3/4 NC31
- 10000 Ton / Tons per Month
- main ports
- T/T
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Black 2-3/8 to 6-5/8 full range of jointed drill pipe API 5DP
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Black 2-3/8 to 6-5/8 full range of jointed drill pipe API 5DP made in China
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API and H-90 connections Drill Collar cold rolled Pressed steel thread protectors
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API and H-90 connections Drill Collar cold rolled Pressed steel thread protectors
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API and H-90 connections 285 to 341 BHN hardness Drill Collar cold rolled Pressed steel thread protectors
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API and H-90 connections 285 to 341 BHN hardness Drill spiral Collar cold rolled Pressed steel thread protectors
Product Details
| Condition: | New | Place of Origin: | Shandong, China | Brand Name: | sinotai |
| Certification: | API | Warranty: | 12months | After-sales Service Provided: | Engineers available to service machinery overseas |
Packaging Details
according to the requirment
Product Description
Features and Benefits
1.Manufactured from AISI 4145H-modified, fully heat-treated alloy steel with a Brinell hardness range of 285-341 and a minimum average Charpy impact value of 40 ft-lbs;
2.Ends and drive sections, IDs and connections machined and inspected to API and NS-1 specifications;
3.Kelly bars ultrasonically inspected over full length and section;
4.Shipped in a protective steel-cased scabbard;
When ordering Please specify:
5.Kelly type ();
6.Nominal size and overall length;
7.Upper and lower Connections.
Specifications - Rotary Kelly
Kelly
Nom | Top Connection(LH) | Bottom Connection | I.D.(in) | Drive Section(in) | ||||
Standard O.D.(in) | Optional O.D.(in) | Square O.D.(in) | Hex. O.D.(in) | Square | Hex. | A | B | |
2 1/2 | 6 5/8REG 7 3/4 | 4 1/2REG 5 3/4 | NC26 85.7 | 1 1/4 |
| 3 2/7 |
| |
3 | 6 5/8REG 7 3/4 | 4 1/2REG 5 3/4 | NC31 4 1/8 | NC26 3 3/8 | 1 3/4 | 1 1/4 | 4 | 3 3/8 |
3 1/2 | 6 5/8REG 7 3/4 | 4 1/2REG 5 3/4 | NC38 4 3/4 | NC31 4 1/8 | 2 1/4 | 1 3/4 | 4 1/2 | 4 |
4 1/4 | 6 5/8REG 7 3/4 | 4 1/2REG 5 3/4 | NC46 6 1/4 | NC38 4 3/4 | 2 4/5 | 2 1/4 | 5 4/7 | 4 4/5 |
6 5/8REG 7 3/4 | 4 1/2REG 5 3/4 | NC50 6 3/8 | NC38 4 3/4 | 2 4/5 | 2 1/4 | 5 4/7 | 4 4/5 | |
5 1/4 | 6 5/8REG 7 3/4 | 5 1/2FH 7 | NC46 6 1/4 | 3 1/4 | 3 | 7 | 6 | |
6 5/8REG 7 3/4 | NC56 7 | NC50 6 3/8 | 3 1/4 | 3 1/4 | 7 | 6 | ||
6 | 6 5/8REG 7 3/4 | 5 1/2FH 7 | 3 1/2 | 6 4/5 | ||||
6 5/8REG 7 3/4 | NC56 7 | 3 1/2 | 6 4/5 | |||||
Company Profile
As a professional supplier of OCTG, drilling equipment and workover service, Sinotai Petroleum Equipment Co., Ltd. lies in the production base of petroleum equipment and China's second largest oil field --Shengi Oilfield. Our company is a high-tech enterprise in Dongying City with business scope covering the sale, trading, post-sale service and technological development of a wide variety of petroleum equipment.
Besides OCTG, we provide our customers with other drilling and oil recovery equipment like fishing tools, cementing tools, workover rigs, pumping units and OCTG accessories.
The striving target of our company is "Prestige first, Quality supreme; The shortest delivery time, The lowest price, The best quality". Customers' needs are our first priority and customer satisfaction is the bottom line by which we measure our success.
Contact Us
- Sinotai Petroleum Equipment Co., Ltd.
- Contact nameHerish Kuo
- Phone86-546-8300512
- AddressNo. 107, Bldg. 45, Gaoerfu, Wanda, Dongcheng
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