Home > Products > Drilling Tools > API Rotary Kelly(Square Kelly and Hexagonal Kelly) for oilfield
API Rotary Kelly(Square Kelly and Hexagonal Kelly) for oilfield
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Product Details
Place of Origin: | Shandong, China | Brand Name: | DYQX | Model Number: | Size |
Type: | Drill Pipe | Machine Type: | Drilling Tool | Certification: | API |
Material: | Carbon Steel | Processing Type: | Forging | Use: | Well Drilling |
Packaging Details
Exporting standard packing
Product Description
Specifications
Manufactured from AISI 4145H-modified
fully heat-treated alloy steel with a Brinell hardness range of 285-341
Kelly is the drive part of whole drill string, it transmit the torsional energy from the
rotary table to the bit in the bottom of the hole. DYQX Petro precision-machined Kelly
is a heavy square or hexagonal steel bar supported by the swivel through the
rotary table and connected to the first joint of drill pipe in the drill string.
TIANHE Kelly has been approved by the NS-1 certification. Straightness is the key manufacturing process. Straightness is checked before, during and after each machining operation. Flats are precision-milled to API and NS-1 specifications. All milling is performed on specially designed rigid Kelly mills. Each DYQX Petro Kelly is
furnished with a pressed steel thread protectors.
Features and Benefits
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;
Ends and drive sections, IDs and connections machined and inspected to API
and NS-1 specifications;
Kelly bars ultrasonically inspected over full length and section;
Shipped in a protective steel-cased scabbard;
When ordering Please specify:
Kelly type (square or hexagonal);
Nominal size and overall length;
Upper and lower Connections.
Specifications - Rotary Kelly
Nom Size (in) |
Square kelly Product Code | Hexagonal Kelly Product Code |
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 | Z03-130000 |
| 6 5/8REGLH 7 3/4 | 4 1/2REGLH 5 3/4 | NC26 85.7 |
| 1 1/4 |
| 3 1/4 |
|
3 | Z03-130100 | Z04-130000 | 6 5/8REGLH 7 3/4 | 4 1/2REGLH 5 3/4 | NC31 4 1/8 | NC26 3 3/8 | 1 3/4 | 1 1/4 | 3 3/8 | 3 3/8 |
3 1/2 | Z03-130200 | Z04-130100 | 6 5/8REGLH 7 3/4 | 4 1/2REGLH 5 3/4 | NC38 4 3/4 | NC31 4 1/8 | 2 1/4 | 1 3/4 | 4 7/16 |
4 |
4 1/4 | Z03-130300 | Z04-130200 | 6 5/8REGLH 7 3/4 | 4 1/2REGLH 5 3/4 | NC46 6 1/4 | NC38 4 3/4 | 2 13/16 | 2 1/4 | 5 1/2 | 4 4/5 |
Z03-130400 | Z04-130300 | 6 5/8REGLH 7 3/4 | 4 1/2REGLH 5 3/4 | NC50 6 3/8 | NC38 4 3/4 | 2 13/16 | 2 1/4 | 5 1/2 | 4 4/5 | |
5 1/4 | Z03-130500 | Z04-130400 | 6 5/8REGLH 7 3/4 |
| 5 1/2FH 7 | NC46 6 1/4 | 3 1/4 |
3 | 6 3/4 | 5 29/32 |
Z03-130600 | Z04-130500 | 6 5/8REGLH 7 3/4 |
| NC56 7 | NC50 6 3/8 | 3 1/4 | 3 1/4 | 6 3/4 | 5 29/32 | |
6 |
| Z04-130600 | 6 5/8REGLH 7 3/4 |
|
| 5 1/2FH 7 |
| 3 1/2 |
| 6 13/16 |
| Z04-130700 | 6 5/8REGLH 7 3/4 |
|
| NC56 7 |
| 3 1/2 |
| 6 13/16 |
Company Profile
Dongying Qixiang Import &Export Co.,Ltd(hereinafter as DYQX Petro company) was founded in January, 2002, in the Yellow River delta (Shengli Oil Field, the second large oil field in China)--- Dongying City, Shandong Province. Its business covers drilling rig, workover rig, solids control equipment, oil production equipment,OCTG ,wellhead & downhole tools and spare parts drilling rig supporting and drilling strings and other equipments related with petroleum. Strictly abide by ISO9001 quality system certification and API standard.
DYQX Petro company follow the principle of "quality first, science and technology innovated, people oriented",, it benefits from the convenient running, high efficiency, swift reaction, experienced experts and the advanced management. In a meanwhile, it has about 50 sub-contractors to cooperate all over the country, and it always sticks to good faith, strictness, specialty, innovation, also satisfactory service.our products have already been exported to USA, South America, Africa, Middle East, Russia and some other countries (regions).
The target of DYQX Petro company Enterprise: To establish an international first-class enterprise, and become a professional petroleum equipment supplier and oilfield engineering services company.; "providing the most qualified products, most competitive prices and most professional service for every customer " as its mission.
DYQX Petro company mainly engages in offering oil drilling and production equipment and providing oilfield technical service.Our target is to supply our products and spread company culture to all over the world. We will build a new stage, and we will welcome all the friends from all over the world, to cooperate sincerely and create our brilliant future!
Contact Us
- Dongying Qixiang Import & Export Co., Ltd.
- Contact nameEve Liu
- Phone0086-0543-7613911
- AddressNo. 352, North 2nd Road, Dongying Dist.
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