XI'AN KINGWELL OILFIELD MACHINERY CO.,LTD
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Price: | 10.0 USD |
Payment Terms: | T/T,L/C,D/A,D/P |
Place of Origin: | Shaanxi, China (Mainland) |
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API Spec 9-1/2" Drill Collar
1.Standard: API Spec 7-1
2.Material: AISI 4145 H Modified Alloy Steel
3.Export Percentage: 95%
4.Supply Ability: 1000 sets per month
5. Main Market: Middle East, North America, Europe
6. Delivery time: 10 days in stock, 30 days after advance payment
FACTORY DERICTLY!!
Generally Introduction:
Drill Collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole track by large rigidity. TIANHE brand drill collars are manufactured strictly from API Spec7-1 and SY5411 standard.
Types of Drill Collar we offer:
1. Api spiral drill collar
2. Slick drill collar
3. Non-magnetic drill collar
Detailed Specification:
Technical specifications and parameters
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Our recently produced Drill Collar:
Warrantee:
1. All of our goods give 1 year warranty.
2. Within guarantee period, we supply free after service. After guarantee period, we supply square parts in 20% discount.
Please contact me freely if you are interested in our products.