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BHA Downhole Drilling String API Drill Collar
US$2,000.00-5,000.00
1 Piece
Product profile
Customization
AvailableAfter-sales Service
Online ServicesWarranty
One YearModel NO.
All sizesCertification
APIPower Source
NoneOperation Pressure
NoneApplicable Medium
Mud, Water, Natural Gas, Crude Oil, SlurryStructure
Spiral, StraightMaterial
AlloyThread Connection
Nc, If, Reg, etc.Length
30FT, 31FTStructure Types
Spiral, Straight, Slip, Recess, etc.Bore Diameter
1-1/4" - 3"Transport Package
Wooden Case, FrameSpecification
3-1/8" - 11"Trademark
JX petroOrigin
ChinaHS Code
84314310Production Capacity
10000PCS/MonthsKey features
API Certified Quality: Complies with API Spec 7/7-1 and API RP7G guidelines for dimensional and handling requirements.
Spiral Groove Design: Reduces wall contact area by 40% and minimizes differential sticking while maintaining weight.
Customizable Dimensions: Available in 30FT or 31FT lengths with bore diameters ranging from 1-1/4 to 3 inches.
Diverse Connection Options: Supports NC, IF, REG, and other thread connections to meet specific drilling needs.
High-Strength Material: Manufactured from AISI 4145H modified steel for durability and weight concentration.
Non-Magnetic Option: Nonmagnetic drill collars made of corrosion-resistant stainless steel for survey instruments.
One Year Warranty: Covers mechanical defects with replacement or credit for defective items within one year.
Online Technical Support: Dedicated online services available for order inquiries and technical assistance.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2022-09-05 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.30h CertifiedTerms of Payment: LC, T/T, PayPal, etc.
AI-Powered supplier vetting
SummaryJX PETRO is a China-based factory and limited company founded in 2005, specializing in petroleum drilling and production equipment. The supplier reports API certification, ISO9001, ISO14001, and ISO45001 certifications, six production lines, professional processing and testing equipment, and a manufacturing facility of 11,000–18,000 square meters as reported in different slices. Its product range covers sucker rods, mud pumps, well control and wellhead equipment, downhole tools, handling tools, and rig accessories. The supplier has self-operated import and export rights, but exports reportedly account for only 1%–10% of sales and its primary market is domestic. Evidence supports manufacturing capability, certification, and some R&D activity, including six national patents. No sufficient evidence is provided regarding after-sales service systems, customization capability, or specific customer cases. Financial assessment is limited because financial figures are excluded.
Supplier typeThe supplier is explicitly identified as a factory and as a limited company engaged in manufacturing and supplying petroleum drilling and production equipment. Its stated establishment year is 2005, and its operations are located in Shandong, China.
CertificationsThe supplier states that it holds API certification and ISO9001:2015, ISO14001:2015, and ISO45001:2016 certifications covering quality, environmental, and occupational health and safety management. These certifications provide explicit evidence of formal management-system and product-certification coverage.
R&D capabilityThe supplier reports investment in production technology R&D and talent development, 15 professional and technical personnel, three years of R&D engineer experience, and six national patents. These statements explicitly support the existence of R&D and patent activity, although the scope and commercial impact of the innovations are not detailed.
Production capacityProduction capability is supported by six production lines, 26 large-scale processing machines, more than 20 testing devices, and a reported manufacturing area of 11,000 square meters in one slice and 18,000 square meters in another. The supplier also reports 50 production workers in its company description, while another slice lists 35 total employees, indicating inconsistent workforce data that should be verified.
Product Q&A
Q:How can I place an order?
A:
You can contact us by email about your order details, or place an order online.
Q:How can I pay you?
A:
After you confirm our PI, we will request you to pay. T/T and Western Union are the most usual ways we are using.
Q:What's the order procedure?
A:
First we discuss order details and production details by email or TM. Then we issue you a PI for your confirmation. You will be requested to do prepaid full payment or deposit before we go into production. After we get the deposit, we start to process the order. We usually need 15-25days if we don't have the items in stock. Before production has finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we start to prepare the shipment for you.
Q:How do you take care when your clients received defective products?
A:
replacement. If there are some defective items, we usually credit them to our customer or replace them in the next shipment.
Q:How do you check all the goods in the production line?
A:
We have spot inspection and finished product inspection. We check the goods when they go into the next step production procedure
Send Inquiry
*To:
Dongying Kenli Jinxiu Petroleum Machinery Co., Ltd
Dongying Kenli Jinxiu Petroleum Machinery Co., Ltd*Content:
Supplier replies will be sent to your registered email
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