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Premium API 7-1 Slick and Spiral Drill Collars for Sale
US$4,000.00
10-19 sets
US$3,900.00
20+ sets
Product profile
Customization
AvailableCustomized
CustomizedType
Spiral Drill CollarModel NO.
API SPEC 7-1Usage
Oil Mining, Well DrillingWeight (Kg)
200Condition
NewLocal Service Location
NoneKeyword
Kelly Drill PipeUse
Well DrillingDimension(L*W*H)
2000*150*150mmEnd Protector
Plastic Pipe CapCertification
APIWarranty of Core Components
1 YearSurface
PaintingApplicable Industries
Energy & MiningMarketing Type
Ordinary ProductCore Components
Bearing, Gear, PumpFeatures
Safe and StableMachinery Test Report
ProvidedTransport Package
Iron ShelvesSpecification
Up to the quantitiesTrademark
GOLDENMANOrigin
Shandong, ChinaHS Code
843143Production Capacity
1000pieces/YearKey features
API 7-1 Certified Quality: Manufactured to API Spec 7-1 standards ensuring safety, reliability, and field compatibility.
Superior Weight on Bit: Heavy mass and large cross-section deliver required force and rigidity for efficient rock cutting.
High Fatigue Resistance: Premium alloy steel with heat treatment endures demanding down-hole axial and torsional stresses.
Improved Directional Control: Increased stiffness prevents buckling and excessive bending, aiding in directional drilling.
Customizable Specifications: Tailored diameters, wall profiles, lengths, and materials for specific well conditions.
Advanced Manufacturing: Equipped with CNC machining, heat-treating, and NDT capabilities for high precision.
Global Logistics Support: Strong export experience with on-time delivery and comprehensive documentation support.
Low Minimum Order: Flexible purchasing with a Minimum Order Quantity of just 1 piece.
Company profile
CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 18 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤3.19h
About Our Factory & Business Background
AddressDongying, Shandong, China
Plant Area565 square meters
Number of Employees21
Registered Capital10,000,000 RMB
Terms of PaymentT/T, D/P, Western Union, PayPal, LC, Small-amount payment
International Commercial Terms(Incoterms)FOB, CIF, EXW, CFR
Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays
Minimum Order Quantity1 Pc
Supply Chain Partners40
Our Production Capability & Technical Expertise
Main ProductsDrill Pipe; Heavy-Weight Drill Pipe; Drill Collars; Annular Bop
QA/QC inspectors1 people
Inspection Type for Finished ProductsRandom inspection(Visual inspection)
Inspection Method for Finished ProductsHave instruction but no written records
R&D Engineers2 people
Traceability of Raw MaterialsNo
Own BrandYes
Our Industry Experience & Global Business Record
Year of Establishment2006-03-09
Main MarketsAfrica
Repeat Buyers Choice50%~80%
Annual Export Revenue32,215,943 RMB
Number of Foreign Trading Staff12
Overseas Agent/BranchNo
New Products Launched in Last yearNo
Product Q&A
Q:What standards do the drill collars comply with?
A:
They are manufactured to API Spec 7-1 (Rotary Drill Stem Elements) and other relevant API/ISO requirements.
Q:What materials are used for the drill collars?
A:
They are made from premium alloy steel bars (e.g., AISI 4145H) or non-magnetic alloys, heat-treated for strength and durability.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 1 piece, allowing for flexible purchasing options.
Q:Can the drill collars be customized?
A:
Yes, we offer customizable sizes, grades, wall thicknesses, connection types, and non-magnetic variants to suit specific well conditions.
Q:What is the typical lead time for delivery?
A:
The average lead time is within 15 workdays for both peak and off-season periods.
Send Inquiry
*To:
Goldenman Petroleum Equipment Co., Limited
Goldenman Petroleum Equipment Co., Limited*Content:
Supplier replies will be sent to your registered email
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