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Product profile
Customization
AvailableAfter-sales Service
Technical Support / Document SupportWarranty
1 YearManufacturing Process
CNC Turning / CNC MachiningSurface Treatment
Phosphating / Painting / Copper Plating / Anti-RusOperation Pressure
According to Pipe Grade and Thread TypeMaterial
Carbon Steel / Alloy SteelStandard
API 5CT, API 5bProduct Type
Casing Coupling, Tubing CouplingThread Type
Stc, Ltc, Btc, Nue, Eue, Premium ThreadSize Range
2-3/8" to 20" or According to InquirySteel Grade
J55, K55, N80, L80, P110, Q125, C90, T95, C95, C11Application
OCTG Casing and Tubing String ConnectionInspection
Visual Inspection, Dimensional Inspection, ThreadDocuments
Mtc, Coc, Dimensional Report, Thread Inspection ReManufacturing Type
Finished Coupling, Semi-Finished Coupling, OEM MacTraceability
Heat Number, Batch Number, Material Certificate anTransport Package
Pallet / Wooden Case / Seaworthy PackingSpecification
API 5CT, API 5B, 2-3/8" to 20", STC/LTC/BTC/EUE/NUOrigin
ChinaHS Code
843143100Production Capacity
3000 Pieces/MonthKey features
API 5CT Casing and Tubing Coupling Supply
SWS supplies API 5CT casing couplings and tubing couplings for OCTG pipe connection in drilling, completion, production and workover operations.
API 5B Thread Machining Capability
STC, LTC, BTC, NUE and EUE threads can be machined according to API 5B or customer project requirements.
Premium and Customer-Specified Thread Support
Premium or customer-specified thread machining can be supported according to authorization scope, drawings, gauges and project requirements.
Wide Material Grade Options
Available steel grades include J55, K55, N80, L80, P110, Q125, C90, T95, C95, C110, 13Cr, L80-9Cr and L80-13Cr, with special grades available upon request.
Precision-Machined Internal Threads
Internal threads are machined with controlled thread profile, pitch, taper and dimensional accuracy to support reliable make-up and connection performance.
Inspection and Traceability Support
Dimensional inspection, thread gauge inspection, visual inspection, material traceability and marking control can be arranged according to order requirements.
Complete Document Package Available
MTC, COC, dimensional inspection report, thread inspection report, packing list and other project documents can be provided when required.
OEM and Project-Based Coupling Manufacturing
SWS supports standard coupling supply, small-batch production, OEM machining and project-based OCTG coupling orders with export-ready packing.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 11 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤5.38h
About Our Factory & Business Background
Address327, Dapu'an, Pu'an Village Committee, Lijia Town, Wujin District, Changzhou City
Plant Area2000 square meters
Number of Employees25
Registered Capital10,000,000 RMB
Terms of PaymentT/T
International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW
Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: within 15 workdays
Minimum Order Quantity1 pcs
Supply Chain Partners16
Our Production Capability & Technical Expertise
Main ProductsFloat Shoe, Float Collar, Stage Collar, Liner Hanger, Float Coupling, Cementing Head, Cementing Plus, Centralizer, Stop Collar, Casing Tubing, Pup Joint, Crossover, Blast Joint, Coupling
Production Lines6
Production MachinesCutting Facility, Roughing Facility, Thread Facility
QA/QC inspectors5 people
Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)
Inspection Method for Finished ProductsHave instructions and uniformly followed
R&D Engineers3 people
Traceability of Raw MaterialsYes
Our Industry Experience & Global Business Record
Year of Establishment2015-11-11
Main MarketsSouth America, Europe, Southeast Asia/ Mideast
Repeat Buyers Choice50%~80%
Number of Foreign Trading Staff3
Overseas Agent/BranchNo
New Products Launched in Last yearYes
Our Certifications, Standards & Industry Recognition
Management System CertificationISO9001:2015, ISO45001:2018, ISO14001
Product CertificationOthers
Cooperated with Fortune 500Yes
Product Q&A
Q:What information is required for an API 5CT coupling quotation?
A:
Please provide product type, size, weight, steel grade, thread type, quantity, surface treatment and required documents. If drawings, MTO or tender specifications are available, please send them together for faster technical confirmation.
Q:Can you supply both casing couplings and tubing couplings?
A:
Yes. We can supply casing couplings and tubing couplings according to API 5CT, API 5B and customer project requirements. Final specifications shall be confirmed based on pipe size, weight, grade and thread type.
Q:What thread types are available for API couplings?
A:
Available API thread types include STC, LTC and BTC for casing couplings, and NUE and EUE for tubing couplings. Thread machining can be arranged according to API 5B or customer requirements.
Q:Can you support premium or customer-specified thread couplings?
A:
Yes. Premium or customer-specified thread machining can be supported according to authorization scope, drawings, gauges and project requirements. Please confirm the exact connection type before ordering.
Q:What steel grades can you supply?
A:
Common steel grades include J55, K55, N80, L80, P110, Q125, C90, T95, C95, C110, 13Cr, L80-9Cr and L80-13Cr. Special grades can be reviewed according to project requirements.
Send Inquiry
*To:Jiangsu Service Petroleum Technology Co., Ltd.
*Content:
Supplier replies will be sent to your registered email
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