-
Drill Pipe
View Products
Heavy Weight Drill Pipe
View Products
Drill Collar
View Products
Kelly
View Products
Tool Joint
View Products
Surface Protection & Internal Coating
View Products
Specialty Drill Products
View Products
-
-
-
-
Customer Support
We can customize high-performance drill pipe assemblies of various sizes according to customer needs.
1. Multi-Standard Customization Support
We manufacture drilling tools compliant with GB, American and European standards. We also develop special-spec oil, shale gas, geothermal and geological exploration drilling tools as per your project requirements, including high-torque, double-shoulder and sulfur-resistant tools with premium LV150 steel.
2. Full In-House Manufacturing Capacity
Equipped with complete production lines for friction welding, pipe upsetting, heat treatment and hardbanding welding, we finish all processes of drill collars and heavy weight drill pipes in our factory. No outsourced processing to guarantee consistent customization quality.
3. Certified Customized Quality & Third-Party Inspection
All custom products follow ISO9001, GOST RTN and NS-1 quality systems. Finished customized tools pass strict third-party tests from professional oil pipe inspection institutions. Our custom items are qualified for global oilfield, mining and nuclear industry applications.
Frequently Asked Questions
Answers to All Your Burning Questions !
Need more technical support?
If you require product selection advice or have any technical questions about your drilling project, Hebei Langwei’s experienced technical team is here to provide expert support. We can tailor solutions to your specific drilling conditions and deliver prompt, efficient technical services to customers worldwide.
Can the internal coating be repaired or repainted?
Sure.
Based on the actual service conditions of drill pipes, locally damaged or worn internal coatings may be inspected, repaired, or re-coated.
Prior to repair, a comprehensive inspection will be conducted to assess internal corrosion, wall thickness, the condition of the existing coating, and the overall structural integrity. Following surface treatment, an FBE internal coating will be reapplied, and curing will be carried out under rigorously controlled process conditions to restore the component’s corrosion resistance, wear resistance, and fluid‑flow‑optimizing performance.
Regular inspection and timely repair of the internal coating help extend the service life of drill pipes and enhance the operational reliability of the drilling system.
How to choose the right internal coating?
The selection of the internal coating should comprehensively consider factors such as well depth, drilling environment, drilling fluid system, operating temperature, corrosion severity, circulation rate, and expected service life.
Hebei Langwei offers four FBE internal coating systems with varying performance grades to meet diverse drilling requirements:
LPC3000P: Suitable for conventional oil and gas wells, water wells, and geothermal wells;
LPC3000P-HD: Suitable for deep wells, horizontal wells, extended-reach wells (ERD), and highly abrasive operating conditions;
LPC5000P: Suitable for deep wells, ultra-deep wells, and drilling operations with stringent requirements for hydraulic efficiency and service life;
LPC5000P-HD: Suitable for high‑temperature, high‑pressure (HPHT) wells, sour gas and oil wells (H₂S/CO₂), and other extreme drilling environments.
Hebei Langwei’s technical team can, based on the customer’s wellbore configuration, drilling fluid system, operating temperature, circulation rate, corrosive media, and specific drilling conditions, recommend the most suitable internal coating solution, achieving an optimal balance among product performance, service life, and overall total cost of ownership.
What internal coating systems do you offer?
Hebei Langwei offers four distinct performance‑grade fusion‑bonded epoxy (FBE) powder coating systems for drill pipe interiors, catering to a variety of drilling conditions:
LPC3000P: Suitable for conventional oil and gas wells, water wells, geothermal wells, and standard drilling operations;
LPC3000P-HD: Suitable for deep wells, horizontal wells, shale oil and gas wells, and highly abrasive operating conditions, offering superior wear resistance.
LPC5000P: Suitable for deep wells, ultra-deep wells, and high-temperature, complex operating conditions, particularly for projects with stringent requirements for wear resistance, hydraulic efficiency, and service life.
LPC5000P-HD: Designed for ultra-deep wells, high-pressure/high-temperature (HPHT) wells, sour gas wells (H2S/CO2), and other extreme drilling environments, it delivers exceptional wear and corrosion resistance as well as long-term operational reliability.
Why do drill pipes require an internal coating?
During drilling, the inner wall of the drill pipe is continuously subjected to erosion by drilling fluid, solid particles, and corrosive media. Without effective protection, issues such as internal-wall corrosion, erosive wear, and increased flow resistance are likely to occur.
Adopting an FBE internal coating can provide the following advantages:
* Enhance corrosion resistance;
* Enhances resistance to erosion and wear;
* Reduce fluid flow resistance;
* Reduce pump pressure loss;
* Reduces scaling and deposit adhesion;
* Extend the service life of drill rods.
These advantages help improve drilling efficiency while reducing equipment maintenance costs and downtime.
What is an inner coating for drill pipes?
Internal Coating is a high-performance protective layer applied to the inner wall of drill pipe using fusion-bonded epoxy (FBE). It serves to resist corrosion, erosion, and wear caused by drilling fluids, cuttings, and corrosive media, while also enhancing the flow characteristics of the drilling fluid.
Compared with conventional drill pipes, coated‑in‑pipe drill pipes feature a smoother inner surface, which reduces flow resistance and pressure loss, minimizes scale buildup, enhances circulation efficiency, and effectively extends the service life of the drill pipe. They are widely used in oil and gas drilling, geothermal wells, water wells, and other complex drilling operations.
How to choose the right wear-resistant belt?
The selection of wear‑resistant sleeves should comprehensively consider factors such as formation abrasiveness, well depth, drilling method, casing protection requirements, and expected service life.
Hebei Langwei’s technical team can recommend tailored wear‑resistant casing solutions based on specific drilling conditions, achieving an optimal balance among wear resistance, casing protection, and overall life‑cycle costs.
Can worn drill pipes be re-welded with wear-resistant strips?
Sure.
For drill pipe joints that have already been in service, if they pass inspection, the old wear‑resistant layer may be removed and a new wear‑resistant overlay welded on.
After re‑surfacing, the wear resistance of drill pipe joints can be restored, extending the service life of the drill pipes and reducing overall operating costs. All repair processes are carried out in strict accordance with industry standards, ensuring stable and reliable product performance.
What wear-resistant belt materials do you offer?
Hebei Langwei can provide a variety of wear‑resistant belt solutions tailored to customer needs, utilizing internationally recognized wear‑resistant alloy materials and offering installation in accordance with customers’ specified brands or technical requirements.
The technical team will, based on well depth, formation abrasiveness, casing protection requirements, and drilling conditions, recommend suitable wear‑resistant strip materials to achieve an optimal balance between wear resistance and casing protection.
Why do drill rods require wear-resistant bands?
During drilling, drill pipe joints are subjected to prolonged friction against the casing and wellbore wall. Without wear‑resistant sleeves for protection, the joints are prone to wear, which shortens the service life of the drill pipe and increases maintenance and replacement costs.
High-quality wear-resistant belts can:
* Enhance the wear resistance of drill pipe joints;
* Effectively reduces casing wear;
* Extends the overall service life of drill rods;
* Reduce maintenance and replacement costs;
* Improve drilling efficiency in highly abrasive formations.
Customization Requests
All what you need to do is sendingus your samples or drawings and tell us your requirements.
Product Catalog
We offers a wealth of product support resources, including a range of technical and downloadable product manuals to product certifications.
We can customize high-performance drill pipe assemblies of various sizes according to customer needs.
Contact Us
Telephone
Phone/Wechat
Address
052260, East of Beikou, Yingli Town, Jinzhou County, Shijiazhuang City, Hebei Provice, China.
Get in Touch
* Fill in your phone number and email information, and we will promptly contact you within one business day to address your concerns as soon as possible.
-
-
扫一扫
微信二维码
关注我们
-
E-mail
-
WhatsApp
-
Telephone
-
Business Card