-
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
-
-
-
-
Tool Joint
Description
- 产品描述
-
Product Overview
Drill pipe joints are forged steel components joined to the drill pipe body via friction welding. Each joint assembly consists of a pin and a box, providing the necessary threaded connections for drill string assembly and torque transmission. Our product range covers NC, IF, FH, REG, PAC, SLH, and DS thread types.
Product Description
• Basic Information: Drill pipe joints are forged and heat-treated steel components joined to the drill pipe body via friction welding. They provide the threaded connections necessary for assembling the drill string and transmit torque during drilling operations. Each drill pipe joint comprises a pin (male) and a box (female), manufactured in accordance with API specifications, featuring precision‑machined threads and optimized fluid‑circulation passages.
• Application scenarios: Connects the individual sections of drill pipe within the drill string; provides threaded connections between each drill pipe; is an indispensable component in all drilling operations.
• Product Advantages: Made from high-strength alloy steel; precision-machined API threads; male–female connector design; equipped with a fluid circulation channel; customizable thread types available.
• Customer Case Feedback: Widely used in drilling contractor projects across the Middle East, Russia, and Central Asia—regions with stringent requirements for high make‑up torque and thread durability. Customers report outstanding connection reliability and extended service life.
Frequently Asked Questions (FAQ)
Q: What thread types are available?
A: NC, IF, FH, REG, PAC, SLH, and DS series.
Q: How are drill pipe joints connected?
A: It is typically joined to the drill pipe body via friction welding.
FAQs
Need more technical support?
Can the internal coating be repaired or repainted?
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?
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?
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?
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?
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.
Tool Joint
OUR SERVICE
We offers a wealth of product support resources, including a range of technical and downloadable product manuals to product certifications.
Customization Product Catalog
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