-
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
-
-
-
-
Geological Drill Pipe
Description
- 产品描述
-
Product Overview
This geological drill pipe is specifically designed for mineral exploration, coalfield geology, and nuclear‑industry drilling applications. It boasts exceptional fatigue resistance and can accommodate fractured and alternating strata; its plain‑end (flat‑wall) design effectively reduces annular drag under complex geological conditions. The product is manufactured in strict accordance with DZ standards and offers custom thread types to match the technical specifications of various original‑equipment manufacturers’ drilling rigs.
Product Description
• Basic Information: This geological drill pipe is specifically designed for exploration drilling in complex geological conditions. Its flush‑joint design ensures a smooth outer diameter, effectively reducing drag and annular resistance when penetrating fractured or unstable formations. Outstanding fatigue resistance guarantees reliable performance in alternating soft and hard strata. The product is manufactured from high‑strength alloy steel and features precision‑machined threads.
• Application scenarios: mineral exploration drilling; coalfield geological surveys; nuclear industry exploration; hydrogeological investigations; geotechnical drilling for construction and infrastructure projects.
• Product Advantages: Outstanding fatigue resistance suitable for complex formations; flush‑joint design reduces annular drag; customizable threads to match existing drilling rigs; 100% nondestructive testing (NDT) on every drill pipe; traceable material certifications.
• Customer Case Feedback: Widely applied in mineral exploration, coalfield geology, and hydrogeological survey projects, meeting customers’ requirements for high fatigue resistance and reliable threaded connections.
Frequently Asked Questions (FAQ)
Q: What is an external flat joint design?
A: This design features a smooth outer diameter, intended to reduce annular drag.
Q: Can you match the threads of my existing drilling rig?
A: Yes, we offer custom thread type services.
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.
Geological Drill Pipe
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