Anti Corrosion Drilling Spool Adapter API Spec 16A Drilling Spacer Spools

Product Overview

The Anti-Corrosion Drilling Spool Adapter, designed to API Spec 16A standards, is engineered for reliable and long-lasting performance in demanding wellhead operations. Constructed from premium corrosion-resistant alloy steel, this drilling spacer spool ensures secure connections and stable fluid transfer under high-pressure conditions. Its precision design allows seamless integration with standard wellhead assemblies, providing operational safety, durability, and flexibility for both onshore and offshore drilling applications.

Technical Features

1. Pressure Rating: 2,000 – 20,000 PSI
2. Size Range: 2" to 4" (custom sizes available)
3. Material Class: AA – HH, forged high-strength alloy steel
4. Temperature Rating: –46°C to +121°C
5. Connection Type: Hammer union / flange / threaded / welded ends
6. Sealing Type: NBR, HNBR, or FKM seals for H₂S & CO₂ environments
7. Rotation Capability: Full 360° rotation, minimizing mechanical stress
8. Surface Treatment: Anti-corrosion coating for extended service life

Advantages

Allows smooth rotation to prevent pipeline twisting

High sealing reliability under fluctuating pressure

Compatible with standard API hammer unions and adapters

Compact, durable design suitable for onshore and offshore use

Easy assembly, inspection, and maintenance

Applications

1. Oilfield drilling and workover operations
2. Wellhead and choke manifold flowline systems
3. Fracturing, cementing, and acidizing units
4. High-pressure transfer lines for mud, gas, or cement
5. Testing and production facilities requiring flexible pipeline connections

Product Photos