Drilling spool
1. Drilling spools are designed to allow smooth circulation of mud in well and BOP hook up.
2. Drilling spools usually have the same nominal end connections and the same nominal side outlet connections but it can be different as per the customer requirement.
3. Drilling spools can be supplied in all standard API 16A sizes and types with any combination of flange or hub sizes, materials grades, pressure rating and PSL level. Each drilling spool is manufactured to the customer’s requirements.
4.Welding performed conform to the applicable API standard and the provisions of ASME Section IX. Each spool is drift tested to ensure that access to the well-bore is not restricted.
Specification of Drilling spool
Description H (mm) H1 (mm) L (mm)
7 1/16 X 5M To 7 1/16 X 5M With side outlet 3 1/8 X 5M To 3 1/8 X 5M 660 330 408
11 X 15M To 11 X 15M With side outlet 3 1/16 X 15M To 3 1/16 X 15M 1100 550 450
13 5/8 X 5M To 13 5/8 X 5M With side outlet 2 1/16 X 5M To 2 1/16 X 5M 1524 305 565
13 5/8 X 5M To 13 5/8 X 5M With side outlet 3 1/8 X 5M To 3 1/8 X 5M 700 350 468
13 5/8 X 5M To 13 5/8 X 5M With side outlet 4 1/16 X 5M To 4 1/16 X 5M 700 350 484
13 5/8 X 10M To 13 5/8 X 10M With side outlet 4 1/16 X 10M To 4 1/16 X 10M 980 490 550
20 3/4 X 3M To 20 3/4” X 3M With side outlet 4 1/16 X 5M To 2 1/16 X 5M 636 318 660
20 3/4 X 3M To 21 1/4 X 2M With side outlet 3 1/16 X 10M To 3 1/16 X 10M 2500 800 590
21 1/4 X 2M To 21 1/4 X 2M With side outlet 4 1/16 X 5M To 4 1/16 X 5M 700 350 575
21 1/4 X 2M To 20 3/4 X 3M With side outlet 4 1/16 X 10M To 4 1/16 X 10M 750 375 582