Specifications

Standard: API SPEC 16A
2.Material:High quality alloy steel
3.With Heat treatment

Drilling Spool

Standard: API SPEC 16A.

Use the high quality alloy steel with special heat treatment to improve its anti-corrosive capability of H2S.
The seals surface is welded with stainless steel to improve the anti-corrosive capability, and lengthen its lifespan.
The strength of the body is strictly inspected according to the API Spec 16A before delivery to ensure safely.
It is applicable to drilling works in the high pressure oilfields.
It can throttle and control blowout if it connects with relevant valves and pipelines. Meanwhile, it links the blow-out preventer and casing head.

 

Technical specification and parameters for Drill Spool
Type	Parameter	Top connection	Down connection
DS11-05	11”5000psi	11"-05 R54	11"-05 R54
DS11-05A	11”5000psi	11"-05 R54	7-1/16"-10 BX156
DS11-10	11”10,000psi	11"-10 BX158	11"-10 BX158
DS11-10A	11”10,000psi	11"-10 BX158	11"-10 BX158
DS11-10B	11”10,000psi	11"-10 BX158	7-1/16"-10 BX156
DS13-05	13”5000psi	13-5/8"-05 BX160	13-5/8"-05 BX160
DS13-10	13” 10.000psi	13-5/8"-10 BX159	13-5/8"-10 BX159
DS13-10A	13”10,000psi	13-5/8"-10 BX159	13-5/8"-10 BX159
DS13-10B	13” 10,000psi	13-5/8"-10 BX159	7-1/16"-10 BX156
DS21-02	21 1/4” 2000psi	21-1/4"-02 R73	21-1/4"-02 R73