FAQs about chemical injection quills

What are injection quills?

Injection quills are the process and mechanically designed nozzles connected to a fluid pipe line through which various chemicals are injected into the fluid, mainly for the purpose of corrosion control inside the pipeline and downstream equipment.

Does Crystal make Access Fittings for use in injection quills?

Yes, Crystal makes Access Fittings for corrosion coupons and corrosion probes

Does Crystal make Corrosion Coupons for use with injection quills?

Yes, Crystal manufactures corrosion coupons along with holders.

What are Fixed and Retrievable types of injection quills?

In fixed type of injection quills, the injection nozzle can be removed for maintenance only after the shut down and depressurizing the main pipeline and in Retrievable type of Quills, the injection nozzle, corrosion coupons and probes can be retrieved from the system with the main pipeline pressurized and without shutdown.

How is corrosion measured inside the pipes for Oil & Gas Service?

You can use corrosion coupons placed inside the fluid pipeline using coupon holders, access fittings and retrieving mechanism and measure the weight loss by the corrosion coupon periodically to access the corrosion rate. Corrosion Coupons shall be the same material as of fluid pipe.

Does Crystal make cladded injection quills ?

Crystal manufacture cladded (Ni alloys like Inconel, Hastelloy, Monel etc) Injection quills and access fittings

Does Crystal undertake manufacture of injection quills with complex mechanical design with wake frequency analysis?

Crystal supplies quills with complete design including wake frequency analysis.

What are the materials of construction available for injection quills?

Inconel 825, Inconel 625, Hastelloy, Monel, Stainless Steel, Forged carbon steel are some of the different materials for injection quills.

Are Injection Quills available in Inconel, Cladded construction and Hastelloy cladded construction? If yes what are the sizes and what are the applications?

Yes, they are available in Inconel and Hastelloy cladded construction and these are used in DHDS / DHDT & Alkylation plants of Refinery and in soar applications of Oil & Gas services.

Are injection quills available in forged construction in inconel with G28 intragranuler Corrosion test certifications?

Yes, quills are available in forged construction with G28 corrosion test certifications.

chemical injection quills product range