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Injection quill problems

thread483-304095

Injection quill problems

Injection quill problems

(OP)
Is there a way to prevent H2S scavenger injection quills from blocking. We currently injecting an H2S scavenger to a natural gas pipeline, but the quills seem prone to blocking (we suspect). There are currently filters in place between the scavenger tank and the quills.

Many thanks

RE: Injection quill problems

squiral:

Are the quills blocking from the inside or the outside?

Regards,

SNORGY.

RE: Injection quill problems

(OP)
The injection point is located after a gas/oil/water separator. It is difficult to identify whether they are blocking from the inside or outside because the system has to be flushed first before the quills can e retrieved (company health and safety regulations), and backflushing the system unblocks the quills.

RE: Injection quill problems

Normally we would use a carrier fluid to dilute the scavenger to help address plugging issues. However, you may not have that luxery since you are injecting into a gas line. The size and orientation of your quill can play a big factor as well. When I say orientation I mean whether it is injected against the flow or with the flow.

RE: Injection quill problems

SeanB:

Hence my question regarding which side it is plugging from...
 

Regards,

SNORGY.

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