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6a, 14a and 17g API Slurry Testing Viscosities

6a, 14a and 17g API Slurry Testing Viscosities

6a, 14a and 17g API Slurry Testing Viscosities

(OP)
Looking for some input on API Slurry Testing, can anyone tell me why API Class 2 Slurry Mixes have different Viscosities 6a 100 Secs through a marsh funnel, 14a is 70 Seconds and 17g 45 seconds, having been doing this testing a few years now and always seem to have the same issues with the larger sand particles dropping out on the 50 and 70 second slurries, I find there seems to be an unwillingness to allow the slurry gel to be thickened to a 6a 100 second as it makes the slurry not code compliant if testing to 14a or 17g. Can anyone shed some light or thoughts on this

RE: 6a, 14a and 17g API Slurry Testing Viscosities

There might be a technical reason for it, but there's a good chance that it's just because 6A, 14A, and 17G are written by different committees who sometimes don't consider aligning with each other.

If you see a problem with the 14A and 17G requirements and think the 6A way is better, then you can try contacting the API standards staff and/or committee chairs to recommend changes.

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