We have a great deal of samples currently coming into the lab, and a great number of questions as well about the testing process!
So, I will take to the podium and take questions from the audience!
Q1: How large of samples are needed for testing?
A1: For testing of frac sand, we need at least 5 lbs (3 kg) per sample. Send more if there is heavy clay content in the sand.
In general, to get your samples tested for various metals and minerals (ie XRD, SEM, and XRF testing), go ahead and send around a 1 lb (1/2 kg).
Q2: What is the time and cost to run all the tests?
A2: The answer kinds depends on how many samples you send, and what kind of testing you need done.
For instance, 1 sample being tested for full API testing for frac sand costs $1,950 … we have an initial test package, which I would recommend, for $950 (see price list attached) It usually takes around 10 business days to complete testing on a sample.
Now, if you have a large project and 10+ samples, the pricing starts to drop, but the testing times does increase. Contact us for a specific estimate and timetable, depending on your project.
Q3: What is typically the most difficult test and can it be run first to see if the sand passes or fails before continuing on with the additional testing?
A3: This question refers to frac sand testing. The crush test is the most objective test, and lets you quickly know whether or not the sand might meet the demanding specs of frac sand.
I recommend doing an initial crush, which is included in the initial test package.
Ok, time for 1 more question… there in the back! Go ahead…
Q4: Is there any specific geology that is precluded from being used as frac sand? For example – limestone, igneous sands, etc.. or if it meets the required properties than it can be used?
A4: I have never seen anything but a high percentage silica sand (ie 90% and higher) be able to meet the required specs, but hey I haven’t seen every possible case out there.
You can test your silica quality with us, by doing XRF testing.
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