M-13.1, r. 1 - Regulation respecting petroleum, natural gas and underground reservoirs

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37. A well drilling licensee must, during drilling operations, have a quantity of drilling cuttings collected in their natural state at 5-m intervals in such a manner as to fill
(1)  a 10-ml flask of cuttings washed and dried beforehand; however, the licensee must refrain from washing samples from the layer of unconsolidated deposits; and
(2)  a 500-g bag.
A well drilling licensee shall indicate on the samples the name of the well and the section of the well sampled. He shall submit the identified samples to the Minister not later than 1 month after drilling is completed.
A well drilling licensee must use sample flasks and bags designed for conservation purposes.
O.C. 1539-88, s. 37; O.C. 1381-2009, s. 22.