Any contractor drilling a well within any artesian basin where such well is drilled down to or through any artesian stratum shall keep a complete record and log of the well, recording the depth, thickness and character of the different strata penetrated, together with the dates when the work was begun and completed, and the amount, weight and size of casing set, and number of inches of flow from such well above the casing, all of which he shall verify under oath, and when the well is completed shall file the same with the state engineer or artesian well supervisor, and a duplicate thereof, if the well is situated within any artesian conservancy district, with the officials of such district.