Inventors:
Clarence L. Apple - Shreveport LA
International Classification:
E21B 4700
Abstract:
An automatic extractor of capsuled oil well drilling fluid samples and a process for extracting the fluid samples, the extractor including a vertically oriented tube canister for storing a quantity of empty sample capsules; a plate canister which contains a supply of plates for storing the filled sample capsules; a pivotally mounted sampling device positioned between the tube canister and the plate canister, which sampling device operates to remove the sample capsules one by one from storage in the tube canister, immerse the capsules in a stream of drilling fluid from which a sample is desired, and insert the filled sample capsule in the plate canister; and a plate conveyor in cooperation with the plate canister for periodically removing filled plates containing the sealed capsules and samples.