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Oil Authority›Glossary›D›deposit

deposit — Oil & Gas Glossary

The action of moving sediments and laying them down.

← All “D” terms Browse full glossary

Related Terms

DD

An individual trained in the science and art of intentionally drilling a well along a predetermined path in three-dimens

DEA unit

A treating system used to remove hydrogen sulfide [H2S], carbon dioxide [CO2] and carbonyl sulfide from a gas stream. Th

DMO

The difference in the arrival times or traveltimes of a reflected wave, measured by receivers at two different offset lo

DSS

A seismicprofile recorded specifically to study the lower crust, the Mohorovicic discontinuity and the mantle of the Ear

DST

Well tests conducted with the drillstring still in the hole. Often referred to as DST, these tests are usually conducted

DST pressure chart

The characteristic plot of pressure versus time obtained from the mechanical recording of pressure gauges in a DST tool.

Darcy units

Units of atm, cm3/s, cp and D, as originally used by Darcy in flow experiments.

Deadline

The drilling line from the crown block sheave to the anchor, so called because it does not move.

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