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drilling mud logging des appareil qui controle les niveau des bacs,densite entree et sortie,venue de gaz,perte de boue,tempurature tout qui conserne fluide de forage durant le forage
Drilling Mud Logging is the Process of monitoring and reporting in real time the drilling operations that are taking place. it also consists of the collection, description and analysis of drill cutting that come to the surface during drilling in order to evaluate the formation being drilled. Mud logging has some specialized services such as hydrocarbon gas acquisition and analysis in order to provide an acurate interpretation of gas data relevant to reservoir rocks.
Le Mud Logging fait partie des métiers des sciences de la Terre (Geosciences).
Il accompagne le foreur dans la réalisation des forages d’exploration et de développement.
Accompli durant le forage ou en phase de production (work over), le Mud Logging capte et enregistre les informations importantes des réservoirs qui peuvent être perdues autrement (sans lui).
PROCÉDÉS ET DÉROULEMENT DU MUD LOGGING
Surveillance géologique
Enregistrement et suivi des paramètres forage
Détection et analyse des gaz
Réalisation des rapports
Mud logging is the creation of a detailed record (well log) of a borehole by examining the cuttings of rock brought to the surface by the circulating drilling medium (most commonly drilling mud). Mud logging is usually performed by a third-party mud logging company. This provides well owners and producers with information about the lithology and fluid content of the borehole while drilling. Historically it is the earliest type of well log. Under some circumstances compressed air is employed as a circulating fluid, rather than mud. Although most commonly used in petroleum exploration, mud logging is also sometimes used when drilling water wells and in other mineral exploration, where drilling fluid is the circulating medium used to lift cuttings out of the hole. In hydrocarbon exploration, hydrocarbon surface gas detectors record the level of natural gas brought up in the mud. A mobile laboratory is situated by the mud logging company near the drilling rig or on deck of an offshore drilling rig, or on a drill ship.
Mud logging its to specialise in the mud used for drilling, know the lithology of the ground your about to drill and figure out the right mud composer to facilitate the drilling operation without risques and gaining more time.
Mud logging is a detailed record of the drilling mud which is circulated for drilling.In this detailed record examination of the drilling mud, the properties of mud are evaluated, e.g density , gell strength etc of the drilling mud
The mudlogging is one of the important services in drilling operation; it serves as a safety devices as well as information gathering services. The duties of the mudlogging services are analyse and interpet the drilled formation, mud and drilling parameters control and gas detection instruments, the following chapter will be reserved to mud logging, a brief explanation of the mudlogging activities and the role of mudlogging unit within the drilling site as well as the role of some important parameters measured or calculated in drilling operation.
