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- Drilling_fluid_invasion abstract "Drilling fluid invasion is a process that occurs in a well being drilled with higher wellbore pressure (normally caused by excessive mud weights) than formation pressure. The liquid component of the drilling fluid (known as the mud filtrate) also called as spurt, continues to "invade" the porous and permeable formation until the solids present in the mud, commonly bentonite, clog enough pores to form a mud cake capable of preventing further invasion.If invasion is severe enough, and reservoir pressures are unable to force the fluid and associated particles out entirely when the well starts producing, the amount of oil and gas a well can produce can be permanently reduced. This is especially true when a process called phase trapping occurs. This is when a fluid enters a formation that is below its irreducible saturation of that fluid. Once the fluid is present, it is held in place by capillary forces and usually can not be removed.Invasion also has significant implications for well logging. In many cases the "depth of investigation" of a well logging tool is only a few inches (or even less for things like sonic logs), and it is quite possible that drilling fluid has invaded beyond this depth. Therefore, the readings that are taken that are influenced by formation fluids are measuring mud filtrate properties rather than formation (in situ) fluid properties.".
- Drilling_fluid_invasion wikiPageID "8236339".
- Drilling_fluid_invasion wikiPageLength "1769".
- Drilling_fluid_invasion wikiPageOutDegree "12".
- Drilling_fluid_invasion wikiPageRevisionID "680362855".
- Drilling_fluid_invasion wikiPageWikiLink Bentonite.
- Drilling_fluid_invasion wikiPageWikiLink Category:Drilling_fluid.
- Drilling_fluid_invasion wikiPageWikiLink Category:Well_logging.
- Drilling_fluid_invasion wikiPageWikiLink Drilling_fluid.
- Drilling_fluid_invasion wikiPageWikiLink Drilling_mud.
- Drilling_fluid_invasion wikiPageWikiLink Formation_pressure.
- Drilling_fluid_invasion wikiPageWikiLink Irreducible_saturation.
- Drilling_fluid_invasion wikiPageWikiLink Mud_cake_(oil_and_gas).
- Drilling_fluid_invasion wikiPageWikiLink Mud_filtrate.
- Drilling_fluid_invasion wikiPageWikiLink Phase_trapping.
- Drilling_fluid_invasion wikiPageWikiLink Resistivity_logging.
- Drilling_fluid_invasion wikiPageWikiLink Sonic_logging.
- Drilling_fluid_invasion wikiPageWikiLink Well_logging.
- Drilling_fluid_invasion wikiPageWikiLinkText "drilling fluid invasion".
- Drilling_fluid_invasion wikiPageWikiLinkText "drilling fluids invade".
- Drilling_fluid_invasion wikiPageWikiLinkText "invasion".
- Drilling_fluid_invasion hasPhotoCollection Drilling_fluid_invasion.
- Drilling_fluid_invasion wikiPageUsesTemplate Template:Original_research.
- Drilling_fluid_invasion wikiPageUsesTemplate Template:Petroleum-stub.
- Drilling_fluid_invasion wikiPageUsesTemplate Template:Petroleum_industry.
- Drilling_fluid_invasion wikiPageUsesTemplate Template:Reflist.
- Drilling_fluid_invasion wikiPageUsesTemplate Template:Unreferenced.
- Drilling_fluid_invasion subject Category:Drilling_fluid.
- Drilling_fluid_invasion subject Category:Well_logging.
- Drilling_fluid_invasion hypernym Process.
- Drilling_fluid_invasion type Article.
- Drilling_fluid_invasion type Election.
- Drilling_fluid_invasion type Article.
- Drilling_fluid_invasion comment "Drilling fluid invasion is a process that occurs in a well being drilled with higher wellbore pressure (normally caused by excessive mud weights) than formation pressure.".
- Drilling_fluid_invasion label "Drilling fluid invasion".
- Drilling_fluid_invasion sameAs m.026x81_.
- Drilling_fluid_invasion sameAs Q5307647.
- Drilling_fluid_invasion sameAs Q5307647.
- Drilling_fluid_invasion wasDerivedFrom Drilling_fluid_invasion?oldid=680362855.
- Drilling_fluid_invasion isPrimaryTopicOf Drilling_fluid_invasion.