COMBINED ADHESION AND IONIC JET SOLIDS-FROM-DRILLING-MUD SEPARATION SYSTEM

METHOD AND APPARATUS FOR SEPARATING SOLID PHASE FROM DRILLING MUD A method for separating solid phase from drilling mud, comprising forming from drilling mud an adhesive layer on a rotary closed curvilinear surface partly placed in the drilling mud, with subsequent feeding of an ionized gas jet alon...

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Bibliographische Detailangaben
Hauptverfasser:	MAMADZHANOV, ULMAS D, BAKHIR, VITOLD M, ALEKHIN, STANISLAV A, KLIMENKO, VLADIMIR I, ZADOROZHNY, JURY G
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS METALLURGY MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS SEPARATION SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	METHOD AND APPARATUS FOR SEPARATING SOLID PHASE FROM DRILLING MUD A method for separating solid phase from drilling mud, comprising forming from drilling mud an adhesive layer on a rotary closed curvilinear surface partly placed in the drilling mud, with subsequent feeding of an ionized gas jet along a tangent line to the adhesive layer, the gas jet entraining and removing solid phase particles from the drilling mud. The linear velocity of the adhesive layer in the zone of its contact with the gas jet is controlled by changing the velocity of the gas jet. An apparatus for carrying out the method comprises a tank filled with drilling mud and accommodating a drum installed for rotation for forming an adhesive layer of drilling mud on its cylindrical surface during rotation of the drum, a nozzle which is arranged in parallel to a tangent line to the drum surface and communicates with a source of a gas under pressure for forming a jet of gas that entrains and removes solid phase particles from the drilling mud, and a pair of electrodes connected to a highvoltage d-c supply source for ionizing the gas jet. The method and apparatus according to the invention enable the cleaning of all drilling mud by using comparativly simple techniques.