METHOD FOR WELL TIGHTENING

Method for tightening wells comprises lowering to the well a drive pipe with a muff of stage cementation and placing the last one at the depth of the base of the rock disposed to plastic deformations, with pumping-in cementation mortar to the annularspace beneath the base and over the ceiling of the...

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Bibliographische Detailangaben
Hauptverfasser:	VASYLCHENKO ANATOLII OLEKSANDROVYCH, MATUSHEK ROSTYSLAV ROMANOVYCH, BUNIAK BORYS TROKHYMOVYCH, FILIOV VIKTOR MYKOLAIOVYCH, ZUBKOV YEVHENII FADIIOVYCH, YAREMIICHUK YAROSLAV STEFANOVYCH, KUSHNARIOV VALERII LEONIDOVYCH
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	Method for tightening wells comprises lowering to the well a drive pipe with a muff of stage cementation and placing the last one at the depth of the base of the rock disposed to plastic deformations, with pumping-in cementation mortar to the annularspace beneath the base and over the ceiling of the rock disposed to plastic deformations, with placing the not curing solution in the annular space in the range of deposit of the rock disposed to plastic deformations. As not curing solution one uses solution based on hydrocarbons, with viscosity and density same to cement mortar.