METHOD FOR HYDROGEN SULFIDE NEUTRALIZATION INSIDE WELL

FIELD: chemical well treatment to decrease hydrogen sulfide content in gas space of well during well repair or survey including the cases of normal and low reservoir pressure. ^ SUBSTANCE: neutralization method for hydrogen sulfide present in well in gaseous and dissolved state involves injecting hy...

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Hauptverfasser:	KOROLEV KIRILL GEORGIEVICH, TELIN ALEKSEJ GEROL'DOVICH, GUSAKOV VIKTOR NIKOLAEVICH, KARAVAEV ALEKSANDR DMITRIEVICH, LATYPOV AL'BERT RIFOVICH
Format:	Patent
Sprache:	eng ; rus
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:	FIELD: chemical well treatment to decrease hydrogen sulfide content in gas space of well during well repair or survey including the cases of normal and low reservoir pressure. ^ SUBSTANCE: neutralization method for hydrogen sulfide present in well in gaseous and dissolved state involves injecting hydrogen sulfide neutralizing agent included in foam system in well. Gas-liquid foam system is obtained directly during injection operation by water contact with solid-phase foam generation composition including the hydrogen sulfide neutralizing agent. ^ EFFECT: increased technological efficiency. ^ 5 ex, 8 tbl