Downhole pressurizing water injection device and method

The invention discloses a downhole pressurizing water injection device. The downhole pressurizing water injection device comprises a water injection pipe, a water injection rod column, a driving device, a piston type pressurizing device, a wellhead connector and a water supply device, wherein the wa...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	WANG MEIQIANG, LI ANJUN, WANG QINIAN, SUN MENGCI, ZHENG LEI, GAO LIANG, YAN XIAOLONG, ZHANG CHANGJIN, JING SHIHONG, WANG LIXIA, KOU MINGFU, ZHANG XIN, DANG XIAOLI, ZHANG QILONG, LI KE, LIU ZHANJUN, PENG XIANG, MIAO GUOZHENG, DENG XIAORU, SUN WEI, SUN CHUNMEI, ZHANG ZHENGPING, LAN FANG, CHEN XUEHUI, YUE GANG, LIU XIANGNAN, FU JIANJUN, TANG LIANGWEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	The invention discloses a downhole pressurizing water injection device. The downhole pressurizing water injection device comprises a water injection pipe, a water injection rod column, a driving device, a piston type pressurizing device, a wellhead connector and a water supply device, wherein the water injection pipe is arranged inside a well, the lower end of the water injection pipe communicateswith an oil layer, the piston type pressurizing device is fixedly connected to the inner wall of the water injection pipe and the connecting portion is sealed, the bottom end of the water injection rod column is fixedly connected with a piston of the piston type pressurizing device, the wellhead connector is arranged at a wellhead, the top end of the water injection pipe is connected with the wellhead connector in a sealed mode, the top end of the water injection rod column upwards penetrates out of the wellhead connector and then is connected with the driving device, the driving device and the water supply device ar