Technical direction

Technical methods

Mechanisms

Improve pressure depletion efficiency

Boosting wellhead pressure

Reduce wellhead pressure

Water withdrawal

Reduce formation seepage and wellbore pipe flow resistance

Pumping or plunger

Reduce pipe flow resistance

Increase the pressure drop ripple coefficient

Well types optimization

Improve the degree of utilization of unused reserves between wells

Sidetracking

Well network encryption

Optimize the water invasion coefficient

Horizontal well development

Change the form of water invasion and increase the impact coefficient of water invasion

Arrange wells in high areas

Increase the height of water avoidance and increase the coefficient of water invasion

Remove blockage and water blocking

Change or expand the water invasion path and increase the water invasion coefficient during abandonment

Optimize production allocation

Control water cone to increase water invasion coefficient

Improve macro water drive gas efficiency

Injecting carbon dioxide and other gases

(New technologies)

Enhance energy and replace natural gas

Unseal and release water seal gas

Produce water seal gas