QY type Hightemperature Hydraulic Drilling Jar

QY type high temperature hydraulic drilling jar is a new generation of double-acting hydraulic jar that is fully upgraded by our company on the basis of the original QY full-hydraulic drilling jar. It has the characteristics of simple operation, adjustable shock tonnage, high temperature resistance, etc.This type of drilling jar adopts a new hydraulic delay release system, which has excellent reliability and wide adaptability.

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Application It is suitable for all conventional wells, inclined wells and large displacement wells at all temperatures not higher than 204℃.

Features

The superior machine structure is to further improve the machine maintainability. The unique sealing structure is designed to improve the temperature resistance and improve the sealing reliability. The core mechanism adopts the seal oil bath design to reduce the wear and tear of the moving parts and improve the life of the whole machine.

The overflow area of the release channel is increased to reduce the running resistance and greatly improve the shock effect.

The operating force of hydraulic releasing mechanism can be controlled on the ground by driller, and can be flexibly adjusted according to the downhole situation.

The optional mechanical locking module is added to meet the needs of some special users.

The optional mechanical locking module is added to meet the needs of some special users.

Increase the fast recovery function of the upward and downward strokes. The mandrel moves back to the middle position, and then the jar will do jarring again in either of the two directions.

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