JYSZ Double Acting Hydraulic-Mechanical Drilling Jar

• After-sales Service: Online
• Warranty: 1 Year
• Certification: ISO 9001:2008
• Power Source: Hydraulic
• Operation Pressure: Vacuum
• Applicable Medium: Water, Crude Oil
• Model NO.: JYSZ
• Structure: Plug-In
• Use: Well Drilling
• Application: Energy & Mining
• Transport Package: Wooden Case
• Specification: as per requirement
• Trademark: Wise Channel
• Origin: Jiangsu China
• HS Code: 84304900
• Production Capacity: 10000units Per Year

Product Description

The driling jar is consists of drilling up jar and drilling down jar in one body, which has stableworking performance and strong jarring force both up and down. When in down hole, it canrelease the struck; it is a desire tool for directional well and deep well.

UP JARRING
Lowering drill string to make driling jar closed completely (in locking position), elevatingdrill string by the order of small tonnage to larger tonnage, which make spring and hydrauliccylinder delay, when mandrel move to a position and become release resistance, the springforce stored in drill string will transfer to upforward energy and up jarring. Repeating theabove several times can force tool to produce continues up jarring.


DOWN JARRING
Move up and down the dril string to make driling jar closed completely (in locking position)lowering drill string to make spring compressed and stored energy. When pressure of jar islarger than the desired lower unlocking force, grapple wil slide out from mandrel to releasethe locking and make down jarring. Repeating the above several times can force tool toproduce continues down iarring.

 

 

 Q:How can I place order? 
A: You can contact us by email or social media like WhatsApp on the order detail or place order on line. 

Q:How about the payment?
A: For new clients, advance payment(30%-100% of total amount) is required, the balance need to be paid before the delivery after your inspection.

Q:How can I pay you?
A: By T/T (Telegraphic Transfer) or L/C (Letter of Credit). After you receive the PI, you can make the payment through your bank as per the terms mentioned in PI.

Q: What's the order procedure? 
A: First we discuss order details, production details by email ,TM or other social media; then we issue you an PI for your confirmation. You will be requested to make full payment or deposit before we go into production.After we get the deposit, we start to process the order. Depending on the products you order, we usually a couple of days or even moths to complete production if we don't have the items in stock. Before production has been finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we shall arrange the shipment for you. 

Q: How do you deal with  defective products received by the clients? 
A:  If there are some defective items, we usually credit to our customer or replace them in next shipment.