Drilling jar operation manual

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Document # OM-HJDA-001 Release 2 Operation Manual The OWS-Wenzel Double Acting Drilling Jar is operated by the simple up and down motion of the drill. Do not remove vent or fill plugs; mud or grease running out of vent ports is not detrimental to the operation of the tool. Operating instructions. Make up the What is a Jar? A Jar is a device which can deliver an impact force to a drill string which is stuck, if it is operated correctly. Purposes Drilling Jars can be Houston Engineers, Inc. PREFACE ® HYDRA-JAR Double Acting Hydraulic Drilling Jar 6-80 Operation Manual Effective Date, May 1998 Houston Engineers,The 'PD' Double Acting Hydraulic-Mechanical Drilling Jar is designed for use during drilling operations to apply an intensified force either up or down OM-HJDA-001 Release 2 Operating Manual.doc. OPERATING MANUAL. DOUBLE ACTING HYDRAULIC. DRILLING JAR. Wenzel Downhole Tools Ltd. 3115 – 93 Street, N.W.. Operation Manual. Megaton & Ulti-Torq Drilling Jars. Docs#: 665474 v/5. Approved 15/07-10. Page 2 of 18. Part I - Table of Contents - Jar. Operation Manual. Advantages of Using a Hydra-Jar Tool. Universal Use in Oil and Gas Well Operations. • Drilling. • Testing. • Coring. • Offshore. • Fishing. Full torque in either direction can be transmitted at all times without affecting the magnitude or the time delay of the jarring operation. The splines and all