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China, Chinese American Surface Oilfield Drilling Jar1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Petroleum Equipment MachineryOther Petroleum Equipments MachineryJarDrilling
Shandong Light Fir Machinery Equipment Co., Ltd.
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Product Description API Surface oilfield Drilling Jar Product DescriptionThe DJ Type Surface Bumper Jar is an effective tool for resolving the problem of stuck drill tool in down hole. It is connected with the surface section of drill string, the device to adjust the tonnage shall protrude from the rotary disc face, the violent down jarring to the stuck catch can be clearly seen when the surface jar makes jarring operation. The jarring strength for the tool can be easily adjusted and it is an easy operated, unique designed tool which can make continuous down jarring. The surface jar, which not only can bear heavy load and strong torque but also owns a good sealing property and can withstand the mud circulation with high pump pressure, has proven to be asafe and successfully effective releasing tool through many years application.Product ParametersTypeDJ46B(4 3/4")DJ70B(7")ParameterO.D. mm (in)121(4 3/4)178 (7)Max.Jarring force MN (tf)0.4(41 +- 5)0.8 (80 +- 5)Max.Tension Load MN (tf)1.2(122)1.5 (153)Sealing Pressure Mpa (kgf/cm2)20(196)20(196)Stroke mm (in)1500 (59)1220 (48)I.D. mm (in)32(1 1/4)51(2)Thread ConnectionNC38 (3 1/2 IF)NC50 (4 1/2 IF)Closed Length mm (in)3155 (124.2)3090 (121.8)Product PhotosFactoryCertificates
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