Wireline Core Barrel Overshot Assembly For Sale ROSCHEN Drilling manufactures a wide assortment of Core Barrels with tightest tolerances to ensure safe for geotechnical and mineral exploration applications. In addition to the industry-standard level, we supply all sizes and customized products that must be efficient operation. Core Bits, Reaming Shells, Overshots and other Coring Tools are also available.Get more news about Wireline Stop Ring,you can vist our website! Length is available in 1.5 meters and 3.0 meters, the whole complete core barrel is made up of many spare parts, they are head assembly, pump-out adaptor, piston plug, O ring, core ejection ring, outer tube, inner tube, extension tube, stop ring, core lifter, core lifter case, locking coupling, adaptor coupling, landing ring, outer tube, inner tube stabilizer, thread protector, core bit and reaming shell are not supplied in the core barrel and need to be ordered separately, many geological survey and companies involved in mining exploration works use this type of equipment. ROSCHEN is a professional supplier and manufacturer of various oil field equipment, including oil drilling and service equipment, oil production equipment, OCTG ,well head and down the hole tools and spare parts with API certification. our products have already been exported to USA, South America, Africa, Middle East, Russia and some other countries (regions). ROSCHEN has built strategic partnership with some countries national petroleum companies. NQ inne tube,5ft Mining machinery parts of bq hq nq pq outer inner tube drilling wireline core barrel overshot 1.We offer complete series of single, double and triple tube core barrels and overshot. 2.The standard wireline double tube inner-tube group is composed of Head Assembly, Inner Tube, Core Lifter Case, Core Lifter and Stop Ring. You can order Head Assemble, Inner Tube assembly or components separately. 3.Different length of core barrels are available: 1.5m/ 5 ft or 3.0m/ 10ft. 4.We have thousand of components in stock to delivery on time. 5.Customised also available absed on consumers' needs.