- Hei Longjiang North Shuangjia Drilling Tools Co., Ltd
- Main products: drilling rig, drilling tools, fishing tools, downhole tools, oilfield tools
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All Products
- wellhead tool/lifting sub/lifting cap/mud bucket/drill pipe wiper/bit breaker
- Floatation collar/guide shoes/reamer shoe
- float collar/float shoes/cementing plug/stab-in float collar/guide shoes
- hole opener/ under reamer
- MCCS/PBL/multicycle circulating sub
- casing run tools/CRT
- IBOP for top drive
- shock absorber
- fishing oil jar/super fishing jar/ jar intensifer/surface bumper jar/bumper sub
- casing scraper/cup tester
- core tools/coring equipment
- drill bit/PDC bit/core bit/tri-cone bit
- Oriented sub/crossover sub/circulating sub/pumb in sub/float sub/saver sub/
- washover pipe & accessories
- junk mill
- IBOP/FOSV/kelly valve/ retrievable drop-in check valve/tri-valve/float valve/kelly cock
- fishing tools/junk basket/junk sub/fishing spear/fishing magnet/ditch magnet/internal hook/external hook/tapper tap/die collar/fishing overshot
- drilling stabilizer/roller reamer
- casing marine cutter/ mechanical internal cutter/mechnical external cutter/ marine external cutter
- Taper tap
- hole opener
- Hydraulic jar tester
- Hydraulic bucking unit
- Releasing and circulating Overshot
- mechanical internal cutter
- Mechanical External Cutter
- Junk subs
- Drop-in check valve
- Kelly valve
- Inside blowout preventer
- IBOP for top drive
- Full opening safety valve
- oil jar
- Drift
- Impression block
- Drilling jar
- Junk mill
- Lifting cap
- Cup tester
- Casing scraper
