Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings
Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800)
07/2014
07/02/2014EP2748406A2 Downhole tool and method of use
07/02/2014EP2748405A2 Universal pipe thread protector
07/02/2014CN203685139U 一种海上定向井射孔、压裂、采油一体化管柱 One kind of offshore directional well perforating, fracturing, oil production integrated string
07/02/2014CN203685063U 一种螺旋钻杆及螺旋钻杆的进液装置 Inlet means a spiral drill and drill the screw
07/02/2014CN203685062U 一种方钻杆驱动辅助装置 One kind kelly drive auxiliary devices
07/02/2014CN203685061U 一种辅助高压喷射软管入井装置 An auxiliary high-pressure spray hose into the well system
07/02/2014CN203685060U 氮化油管扶正短节 Righting a short section of tubing nitride
07/02/2014CN203685059U 一种旋挖钻机钻杆管套 One kind of rotary drilling rig drill pipe sleeve
07/02/2014CN203685058U 一种井下作业用管柱防脱扣固定装置 A downhole string operation with anti-tripping fixtures
07/02/2014CN203685057U 石油钻杆 Oil Drill
07/02/2014CN203685056U 防腐耐磨抽油杆 Corrosion resistant rod
07/02/2014CN203685055U 空心分体式热载体抽油杆 Split heat carrier hollow rod
07/02/2014CN203685054U 碎石桩钻具的电气密封管 Gravel pile drill electrical gland
07/02/2014CN203685053U 水平井注汽、采油、以及温度压力实时监测三管同井筒采油工艺设备 Horizontal steam injection wells, oil production, as well as real-time monitoring of temperature and pressure with the wellbore three oil production equipment
07/02/2014CN203685034U 超深碎石桩钻具 Ultra-deep gravel pile drilling
07/02/2014CN203685033U 一种防斜底部钻具组合 An anti-oblique bottom hole assembly
07/02/2014CN203685015U 一种钻孔灌注桩方形孔成孔机 Bored one kind of square hole for machine
07/02/2014CN203685014U 一种长螺旋钻机 A long-auger
07/02/2014CN103906887A 钻柱管状组件 Tubular drillstring components
07/02/2014CN103906886A 用于烃井的连续完井的管状设备及相应的布置方法 Hydrocarbon wells consecutive completions tubular device and corresponding method for layout
07/02/2014CN103899581A 一种反循环生产、反循环起水力喷射泵泵芯方法及装置 An anti-cycle production, reverse circulation from the water jet pump cartridge method and device
07/02/2014CN103899281A 一种带有光电检测的储油罐入口检测装置 Tank inlet detection device with a photodetector in
07/02/2014CN103899255A 石油钻井用球式减磨减扭减阻工具 Oil drilling ball twist drag reduction by grinding tools
07/02/2014CN103899254A 一种多头螺纹快速连接式钻井隔水（隔沙）管 One kind of quick connect multiple threads drilling riser (sand traps) tube
07/02/2014CN103899243A 一种螺杆钻具传动轴总成 A screw drill shaft assembly
07/02/2014CN102635317B 一种井壁坍塌防埋钻杆 One kind of wall collapse buried anti-drill
07/02/2014CN101975049B 允许流体在井筒中的筛管内部和管子外部流动的设备和方法 Screen to allow fluid flow inside and outside the tube in the apparatus and method of the wellbore
07/01/2014US8763690 Casing centralizers having flexible bow springs
07/01/2014US8763647 Composite tubing
06/2014
06/26/2014WO2014100608A1 Methods of making a drilling tool with low friction coatings to reduce balling and friction
06/26/2014WO2014100559A1 Overshot assembly and systems and methods of using same
06/26/2014WO2014100426A1 Hydrostatic tubular lifting system
06/26/2014WO2014100369A1 Rotating flexible joint for use in submersible pumping systems
06/26/2014WO2014100072A1 Expandable downhole seat assembly
06/26/2014WO2014099902A1 Drill string components resistant to jamming
06/26/2014WO2014099734A2 Anti-rotation wedge
06/26/2014WO2014099723A1 Pump down conveyance
06/26/2014WO2014099658A1 Electronic frame for use with coupled conduit segments
06/26/2014WO2014099589A1 Lock assembly with cageless dogs
06/26/2014WO2014099588A1 High pressure lock assembly
06/26/2014WO2014099211A1 Low friction coatings with improved abrasion and wear properties and methods of making
06/26/2014WO2014098885A1 Improved liner hanger system
06/26/2014WO2014098832A1 Downhole torque limiting assembly for drill string
06/26/2014WO2014098799A1 Apparatus and methods for retrieving a well packer
06/26/2014WO2014096767A2 Subsea connector assembly
06/26/2014WO2014096366A1 Drill bit with an exchangeable cutting portion
06/26/2014WO2014096360A1 Drill bit with an exchangeable cutting portion
06/26/2014WO2014096359A1 Cutting portion for a drill bit
06/26/2014WO2014095836A1 Pipe connector and method
06/26/2014WO2014095747A1 Bainitic steel for rock drilling component
06/26/2014WO2014095401A2 Sealing protector apparatus
06/26/2014WO2014094161A1 Rotary locking sub for angular alignment of downhole sensors with high side in directional drilling
06/26/2014WO2014094153A1 Apparatus for angular alignment of downhole sensors with high side in directional drilling
06/26/2014WO2014094065A1 Entwined pipes
06/26/2014WO2014052331A3 Polyurethane bend stiffener
06/26/2014WO2013148110A3 Expansion tool for non-cemented casing-casing annulus (cca) wellbores
06/26/2014WO2013135725A3 Blowout preventer assembly
06/26/2014US20140179448 Flexible joint connection
06/26/2014US20140174833 Positioning stabilizer assembly using shoulder ring
06/26/2014US20140174763 Liner hanger system
06/26/2014US20140174749 Method and apparatus for downhole installation of coiled tubing strings
06/26/2014US20140174715 Electromagnetic coupler
06/26/2014US20140173856 Clamp assembly and a clamp element for clamping bouyancy elements to pipeline risers
06/25/2014EP2746419A1 Bainitic steel for rock drilling component
06/25/2014EP2745966A1 Annular drill bit with a replaceable cutting section
06/25/2014EP2745965A1 Annular drill bit with a replaceable cutting section
06/25/2014EP2745964A1 Cutting section
06/25/2014EP2744971A2 Debris barrier for hydraulic disconnect tools
06/25/2014EP2744970A2 Drilling fluid pump module coupled to specially configured riser segment and method for coupling the pump module to the riser
06/25/2014CN203669782U 螺旋钻杆 Spiral drill
06/25/2014CN203669781U 一种兼具清洁环空内外管壁功能的扶正器 That is both internal and external wall cleaning function annulus centralizer
06/25/2014CN203669780U 一种新型液压钻杆扶正器 A new hydraulic drill pipe centralizers
06/25/2014CN203669779U 一种抗冲击式测井仪器用扶正器 One kind of impact-type logging tool with centralizer
06/25/2014CN203669778U 长螺旋钻具用钻杆法兰盘及使用该法兰盘的长螺旋钻具 Long spiral drill with drill pipe flanges and the flange using long spiral drill
06/25/2014CN203669777U 一种用于钻采工艺中的管式抽油泵变径连接器 A drilling process pump adjustable tubular connector
06/25/2014CN203669776U 用于钻井冲洞的方钻杆连接装置 Kelly punch holes for drilling connecting device
06/25/2014CN203669775U 螺杆泵弓形扶正防磨抽油杆 Righting wear bow screw rod
06/25/2014CN203669774U 多功能双壁钻杆 Multifunctional double-wall drill pipe
06/25/2014CN203669773U 一种新型管式凿岩钎具 A new tube Rock Drilling Tools
06/25/2014CN103890311A 防碎屑的内部管柱测试系统 Anti-debris inside the column test system
06/25/2014CN103890310A 用于使流体在柔性管立管的环带内循环的方法和系统 For circulating the fluid in the annulus of the flexible pipe within the riser method and system
06/25/2014CN103883274A 一种矿用钻孔内降温灭尘设备 A borehole mining equipment to cool off the dust
06/25/2014CN103883269A 海洋钻井可控式浮力块 Offshore Drilling controllable buoyancy block
06/25/2014CN103883268A 一种筛孔喷气式涡激振动抑制装置及方法 One kind of jet sieve VIV suppression apparatus and method
06/25/2014CN103883267A 一种钻杆用扶正器的布置方法及装置 One kind of drill with a centralizer placement method and apparatus
06/25/2014CN103883266A 连续油管井口扶正器 Coiled tubing wellhead centralizer
06/25/2014CN103883265A 一种天然气井油管柱可变阻尼减振装置 One kind of gas well tubing string variable damping device
06/25/2014CN103883264A 陶瓷涂层防偏磨钻柱降摩减扭短节 Ceramic Coating Anti-friction side wear down the drill string twisted cut short section
06/25/2014CN103883263A 气凝胶复合隔热套管 Airgel composite insulation sleeve
06/25/2014CN103883262A 一种耐磨防腐外裹隔热油管 A wear-resistant corrosion wrapped in insulated tubing
06/25/2014CN103883261A 一种10米长硅酸盐复合油套管及制造方法 Provide a 10-meter-long oil casing silicate composite and method of manufacture
06/25/2014CN103883260A 三轴三角形水泥搅拌钻杆及施工方法 Triaxial triangle cement mixing drill and construction methods
06/25/2014CN103883259A 一种耐磨防腐复合抽油杆及制备方法 A wear-resistant anti-corrosion composite rod and preparation methods
06/25/2014CN103882371A 一种油井管及其制备方法 One kind of an oil well pipe and a method for preparing
06/25/2014CN102425382B 动压润滑钻具及具有该钻具的钻具组合 Hydrodynamic lubrication drilling BHA and have the drill
06/25/2014CN102352728B 钻具适配器 Drill adapter
06/25/2014CN101994489B 一种抽油杆扶正器限位器 One kind of stopper rod centralizer
06/24/2014CA2837021A1 Liner hanger
06/20/2014CA2837499A1 Method and apparatus for downhole installation of coiled tubing strings
06/20/2014CA2837452A1 Insulated tubing for downhole applications
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