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 23 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
Patents for E21B 23 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells (12,712)
11/2010
11/04/2010CA2731161A1 Selective fracturing tool
11/03/2010EP2245261A1 A method and an apparatus for controlling a well barrier
11/03/2010EP2245260A1 Device and method for isolating a section of a wellbore
11/03/2010EP0951611B2 Wellbore tractor
11/03/2010CN201620860U Closed heat carrier circulating pipe suspension gear
11/03/2010CN201620790U One-way spider hydraulic tubing anchor
11/03/2010CN201620789U Device simultaneously having functions mousehole clamp and drill pipe righting and buckling functions
11/03/2010CN201620788U Kelly bushing for drill stems
11/03/2010CN201620787U Releasing tool for wireless drill clinometer
11/03/2010CN201620786U Detacher for pumping rod righting ring
11/03/2010CN201620785U Pressure-controlled hydraulic pushing tool
11/03/2010CN201620784U Novel safe releasing device
11/02/2010US7823689 Closed-loop downhole resonant source
11/02/2010US7823659 Apparatus and methods for drilling and lining a wellbore
11/02/2010CA2562084C One trip completion system
11/02/2010CA2440625C Volume compensated shifting tool
11/01/2010CA2702404A1 Force monitoring tractor
10/2010
10/30/2010CA2702692A1 Downhole multiple bore rotary diverter apparatus
10/28/2010WO2010123375A1 Stroker device
10/28/2010US20100270746 Wellsite Replacement System and Method for Using Same
10/28/2010US20100270035 System and method to expand tubulars below restrictions
10/28/2010US20100270034 Wired multi-opening circulating sub
10/28/2010US20100270032 System, method and apparatus for thermal wellhead having high power cable for in-situ upgrading processing
10/28/2010CA2759539A1 Stroker device
10/27/2010EP2242898A2 Large inside diameter completion with position indication
10/27/2010CN201614903U 采油管柱用防油层污染单流封隔油管锚 Anti-oil pollution in the production string with single-stream tubing packer anchor
10/27/2010CN101871333A Hydraulic liner releaser and release method for oil and gas wells
10/27/2010CN101871332A Multi-way releasing device
10/27/2010CN101871331A Steel wire deliver packer, deliver salvaging tool and working method
10/26/2010US7819199 Method and a device for setting a casing
10/26/2010US7819186 Downhole tool
10/26/2010US7819184 Logging plug with high integrity internal seal
10/26/2010CA2625919C Compliant cladding seal/hanger
10/26/2010CA2584827C System and method for releasing and retrieving memory tool with wireline in well pipe
10/23/2010CA2700027A1 System, method and apparatus for thermal wellhead having high power cable for in-situ upgrading processing
10/21/2010WO2010120469A2 Open hole frac system
10/21/2010WO2010120453A2 Slickline conveyed tubular scraper system
10/21/2010US20100263876 Combination down hole tool
10/21/2010US20100263856 Slickline Conveyed Bottom Hole Assembly with Tractor
10/21/2010CA2758790A1 Open hole frac system
10/21/2010CA2758493A1 Slickline conveyed tubular scraper system
10/20/2010EP2240666A2 Controller for hydraulically operated downhole tool
10/20/2010CN201610729U 一种插入筒系统 A plug-in cartridge system
10/19/2010US7814970 Downhole tool delivery system
10/19/2010US7814969 Wet mate connection for ESP pumping system
10/19/2010CA2541416C Shunt tube connector lock
10/14/2010US20100258321 Active positioning of downhole devices using spherical motors
10/14/2010US20100258319 Back pressure valve
10/14/2010US20100258311 Casing Patch and Seal
10/14/2010US20100258293 Slickline Conveyed Shifting Tool System
10/13/2010CN201606021U 一种钻井底法兰快速安装装置 One kind of bottom flange drilling quick mounting device
10/12/2010US7810558 Drillable bridge plug
10/07/2010WO2010114699A1 Lateral well locator and reentry apparatus and method
10/07/2010WO2010114592A2 Anchor and hydraulic setting assembly
10/07/2010WO2010114389A1 Liner hanger
10/07/2010WO2010114383A1 Activating tool
10/07/2010WO2010112991A2 Lining of wellbore tubing
10/07/2010US20100252279 Reduced Drag Centralizer
10/07/2010US20100252278 Anchor assembly
10/07/2010US20100252277 High Capacity Running Tool
10/07/2010US20100252276 Circulation sub with indexing mechanism
10/07/2010US20100252275 Lateral Well Locator and Reentry Apparatus and Method
10/07/2010US20100252261 Casing deformation and control for inclusion propagation
10/07/2010US20100252251 Safety device for retrieving component within wellhead
10/07/2010CA2834638A1 Anchor and hydraulic setting assembly
10/07/2010CA2757389A1 Device for use in a fluid exploitation well, exploitation equipment, and associated method
10/07/2010CA2757293A1 Anchor and hydraulic setting assembly
10/07/2010CA2757115A1 Liner hanger
10/07/2010CA2749255A1 Lining of wellbore tubing
10/06/2010EP2236740A2 High capacity running tool
10/06/2010EP2236738A2 Method and apparatus for isolating and treating discrete zones within a wellbore
10/06/2010CN201599000U 井用潜水电泵安全便捷起下配置 Wells with submersible pumps from under safe and convenient configuration
10/06/2010CN201598999U 通用型投捞器 Universal cast fishing device
10/05/2010US7806179 String mounted hydraulic pressure generating device for downhole tool actuation
10/05/2010CA2504721C Method and apparatus to facilitate wet or dry control line connection for the downhole environment
09/2010
09/30/2010WO2010111368A2 Control line retention and method for retaining control line
09/30/2010WO2010111076A2 Well tools utilizing swellable materials activated on demand
09/30/2010US20100243276 Downhole swellable sealing system and method
09/30/2010US20100243274 Expandable structure for deployment in a well
09/30/2010US20100243271 Bit-run nominal seat protector and method of operating same
09/30/2010US20100243270 Method and apparatus for a packer assembly
09/30/2010US20100243269 Well Tools Utilizing Swellable Materials Activated on Demand
09/30/2010US20100243265 Drilling fluid flow diverter
09/30/2010US20100243254 Method and apparatus for isolating and treating discrete zones within a wellbore
09/30/2010US20100243235 Packer Providing Multiple Seals and Having Swellable Element Isolatable from the Wellbore
09/30/2010CA2755819A1 Well tools utilizing swellable materials activated on demand
09/29/2010EP2233684A2 Magnetic slip retention for downhole tool
09/29/2010EP2232005A2 A downhole tool with shape memory alloy actuator
09/29/2010CN201593402U Polymer injection well filtering jar puller
09/29/2010CN101187300B Rotary hydraulic machinery double function expansion type tail pipe hanger
09/29/2010CN101117885B Well control method for changing valve under pressure
09/28/2010CA2683054C Latch profile installation in existing casing
09/25/2010CA2777192A1 Method and apparatus for a packer assembly
09/25/2010CA2697394A1 Method and apparatus for isolating and treating discrete zones within a wellbore
09/23/2010US20100236793 Activating mechanism
09/23/2010US20100236792 Expanding multiple tubular portions
09/23/2010US20100236787 Well Release System and Method
09/23/2010US20100236655 Hydraulic supply hose including an integral tensile load member
09/22/2010EP2229499A2 Ball dropping assembly and technique for use in a well
09/22/2010CN201588575U Packer fixing ring and self-expansion packer when encountering oil and water with same
1 ... 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 ... 128