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 33 - Sealing or packing boreholes or wells
Patents for E21B 33 - Sealing or packing boreholes or wells (33,564)
10/2010
10/26/2010US7819200 Method of creating an annular seal around a tubular element
10/26/2010US7819199 Method and a device for setting a casing
10/26/2010US7819192 introducing into subterranean formation treatment fluid consolidating agent emulsion comprising aqueous fluid, surfactant, and non-aqueous tackifying agent; composition comprises aqueous external phase and oil internal phase, and does not include tertiary amine surfactant; minimizes particulate migration
10/26/2010US7819184 Logging plug with high integrity internal seal
10/26/2010US7819182 Stress, strain and fatigue measuring of well piping
10/26/2010CA2645515C Split casing wellhead seal
10/26/2010CA2468859C Method and device for injecting a fluid into a formation
10/23/2010CA2700027A1 System, method and apparatus for thermal wellhead having high power cable for in-situ upgrading processing
10/21/2010WO2010120774A1 Systems and methods of diverting fluids in a wellbore using destructible plugs
10/21/2010WO2010120523A2 Expansion against cement for zonal isolation
10/21/2010WO2010120469A2 Open hole frac system
10/21/2010WO2010120453A2 Slickline conveyed tubular scraper system
10/21/2010WO2010120184A1 Subsea wellhead assembly
10/21/2010WO2010090529A3 Plug
10/21/2010WO2010078447A3 Rigless abandonment system
10/21/2010WO2010078388A3 Liner drilling and cementing system utilizing a concentric inner ring
10/21/2010US20100264648 Connection methods and systems
10/21/2010US20100264605 Sealing device for a tubing arrangement
10/21/2010US20100263880 Downhole seal
10/21/2010US20100263876 Combination down hole tool
10/21/2010US20100263858 Swelling seal
10/21/2010US20100263857 Composite Cement Retainer
10/21/2010CA2758790A1 Open hole frac system
10/21/2010CA2758493A1 Slickline conveyed tubular scraper system
10/21/2010CA2757863A1 Systems and methods of diverting fluids in a wellbore using destructible plugs
10/21/2010CA2757242A1 Expansion against cement for zonal isolation
10/20/2010CN201610740U 油田采气树或采油树玻璃钢保温装置 Oilfield Gas tree or Christmas tree fiberglass insulation device
10/20/2010CN201610734U 封孔管及封孔装置 Sealing pipes and sealing device
10/20/2010CN201610733U 防喷器组液压管线内液压油回收装置 Within the BOP stack hydraulic lines of hydraulic oil recovery
10/20/2010CN201610732U 一体旋流大腔旁通阀管汇式水泥头 One big swirl chamber bypass valve manifold cement head
10/20/2010CN101868513A Methods and compositions relating to minimizing particulate migration over long intervals
10/20/2010CN101864983A Hydraulic coal wall water injection hole packer
10/20/2010CN101864982A Mechanical coal wall water injection hole sealing device
10/20/2010CN101864925A Drilling-free sizing collar and process
10/20/2010CN101864924A Method for drilling spot plugging
10/20/2010CN101864923A Split type anchor suspension packer
10/20/2010CN101864922A Compression type dual-sealing open hole packer
10/20/2010CN101864921A Well completion and oil production string of horizontal well and well completion and oil production processes thereof
10/20/2010CN101864920A Underground hot-melting cast tube wall protection method
10/20/2010CN101864919A Hydraulic blowout preventer of oil pumping rod
10/20/2010CN101864918A Wellhead polish rod sealer
10/20/2010CN101864917A Random and automatic regulating polished rod sealing device of oil pumping machine
10/20/2010CN101864904A Operation device for stripping sucker rod at pressure
10/19/2010US7814982 Downhole non-return valve and method
10/19/2010CA2660540C Fluid saving blowout preventer operator system
10/19/2010CA2617279C Methods of forming packs in a plurality of perforations in a casing of a wellbore
10/19/2010CA2596205C Polymer shock absorber for use with well head lubricator assembly
10/19/2010CA2538264C Internal blow out preventer ball and seat
10/19/2010CA2474028C Riser control device with vertical actuator
10/17/2010CA2700960A1 Installable load shoulder for a wellhead
10/14/2010WO2010118268A2 Compact surface wellhead system and method
10/14/2010WO2010117851A2 Cement as anchor for expandable tubing
10/14/2010WO2010117554A1 Multi-component tubular coupling for wellhead systems
10/14/2010WO2010117507A1 Multi-component c-ring coupling
10/14/2010WO2010117350A1 Nested cylinder compact blowout preventer
10/14/2010WO2010115712A2 Well template and method for use thereof
10/14/2010WO2010115523A1 Compositions and methods for servicing subterranean wells
10/14/2010WO2010092350A3 Stage cementing tool
10/14/2010WO2008051250A3 Swellable packer construction for continuous or segmented tubing
10/14/2010US20100258323 Pressure control device for wireline cables
10/14/2010US20100258312 Methods of Plugging and Abandoning a Well Using Compositions Comprising Cement Kiln Dust and Pumicite
10/14/2010US20100258311 Casing Patch and Seal
10/14/2010US20100258310 Compositions and methods for servicing subterranean wells
10/14/2010CA2758040A1 Compositions and methods for servicing subterranean wells
10/14/2010CA2756983A1 Cement as anchor for expandable tubing
10/13/2010EP2239414A1 Sealing assembly
10/13/2010EP2239413A2 Location-and-rotation feedback tool for subsea wellheads and method of operating same
10/13/2010EP2239412A2 Wellhead system having resilient device to actuate a load member and enable an over-pull test of the load member
10/13/2010EP2239411A2 Bit-run nominal seat protector and method of operating same
10/13/2010EP2238380A1 Energized composite metal to metal seal
10/13/2010CN201606035U 新型气路远程控制三位四通换向阀密封结构 The new remote control three-way pneumatic valve seal structure
10/13/2010CN201606032U 异步自锁密封段 Seal asynchronous self-locking segment
10/13/2010CN201606031U 一种单液缸驱动闸板防喷器 A single-cylinder drive ram BOP
10/13/2010CN201606030U 捞杆作业快速防喷装置 Fishing rod job fast blowout preventer
10/13/2010CN201606029U 一种侧门与壳体快速连接的新型闸板防喷器 The new Ram BOP a fast connection with the housing side door
10/13/2010CN201606028U 防偏磨高压轻便自封 Partial self-styled anti-wear high-pressure light
10/13/2010CN201606027U 一体多阀式采油树井口装置 One multi-valve-tree wellhead
10/13/2010CN201606026U 注汽井口装置 Steam injection wellhead
10/13/2010CN201606025U 抽油机光杆润滑抗磨止漏装置 Pumping rod lubrication wear stanch device
10/13/2010CN201606024U 全金属密封油气井口装置 All-metal sealing wellhead equipment
10/13/2010CN101858204A Blowout preventer turning system
10/13/2010CN101858203A Self-energizing annular seal
10/13/2010CN101858202A Full-hydraulic multifunctional wellhead device
10/12/2010US7811974 Coating metallic surfaces with one of an epoxy resin dispersion and a curing agent dispersion; passing oil, natural gas, and/or process water over the coated surfaces; and contacting the surfaces with the other dispersion and allowing the dispersions to react to form a cured epoxy resin protective layer
10/12/2010US7810566 Settable compositions free of portland cement and associated methods of use
10/12/2010US7810562 In-situ formation of solids for well completions and zonal isolation
10/12/2010US7810561 Method and product to consolidate a formation
10/12/2010US7810559 Wellbore consolidating tool for rotary drilling applications
10/12/2010US7810558 Drillable bridge plug
10/12/2010CA2606184C Energized thermoplastic sealing element
10/07/2010WO2010115188A2 Nitinol spring through tubing bridge plug
10/07/2010WO2010114711A1 Blowout preventer with ram socketing
10/07/2010WO2010114592A2 Anchor and hydraulic setting assembly
10/07/2010WO2010114389A1 Liner hanger
10/07/2010WO2010112991A2 Lining of wellbore tubing
10/07/2010WO2010112811A2 Seal assembly
10/07/2010WO2010112050A1 Equipment and method for reinforcing a borehole of a well while drilling
10/07/2010WO2010081621A3 Connector assembly
10/07/2010WO2010073016A3 An improved seal
10/07/2010US20100254839 Top seal assembly
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