E21B 33 - Sealing or packing boreholes or wells

Patents for E21B 33 - Sealing or packing boreholes or wells (33,564)
11/2002
11/14/2002	WO2002090709A2 Quick release blowout preventer bonnet
11/14/2002	WO2002090708A1 Rotational mounts for blowout preventer bonnets
11/14/2002	US20020166672 Core-containing sealing assembly
11/14/2002	US20020166668 Tubing anchor
11/14/2002	US20020166665 Zero drill completion and production system
11/14/2002	US20020166664 Expansion assembly for a tubular expander tool, and method of tubular expansion
11/13/2002	EP1256691A2 Fill-up and circulation tool with torque assembly
11/13/2002	CN2520409Y Blowout prevention valve for oil production well
11/12/2002	US6478093 Retrievable well packer apparatus and method
11/12/2002	US6478091 Expandable liner and associated methods of regulating fluid flow in a well
11/12/2002	US6478089 Automatic chemical stick loader for wells and method of loading
11/12/2002	US6478088 Method for the formation of a plug in a petroleum well
11/12/2002	US6478086 Method for installing a sensor in connection with plugging a well
11/07/2002	WO2002088517A1 System for retrieving a tubular element from a well
11/07/2002	WO2002088516A1 Subsea drilling riser disconnect system and method
11/07/2002	WO2002088515A1 Offshore delivery line support
11/07/2002	WO2002088510A1 Drilling system with expandable sleeve
11/07/2002	US20020162981 Quick release blowout preventer bonnet
11/07/2002	US20020162667 Tubing hanger with lateral feed-through connection
11/07/2002	US20020162665 Method of landing items at a well location
11/07/2002	US20020162663 Rotational mounts for blowout preventer bonnets
11/07/2002	US20020162660 Straddle packer systems
11/07/2002	US20020162657 Method and apparatus for plugging a wellbore
11/06/2002	EP0995011B1 Improved method and multi-purpose apparatus for dispensing and circulating fluid in wellbore casing
11/06/2002	CN1378033A Single mud blowout preventer for drilling well
11/05/2002	US6474419 Packer with equalizing valve and method of use
11/05/2002	US6474418 Wellbore fluid recovery system and method
11/05/2002	US6474417 Subsea tree coupling for mudline suspension system
11/05/2002	US6474416 Remotely installed pressure containing closure
11/05/2002	US6474414 Plug for tubulars
11/05/2002	US6474413 Process for the reduction of the relative permeability to water in oil-bearing formations
11/05/2002	US6474412 Tubing hanger landing string with blowout preventer operated release mechanism
11/05/2002	CA2195701C Torque-resistant slip
10/2002
10/31/2002	WO2002086369A1 Threaded coupling with water exclusion seal system
10/31/2002	WO2002086281A1 Downhole cup packer
10/31/2002	US20020158469 Threaded coupling with water exclusion seal system
10/31/2002	US20020158064 Sealing method and apparatus for oil and gas wells
10/31/2002	US20020157838 Continuous circulation drilling method
10/31/2002	US20020157834 Mudline riser-casing connecting assembly
10/31/2002	US20020157831 Method and packer for processing a productive formation in bottom-hole zone of a well, and method for fixing a packer inside a well
10/31/2002	US20020157828 Instrumented cementing plug and system
10/31/2002	US20020157827 Well completion method and apparatus
10/31/2002	DE10135159C1 Borehole plugging system for use in tunneling and mining work uses inflatable balloon held on metal tube by clamping rings at either end
10/31/2002	CA2445040A1 Threaded coupling with water exclusion seal system
10/30/2002	EP1253284A2 Apparatus for formation testing
10/30/2002	EP1252440A1 Controlling activation of devices
10/30/2002	CN2519015Y Duplex hydraulic compression type packer
10/30/2002	CN2519014Y Improved polished rod sealing device for rod-pumped well
10/30/2002	CN2519013Y Self-sealing casinghead
10/30/2002	CA2373005A1 Mudline riser-casing connecting assembly
10/29/2002	US6472068 Glass rupture disk
10/29/2002	US6470975 Internal riser rotating control head
10/29/2002	US6470971 Tubing head control and pressure monitor device
10/29/2002	US6470970 Multiplier digital-hydraulic well control system and method
10/29/2002	US6470968 Independently retrievable subsea tree and tubing hanger system
10/29/2002	US6470965 Device for introducing a high pressure fluid into well head components
10/24/2002	WO2002084069A1 Nested stack-down casing hanger system for subsea wellheads for annulus pressure monitoring
10/24/2002	US20020154572 Subsea communication system and technique
10/24/2002	US20020153888 Downhole NMR processing
10/24/2002	US20020153143 Tubing hanger with flapper valve
10/24/2002	US20020153142 Straddle packer tool for well treating having valving and fluid bypass system
10/24/2002	US20020153138 Downhole cementing system
10/23/2002	EP1084325B1 Arrangement for the removal of cuttings and gas arising from drilling operations
10/23/2002	EP0956426B1 Apparatus for and method of assembling a rotary blowout preventer
10/23/2002	CN2517865Y Self checking and sealing water injection packer
10/23/2002	CN2517864Y Hydraulic deflecting well packer
10/23/2002	CN2517863Y Dual-purpose packer for isolating heat and filling and extracting
10/23/2002	CN2517862Y Rotary production well head appts.
10/23/2002	CN1375617A Multiple well interactive autobalance integral intelligent oil pumping unit
10/23/2002	CN1375615A Method of regulating water sucking sectino of deep oil layer
10/23/2002	CN1093235C Seal assemblies
10/22/2002	US6467546 Drop ball sub and system of use
10/22/2002	US6467540 Combined sealing and gripping unit for retrievable packers
10/22/2002	CA2248885C Rod seal cartridge for progressing cavity artificial lift pumps
10/22/2002	CA2185170C Retrievable well packer
10/17/2002	WO2002081928A1 Well jet device
10/17/2002	WO2002081861A1 A method for pressure- and flow-preventive fixing of pipes in a well
10/17/2002	WO2002046564A3 Boring apparatus
10/17/2002	US20020150429 Composite particles and methods for their application and implementation
10/17/2002	US20020149498 Reservoir monitoring through windowed casing joint
10/17/2002	US20020148618 Safety slip ram
10/17/2002	US20020148617 Well reference apparatus and method
10/17/2002	US20020148616 Apparatus and method for remote adjustment of drill string centering to prevent damage to wellhead
10/17/2002	US20020148611 One trip completion method and assembly
10/16/2002	EP1249574A2 Multilateral well drilling and completion method and apparatus
10/16/2002	EP1206623A4 Anti-rotation device for use with well tools
10/16/2002	CN2516689Y Connecting wellhead sealing apparatus for radial well
10/15/2002	US6464008 Well completion method and apparatus
10/15/2002	US6464001 Multilateral wellbore system
10/15/2002	CA2250518C Hydrostatic, slow actuating subterranean well tool manipulation device and method
10/15/2002	CA2185169C Retrievable well packer
10/15/2002	CA2031673C Weight set connecting mechanism for subsea tubular members
10/10/2002	WO2002079659A2 Method for preventing critical annular pressure buildup
10/10/2002	WO2002079607A1 Remote sub-sea lubricator
10/10/2002	WO2002079606A1 Method for producing sealing and anti-extrusion components for use in downhole tools and components produced thereby
10/10/2002	US20020145281 An apparatus and method for isolating a section of tubing
10/10/2002	US20020144820 Mechanical anti-rotational feature for subsea wellhead housing
10/10/2002	US20020144814 System for running tubular members
10/10/2002	US20020144813 System for running tubular members
10/10/2002	US20020144812 Fluid filled drill pipe plug

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