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)
07/2003
07/22/2003US6595282 Fluid filled drill pipe plug
07/22/2003US6595279 Data line deployment in hydrocarbon wells
07/22/2003CA2212199C Well stabilization tools and methods
07/17/2003WO2003058026A1 Sealing element for pipes and methods for using this
07/17/2003US20030132224 Oil and gas well alloy squeezing method and apparatus
07/17/2003US20030132032 Method and apparatus for drilling and lining a wellbore
07/17/2003US20030132028 Arrangement for the removal of cuttings and gas arising from drilling operations
07/17/2003US20030132008 Bi-directionally boosting and internal pressure trapping packing element system
07/17/2003US20030132007 Compression set packer
07/17/2003US20030132004 System for disconnecting coiled tubing
07/17/2003US20030132002 Lifting top drive remote control cement head
07/17/2003US20030131990 Wellbores utilizing fiber optic-based sensors and operating devices
07/17/2003US20030131988 Inflatable packing element
07/16/2003EP1076759B1 Method for installing a sensor in connection with plugging a well
07/16/2003EP0960262B1 Device by a retrievable bridge plug
07/16/2003CN2560748Y Self-locking anti-butting slips
07/16/2003CN2560747Y Well mouth sealing device for pumping unit
07/15/2003US6591916 Drilling method
07/15/2003US6591869 Multiport gate valve assembly
07/10/2003WO2003056126A1 Apparatus and method for free-fall installation of an underwater wellhead
07/10/2003US20030127231 Coiled tubing cutter
07/10/2003US20030127229 Ported subsea wellhead
07/10/2003US20030127227 Method and apparatus for wellbore fluid treatment
07/10/2003US20030127224 Metal to metal seal for use in well plugging applications
07/10/2003US20030127221 Split base plate assembly for multiple completion wellheads
07/10/2003US20030127220 Wellhead stuffing box support assembly
07/09/2003EP1326002A2 Metal to metal seal for use in well plugging apparatus
07/09/2003EP1325209A1 Method and apparatus for cementing wells
07/09/2003CN2559786Y Upper sealing screw pump well driving device
07/09/2003CN2559781Y Balance pressure packer
07/09/2003CN2559780Y Isolation type unpacking valve control packer
07/09/2003CN2559779Y Water flood slip supported packer
07/09/2003CN2559778Y Oil pipe bias wear prevention well head apparatus
07/09/2003CN2559777Y Butt closing bar shape sealing packing
07/09/2003CN2559776Y Suspended well head for petroleum pilot production
07/08/2003US6588510 Coil tubing hanger system
07/08/2003US6588505 Methods and associated apparatus for downhole data retrieval, monitoring and tool actuation
07/08/2003US6588502 Well pressure activated pack-off head
07/08/2003US6588266 Monitoring of downhole parameters and tools utilizing fiber optics
07/03/2003WO2003054349A1 Expandable packer with anchoring feature
07/03/2003WO2003054345A1 Bi-directional and internal pressure trapping packing element system
07/03/2003WO2003054344A1 Split base plate assembly for multiple completion wellheads
07/03/2003WO2003054342A1 A pressure control system for a wet connect/disconnect hydraulic control line connector
07/03/2003US20030121671 High pressure rotating drilling head assembly with hydraulically removable packer
07/03/2003US20030121670 Element latch system
07/03/2003US20030121669 Apparatus for releasably coupling two elements
07/03/2003US20030121668 Apparatus and method for free-fall installation of an underwater wellhead
07/03/2003US20030121667 Casing hanger annulus monitoring system
07/03/2003US20030121666 Method and apparatus for controlling well pressure while undergoing subsea wireline operations
07/03/2003US20030121662 Kit for storing and applying adhesive material including enclosure with container of adhesive material comprising 1,1-disubstituted ethylene monomers, and plurality of applicators each comprising at least one absorbent portion
07/03/2003US20030121659 Resilient Cement
07/03/2003US20030121653 Casing head connector with landing base
07/03/2003US20030121558 Tube anchored to structure; pulling expansion structure through tube; well bore casing; controlling fluid flow
07/02/2003EP1322834A1 Modular seabed processing system
07/02/2003EP1322833A1 Control of hydrocarbon wells
07/02/2003EP1169547B1 Method of creating a wellbore in an underground formation
07/02/2003EP1108115B1 Method for sealing rocks or building material and corresponding device
07/02/2003CN2558759Y Pumping unit rod autosealing device
07/01/2003US6585053 Method for creating a polished bore receptacle
07/01/2003US6585042 Cementing plug location system
07/01/2003US6585036 Energy systems
07/01/2003CA2338097C Method and apparatus for inserting a tubing hanger into a live well
06/2003
06/26/2003WO2003052023A1 Method of stabilising clay or shale
06/26/2003US20030116328 Expandable packer with anchoring feature
06/26/2003US20030116327 Well operations system
06/26/2003US20030116326 Slip spool and method of using same
06/26/2003US20030116319 Using polymer; well completion
06/26/2003US20030116318 Downhole apparatus
06/26/2003US20030116314 Well stimulation tool and method of using same
06/26/2003CA2469051A1 Method of stabilising clay or shale
06/25/2003EP0920571B1 Swivel
06/25/2003CN2557691Y Fishable high pressure bridge plug
06/25/2003CN2557690Y Self-seal checking hydraulic packer
06/25/2003CN2557689Y Anti bidirectional pressure difference mechanical packer
06/25/2003CN2557688Y Packer
06/25/2003CN1425739A Well completion formate liquid for well drilling
06/25/2003CN1425627A High temperature anti-flee latex additive for cement
06/25/2003CN1112502C One-step completing oil well packing and filling and well cleaning method and tool
06/24/2003US6582145 Pressurized connector for high pressure applications
06/24/2003US6581692 Making up and breaking out of a tubing string in a well white maintaining continuous circulation
06/24/2003US6581691 Landing adapter for soft landing a tubing hanger in the bore of a production tree or wellhead housing
06/24/2003US6581682 Expandable borehole packer
06/24/2003US6581681 Bridge plug for use in a wellbore
06/24/2003US6581455 Modified formation testing apparatus with borehole grippers and method of formation testing
06/24/2003CA2055173C Wellbore packer with shearable anti-rotation locking member
06/21/2003CA2366404A1 Slip spool and method of using same
06/19/2003WO2003050384A1 Production christmas tree
06/19/2003US20030111271 Slip spool and method of using same
06/19/2003US20030111236 Open hole straddle tool
06/19/2003US20030111229 Wellhead assembly for communicating with the casing hanger annulus
06/19/2003US20030111228 Production flow tree cap
06/18/2003EP1319638A1 Permeable cement for wells
06/18/2003CN2556359Y Suspension liner two-stage cementing pipe string
06/18/2003CN2556358Y Internal gland of packing box for pumping unit
06/18/2003CN2556357Y Lifting anti-theft valve well
06/18/2003CN1425102A Ceramic components for high pressure oil wells
06/17/2003US6579909 To reduce the permeability of porous and permeable formations in oil and gas wells; subjecting polyacrylamide and zirconium lactate crosslinking agent to controlled shear by filtration
06/17/2003US6578638 Drillable inflatable packer & methods of use
06/17/2003US6578633 Drillable bridge plug
06/12/2003WO2003048515A1 Resilient cement
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