| Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
|---|
| 03/29/2001 | WO2001021479A1 Underwater power and data relay |
| 03/27/2001 | US6206112 Multiple lateral hydraulic drilling apparatus and method |
| 03/27/2001 | US6206111 High pressure internal sleeve for use with easily drillable exit ports |
| 03/22/2001 | WO2001020127A1 Well management system |
| 03/22/2001 | CA2383237A1 Well management system |
| 03/21/2001 | EP0996812A4 Deformed multiple well template and process of use |
| 03/21/2001 | EP0852653A4 Method and apparatus for selective horizontal well re-entry using retrievable diverter oriented by logging means |
| 03/20/2001 | US6202752 Wellbore milling methods |
| 03/20/2001 | US6202749 Well screen system |
| 03/15/2001 | WO2001018352A1 Drilling waste handling |
| 03/13/2001 | US6199656 Casing for noise attenuation in a rock drilling rig |
| 03/13/2001 | US6199633 Method and apparatus for intersecting downhole wellbore casings |
| 03/13/2001 | US6199629 Computer controlled downhole safety valve system |
| 03/13/2001 | US6199628 Downhole force generator and method |
| 03/08/2001 | WO2001016457A1 Method and apparatus for intersecting downhole wellbore casings |
| 03/08/2001 | CA2383498A1 Method and apparatus for intersecting downhole wellbore casings |
| 03/07/2001 | EP1080006A1 Apparatus and method for deploying an object or a load on the seabed |
| 03/06/2001 | US6196757 Anchoring mechanism for a guide post |
| 03/06/2001 | US6196312 Dual pump gravity separation system |
| 03/01/2001 | WO2001014688A1 Method and system for processing of drilling fluid |
| 03/01/2001 | WO2001014015A1 Method for biosolid disposal and methane generation |
| 02/28/2001 | EP1078145A2 Coupling with shape-memory material , disconnecting tool with a piston and coupling with valves |
| 02/27/2001 | US6192999 Extended drill bit nozzle having extended retainer |
| 02/27/2001 | US6192988 Production well telemetry system and method |
| 02/27/2001 | US6192980 Method and apparatus for the remote control and monitoring of production wells |
| 02/22/2001 | WO2001012946A1 Smart shuttles to complete oil and gas wells |
| 02/20/2001 | US6191561 Variable output rotary power generator |
| 02/20/2001 | US6189621 Smart shuttles to complete oil and gas wells |
| 02/20/2001 | US6189616 Expandable wellbore junction |
| 02/15/2001 | WO2001011185A1 Drilling and completion system for multilateral wells |
| 02/14/2001 | EP1076113A1 High performance phosphorus-containing corrosion inhibitors for inhibiting corrosion by drilling system fluids |
| 02/14/2001 | EP1075586A1 Jet cleaning apparatus |
| 02/13/2001 | US6188327 Subsea electronic tagging and monitoring systems |
| 02/09/2001 | CA2313877A1 Improved high performance phosphorus-containing corrosion inhibitors forinhibiting corrosion by drilling system fluids |
| 02/08/2001 | WO2000077932A3 Opto-electrical actuation system and method |
| 02/08/2001 | WO2000039412A3 A casing for noise attenuation in a rock drilling rig and an arrangement in conjunction with a rock drilling rig |
| 02/01/2001 | WO2000031654A3 Apparatus and method of well management |
| 01/30/2001 | US6179071 Method and apparatus for handling and disposal of oil and gas well drill cuttings |
| 01/30/2001 | US6179070 Vacuum tank for use in handling oil and gas well cuttings |
| 01/25/2001 | WO2001006090A2 Tool and method for managing fluid flow in a well |
| 01/25/2001 | WO2001006089A1 Enhanced oil recovery methods |
| 01/24/2001 | EP1070573A1 Subsea electronic tagging and monitoring systems |
| 01/23/2001 | US6176325 Moling apparatus and a ground sensing system therefor |
| 01/23/2001 | US6176312 Method and apparatus for the remote control and monitoring of production wells |
| 01/19/2001 | CA2277628A1 Subsea electronic valve tagging and status logging systems |
| 01/17/2001 | EP1068425A1 Drillstring with stabilisers for re-entering a primary wellbore |
| 01/16/2001 | US6175380 Method for randomly accessing stored imagery and a field inspection system employing the same |
| 01/16/2001 | US6173772 Controlling multiple downhole tools |
| 01/16/2001 | US6173771 Apparatus for cleaning well tubular members |
| 01/16/2001 | CA2240580C Apparatus and method for subterranean injection of slurried wastes |
| 01/09/2001 | US6170667 Apparatus and method for preparation of liquid/solid slurries |
| 01/09/2001 | US6170580 Method and apparatus for collecting, defluidizing and disposing of oil and gas well drill cuttings |
| 01/09/2001 | US6170571 Apparatus for establishing branch wells at a node of a parent well |
| 01/09/2001 | CA2205480C Method for obtaining a representation of the textures of a geological structure |
| 01/04/2001 | WO2000053887A3 Wellbore primary barrier and related systems |
| 01/03/2001 | EP1064452A1 Formation testing apparatus and method |
| 01/02/2001 | US6169967 Cascade method and apparatus for providing engineered solutions for a well programming process |
| 01/02/2001 | US6167960 Protection of downwell pumps from sand entrained in pumped fluids |
| 01/02/2001 | US6167914 Orifice protector |
| 01/02/2001 | US6167831 Underwater vehicle |
| 01/02/2001 | CA2188839C Recovery of gas from drilling fluid returns in underbalanced drilling |
| 12/28/2000 | WO2000079096A1 Method for exploiting a gas-lift wellbore and device for realising the same |
| 12/26/2000 | US6166654 Drilling assembly with reduced stick-slip tendency |
| 12/26/2000 | US6164376 Triple action pumping system and method |
| 12/26/2000 | CA2133240C Method and apparatus for sealing the juncture between a vertical well and one or more horizontal wells using deformable sealing means |
| 12/21/2000 | WO2000077932A2 Opto-electrical actuation system and method |
| 12/20/2000 | EP1060450A1 Method for measuring and controlling the flow of natural gas from gas wells |
| 12/20/2000 | CN2411339Y Drifting machine for transporting derrick |
| 12/19/2000 | US6161632 Purging means for purging upwards in ring spacing between drill pipe and bore hole wall |
| 12/14/2000 | WO2000075484A1 Apparatus and method for controlling fluid flow in a wellbore |
| 12/13/2000 | EP1058770A1 Energy recovery in a wellbore |
| 12/13/2000 | EP0796443B1 Method for obtaining a representation of the textures of a geological structure |
| 12/12/2000 | US6160036 Microencapsulated drag reducing agents |
| 12/12/2000 | US6158514 Sealed lateral wellbore junction assembled downhole |
| 12/12/2000 | US6158513 Multiple string completion apparatus and method |
| 12/06/2000 | EP0883729B1 Moling apparatus and a ground sensing system therefor |
| 12/05/2000 | US6156082 Adding esterified alkenyl succinic acid; increasing lubricity and corrosion resistance of middle distillate fuel, kerosene, or heavy fuel oil |
| 12/05/2000 | US6154953 Multi-tool system that can be used for connecting pipes |
| 11/29/2000 | EP1055942A2 Improved method and apparatus for adaptively filtering noise to detect downhole events |
| 11/29/2000 | EP1055282A1 Variable output rotary power generator |
| 11/28/2000 | US6152356 Hydraulic mining of tar sand bitumen with aggregate material |
| 11/28/2000 | US6151962 Portable tester for downhole motors |
| 11/28/2000 | US6151961 Downhole depth correlation |
| 11/23/2000 | WO2000070187A1 Flow monitoring and control in multi-lateral wellbores |
| 11/23/2000 | WO2000029713A3 Method and apparatus for connecting a lateral branch liner to a main well bore |
| 11/23/2000 | WO2000012860A9 Roller-cone bits, systems, drilling methods, and design methods with optimization of tooth orientation |
| 11/22/2000 | EP1054135A1 Method and apparatus for handling and disposal of oil and gas well drill cuttings |
| 11/22/2000 | EP1053384A1 Cleaning of drill cuttings and apparatus therfor |
| 11/21/2000 | US6150601 Method and apparatus for generating electric power downhole |
| 11/21/2000 | US6149344 Acid gas disposal |
| 11/21/2000 | US6148920 Equalizing subsurface safety valve with injection system |
| 11/14/2000 | US6145598 Hydrostatic, slow actuating subterranean well tool manipulation device and method |
| 11/10/2000 | CA2271374A1 Method and apparatus for diagnosis of a rod string breakage on a producing well |
| 11/08/2000 | CN2405007Y Wheel type hoist tractor |
| 11/07/2000 | US6142246 Multiple lateral hydraulic drilling apparatus and method |
| 11/07/2000 | US6142234 Apparatus and method for tieback of subsea wells |
| 11/07/2000 | US6142225 Selective mono bore diverter system |
| 11/07/2000 | US6142224 Triple action pumping system with plunger valves |
| 10/31/2000 | US6138761 Apparatus and methods for completing a wellbore |
| 10/30/2000 | CA2307075A1 Tool tie-down |