135459 ⎘
Sealing or packing boreholes or wells Surface sealing or packing
Sub-classes:ROTATING CONTROL DEVICE
#2SEALING RING AND JOINT FOR OIL DRILLING PLANT
#3Bi-Directional Seal Element and Sealing System
#4Pressure control assembly
#5Stuffing box with pressurized fluid chamber and related methods
#6Pressure control assembly
#7BOREHOLE TOOL AND SYSTEM
#8FRONT ACCESS PACKING ARRANGEMENT AND A PACKING ASSEMBLY INSTALLATION AND REMOVAL METHOD
#9Fracturing wing valves, assemblies, and methods
#10Valve device and method
#11Closing device for wells or the like
#12Oilfield casing centralization tool
#13Fracturing wing valves, assemblies, and methods
#14Method for establishing chart for designing mechanical properties of cement stones in large-scale fracturing oil well
#15CONNECTION BETWEEN AN OIL AND GAS FRACTURING TREE AND A ZIPPER MODULE
#16Large width diameter riser segment lowerable through a rotary of a drilling rig
#17Valve device and method
#18Method and apparatus for production well pressure containment for blowout
#19ANTI-ALTERATION WELLHEAD VAULT
#20Connection between an oil and gas fracturing tree and a zipper module
#21Gravel packing system and method
#22Packer box and method for installation or withdrawal of a packer element in, respectively from a packer box for use in petroleum drilling
#23Simplified packer penetrator and method of installation
#24Method for making controlled swell-rate swellable packer
#25Large-width diameter riser segment lowerable through a rotary of a drilling rig
#26MUD LIFT DRILLING SYSTEM USING EJECTOR ASSEMBLY IN MUD RETURN LINE
#27Hydraulic tool
#28Mat for wellhead cellar
#29Well casing security device
#30Riser annular isolation device
#31Downhole sealing tool
#32Large-width/diameter riser segment lowerable through a rotary of a drilling rig
#33DRILL WASH DEVICE WITH PRE-MOUNTED EXCHANGE INSERT
#34Anti-alteration wellhead vault
#35Emergency power system for blowout preventer of a petroleum apparatus
#36Safety mechanism for installation in soil-sampling tooling, with a system for blocking the escape of gas/oil in the stage of recovering the internal tube containing the specimen
#37Hydraulic tool
#38Lifting device and method
#39Wellbore fluids comprising hydrated inorganic oxide materials and associated methods
#40Well abandonment system and method
#41Safety device for retrieving component within wellhead
#42Computational model for tracking ball sealers in a wellbore
#43Apparatus and methods for mechanically coupling a sealing system around the opening to cellar formed around a hydrocarbon exploration or production well
#44Seal delivery system
#45Removable orifice plate device
#46ELECTRONICALLY MONITORING DRILLING CONDITIONS OF A ROTATING CONTROL DEVICE DURING DRILLING OPERATIONS
#47Diverter assemblies and systems for forming seals around pipe elements and methods of using same
#48Device for covering a pipeline from a wellbore
#49Apparatus and methods for sealing around the opening to a cellar formed around a hydrocarbon exploration or production well
#50Offshore universal riser system
#51Fill up tool
#52Safety device for retrieving component within wellhead
#53Stuffing box leak containment apparatus
#54Diverter flow line insert packer seal
#55Method and Apparatus for Extracting Frozen Volatiles from Subsurface Regolith
#56Frac adapter for wellhead
#57Well cap assembly
#58Process, device, and system to cap and seal oil and gas in a riser pipe
#59Underwater device and method for blocking outflow of a fluid like oil or gas by an underwater well
#60Connector
#61APPARATUS AND METHOD FOR STRIPPING SOLIDS AND FLUIDS FROM A STRING USED IN DRILLING OR SERVICING WELLS
#62Gas guzzler
#63Method of placing ball sealers for fluid diversion
#64Seal assemblies in subsea rotating control devices
#65Method and device for emergency killing of an underwater oil/gas well
#66Pipe end plug apparatus and method
#67Offshore drilling method
#68Offshore drilling method
#69Offshore universal riser system
#70Offshore universal riser system
#71Offshore universal riser system
#72Reducing or stopping the uncontrolled flow of fluid such as oil from a well
#73Offshore drilling method
#74CASING ANNULUS TESTER FOR DIAGNOSTICS AND TESTING OF A WELLBORE
#75Offshore universal riser system
#76Plugging a mined-through well
#77Systems and Methods of Capping an Underwater Pipe
#78Thermal battery for power systems
#79Pre-fab pipe traverse plate assy
#80Cap valve
#81Christmas tree installation using coiled tubing injector
#82DEVICES AND METHOD FOR EQUIPMENT FOUNDATION IN THE SEA BED
#83Lubricating seal for use with a tubular
#84Assembly for controlling annuli between tubulars
#85CHRISTMAS TREE INSTALLATION USING COILED TUBING INJECTOR
#86GAS-BLANKETED PIPING CONNECTIONS
#87Method of sealing annular space between inner and outer upright tubes
#88APPARATUS AND METHOD FOR STRIPPING SOLIDS AND FLUIDS FROM A STRING USED IN DRILLING OR SERVICING WELLS
#89Frac adapter for wellhead
#90ENVIRONMENTAL CONTAINMENT AND PROTECTION SYSTEM
#91Method and apparatus for sealing and venting pressurized casings of gas wells
#92Safety device for retrieving component within wellhead
#93Method of placing ball sealers for fluid diversion
#94Casing annulus tester for diagnostics and testing of a wellbore
#95Offshore universal riser system
#96SPLIT NON-WELDED CASING CAP FOR HIGH TEMPERATURE SERVICE
#97System and method for capping abandoned wells
#98Plugging a mined-through well
#99Top drive washpipe system
#100Offshore universal riser system
#101Methods and apparatus for completion of well bores
#102Wellhead seal unit
#103Wellhead seal unit
#104Post wellhead collar
#105Conductor casing installation by anchor handling/tug/supply vessel
#106Apparatus and method for reverse circulation cementing a casing in an open-hole wellbore
#107Apparatus and method for reverse circulation cementing a casing in an open-hole wellbore
#108Methods and systems for cementing wells that lack surface casing
#109Method and apparatus for injecting packing into stuffing boxes for reciprocating rods
#110Wellhead seal unit
#111Gas pump system
#112Apparatus for automatically lubricating an oil well sucker rod stuffing box
#113Dual rubber cartridge
#114Multifunction well plug dual locking elements