135506 ⎘
Sealing or packing boreholes or wells in the borehole; Packers; Plugs with mechanical slips for hooking into the casing with means for anchoring against downward and upward movement
Bridge plug tool
#302Increased load bearing thickness for anchoring slip
#303Downhole tool with rounded mandrel
#304Frack plug with temporary wall support feature
#305Anchor mechanism for use in a well
#306PRODUCTION STRING ACTIVATED WELLBORE SEALING APPARATUS AND METHOD FOR SEALING A WELLBORE USING A PRODUCTION STRING
#307Composite slips for a frac plug
#308Downhole Tool Having Slip Composed of Composite Ring
#309Method of setting and maintaining a tool in a set position for a period of time
#310Plunger for gas lift system with novel skirt
#311Well packer with nonrotating mandrel lock device
#312PACKER END RING WITH DEVICE FOR GRIPPING BASE PIPE
#313Expandable packing element and cartridge
#314Packer assembly having barrel slips that divert axial loading to the wellbore
#315Rotatable tubing anchor
#316Bridge plug tool
#317Downhole tools having non-toxic degradable elements
#318Downhole tool system and method related thereto
#319Slip-deployed anti-extrusion backup ring
#320Retrievable cementing bushing system
#321Hydraulic well packer
#322Settable well tool and method
#323Downhole tool having an anti-rotation configuration and method for using the same
#324Downhole tool and method of use
#325Downhole tool and method of use
#326Apparatus and methods for assisting in setting a downhole tool in a well bore
#327Downhole tool and method of use
#328Downhole tool and method of use
#329Annular isolation with tension-set external mechanical casing (EMC) packer
#330Easy drill slip
#331DRILLABLE SLIP WITH NON-CONTINUOUS OUTER DIAMETER
#332Anchoring seal
#333Extrusion-resistant seals for expandable tubular assembly
#334Downhole packer tool with safety systems for preventing undue set and release operations
#335Downhole packer tool with dummy slips
#336Downhole packer tool with antifracture means
#337Convertible multi-function downhole isolation tool and related methods
#338Non-metallic slip assembly and related methods
#339Swellable packer slip mechanism
#340Retrieval method for opposed slip type packers
#341Through tubing bridge plug and installation method for same
#342Expansion device
#343COMPOSITE DOWNHOLE TOOL WITH REDUCED SLIP VOLUME
#344Granular Particle Gripping Surface
#345Mulitplate slip method and system
#346Granular Particle Gripping Surface
#347Expandable packer with mounted exterior slips and seal
#348Ribbed sealing element and method of use
#349Sealing system
#350Depth control in coiled tubing operations
#351Granular particle gripping surface
#352High pressure expandable packer
#353Expandable packer with mounted exterior slips and seal
#354Slotted slip element for expandable packer
#355Ribbed sealing element and method of use
#356Expandable packer with anchoring feature
#357Expandable packer with anchoring feature
#358Expandable packer with anchoring feature
#359Spiral tubular tool and method
#360Hydraulic fracturing plug
#361Electrically-actuated resettable downhole anchor and/or packer, and method of setting, releasing, and resetting
#362Methods and systems for fracing
#363Methods and systems for fracing
#364Self-set full bore frac plug
#365Hydraulic setting tool apparatus and method
#366Downhole tool having a sealing element constructed from a polyvinyl alcohol compound
#367Fluid-sealing downhole bridge plugs
#368Downhole bridge plugs reinforcing rings and reinforcing ring fabrication methods
#369Borehole abandonment method using retrievable inflatable bridge plug with separate seal and anchor components
#370Lightweight, easily drillable or millable slip for composite frac, bridge and drop ball plugs