135168 ⎘
Special methods or apparatus for drilling; Directional drilling; Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock
Sidetracking system and related methods
#302Window milling systems with expandable blades for securing a whipstock assembly and method of use
#303String supported whipstock for multiple laterals in a single trip and related method
#304Mill diverter having a swellable material for preventing fluid flow past the material
#305SYSTEM AND METHOD FOR COUPLING A DRILL BIT TO A WHIPSTOCK
#306Systems and methods for rotationally orienting a whipstock assembly
#307Method of intersecting a first well bore by a second well bore
#308Integrated sidetrack drilling tool
#309System for circumferentially aligning a downhole latch subsystem
#310Apparatus and method for milling/drilling windows and lateral wellbores without locking using unlocked fluid-motor
#311Borehole selector assembly
#312Diverter latch assembly system
#313Systems and methods for managing milling debris
#314Hydraulically triggered anchor
#315Assembly and technique for completing a multilateral well
#316Wedge deflecting device for sidetracking
#317Wellbore anchoring system
#318Downhole apparatus, device, assembly and method
#319APPARATUS AND METHOD FOR LATERAL WELL DRILLING
#320Cementing whipstock apparatus and methods
#321System and method to facilitate the drilling of a deviated borehole
#322Oil and gas enhancement system—radial drilling method
#323Spiral whipstock for low-side casing exits
#324Apparatus and Method for Lateral Well Drilling
#325Apparatus and method for placement of downhole tools using a visual imaging device
#326Method and Device for Producing an Opening from a Motherbore and into a Formation
#327Whipstock assembly and method for low side exit
#328AFFIXATION AND RELEASE ASSEMBLY FOR A MILL AND METHOD
#329Above mudline whipstock for marine platform drilling operations
#330Wellbore junction completion with fluid loss control
#331System and method for coupling an impregnated drill bit to a whipstock
#332System and method for coupling a drill bit to a whipstock
#333Extended reach whipstock
#334Borehole Imaging And Orientation Of Downhole Tools
#335Expandable window milling bit and methods of milling a window in casing
#336High performance wellbore departure and drilling system
#337Lateral well drilling apparatus and method
#338Method and apparatus for communicating with a device located in a borehole
#339Hydraulic drilling method with penetration control
#340Method and apparatus for drilling a zero-radius lateral
#341Method and apparatus for milling a zero radius lateral window in casing
#342Extended reach whipstock and methods of use
#343Controllably installed multilateral completions assembly
#344Combination whipstock and completion deflector
#345Redundant position reference system for multilateral exit construction and method for use of same
#346Apparatus and Method for Lateral Well Drilling
#347Method of forming a bore
#348Method of forming a bore
#349Installation System with Force Generating Tool
#350OPEN-HOLE ANCHOR WHIPSTOCK SYSTEM
#351Downhole hydraulic jetting assembly, and method for stimulating a production wellbore
#352Drilling and completion deflector and method of using
#353Apparatus and method for setting a tool in a borehole
#354CURVED STRUCTURAL PIPE SHOE
#355Cementing whipstock apparatus and methods
#356Intelligent controlled process for well lateral coring
#357T-Frac System Run in System
#358Downhole hydraulic jetting assembly, and method for stimulating a production wellbore
#359Blasting lateral holes from existing well bores
#360Full Gauge Milling Bottom Hole Assembly with Optimal Contact Force and Build Rate Capability
#361Apparatus and Method for Positioning Extended Lateral Channel Well Stimulation Equipment
#362Side-tracking system and related methods
#363Apparatus and methods for characterizing a reservoir
#364Directional setting tool and associated methods
#365Method and device for making lateral openings out of a wellbore
#366Whipstock attachment to a fixed cutter drilling or milling bit
#367Permanent bypass whipstock assembly for drilling and completing a sidetrack well and preserving access to the original wellbore
#368Methods and apparatuses for installing lateral wells
#369Milling system and method of milling
#370Apparatus and method for lateral well drilling
#371Apparatus and method for milling casing in jet drilling applications for hydrocarbon production
#372Directional sidetrack well drilling system
#373Drilling and completion deflector
#374Method and system for laterally drilling through a subterranean formation
#375Horizontal waterjet drilling method
#376Open-hole anchor for whipstock system
#377Mill-through tailpipe liner exit and method of use thereof
#378DOWNHOLE SEAL AND ANCHOR RELEASING SYSTEM AND METHOD
#379Methods, systems, and apparatus for production of hydrocarbons from a subterranean formation
#380Whipstock
#381Non-metallic whipstock
#382METHOD AND APPARATUS FOR A DOWNHOLE EXCAVATION IN A WELLBORE
#383METHOD AND APPARATUS FOR INSTALLING DEFLECTING CONDUCTOR PIPE
#384Method and apparatus for lateral well drilling with enhanced capability for clearing cuttings and other particles
#385Method and apparatus for lateral well drilling with biased length adjusting casing cutter
#386Combination whipstock and seal bore diverter system
#387Underground sequestration system and method
#388Apparatus and method for positioning extended lateral channel well stimulation equipment
#389Inverted drainholes and the method for producing from inverted drainholes
#390Method and apparatus for lateral well drilling utilizing an abrasive fluid stream discharged from a rotating nozzle
#391Borehole imaging and orientation of downhole tools
#392One trip milling system and method
#393Chemically Enhanced Stimulation of oil/gas formations
#394Methods, systems and apparatus for production of hydrocarbons from a subterranean formation
#395Drilling system and methods of drilling lateral boreholes
#396DEBRIS CONTROL ARRANGEMENT FOR A WHIPSTOCK AND METHOD
#397Method and assembly for forming a supported bore using a first and second drill bit
#398Casing window milling assembly
#399Whipstock assembly for forming a window within a wellbore casing
#400Apparatus, system, and method for casing hole formation in radial drilling operations
#401Method and apparatus for laterally drilling through a subterranean formation
#402Degradable whipstock apparatus and method of use
#403Whipstock with curved ramp
#404Downhole tool retrieval and setting system
#405Diameter based tracking for window milling system
#406Mechanical and fluid jet drilling method and apparatus
#407Non-metallic whipstock
#408ONE TRIP MILLING SYSTEM
#409Downhole/openhole anchor
#410Method and apparatus for horizontal drilling and oil recovery
#411In-situ creation of drilling deflector
#412Apparatus, system and method for installing boreholes from a main wellbore
#413Wellbore system for simultaneous drilling and production
#414Downhole motor locking assembly and method
#415Method and apparatus for a downhole excavation in a wellbore
#416Whipstock liner
#417One-step directional coring or drilling system
#418Expandable window milling bit and methods of milling a window in casing
#419Apparatus and method for improving multilateral well formation and reentry
#420Whipstock kick off radius
#421Apparatus and methods of use for a whipstock anchor
#422Method for locating casing joints using measurement while drilling tool
#423Sleeved hose assembly and method for jet drilling of lateral wells
#424Steerable drilling system
#425Method and apparatus for horizontal drilling and oil recovery
#426Adjustable window liner
#427Wellstring assembly
#428Perforation alignment tool for jet drilling, perforating and cleaning
#429Downhole tool
#430Expandable whipstock anchor assembly
#431Lateral downhole drilling tool
#432Whipstock assembly and method of manufacture
#433Apparatus and method of drilling with casing
#434Method of drilling and completing multiple wellbores inside a single caisson
#435One-step directional coring or drilling system
#436Apparatus and methods for forming a lateral wellbore
#437Apparatus and methods for expanding tubulars in a wellbore
#438Single mill casing window cutting tool and method
#439Wellbore liner system
#440Orientable whipstock tool and method
#441Horizontal directional drilling in wells
#442Downhole tubular splitter assembly and method
#443Method and device for deviated coring and/or drilling
#444Erectable arm assembly for use in boreholes
#445Well string assembly
#446Directional drilling method for branching borehole with short radius and system
#447Directional drilling device and drilling method of aquifer remediation of coal seam roof
#448Rotatable sleeve for downhole tool
#449Real time untorquing and over-torquing of drill string connections
#450Motor rotary steerable system
#451Multilateral well system and method
#452Steering assembly for directional drilling of a wellbore