| Patents for E21B 7 - Special methods or apparatus for drilling (22,064) |
|---|
| 02/26/2012 | CA2747369A1 System, method and apparatus for drilling agitator |
| 02/23/2012 | WO2012024474A2 System and method for estimating directional characteristics based on bending moment measurements |
| 02/23/2012 | WO2012024127A2 Downhole closed-loop geosteering methodology |
| 02/23/2012 | WO2012024073A1 System and method for bent motor cutting structure analysis |
| 02/23/2012 | WO2012023985A1 Ultra-hard matrix reamers and methods |
| 02/23/2012 | WO2012021927A1 Centraliser |
| 02/23/2012 | WO2011160027A3 Oil operated rotary steerable system |
| 02/23/2012 | WO2011150363A4 Deepwater completion installation and intervention system |
| 02/23/2012 | WO2011140625A8 An apparatus and a control method for controlling the apparatus |
| 02/23/2012 | WO2011094156A3 Cutter assembly for a raise boring reamer |
| 02/23/2012 | US20120043801 Method and apparatus for creating a planar cavern |
| 02/23/2012 | US20120043136 Drilling rig for deep well drilling |
| 02/23/2012 | US20120043135 Method of forming a bore |
| 02/23/2012 | US20120043134 Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
| 02/23/2012 | US20120043133 Annular Device for Radial Displacements of Interconnected Parts |
| 02/23/2012 | US20120043132 Reamer Assembly |
| 02/23/2012 | DE10341437B4 Bohrgerät mit Gestängemagazin und Gestängemanipuliervorrichtung With drill rod magazine and Gestängemanipuliervorrichtung |
| 02/23/2012 | CA2809010A1 System and method for bent motor cutting structure analysis |
| 02/23/2012 | CA2808255A1 Centraliser |
| 02/23/2012 | CA2797198A1 High load universal joint for downhole rotary steerable drilling tool |
| 02/22/2012 | EP2419597A2 Drilling systems for cleaning wellbores, bits for wellbore cleaning, methods of forming such bits, and methods of cleaning wellbores using such bits |
| 02/22/2012 | EP1888878B8 Method and device for drilling, particularly percussion drilling or rotary percussion drilling a hole in soil or rock material |
| 02/22/2012 | CN202148867U 水平定向钻机专用座椅 Horizontal directional drilling chair |
| 02/22/2012 | CN202148866U 一种底锚钻机 One substrate anchor rig |
| 02/22/2012 | CN102362045A Helical drilling apparatus, systems, and methods |
| 02/22/2012 | CN102359347A Machine-locked drilling machine, drilling rod monitoring method, controller and monitoring system thereof |
| 02/22/2012 | CN101302922B 水平定向钻穿越砂卵砾石地层的施工方法 Horizontal directional drilling construction methods sand gravel formations |
| 02/21/2012 | US8118115 Method and system for installing geothermal heat exchangers, micropiles, and anchors using a sonic drill and a removable or retrievable drill bit |
| 02/21/2012 | US8118114 Closed-loop control of rotary steerable blades |
| 02/21/2012 | US8118112 Rock breaking device, protection valve and a method of operating a rock breaking device |
| 02/21/2012 | US8118102 Downhole swivel apparatus and method |
| 02/21/2012 | CA2683711C Systems and methods for reducing backward whirling while drilling |
| 02/16/2012 | WO2012021327A1 Vibratory drilling apparatus |
| 02/16/2012 | WO2012021302A2 Drilling system for enhanced coring and method |
| 02/16/2012 | WO2011159563A3 Subsea completions and well interventions using a vessel of opportunity |
| 02/16/2012 | WO2011158111A3 Rotary steerable tool actuator tool face control |
| 02/16/2012 | WO2011109075A9 Dual top drive systems and methods |
| 02/16/2012 | US20120037428 System and method for drilling a deviated wellbore |
| 02/16/2012 | US20120037426 Downhole Tool |
| 02/16/2012 | US20120037425 Bearing assembly including bearing support ring configured to reduce thermal warping during use, bearing apparatuses using the same, and related methods |
| 02/16/2012 | US20120037424 Vibratory drilling apparatus |
| 02/16/2012 | US20120037372 Recovery or Storage Process |
| 02/16/2012 | CA2816525A1 Drilling system for enhanced coring and method |
| 02/15/2012 | EP2418351A1 A mud pulse telemetry synchronous time averaging system |
| 02/15/2012 | EP2132399B1 System, method, and apparatus for passive and active updrill features on roller cone drill bits |
| 02/15/2012 | EP2044286B1 Device for connecting a section of a pipe run to a pulling element |
| 02/15/2012 | CN202144723U 挖掘机型钻机 Excavators rig |
| 02/15/2012 | CN102352725A Drilling jet type coal seam cutting system |
| 02/15/2012 | CN102031950B 煤层顶板梳状瓦斯抽采钻孔的成孔工艺方法 Seam roof comb gas pumped into the hole drilling process for mining |
| 02/15/2012 | CN101634218B 具有钻孔控制注浆装置的组合式钻具 Grouting drilling control apparatus having a combined drill |
| 02/14/2012 | US8113302 Drilling tool |
| 02/14/2012 | US8113300 Impact excavation system and method using a drill bit with junk slots |
| 02/14/2012 | CA2588135C Methods and apparatus for drilling, completing and configuring u-tube boreholes |
| 02/12/2012 | CA2747272A1 A mud pulse telemetry synchronous time averaging system |
| 02/09/2012 | WO2012018922A1 Directional wellbore control by pilot hole guidance |
| 02/09/2012 | WO2012018920A1 Apparatus and method for downhole energy conversion |
| 02/09/2012 | WO2012018620A2 Method and apparatus for transforming a pressure drop into a continuous fluid flow |
| 02/09/2012 | WO2012016833A2 Holding apparatus for a drill rod of a taphole drilling machine and method for removing a drill rod |
| 02/09/2012 | WO2011159192A9 "istok" drilling installation |
| 02/09/2012 | WO2010092313A8 Offset stochastic control |
| 02/09/2012 | US20120031678 Method of forming a bore |
| 02/09/2012 | US20120031677 Directional wellbore control by pilot hole guidance |
| 02/09/2012 | US20120031676 Apparatus and method for directional drilling |
| 02/09/2012 | US20120031675 Abrasive Compact of Superhard Material and Chromium and Cutting Element Including Same |
| 02/09/2012 | US20120031674 Shaped cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods |
| 02/09/2012 | US20120031673 Lockable reamer |
| 02/09/2012 | US20120031672 Apparatus and Methods for Real Time Communication in Drill Strings |
| 02/09/2012 | US20120031671 Drill Bits With Rolling Cone Reamer Sections |
| 02/09/2012 | DE102010036901A1 Method for mounting nozzle jet floor, involves lifting nozzle jet lance with part of holes in bore hole up to depth, and bringing column to form reinforcer, where column is vertically arranged at distance from nozzle jet floor |
| 02/08/2012 | EP2415881A1 Holding device for a drill rod of a tap hole drilling machine and method for removing a drill rod |
| 02/08/2012 | EP2414632A1 A method for the collection of samples of soil and a vehicle intended to be used with the method |
| 02/08/2012 | EP2414594A1 Methods and apparatus for the installation of columns / piles |
| 02/08/2012 | CN202140021U 一种偏重分流式气体动力学自动垂直钻井工具 An emphasis on aerodynamics Split Automatic Vertical Drilling Tools |
| 02/08/2012 | CN202140020U 结构布局紧凑的钻孔设备 The compact structure and layout of drilling equipment |
| 02/08/2012 | CN202140019U 多用途岩心钻机 Multipurpose Core Drill |
| 02/08/2012 | CN102345442A Electric hole diameter expander |
| 02/08/2012 | CN102345441A Self-propelled drilling method and pulsed cavitation swirling jet nozzle |
| 02/08/2012 | CN102345440A Clearance adjusting device for frame of rotary drilling rig |
| 02/08/2012 | CN101962949B 长螺旋二重管高压搅喷桩施工方法及其装置 Long spiral double tube high-pressure jet mixing pile construction method and apparatus |
| 02/07/2012 | US8111502 Arrangement adapted for a subsea application |
| 02/07/2012 | US8109345 System and method for drilling a borehole |
| 02/07/2012 | CA2573375C Closed loop control bore hole drilling system |
| 02/05/2012 | CA2746259A1 Lockable reamer |
| 02/05/2012 | CA2739978A1 Apparatus and method for directional drilling |
| 02/02/2012 | WO2012015894A1 "system and method for directional drilling" |
| 02/02/2012 | WO2012015315A1 Riserless, pollutionless drilling system |
| 02/02/2012 | WO2011156364A3 Improved soil shoring method |
| 02/02/2012 | WO2011100966A3 Method and device for direction-controlled drilling |
| 02/02/2012 | WO2011079339A3 Drill bit for the drilling, in particular percussion drilling or rotary percussion drilling, of holes in soil material or rock material |
| 02/02/2012 | US20120027516 Methods for constructing underground borehole configurations and related solution mining methods |
| 02/02/2012 | US20120024606 System and method for direction drilling |
| 02/02/2012 | US20120024605 Drill hole planning |
| 02/02/2012 | US20120024604 Fixed cutter drill bit for abrasive applications |
| 02/02/2012 | US20120024603 Apparatus for a pipe string of a geological drill hole, pipe string, method for operating a geological drilling gear and method for producing a pipe string for a geological drill hole |
| 02/02/2012 | US20120024601 Methods of using a particle impact drilling system for removing near-borehole damage, milling objects in a wellbore, under reaming, coring, perforating, assisting annular flow, and associate methods |
| 02/02/2012 | DE102010049415B3 Device for horizontal bearing and providing of drilling rod in borehole in ground, has guiding rollers pressed at ends of drilling rod or portion of rod, and driven in symmetrical manner, where rod is protruded out from compartments |
| 02/02/2012 | DE102009058265B4 Vorrichtung zur Entnahme von strukturell unversehrten Bodenproben A device for taking soil samples of structurally intact |
| 02/02/2012 | CA2801852A1 Flex joint for downhole drilling applications |
| 02/01/2012 | EP2411621A1 Helical drilling apparatus, systems, and methods |
| 02/01/2012 | EP2411616A1 Expandable multi-flute reamer with tapered pin |