| Patents for E21B 7 - Special methods or apparatus for drilling (22,064) |
|---|
| 09/09/2009 | CN201306121Y Rotary drilling rig |
| 09/09/2009 | CN201306120Y Special upper part for rotary drilling rig |
| 09/09/2009 | CN201306119Y Pressurized petroleum wellhead driller |
| 09/09/2009 | CN201306118Y Hydraulic shaft-well drill |
| 09/08/2009 | US7584811 Reaming and stabilization tool and method for its use in a borehole |
| 09/08/2009 | US7584807 Multiple pulsejet boring device |
| 09/08/2009 | US7584796 Drilling rig |
| 09/08/2009 | US7584795 Sealed branch wellbore transition joint |
| 09/08/2009 | US7584794 Mechanical and fluid jet horizontal drilling method and apparatus |
| 09/08/2009 | US7584788 Control method for downhole steering tool |
| 09/08/2009 | CA2567855C Coiled tubing drilling rig |
| 09/08/2009 | CA2546931C Expanded downhole screen systems and method |
| 09/08/2009 | CA2448134C Method and apparatus for determining drilling paths to directional targets |
| 09/08/2009 | CA2414091C Method of opening joints between drilling components, and rock drill |
| 09/03/2009 | WO2009106897A2 A method and system for facilitating assembly of a drilling rig |
| 09/03/2009 | WO2009106863A2 A method for facilitating construction of a drilling rig |
| 09/03/2009 | WO2009106859A1 Method and apparatus for facilitating assembly and erection of a drilling rig |
| 09/03/2009 | WO2009106449A1 Apparatus and method for making boreholes in the ground, the cross sections of which boreholes partially intersect |
| 09/03/2009 | WO2009106448A1 Apparatus and method for making boreholes in the ground, the cross sections of which boreholes partially intersect |
| 09/03/2009 | WO2009018448A9 Return line mounted pump for riserless mud return system |
| 09/03/2009 | US20090220306 Offshore System |
| 09/03/2009 | US20090218143 Apparatus and method for positioning extended lateral channel well stimulation equipment |
| 09/03/2009 | US20090218141 Method and System for Helicopter Portable Drilling |
| 09/03/2009 | US20090218140 Reamer With Balanced Cutting Structure For Use In A Wellbore |
| 09/03/2009 | US20090218139 Drilling rigs and erection methods |
| 09/03/2009 | US20090218138 Drilling rig structure installation and methods |
| 09/03/2009 | US20090218137 Drilling rig drawworks installation |
| 09/03/2009 | US20090218136 Water bottom ore sampler and method of using the same |
| 09/03/2009 | US20090218098 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 Associated Methods |
| 09/03/2009 | DE202009008765U1 Soleverteilerschachtbauwerk für Erdwärmesonden Sole distributor shaft structure for geothermal probes |
| 09/03/2009 | CA2805016A1 A method for facilitating construction of a drilling rig |
| 09/03/2009 | CA2781076A1 A method and system for facilitating assembly of a drilling rig |
| 09/03/2009 | CA2716749A1 A method and system for facilitating assembly of a drilling rig |
| 09/03/2009 | CA2716395A1 A method for facilitating construction of a drilling rig |
| 09/03/2009 | CA2716057A1 Method and apparatus for facilitating assembly and erection of a drilling rig |
| 09/02/2009 | EP2094933A1 Device for percussion drilling or rotary percussion drilling in rocky material |
| 09/02/2009 | EP2094932A1 Drilling car for close spaces |
| 09/02/2009 | CN201301666Y Micro control directional drill |
| 09/02/2009 | CN201301665Y Simple working platform for petroleum workover rig |
| 09/02/2009 | CN101519954A Multifunctional combination operation process and device for injection pump unit |
| 09/01/2009 | US7581600 Method of forming a trenchless flowline |
| 09/01/2009 | CA2550405C Method and apparatus for enhancing directional accuracy and control using bottomhole assembly bending measurements |
| 09/01/2009 | CA2511628C Downhole filter |
| 08/29/2009 | CA2623121A1 Method and system for helicopter portable drilling |
| 08/27/2009 | WO2009105470A2 Devices and methods for horizontal directional drilling with a boring tool library |
| 08/27/2009 | WO2009105005A1 Boom arrangement for a rock drill and rock drill rig |
| 08/27/2009 | WO2009103149A1 A method and system for installing geothermal heat exchangers, energy piles, concrete piles, micropiles, and anchors using a sonic drill and a removable or retrievable drill bit |
| 08/27/2009 | US20090214299 Method and system for installing geothermal heat exchangers, micropiles, and anchors using a sonic drill and a removable or retrievable drill bit |
| 08/27/2009 | US20090211814 Drill string flow control valves and methods |
| 08/27/2009 | US20090211813 Drilling rig and method for introducing one or more drilling pipes into an underbalanced well using same |
| 08/27/2009 | US20090211812 Boring head method and boring head for a ground boring device |
| 08/27/2009 | US20090211811 Method and system for installing geothermal transfer apparatuses with a sonic drill and a removable or retrievable drill bit |
| 08/27/2009 | DE102008010773A1 Vorrichtung und Verfahren zum Einbringen von Bohrungen ins Erdreich, deren Querschnitte sich teilweise überschneiden Apparatus and method for making holes in the ground, the cross sections partially overlap |
| 08/27/2009 | DE102008005276B3 Vorrichtung zur Herstellung von Bohrungen Apparatus for producing bore holes |
| 08/27/2009 | CA2827026A1 A method and system for installing geothermal heat exchangers, energy piles, concrete piles, micropiles, and anchors using a sonic drill and a removable or retrievable drill bit |
| 08/27/2009 | CA2716209A1 A method and system for installing geothermal heat exchangers, energy piles, concrete piles, micropiles, and anchors using a sonic drill and a removable or retrievable drill bit |
| 08/26/2009 | EP2093373A1 Drilling device, in particular for producing blast holes in the bed of a body of water and method for inserting an explosive charge into the bed of a body of water |
| 08/26/2009 | EP2092152A1 Dual-direction ram-type blowout preventer seal |
| 08/26/2009 | CN201297131Y A luffing mechanism of rotary dig drill machine mast top pulley support |
| 08/26/2009 | CN201297130Y Blasthole slag-blocking device used in blasting ditching |
| 08/26/2009 | CN101517188A Systems and methods for drilling and producing subsea fields |
| 08/26/2009 | CN100532738C Continuous realizing method of underground engineering |
| 08/25/2009 | US7578350 Gas minimization in riser for well control event |
| 08/25/2009 | US7578349 Lightweight and compact subsea intervention package and method |
| 08/25/2009 | CA2530398C Coupling for dual member pipe |
| 08/20/2009 | WO2009102804A2 Systems and methods for positioning of pads and orienting slot templates |
| 08/20/2009 | WO2009102578A2 Method and system of monitoring rotational time of rotatable equipment |
| 08/20/2009 | WO2009101477A2 Steerable system |
| 08/20/2009 | WO2009101476A2 Directional drilling system |
| 08/20/2009 | WO2009101377A1 Method and apparatus for facilitating erection of a drilling rig |
| 08/20/2009 | WO2009065579A3 Sensor deployment |
| 08/20/2009 | WO2009027728A3 Whipstock assembly |
| 08/20/2009 | US20090205872 Air Injection Collar |
| 08/20/2009 | US20090205871 Shot Blocking Using Drilling Mud |
| 08/20/2009 | US20090205869 Method and system of monitoring rotational time of rotatable equipment |
| 08/20/2009 | US20090205868 Devices and Methods for Horizontal Directional Drilling with a Boring Tool Library |
| 08/20/2009 | US20090205867 Real Time Misalignment Correction of Inclination and Azimuth Measurements |
| 08/20/2009 | US20090205820 Systems and methods for monitored drilling |
| 08/20/2009 | CA2714731A1 Systems and methods for improved positioning of pads |
| 08/20/2009 | CA2712580A1 Method and system of monitoring rotational time of rotatable equipment |
| 08/20/2009 | CA2711458A1 Method and apparatus for facilitating erection of a drilling rig |
| 08/20/2009 | CA2710204A1 Directional drilling system |
| 08/20/2009 | CA2709929A1 Steerable system |
| 08/19/2009 | CN201292800Y Six-grade branch well window sealing mechanism |
| 08/19/2009 | CN201292764Y Branch downhole sleeve pipe autorotation apparatus |
| 08/19/2009 | CN201292763Y Slip anchoring inclinguide machine |
| 08/19/2009 | CN201292762Y Six-stage branch well branch producing and branch system tool |
| 08/19/2009 | CN101509350A Pneumatic crawler hydraulic jumbo |
| 08/18/2009 | US7575050 Method and apparatus for a downhole excavation in a wellbore |
| 08/18/2009 | US7575049 Exit window milling assembly with improved restraining force |
| 08/13/2009 | WO2009099945A2 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 associated methods |
| 08/13/2009 | WO2009067373A3 Generating and updating true vertical depth indexed data and log in real time data acquisition |
| 08/13/2009 | US20090200086 Subsoil automatic rotary drilling system for drilling oil, mineral and water wells |
| 08/13/2009 | US20090200084 Injection System and Method |
| 08/13/2009 | US20090200083 Method and Apparatus for Processing and Injecting Drill Cuttings |
| 08/13/2009 | US20090200080 Impact excavation system and method with particle separation |
| 08/13/2009 | US20090200037 Method and arrangement for removing soils, particles or fluids from the seabed or from great sea depths |
| 08/13/2009 | DE10034471B4 Rammbohrgerät Ram boring machine |
| 08/12/2009 | CN201288505Y Deviation rectifying guidance drilling tool while drilling |
| 08/12/2009 | CN201288504Y Digging machine type drill |