| Patents for E21B 7 - Special methods or apparatus for drilling (22,064) |
|---|
| 06/26/2007 | US7234539 Method and apparatus for rescaling measurements while drilling in different environments |
| 06/26/2007 | US7234538 Method for sinking a borehole in the ground and wet boring tool |
| 06/26/2007 | US7234537 Sonic drill |
| 06/26/2007 | US7234526 Method of forming a sealed wellbore intersection |
| 06/26/2007 | US7234522 Apparatus and method for drilling a wellbore with casing and cementing the casing in the wellbore |
| 06/26/2007 | CA2402623C Template and system of templates for drilling and completing offsite well bores |
| 06/26/2007 | CA2289301C Casing hammer assembly for cable tool drilling apparatus |
| 06/26/2007 | CA2271795C Whipstock |
| 06/26/2007 | CA2260519C Sealed lateral wellbore junction assembled downhole |
| 06/21/2007 | WO2007068103A1 A vibratory apparatus for a rotary-vibratory drill |
| 06/21/2007 | WO2006060788A3 Downhole swivel apparatus and method |
| 06/21/2007 | US20070137898 Automatic downlink system |
| 06/21/2007 | US20070137897 Combined directional and impact drilling motor |
| 06/21/2007 | US20070137874 Rock drilling machine and rock drilling system |
| 06/20/2007 | EP1797276A1 Sleeve arrangement |
| 06/20/2007 | EP1797275A1 Housing arrangement |
| 06/20/2007 | EP1797274A1 A drilling apparatus having in-line extending wings and driving method thereof |
| 06/20/2007 | CN2913578Y Rotary digging driller mast |
| 06/20/2007 | CN2913577Y Simple rotary digging driller |
| 06/20/2007 | CN2913576Y Positioning chassis for engineering driller |
| 06/20/2007 | CN2913575Y Instrument utilizing geologic driller drilling hole and cement grouting construction technique |
| 06/20/2007 | CN1985066A Apparatus and method for modified horizontal directional drilling assembly |
| 06/20/2007 | CN1982545A Arch press for pile formation apparatus with branched and/or bearing disc |
| 06/20/2007 | CN1322221C Feeding and supporting unit of movable drilling machine |
| 06/19/2007 | US7231980 Self orienting lateral junction system |
| 06/19/2007 | US7231979 Short radius whipstock system |
| 06/19/2007 | CA2474232C Anti-rotation device for a steerable rotary drilling device |
| 06/19/2007 | CA2462990C Bits for use in drilling with casing and method of making the same |
| 06/19/2007 | CA2383668C Rotary steerable drilling tool |
| 06/19/2007 | CA2145128C Curved drilling apparatus |
| 06/14/2007 | WO2007067544A2 Apparatus, system and method for installing boreholes from a main wellbore |
| 06/14/2007 | WO2007067063A1 A device for a borehole arrangement |
| 06/14/2007 | WO2007066186A1 Brittle material fracturing system |
| 06/14/2007 | WO2007034136A3 Sub-surface deployment valve |
| 06/14/2007 | US20070131455 Nozzle unit and method for excavating a hole in an object |
| 06/14/2007 | DE102005050932B3 Überbohrvorrichtung Überbohrvorrichtung |
| 06/14/2007 | CA2629607A1 A device for a borehole arrangement |
| 06/13/2007 | EP1795697A1 Soil treating device |
| 06/13/2007 | EP1614852B8 Hole opener |
| 06/13/2007 | EP1532344A4 Tool apparatus, system and method of use |
| 06/13/2007 | CN2911170Y Non-rotation deformable drill string stabilizer |
| 06/13/2007 | CN1978862A Soil treating device |
| 06/12/2007 | US7228920 Drilling apparatus and method for introducing a drilling element into the soil |
| 06/12/2007 | US7228918 System and method for forming an underground bore |
| 06/12/2007 | CA2502950C Cutting structure based hydraulics |
| 06/12/2007 | CA2493431C Undulating well bore |
| 06/12/2007 | CA2453459C Apparatus and method for drilling with casing |
| 06/12/2007 | CA2377455C Tool for changing the drilling direction while drilling |
| 06/12/2007 | CA2315233C System and method for positioning a tool in a wellbore |
| 06/08/2007 | CA2570716A1 Steering of bent housing mud motor downhole rotation device |
| 06/07/2007 | WO2007065099A2 Roof drilling system improvements |
| 06/07/2007 | WO2007063568A1 Well drilling machine with new drill pipe loader |
| 06/07/2007 | WO2007063324A1 Method and apparatus for installing deflecting conductor pipe |
| 06/07/2007 | US20070127990 Lead alignment attachment |
| 06/07/2007 | US20070127896 Method of heat drilling holes in ice and apparatus for carrying out the method |
| 06/07/2007 | US20070125577 Apparatus, system and method for installing boreholes from a main wellbore |
| 06/07/2007 | US20070125550 Thru tubing tool and method |
| 06/07/2007 | US20070125545 Method and apparatus for removing cuttings from drilling fluids |
| 06/07/2007 | CA2631405A1 Method and apparatus for installing deflecting conductor pipe |
| 06/06/2007 | EP1792052A2 Integrated magnetic ranging tool |
| 06/06/2007 | EP1792045A2 A modular, distributed, rov retrievable subsea control system, associated deepwater subsea blowout preventer stack configuration, and methods of use |
| 06/06/2007 | EP1616072B1 A rock drill bit assembly |
| 06/06/2007 | CN1975094A Steel pipe for burying and expansion and burying method of oil well steel pipe |
| 06/06/2007 | CN1320252C Method of freeing stuck drill pipe |
| 06/06/2007 | CN1320250C Drilling tool of the displacing type in soil and method |
| 06/05/2007 | US7225889 Downhole motor locking assembly and method |
| 06/05/2007 | US7225888 Hydraulic fluid coupling |
| 06/05/2007 | US7225887 Method of drilling an ultra-short radius borehole |
| 06/05/2007 | US7225885 Boring tool control using remote locator |
| 06/05/2007 | US7225879 Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell |
| 06/05/2007 | US7225868 Steel pipe for embedding-expanding, and method of embedding-expanding oil well steel pipe |
| 05/31/2007 | WO2007061358A1 A bearing in connection with a boom |
| 05/31/2007 | WO2007044477A3 Remotely controlled decoking tool used in coke cutting operations |
| 05/31/2007 | US20070119630 Jack Element Adapted to Rotate Independent of a Drill Bit |
| 05/31/2007 | US20070119629 Method and apparatus for drilling curved boreholes |
| 05/31/2007 | US20070119626 Apparatus and methods for drilling a wellbore using casing |
| 05/31/2007 | US20070119624 Roof drilling improvements |
| 05/31/2007 | US20070119622 Drilling rig |
| 05/31/2007 | US20070119621 Method and device for controlling drilling fluid pressure |
| 05/31/2007 | DE102005055032A1 Ram drill for drilling boreholes in the earth has pneumatic reversing gear comprising a rotary slide connected to a torsion-resistant air pipe for supplying air to and evacuating air from a control chamber |
| 05/31/2007 | CA2628933A1 A bearing in connection with a boom |
| 05/30/2007 | EP1789652A2 Pulsed electric rock drilling, fracturing, and crushing methods and apparatus |
| 05/30/2007 | EP1668221B1 Method and device for boring holes in soil or rock |
| 05/30/2007 | EP1540219B1 Method and apparatus for replacement of underground pipe |
| 05/30/2007 | CN2906025Y Indicator for connection of pre-perforated branched joints |
| 05/30/2007 | CN2906024Y Remotely-controlled tapered stabilizer through flow channel |
| 05/30/2007 | CN1973109A Telescopic feed beam for rock drill |
| 05/30/2007 | CN1970986A Excavating equipment for underground passage and construction method therefor |
| 05/30/2007 | CN1318724C Jet cutting device for cutting and drilling |
| 05/30/2007 | CN1318723C Device and method for drilling into geologic terrane |
| 05/29/2007 | US7222681 Programming method for controlling a downhole steering tool |
| 05/24/2007 | WO2007059210A2 Stuffing box assembly and sealing assembly for use therein |
| 05/24/2007 | WO2007057426A2 Device and method for feeding particles into a stream |
| 05/24/2007 | WO2007057089A1 System and method for tensioning pipe sections to form a pipeline |
| 05/24/2007 | WO2006044737A3 Method and control system for directional drilling |
| 05/24/2007 | US20070114068 Drill Bit Assembly for Directional Drilling |
| 05/24/2007 | US20070114066 A Drill Bit Assembly Adapted to Provide Power Downhole |
| 05/24/2007 | US20070114037 Wellbore system for simultaneous drilling and production |
| 05/24/2007 | DE102004036425B4 Vorrichtung und Verfahren zum Verbinden eines Rohrstrangs mit einem Bohr-, Aufweit- oder Einzugsgerät Apparatus and method for connecting a pipe string with a drilling, widening, or drawing device |
| 05/24/2007 | DE10149018B4 Verfahren zum Richtungsbohren A method for directional drilling |