| Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800) |
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| 07/26/2006 | CN2799838Y Screw type pumping rod centralizer |
| 07/26/2006 | CN2799837Y Deflection preventing device for polished rod of pumping unit |
| 07/26/2006 | CN2799836Y Detached anode mounted on sleeve inner wall |
| 07/26/2006 | CN1809682A Connection rod and method for production thereof |
| 07/26/2006 | CN1807828A Flexible pressurizing and damping device for drill bit |
| 07/26/2006 | CN1807827A Method and apparatus for high precision horizontal drilling on reinforced concrete |
| 07/26/2006 | CN1266368C Auger drill |
| 07/25/2006 | US7080998 Internal coaxial cable seal system |
| 07/25/2006 | US7080701 Electrically sequenced tractor |
| 07/25/2006 | US7080699 Wellbore communication system |
| 07/25/2006 | US7080697 Method and device for drilling a hole and for securing an anchorage in a bore hole |
| 07/25/2006 | US7080689 Instrumentation assembly for an offshore riser |
| 07/25/2006 | US7080552 Method and apparatus for MWD formation testing |
| 07/20/2006 | WO2006076526A1 Gravel pack shut tube with control line retention and method for retaining control |
| 07/20/2006 | WO2006075921A1 A torque converter for use when drilling with a rotating drill bit |
| 07/20/2006 | WO2006007240A3 Retrofit kit for a modular control apparatus for a power impact tool |
| 07/20/2006 | US20060159523 Underwater enclosure apparatus and method for constructing the same |
| 07/20/2006 | US20060158296 Inductive Coupler for Downhole Components and Method for Making Same |
| 07/20/2006 | US20060157974 Composite low cycle fatigue coiled tubing connector |
| 07/20/2006 | US20060157283 Steerable drilling system |
| 07/20/2006 | US20060157253 Downhole swivel apparatus and method |
| 07/20/2006 | US20060157252 Subsea riser disconnect and method |
| 07/20/2006 | DE102004003479B4 Bohrgestänge für Tiefbohrungen Drill pipe for deep drilling |
| 07/19/2006 | EP1680573A1 Expandable wellbore assembly |
| 07/19/2006 | EP1540128A4 Interposed joint sealing layer method of forming a wellbore casing |
| 07/19/2006 | EP1511944B1 Method and assembly for the rapid connection and separation of interconnectable elements |
| 07/19/2006 | EP1488072B1 A method for applying an anti-corrosion coating to especially corrosion exposed parts in rock drill equipment |
| 07/19/2006 | EP1346129B1 Casing shoe |
| 07/19/2006 | CN2797614Y Oil pipe type continuous sucker rod centering guide |
| 07/19/2006 | CN2797613Y Vertical rotating combination type off-axis wear proof device |
| 07/19/2006 | CN2797612Y Off-axis wear proof type sucker rod centering guide |
| 07/19/2006 | CN2797611Y Straight-through type fracture wellhead casing protector |
| 07/19/2006 | CN1806091A System and method for transmitting electric power into a bore |
| 07/19/2006 | CN1804363A Oil-lubricated partial-abrasion preventing rod |
| 07/18/2006 | US7077603 Stress limiting device for offshore oil reservoir production pipe |
| 07/18/2006 | US7077213 Expansion cone for radially expanding tubular members |
| 07/18/2006 | US7077210 Expansion method |
| 07/18/2006 | US7077198 In situ recovery from a hydrocarbon containing formation using barriers |
| 07/18/2006 | US7077197 Expandable tubular connection |
| 07/18/2006 | CA2483796C Coiled tubing having multiple strings of smaller tubing embedded therein |
| 07/18/2006 | CA2381281C Apparatus for optimizing production of multi-phase fluid |
| 07/18/2006 | CA2365310C Wellbore primary barrier and related systems |
| 07/18/2006 | CA2253574C Multi-lateral wellbore systems and methods for forming same |
| 07/18/2006 | CA2130818C Method for overburden drilling, casing shoe and casing tube for the method, and coupling element for the casing tubes |
| 07/14/2006 | CA2511371A1 Method of running a down hole rotary pump |
| 07/13/2006 | WO2006074309A1 Vortex induced vibration optimizing system |
| 07/13/2006 | WO2006073902A2 Threads with perturbations |
| 07/13/2006 | WO2006073861A1 Pseudo two-step connection |
| 07/13/2006 | WO2006073309A1 A cable-protective pipe section, a method of protectively arranging at least one cable on the outside of the pipe section and use of a device for protecting the cable |
| 07/13/2006 | WO2006072761A2 Downhole tool |
| 07/13/2006 | US20060153642 Suppression element for vortex-induced vibrations, construction kit, apparatus for extracting minerals, and mold |
| 07/13/2006 | US20060151216 Downhole drilling tool |
| 07/13/2006 | US20060151211 Transmitting electric power into a bore hole |
| 07/13/2006 | US20060151189 Power tool with battery power supply |
| 07/13/2006 | US20060151179 Apparatus and method for transmitting a signal in a wellbore |
| 07/13/2006 | US20060150384 Method of manufacturing continuous sucker rod |
| 07/13/2006 | DE10065533B4 Gestängekupplung für Gestängeschüsse mit einem Medienkanal Linkage hitch rod sections with a media channel |
| 07/13/2006 | CA2593797A1 Downhole tool |
| 07/13/2006 | CA2593228A1 Threads with perturbations |
| 07/13/2006 | CA2593215A1 Pseudo two-step connection |
| 07/12/2006 | EP1678435A1 Guide tube for a flexible duct for transporting hydrocarbons |
| 07/12/2006 | EP1678408A2 Three in one combined power unit for nitrogen system, fluid system, and coiled tubing system |
| 07/12/2006 | EP1078190B1 Heavy weight drill pipe |
| 07/12/2006 | CN2795436Y Anti-drop safety joint |
| 07/11/2006 | US7075454 Power generation using batteries with reconfigurable discharge |
| 07/11/2006 | US7073601 Profiled encapsulation for use with instrumented expandable tubular completions |
| 07/11/2006 | US7073599 Monobore wellbore and method for completing same |
| 07/11/2006 | US7073597 Downhole draw down pump and method |
| 07/11/2006 | US7073593 Method of drilling and operating a subsea well |
| 07/06/2006 | WO2006045741A3 Drill string stabiliser |
| 07/06/2006 | US20060147273 Method |
| 07/06/2006 | US20060144623 Downhole tool |
| 07/06/2006 | US20060144622 Rotating control head radial seal protection and leak detection systems |
| 07/06/2006 | US20060144620 Wellbore consolidating tool for rotary drilling applications |
| 07/06/2006 | DE19918530B4 Kupplung zum Verbinden zweier Abschnitte eines Bohrgestänges Coupling for connecting two sections of a drill string |
| 07/05/2006 | EP1676975A2 Subsea riser disconnect and method |
| 07/05/2006 | EP1597454B1 Tool |
| 07/05/2006 | EP1381756B1 Method and device for drilling a hole and for securing an anchorage in a bore hole |
| 07/05/2006 | CN2793299Y Drawn driller |
| 07/05/2006 | CN2793298Y Special centering guide of screw pump |
| 07/05/2006 | CN2793297Y Rotary abrasive-resistant load decreaser of pumping rod |
| 07/05/2006 | CN2793296Y Welded and accentuated drilling rod |
| 07/05/2006 | CN2793295Y Eccentric two-way oil pipe anchor with fixed torque |
| 07/05/2006 | CN1798940A Threaded joint for steel pipes |
| 07/05/2006 | CN1796723A Hollow sucker rod prepared from composite material fiber |
| 07/04/2006 | US7071697 Centralizer including measurement means |
| 07/04/2006 | US7071696 Measurement device and support for use in a well |
| 07/04/2006 | US7070361 Apparatus and methods for providing VIV suppression to a riser system comprising umbilical elements |
| 07/04/2006 | US7069999 Apparatus and method for routing a transmission line through a downhole tool |
| 07/04/2006 | US7069958 Assembly and method for stiffening a flexible pipe |
| 07/04/2006 | CA2428479C Apparatus and methods for separating and joining tubulars in a wellbore |
| 06/29/2006 | WO2006067740A1 Preloaded tubular connector |
| 06/29/2006 | US20060140726 Riser installation vessel and method of using the same |
| 06/29/2006 | US20060137885 Sucker rod guide installer |
| 06/29/2006 | US20060137884 System, method and apparatus for securing control lines to a well pipe |
| 06/29/2006 | US20060137880 Subsea umbilical |
| 06/29/2006 | CA2591391A1 Preloaded tubular connector |
| 06/28/2006 | EP1558834A4 Methods and apparatus for a subsea tie back |
| 06/28/2006 | EP0916883B1 Screw joint for oil well pipe |
| 06/28/2006 | CN2791237Y Corrosion-resisting joint-hoop carbon-fiber righter |