| Patents for E21B 19 - Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables (17,198) |
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| 04/26/2005 | US6884003 Multi-cellular floating platform with central riser buoy |
| 04/26/2005 | CA2370196C Iron roughneck |
| 04/21/2005 | US20050082857 Load ring for lifting by elevator, of casing having no upset |
| 04/21/2005 | US20050082064 Hybrid coiled tubing/fluid pumping unit |
| 04/21/2005 | US20050082063 Methods and apparatus for severing nested strings of tubulars |
| 04/20/2005 | EP1354122A4 Collar load support system and method |
| 04/20/2005 | CN1608273A A coiled tubing inspection system using image pattern recognition |
| 04/19/2005 | US6880634 Coiled tubing acoustic telemetry system and method |
| 04/19/2005 | US6880630 Guide support for rig mounted continuous feed injection unit |
| 04/19/2005 | US6880453 Displacement device |
| 04/19/2005 | US6880430 Vise apparatus |
| 04/19/2005 | CA2263190C Positioning device |
| 04/14/2005 | WO2005033907A2 Activity data capture system for a well service vehicle |
| 04/14/2005 | WO2005033468A1 Method and device for impact loosening of thread joints |
| 04/14/2005 | WO2005033466A2 Portable drilling apparatus |
| 04/14/2005 | US20050079044 Multi-position height adjustment system for a pipe handling apparatus |
| 04/14/2005 | US20050077743 Tong assembly |
| 04/14/2005 | US20050077084 Make-up control system for tubulars |
| 04/14/2005 | US20050077049 Inline compensator for a floating drill rig |
| 04/14/2005 | US20050077039 Flush mounted spider |
| 04/14/2005 | US20050076744 Apparatus and methods for connecting tubulars |
| 04/14/2005 | CA2538920A1 Detection of impact loosening of thread joints |
| 04/13/2005 | EP1346127A4 Elevator apparatus and method for running well bore tubing |
| 04/13/2005 | EP0932745B1 Continuous circulation drilling method |
| 04/13/2005 | CN2692332Y Disk type pneumatic slip |
| 04/13/2005 | CN2692331Y Lifting clamp |
| 04/13/2005 | CN2692330Y Multirope hydraulic wire suspension device |
| 04/13/2005 | CN1606653A Rotary support table |
| 04/12/2005 | US6877942 Ramp trailer for oil field tubulars |
| 04/07/2005 | US20050074296 Hydro-pneumatic tensioner with stiffness altering secondary accumulator |
| 04/07/2005 | US20050072882 Method and a device for preventing pipeskidding |
| 04/07/2005 | US20050072587 Portable drilling apparatus |
| 04/07/2005 | US20050072274 Variable rack adjustment assembly for pipe spinning machines |
| 04/07/2005 | DE10341437A1 Drilling rig and handling system which transfers inner and outer pipe sections between a rotary magazine and a parking position |
| 04/06/2005 | EP1520082A1 Jacking frame for coiled tubing operations |
| 04/06/2005 | EP1121508B1 Drilling method |
| 04/06/2005 | CN2690569Y Automatic reset small pulley |
| 04/06/2005 | CN2690568Y Pneumatic slips for single suspension clip |
| 04/06/2005 | CN2690567Y Simple rope suspension device |
| 03/31/2005 | WO2005028808A1 Automatic false rotary |
| 03/31/2005 | WO2005028807A1 Method for pressurized mud cap and reverse circulation drilling from a floating drilling rig using a sealed marine riser |
| 03/31/2005 | WO2004074622A3 Protective compression and tension sleeves for threaded connections for radially expandable tubular members |
| 03/31/2005 | US20050067364 Assembly for the removal and replacement of huge and heavy components |
| 03/31/2005 | US20050067192 Apparatus and method for reducing required torque |
| 03/31/2005 | US20050067168 Method and apparatus for controlling the ascent and descent of pipe in a well bore |
| 03/30/2005 | CN2688871Y Reversed inserting hydraulic tail tube suspending device |
| 03/24/2005 | WO2005026492A2 Drillpipe spinner |
| 03/24/2005 | WO2005001235A8 Bottom tensioned offshore oil well production riser |
| 03/24/2005 | US20050061548 Apparatus for positioning and stabbing pipe in a drilling rig derrick |
| 03/24/2005 | US20050061546 Method for pressurized mud cap and reverse circulation drilling from a floating drilling rig using a sealed marine riser |
| 03/24/2005 | US20050061112 Adapter frame for a power frame |
| 03/23/2005 | EP1517000A1 Adapter frame for a power frame |
| 03/23/2005 | EP1226330A4 Horizontal drill pipe racker and delivery system |
| 03/23/2005 | CN2687310Y Hydraulic drill collar fork |
| 03/23/2005 | CN2687309Y Hydraulic drill collar |
| 03/22/2005 | US6869254 Riser tensioner sensor assembly |
| 03/22/2005 | US6869251 Marine buoy for offshore support |
| 03/22/2005 | US6868923 Portable apparatus and method for assisting in the removal and emplacement of pipe strings in boreholes |
| 03/22/2005 | US6868902 Multipurpose reeled tubing assembly |
| 03/22/2005 | CA2368877C Assembly for locking a polished rod in a pumping wellhead |
| 03/17/2005 | WO2005024172A1 Assembly of a balancing device and a tool such as a wrecking hammer or a drill |
| 03/17/2005 | WO2005024169A2 Automated arm for positioning of drilling tools such as an iron roughneck |
| 03/17/2005 | WO2004079147A9 Method and apparatus for drilling with casing |
| 03/17/2005 | US20050056434 Collapsible expansion cone |
| 03/17/2005 | US20050056433 Mono diameter wellbore casing |
| 03/17/2005 | US20050056420 Apparatus and method for visually detecting wear to insert bowls, bushings, and spiders |
| 03/17/2005 | US20050056122 Drillpipe spinner |
| 03/16/2005 | EP1011927B1 Low friction power tong jaw assembly |
| 03/16/2005 | CN2685541Y Special borehole ring plate for drilling well |
| 03/16/2005 | CN2685540Y Antitheft sucker rod elevator |
| 03/16/2005 | CN2685532Y Hydraulic lifting and lowering workover rig derrick |
| 03/10/2005 | WO2005021927A1 A drilling device with a telescopic arm |
| 03/10/2005 | US20050051343 Apparatus for facilitating the connection of tubulars using a top drive |
| 03/10/2005 | US20050051325 Casing alignment tool |
| 03/10/2005 | US20050051324 Drilling rig elevator safety system |
| 03/09/2005 | EP1204806B1 Floating support comprising a central cavity including a plurality of sections |
| 03/09/2005 | CN2683829Y Pneumatic chuck having self-sealing |
| 03/09/2005 | CN2683828Y Hydraulic-pneumatic tong overhung height adjusting device |
| 03/08/2005 | US6863137 Well system |
| 03/03/2005 | WO2005019596A1 Method and apparatus for adding a tubular to drill string with diverter |
| 03/03/2005 | US20050047884 Automated arm for positioning of drilling tools such as an iron roughneck |
| 03/03/2005 | CA2539039A1 Method and apparatus for adding a tubular to drill string with diverter |
| 03/02/2005 | EP1509672A1 Apparatuses and methods of deploying and installing subsea equipment |
| 03/02/2005 | EP1276663A4 System and method for riser recoil control |
| 03/02/2005 | CN2682197Y Hand protector for repairing pumping rod |
| 03/02/2005 | CN2682191Y Novel petroleum machinery casing power clamp |
| 03/02/2005 | CN2682190Y Polished rod sealer gland suspension device |
| 03/02/2005 | CN2682185Y Sliding type drill rod clamp for top driving drilling device |
| 03/01/2005 | US6860694 Horizontal pipe handling device |
| 03/01/2005 | US6860420 Method of joining metal oilfield tubulars and well provided therewith |
| 03/01/2005 | US6860343 Drill rod holder |
| 02/24/2005 | WO2005017306A1 Anti-collision system |
| 02/24/2005 | US20050039926 Tubing injector |
| 02/23/2005 | EP1169540B1 Arrangement in rock drilling apparatus |
| 02/23/2005 | EP0975853B1 Downhole coiled tubing recovery apparatus |
| 02/23/2005 | CN1585851A Non-seize material of drill stem clamp system |
| 02/23/2005 | CN1584280A Cabon-fibre continuous sucker rod operating vehicles |
| 02/22/2005 | US6857483 Drilling device and method for drilling a well |
| 02/22/2005 | CA2306306C Casing clamp |
| 02/22/2005 | CA2167491C Safeguarded method and apparatus for fluid communication using coiled tubing, with application to drill stem testing |