| Patents for E21B 33 - Sealing or packing boreholes or wells (33,564) |
|---|
| 04/14/2005 | WO2005033470A1 Model hccv hydrostatic closed circulation valve |
| 04/14/2005 | US20050080176 Subterranean wells; aqueous solution; well completion |
| 04/14/2005 | US20050077053 Retrievable packer assembly and system with releasable body lock ring |
| 04/14/2005 | US20050077051 Radial expansion of tubular members |
| 04/14/2005 | US20050077046 Apparatus and methods for separating and joining tubulars in a wellbore |
| 04/14/2005 | US20050077043 Well stimulation tool an method for inserting a backpressure plug through a mandrel of the tool |
| 04/14/2005 | US20050077040 Water pressure system with pressure tank installed within well casing of well |
| 04/13/2005 | EP1522921A1 Method and apparatus for dynamic application management in sub-sea well installations |
| 04/13/2005 | EP1412610A4 Clamping well casings |
| 04/13/2005 | EP0932745B1 Continuous circulation drilling method |
| 04/13/2005 | CN2692341Y Oil well blow out prevention valve |
| 04/13/2005 | CN2692340Y Hydraulic bicylinder ancher less packer |
| 04/13/2005 | CN2692339Y Packer capable of checking sealing |
| 04/13/2005 | CN2692338Y New type hot washing packer |
| 04/13/2005 | CN2692337Y Screw pump polish rod sealing apparatus |
| 04/13/2005 | CN2692336Y Sealed type packing box |
| 04/13/2005 | CN1605710A Multifunctional pumping rod sealer |
| 04/12/2005 | US6877712 Method of sealing pressure within a blowout preventer and a blowout preventer |
| 04/12/2005 | US6877571 Down hole drilling assembly with independent jet pump |
| 04/12/2005 | US6877565 Arrangement for the removal of cuttings and gas arising from drilling operations |
| 04/12/2005 | CA2382904C Wellhead production pumping tree with access port |
| 04/12/2005 | CA2120485C Method and apparatus for sealing the juncture between a vertical and horizontal well |
| 04/07/2005 | WO2005031221A2 Hydraulic friction fluid heater and method of using same |
| 04/07/2005 | WO2005031205A2 Radial penetrator assembly and method |
| 04/07/2005 | WO2005031115A1 Expandable wellbore assembly |
| 04/07/2005 | WO2005031114A1 Oil-well cement slurry |
| 04/07/2005 | WO2005031113A1 Fluid inflatable packer |
| 04/07/2005 | WO2005031112A1 System and method of production enhancement and completion of a well |
| 04/07/2005 | WO2005031111A1 Zonal isolation using elastic memory foam |
| 04/07/2005 | WO2005031110A1 Assembly for connecting a jumper to a subsea structure |
| 04/07/2005 | WO2005030672A2 Cement compositions comprising strength-enhancing lost circulation materials and methods of cementing in subterranean formations |
| 04/07/2005 | US20050075013 Subsea well electrical connector |
| 04/07/2005 | US20050072599 Zeolite-containing remedial compositions |
| 04/07/2005 | US20050072579 Well packer having an energized sealing element and associated method |
| 04/07/2005 | US20050072575 Model HCCV hydrostatic closed circulation valve |
| 04/07/2005 | US20050072573 Undersea hydraulic coupling for use with manifold plates |
| 04/07/2005 | US20050072566 Blowout preventer packing element with non-metallic composite inserts |
| 04/06/2005 | EP1305501A4 Method for treating multiple wellbore intervals |
| 04/06/2005 | EP1121508B1 Drilling method |
| 04/06/2005 | CN2690586Y Under balance under well casing valve |
| 04/06/2005 | CN2690585Y Two purpose injection type drillable bridge plug |
| 04/06/2005 | CN2690584Y Composite well window expansion casing seal device |
| 04/06/2005 | CN2690583Y Under balance well completion packer |
| 04/06/2005 | CN2690582Y Under balance underwell well sealing device |
| 04/06/2005 | CN2690581Y Under well operation clips packer |
| 04/06/2005 | CN2690580Y Outflow pressure leaking type sand-proof holder packer |
| 04/06/2005 | CN2690579Y Wedge type packer |
| 04/06/2005 | CN2690578Y Anti-theft wellhead cap |
| 04/06/2005 | CN2690577Y Cipher rotary tube type wellhead thread anti-theft device |
| 04/06/2005 | CN2690576Y Anti-pollution wellhead device for water source well |
| 04/06/2005 | CN2690575Y Automatic anti-blowing anti-theft wellhead device |
| 04/06/2005 | CN2690558Y Fracturing string with sand washing pen pin |
| 04/05/2005 | US6875196 Vestibular irrigator test system (VITS) |
| 03/31/2005 | WO2005028804A2 Compact mid-grip fastener |
| 03/31/2005 | US20050070150 Assembly for connecting a jumper to a subsea structure |
| 03/31/2005 | US20050069691 Slip element for use with a downhole tool and a method of manufacturing same |
| 03/31/2005 | US20050067794 Thermoplastic seal and method |
| 03/31/2005 | US20050067170 Zonal isolation using elastic memory foam |
| 03/31/2005 | US20050067167 Radial penetrator assembly and method |
| 03/31/2005 | US20050067162 Method for pressure-and flow-preventive fixing of pipes in a well |
| 03/30/2005 | EP1519004A1 Method of wiping the inner surface of a tubular member, and a plug for use in said method |
| 03/30/2005 | EP1519003A1 Removable seal |
| 03/30/2005 | EP1519002A1 BOP and separator combination |
| 03/30/2005 | EP1518595A1 Subsea well production flow and separation system |
| 03/30/2005 | EP1518037A1 Methods of sealing expandable pipe in well bores and sealing compositions |
| 03/30/2005 | CN2688882Y Blowout preventive valve on oil extracting well top |
| 03/30/2005 | CN2688881Y Internal pressure normally opening sliding valve under oil extracting well |
| 03/30/2005 | CN2688880Y Thermal oil extracting packers |
| 03/30/2005 | CN2688879Y Top connector for double tube for filling and producing |
| 03/30/2005 | CN2688878Y Improved top sealer structure of polish rod |
| 03/30/2005 | CN2688877Y Thermal oil extracting apparatus on well top |
| 03/30/2005 | CN2688876Y Well top sealer of oil sucker |
| 03/30/2005 | CN2688875Y Top oil collector for preventing pollution when repairing well |
| 03/30/2005 | CN2688873Y High-strength boxed stainless steel netting filter of well top |
| 03/30/2005 | CN1195148C Multiple well interactive autobalance integral intelligent oil pumping unit |
| 03/30/2005 | CA2481762A1 Thermoplastic seal and method |
| 03/29/2005 | US6871708 Cuttings injection and annulus remediation systems for wellheads |
| 03/29/2005 | US6871704 Well shut off device |
| 03/29/2005 | CA2290277C Swivel chamber for water actuated wireline drills |
| 03/24/2005 | WO2005026775A1 Closed-loop downhole resonant source |
| 03/24/2005 | WO2005005764A3 Spiral tubular tool and method |
| 03/24/2005 | WO2004104560A3 Formation-based interpretation of nmr data for carbonate reservoirs |
| 03/24/2005 | WO2004083593A3 Radial expansion and milling of expandable tubulars |
| 03/24/2005 | WO2004070159A3 Apparatus and methods for drilling a wellbore using casing |
| 03/24/2005 | WO2004067883B1 Control pod latchdown mechanism |
| 03/24/2005 | WO2004027201A3 Annular isolators for expandable tubulars in wellbores |
| 03/24/2005 | WO2004020776A3 Well treatment apparatus and method |
| 03/24/2005 | US20050062235 Annular seal |
| 03/24/2005 | US20050061520 Fluid inflatabe packer and method |
| 03/24/2005 | US20050061515 Subsea well production flow system |
| 03/24/2005 | US20050061514 Well drilling and completions system |
| 03/24/2005 | US20050061512 Hydraulic friction fluid heater and method of using same |
| 03/24/2005 | US20050061509 Methods for prodcing fluids from acidized and consolidated portions of subterranean formations |
| 03/24/2005 | US20050061508 System and method of production enhancement and completion of a well |
| 03/24/2005 | US20050061505 Cement compositions comprising strength-enhancing lost circulation materials and methods of cementing in subterranean formations |
| 03/24/2005 | US20050061499 Removable seal |
| 03/24/2005 | CA2535887A1 Closed-loop downhole resonant source |
| 03/23/2005 | EP1228290A4 Drilling formation tester, apparatus and methods of testing and monitoring status of tester |
| 03/23/2005 | EP0840834B1 Apparatus and process for drilling and completing multiple wells |
| 03/23/2005 | CN2687335Y Dual-packing-cup hanging flow-measuring sealing section |