| Patents for E21B 33 - Sealing or packing boreholes or wells (33,564) |
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| 01/30/2007 | US7169739 Combining a cystosol ester compound with a non-aqueous fluid and particles to reduce sag in the resulting fluid composition, wherein the particles comprise barite, galena, hematite, dolomite, calcite, or combinations |
| 01/30/2007 | US7168499 Radial expansion of tubular members |
| 01/30/2007 | US7168497 Downhole sealing |
| 01/30/2007 | US7168495 Casing-engaging well tree isolation tool and method of use |
| 01/30/2007 | US7168494 Dissolvable downhole tools |
| 01/30/2007 | CA2449518C Bi-directional and internal pressure trapping packing element system |
| 01/25/2007 | WO2007010210A1 Methods for wellbore strengthening and controlling fluid circulation loss |
| 01/25/2007 | WO2007010196A1 Equalizer valve assembly |
| 01/25/2007 | WO2007009248A1 Wireline entry sub |
| 01/25/2007 | WO2007009247A1 A method for drilling and cementing a well |
| 01/25/2007 | WO2007009246A1 Wireline entry sub |
| 01/25/2007 | US20070017683 Reinforced open-hole zonal isolation packer |
| 01/25/2007 | US20070017676 Methods for wellbore strengthening and controlling fluid circulation loss |
| 01/25/2007 | US20070017675 Methods and Apparatus for Completing a Well |
| 01/25/2007 | US20070017669 Device and method of lining a wellbore |
| 01/25/2007 | DE19882406B4 Feststoff-stabilisierte Emulsion, ihre Verwendung zur Ölgewinnung und Verfahren zu ihrer Herstellung Solids-stabilized emulsion, their use for oil extraction and process for their preparation |
| 01/25/2007 | DE102004047387B4 Unterwasserhydraulikkupplung zur Verwendung mit Verteilerplatten Underwater hydraulic coupling for use with distributor plates |
| 01/25/2007 | DE102004003481B4 Meßeinrichtung und Bohrvorrichtung für Tiefbohrungen sowie Verfahren zur Messung relevanter Daten bei Tiefbohrungen Measuring device and drilling device for deep drilling and method for measuring relevant data in deep wells |
| 01/25/2007 | CA2853268A1 Wireline entry sub |
| 01/25/2007 | CA2849129A1 Wireline entry sub |
| 01/25/2007 | CA2615543A1 Wireline entry sub |
| 01/24/2007 | EP1745193A1 Blowout preventer and method for manipulating a ram block |
| 01/24/2007 | EP1664481B1 Drilling method |
| 01/24/2007 | CN2861475Y Connection support between single crank double-stroke pumping unit and well mouth |
| 01/24/2007 | CN2861471Y Diversion double-layer eccentric water distribution packer |
| 01/24/2007 | CN2861470Y Airtight power expansion packer |
| 01/24/2007 | CN2861469Y Packer with expansion guiding ring |
| 01/24/2007 | CN2861468Y Over-casing failure point fracturing packer |
| 01/24/2007 | CN2861467Y Seat device for level well packer |
| 01/24/2007 | CN2861466Y Downwell automatic plugging device for snubbing unit without digging and spraying |
| 01/24/2007 | CN2861465Y Explosion-proof two-way locking valve for bushing external casing packer |
| 01/24/2007 | CN2861464Y Multistage anti-theft high-pressure prevention oil well plugging device capable of discharging gas and liquid |
| 01/24/2007 | CN2861463Y Multipurpose wellhead flow assembly device |
| 01/24/2007 | CN2861462Y Polish rod packer of pumping unit |
| 01/24/2007 | CN1902375A Swelling layer inflatable |
| 01/24/2007 | CN1900475A Drilling/feed drill/withdrawing drill sealing device for high pressure water rock layer and grouting withdrawing drill method |
| 01/24/2007 | CN1296599C Well sealing device |
| 01/23/2007 | US7166160 poly(amide) retards the setting of the cement composition at temperatures above about 80 degrees F.; thickening and setting characteristics of cement composition are altered such that the time it takes the cement composition to set is delayed to permit the cement to be pumped into the desired zone |
| 01/23/2007 | US7165634 Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
| 01/23/2007 | US7165622 Packer with metal sealing element |
| 01/23/2007 | US7165620 Wellhead completion system having a horizontal control penetrator and method of using same |
| 01/23/2007 | US7165619 Subsea intervention system, method and components thereof |
| 01/23/2007 | US7165611 Single trip perforation/packing method |
| 01/23/2007 | US7165610 Removable seal |
| 01/23/2007 | US7165607 Resistive down hole heating tool |
| 01/23/2007 | CA2502399C Hydraulic fluid distribution system |
| 01/23/2007 | CA2454857C Y-body christmas tree for use with coil tubing |
| 01/18/2007 | WO2007008481A1 Hydrostatic-set open hole packer with electric, hydraulic and/or optical feed throughs |
| 01/18/2007 | WO2007008455A1 System and method for actuating wellbore tools |
| 01/18/2007 | WO2007008085A1 System and method for dynamic sealing around a drill stem |
| 01/18/2007 | WO2007006239A1 An extracting remaining oil method using horizontal wells to inject profile control agent for blocking water injection channel of oil reservoir |
| 01/18/2007 | WO2005047639A3 Subsea completion system and method of using same |
| 01/18/2007 | US20070012461 Packer tool arrangement with rotating lug |
| 01/18/2007 | US20070012460 Hydrostatic-set open hole packer with electric, hydraulic and/or optical feed throughs |
| 01/18/2007 | US20070012459 Downhole actuation method and apparatus for operating remote well control device |
| 01/18/2007 | US20070012458 Variable choke valve |
| 01/18/2007 | US20070012453 Optical sensor use in alternate path gravel packing with integral zonal isolation |
| 01/18/2007 | US20070012448 Equalizer valve assembly |
| 01/18/2007 | US20070012447 Inverse emulsion polymers as lost circulation material |
| 01/18/2007 | US20070012446 Earth loop installed with sonic apparatus |
| 01/18/2007 | US20070012444 Apparatus and method for reducing water production from a hydrocarbon producing well |
| 01/18/2007 | US20070012441 Apparatus and methods for improved fluid displacement in subterranean formations |
| 01/18/2007 | US20070012439 Cup tool for a high-pressure mandrel and method of using same |
| 01/18/2007 | US20070012438 Arrangement of test plug |
| 01/18/2007 | US20070012437 Inflatable packer |
| 01/18/2007 | US20070012436 Cable duct device in a swelling packer |
| 01/17/2007 | EP1743084A2 Deploying an assembly into a well |
| 01/17/2007 | EP1743083A1 Wellbore control device |
| 01/17/2007 | EP1743082A1 Loading cementing darts |
| 01/17/2007 | EP1664484B1 Device and method of lining a wellbore |
| 01/17/2007 | EP1554459B1 Well packer for a pipe string and a method of leading a line past the well packer |
| 01/17/2007 | CN2858937Y Pumping unit of oil well |
| 01/17/2007 | CN2858936Y Separate zone waterflooding well washing packer |
| 01/17/2007 | CN2858935Y Fire and high pressure resistant compressing packer |
| 01/17/2007 | CN2858934Y Sealer for mouth of oil extraction well |
| 01/17/2007 | CN2858933Y Well mouth pressure testing separation plug |
| 01/17/2007 | CN2858932Y Bivalve self-sealing well sealer |
| 01/17/2007 | CN2858931Y Anti-theft device for oil well |
| 01/17/2007 | CN1896454A 封隔器 Packer |
| 01/17/2007 | CN1295422C Edge water scheduling technique for oil field using edge water to displace oil |
| 01/17/2007 | CN1295421C Method for packing oil well and packer therefor |
| 01/17/2007 | CN1295115C Sealed steel ring grabber |
| 01/16/2007 | US7163066 Gravity valve for a downhole tool |
| 01/16/2007 | US7163064 Surface flow valve and method |
| 01/16/2007 | US7163055 Placing fiber optic sensor line |
| 01/16/2007 | US7163054 Breechblock connectors for use with oil field lines and oil field equipment |
| 01/16/2007 | CA2528161C Apparatus and method of manufacturing a frameless snubbing unit |
| 01/16/2007 | CA2370055C Well treatment fluid |
| 01/14/2007 | CA2552291A1 Methods and systems for monitoring pressure during jet grouting |
| 01/11/2007 | WO2007003138A1 A retrievable bridge plug |
| 01/11/2007 | WO2006044763A3 Subsea junction plate assembly running tool and method of installation |
| 01/11/2007 | US20070007012 Flow completion system |
| 01/11/2007 | US20070007011 Shoe for expandable liner system |
| 01/11/2007 | US20070007007 Method and apparatus for wellbore fluid treatment |
| 01/10/2007 | EP1740795A1 Multizone stimulation using wax balls |
| 01/10/2007 | EP1350003B8 Method of drilling and operating a subsea well |
| 01/10/2007 | EP1333963B1 Apparatus and methods for separating and joining tubulars in a wellbore |
| 01/10/2007 | CN2856401Y Tools for downhole of oil field |
| 01/10/2007 | CN2856400Y Heat insulation compensating thermometal packer |
| 01/10/2007 | CN2856399Y Main wellhead packer for branch well |