Suche Bilder Maps Play YouTube News Gmail Drive Mehr »
Erweiterte Patentsuche | Webprotokoll | Anmelden

Patente

Referenziert von

Zitiert von PatentEingetragenAusgestelltUrsprünglich Bevollmächtigter Titel
US42692772. Juli 197926. Mai 1981Brown Oil Tools, Inc.Power slip assembly
US44237743. Juni 19813. Jan. 1984Method and apparatus for positioning a safety valve sub for connection in a threaded tubular member
US44495963. Aug. 198222. Mai 1984Varco International, Inc.Drilling of wells with top drive unit
US44897942. Mai 198325. Dez. 1984Varco International, Inc.Link tilting mechanism for well rigs
US453585227. Dez. 198320. Aug. 1985Varco International, Inc.Drill string valve actuator
US457070615. März 198318. Febr. 1986Alsthom-AtlantiqueDevice for handling rods for oil-well drilling
US465530212. Sept. 19857. Apr. 1987Hughes Tool CompanyRotating coupling
US46589156. Dez. 198521. Apr. 1987Vetco Gray Inc.Easy break-out tool joint and method
US466063419. Juni 198528. Apr. 1987North Houston Machine, Inc.Automatic drill pipe breakout
US466775212. Juni 198626. Mai 1987Hughes Tool CompanyTop head drive well drilling apparatus with stabbing guide
US471562510. Okt. 198529. Dez. 1987Premiere Casing Services, Inc.Layered pipe slips
US478135923. Sept. 19871. Nov. 1988National-OilwellSub assembly for a swivel
US479342216. März 198827. Dez. 1988Hughes Tool Company - USAArticulated elevator links for top drive drill rig
US480096822. Sept. 198731. Jan. 1989Triten CorporationWell apparatus with tubular elevator tilt and indexing apparatus and methods of their use
US483012112. Mai 198816. Mai 1989Vetco Gray Inc.Break-out joint with selective disabler
US503692719. Sept. 19906. Aug. 1991W-N Apache CorporationApparatus for gripping a down hole tubular for rotation
US505069110. Okt. 198924. Sept. 1991Varco International, Inc.Detachable torque transmitting tool joint
US525170931. März 199212. Okt. 1993Drilling rig
US526762129. Okt. 19927. Dez. 1993The Charles Machine Works, Inc.Drill pipe breakout device
US529783325. Febr. 199329. März 1994W-N Apache CorporationApparatus for gripping a down hole tubular for support and rotation
US538186724. März 199417. Jan. 1995Bowen Tools, Inc.Top drive torque track and method of installing same
US538865120. Apr. 199314. Febr. 1995Bowen Tools, Inc.Top drive unit torque break-out system
US54681218. Febr. 199421. Nov. 1995Apparatus and method for positioning drill pipe in a mousehole
US550128630. Sept. 199426. März 1996Bowen Tools, Inc.Method and apparatus for displacing a top drive torque track
US554471218. Nov. 199413. Aug. 1996The Charles Machine Works, Inc.Drill pipe breakout device
US65274938. Jan. 20014. März 2003Varco I/P, Inc.Handling of tube sections in a rig for subsoil drilling
US692092616. Jan. 200426. Juli 2005Canrig Drilling Technology, Ltd.Top drive well casing system
US69387093. Juli 20026. Sept. 2005Varco International, Inc.Pipe running tool
US707359823. Juli 200311. Juli 2006Weatherford/Lamb, Inc.Apparatus and methods for tubular makeup interlock
US708300531. Mai 20051. Aug. 2006Weatherford/Lamb, Inc.Apparatus and method of drilling with casing
US709002116. März 200415. Aug. 2006Apparatus for connecting tublars using a top drive
US70900239. Mai 200515. Aug. 2006Weatherford/Lamb, Inc.Apparatus and methods for drilling with casing
US70936751. Aug. 200122. Aug. 2006Weatherford/Lamb, Inc.Drilling method
US709697720. Jan. 200529. Aug. 2006Varco I/P, Inc.Pipe running tool
US710071018. Dez. 20035. Sept. 2006Weatherford/Lamb, Inc.Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US710808424. Dez. 200319. Sept. 2006Weatherford/Lamb, Inc.Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US711795725. Mai 200410. Okt. 2006Weatherford/Lamb, Inc.Methods for drilling and lining a wellbore
US712815429. Jan. 200431. Okt. 2006Weatherford/Lamb, Inc.Single-direction cementing plug
US712816120. Sept. 200531. Okt. 2006Weatherford/Lamb, Inc.Apparatus and methods for facilitating the connection of tubulars using a top drive
US713150522. Febr. 20057. Nov. 2006Weatherford/Lamb, Inc.Drilling with concentric strings of casing
US713745413. Mai 200521. Nov. 2006Weatherford/Lamb, Inc.Apparatus for facilitating the connection of tubulars using a top drive
US714044310. Nov. 200328. Nov. 2006Tesco CorporationPipe handling device, method and system
US71404455. März 200428. Nov. 2006Weatherford/Lamb, Inc.Method and apparatus for drilling with casing
US71470685. Dez. 200312. Dez. 2006Weatherford / Lamb, Inc.Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US714725416. Okt. 200112. Dez. 2006Weatherford/Lamb, Inc.Coupling apparatus
US71656342. Okt. 200323. Jan. 2007Weatherford/Lamb, Inc.Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US718868727. Juli 200413. März 2007Weatherford/Lamb, Inc.Downhole filter
US71918405. März 200420. März 2007Weatherford/Lamb, Inc.Casing running and drilling system
US721365626. Apr. 20048. Mai 2007Weatherford/Lamb, Inc.Apparatus and method for facilitating the connection of tubulars using a top drive
US721672721. Dez. 200015. Mai 2007Weatherford/Lamb, Inc.Drilling bit for drilling while running casing
US721974429. Nov. 200522. Mai 2007Weatherford/Lamb, Inc.Method and apparatus for connecting tubulars using a top drive
US72289011. Dez. 200512. Juni 2007Weatherford/Lamb, Inc.Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US72640671. Okt. 20044. Sept. 2007Weatherford/Lamb, Inc.Method of drilling and completing multiple wellbores inside a single caisson
US728158730. März 200616. Okt. 2007Weatherford/Lamb, Inc.Apparatus and methods for tubular makeup interlock
US728461720. Mai 200423. Okt. 2007Weatherford/Lamb, Inc.Casing running head
US730302227. Apr. 20044. Dez. 2007Weatherford/Lamb, Inc.Wired casing
US73111489. Febr. 200425. Dez. 2007Weatherford/Lamb, Inc.Methods and apparatus for wellbore construction and completion
US73256105. März 20045. Febr. 2008Weatherford/Lamb, Inc.Methods and apparatus for handling and drilling with tubulars or casing
US73346502. Febr. 200426. Febr. 2008Weatherford/Lamb, Inc.Apparatus and methods for drilling a wellbore using casing
US735388015. Nov. 20068. Apr. 2008Weatherford/Lamb, Inc.Method and apparatus for connecting tubulars using a top drive
US73605945. März 200422. Apr. 2008Weatherford/Lamb, Inc.Drilling with casing latch
US73707075. Apr. 200413. Mai 2008Weatherford/Lamb, Inc.Method and apparatus for handling wellbore tubulars
US737732414. Aug. 200627. Mai 2008Tesco CorporationPipe handling device, method and system
US738407712. Dez. 200610. Juni 2008Weatherford/Lamb, Inc.Coupling apparatus
US74130205. März 200419. Aug. 2008Weatherford/Lamb, Inc.Full bore lined wellbores
US74484561. Febr. 200611. Nov. 2008Weatherford/Lamb, Inc.Adjustable rotating guides for spider or elevator
US745182615. Aug. 200618. Nov. 2008Weatherford/Lamb, Inc.Apparatus for connecting tubulars using a top drive
US750339729. Juli 200517. März 2009Weatherford/Lamb, Inc.Apparatus and methods of setting and retrieving casing with drilling latch and bottom hole assembly
US75097225. März 200331. März 2009Weatherford/Lamb, Inc.Positioning and spinning device
US751000624. Juni 200531. März 2009Varco I/P, Inc.Pipe running tool having a cement path
US751330020. März 20077. Apr. 2009Weatherford/Lamb, Inc.Casing running and drilling system
US759130424. Juni 200522. Sept. 2009Varco I/P, Inc.Pipe running tool having wireless telemetry
US76178668. Sept. 200517. Nov. 2009Weatherford/Lamb, Inc.Methods and apparatus for connecting tubulars using a top drive
US765094411. Juli 200326. Jan. 2010Weatherford/Lamb, Inc.Vessel for well intervention
US76543138. Febr. 20072. Febr. 2010Tesco CorporationMethod and assembly for casing handling using a kelly rig
US765432531. Okt. 20072. Febr. 2010Weatherford/Lamb, Inc.Methods and apparatus for handling and drilling with tubulars or casing
US766553115. Nov. 200623. Febr. 2010Weatherford/Lamb, Inc.Apparatus for facilitating the connection of tubulars using a top drive
US766966220. Juli 20052. März 2010Weatherford/Lamb, Inc.Casing feeder
US76736759. Mai 20069. März 2010Tesco CorporationPipe handling device and safety mechanism
US769474412. Jan. 200613. Apr. 2010Weatherford/Lamb, Inc.One-position fill-up and circulating tool and method
US769912124. Juni 200520. Apr. 2010Varco I/P, Inc.Pipe running tool having a primary load path
US771252314. März 200311. Mai 2010Weatherford/Lamb, Inc.Top drive casing system
US775313824. Juni 200513. Juli 2010Varco I/P, Inc.Pipe running tool having internal gripper
US775775927. Apr. 200720. Juli 2010Weatherford/Lamb, Inc.Torque sub for use with top drive
US77580879. Juni 200820. Juli 2010Weatherford/Lamb, Inc.Coupling apparatus
US776234316. Aug. 200427. Juli 2010Varco I/P, Inc.Apparatus and method for handling pipe
US777065423. Mai 200810. Aug. 2010Tesco CorporationPipe handling device, method and system
US779371931. Okt. 200714. Sept. 2010Weatherford/Lamb, Inc.Top drive casing system
US784541818. Jan. 20067. Dez. 2010Weatherford/Lamb, Inc.Top drive torque booster
US787435212. Dez. 200625. Jan. 2011Weatherford/Lamb, Inc.Apparatus for gripping a tubular on a drilling rig
US788290215. Nov. 20078. Febr. 2011Weatherford/Lamb, Inc.Top drive interlock
US789608415. Okt. 20071. März 2011Weatherford/Lamb, Inc.Apparatus and methods for tubular makeup interlock
US791827323. Jan. 20035. Apr. 2011Weatherford/Lamb, Inc.Top drive casing system
US80379326. Jan. 201018. Okt. 2011Tesco CorporationPipe handling device and safety mechanism
US803794916. Apr. 201018. Okt. 2011Varco I/P, Inc.Pipe running tool
US814192319. Jan. 200727. März 2012Frank's Casing Crew and Rental Tools, Inc.Single joint elevator having deployable jaws
US821026812. Dez. 20083. Juli 2012Weatherford/Lamb, Inc.Top drive system
US82309331. Apr. 201131. Juli 2012Weatherford/Lamb, Inc.Top drive casing system
US824037215. Apr. 201014. Aug. 2012Premiere, Inc.Fluid power conducting swivel
US82403919. Mai 200714. Aug. 2012Frank's Casing Crew and Rental Tools, Inc.Single joint elevator with gripping jaws and method of hoisting a tubular member
USRE428779. Juli 20101. Nov. 2011Weatherford/Lamb, Inc.Methods and apparatus for wellbore construction and completion