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

Patente

Referenziert von

Zitiert von PatentEingetragenAusgestelltUrsprünglich Bevollmächtigter Titel
US398781630. Dez. 197526. Okt. 1976Hooker Chemicals & Plastics CorporationEntrance duct with weir
US434011615. Sept. 198020. Juli 1982Dresser Industries, Inc.Slip deployment mechanism
US44973674. Febr. 19835. Febr. 1985Liner hanger
US693869716. März 20046. Sept. 2005Weatherford/Lamb, Inc.Apparatus and methods for tubular makeup interlock
US69941765. März 20047. Febr. 2006Weatherford/Lamb, Inc.Adjustable rotating guides for spider or elevator
US700426414. März 200328. Febr. 2006Weatherford/Lamb, Inc.Bore lining and drilling
US701399715. Dez. 200321. März 2006Weatherford/Lamb, Inc.Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US70366106. Juli 20022. Mai 2006Weatherford / Lamb, Inc.Apparatus and method for completing oil and gas wells
US704042019. Nov. 20039. Mai 2006Weatherford/Lamb, Inc.Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
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
US709698227. Febr. 200429. Aug. 2006Weatherford/Lamb, Inc.Drill shoe
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
US71007132. Apr. 20015. Sept. 2006Weatherford/Lamb, Inc.Expandable apparatus for drift and reaming borehole
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
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
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
US72345429. Febr. 200626. Juni 2007Weatherford/Lamb, Inc.Methods 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
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
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
US74130205. März 200419. Aug. 2008Weatherford/Lamb, Inc.Full bore lined wellbores
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
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
US771252314. März 200311. Mai 2010Weatherford/Lamb, Inc.Top drive casing system
US773096530. Jan. 20068. Juni 2010Weatherford/Lamb, Inc.
Shell Oil Company
Retractable joint and cementing shoe for use in completing a wellbore
US785705211. Mai 200728. Dez. 2010Weatherford/Lamb, Inc.Stage cementing methods used in casing while drilling
US793820128. Febr. 200610. Mai 2011Weatherford/Lamb, Inc.Deep water drilling with casing
USRE428779. Juli 20101. Nov. 2011Weatherford/Lamb, Inc.Methods and apparatus for wellbore construction and completion