[특허]Multilateral sealing

[미국특허] Multilateral sealing 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E21B-043/14
출원번호	US-0897929 (1997-07-21)
우선권정보	GB-0015355 (1996-07-22)
발명자 / 주소	Forsyth David G.,GB6
출원인 / 주소	Baker Hughes Incorporated
대리인 / 주소	Fishman, Dionne, Cantor & Colburn
인용정보	피인용 횟수 : 53 인용 특허 : 8

초록 ▼

The invention comprises a casing tool having a lateral root premachined therein and plugged with cement. A wear bushing is also positioned within the entrance to the root from the uphole side of the tool to prevent distortion or even destruction of the root while the lateral is being drilled. Subsequent to the lateral being drilled the wear bushing is removed and a liner is run which is then sealed to the bore of the root with conventional sealing techniques, thus avoiding the need to seal oval holes.

대표청구항 ▼

[ What is claimed is:] [5.] A method of sealing junctions in a branched well system comprising:a) providing a casing segment having a primary bore extending therethrough and a secondary bore intersecting the primary bore and extending on an angle thereto, said secondary bore having a plug therein;b) positioning said segment in a predetermined location;c) running a diverter into said segment and into a predetermined position therein to divert a drillstring into said secondary bore;d) running a drillstring into said secondary bore;e) drilling out said plug and drilling a lateral borehole coaxially with said secondary bore;f) installing a liner in said secondary borehole and into said lateral borehole; andg) sealing said liner to said secondary bore.

이 특허에 인용된 특허 (8) 인용/피인용 타임라인 분석

Collins Gary J. (Richmond TX), Apparatus and process for drilling and completing multiple wells.
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Collins Gary J. (Richmond TX) Trahan Kevin O. (Houston TX) Baugh John Lindley (Houston TX), Assembly and process for drilling and completing multiple wells.
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Garrett William R. (Conroe TX), Drilling head.
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Gardes Robert (P.O. Box 92593 Lafayette LA 70509), Radial tie back assembly for directional drilling.
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Collins Gary J. (Richmond TX) Baugh John L. (Houston TX) Benker Wilhelm E. (Houston TX), Template and process for drilling and completing multiple wells.
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Gano ; John C., Well flow control system and method.
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Gano John C. (Carrollton TX), Well tubing hanger.
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Gano John C. (Carrollton TX), Well tubing head.
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이 특허를 인용한 특허 (53) 인용/피인용 타임라인 분석

Algeroy, John; Patel, Dinesh, Active integrated completion installation system and method.
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Patel, Dinesh; Ross, Donald W.; Veneruso, Anthony Frank; Cens, Fabien; Lovell, John R.; Mackay, Ian Stuart, Aligning inductive couplers in a well.
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McGlothen, Jody R.; Restarick, Henry L., Alternate path multilayer production/injection.
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Zimmerman, Patrick J.; Turley, Rocky A.; Oudat, Rami Al, Anchoring and sealing system for a downhole tool.
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Herve Ohmer, Apparatus and method for establishing branch wells from a parent well.
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Ohmer Herve, Apparatus and method for establishing branch wells from a parent well.
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Ohmer Herve', Apparatus and method for establishing branch wells from a parent well.
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Nobileau,Philippe C., Apparatus and method for installing a branch junction from a main well.
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Ohmer Herve, Apparatus for establishing branch wells from a parent well.
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Hirth, David E.; Pedersen, Gerald D.; Gudmestad, Tarald, Bi-directionally boosting and internal pressure trapping packing element system.
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Hirth,David E.; Pedersen,Gerald D.; Gudmestad,Tarald, Bi-directionally boosting and internal pressure trapping packing element system.
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Parlin, Joseph D.; Dancer, William W.; McGlothen, Jody R., Casing exit joint with easily milled, low density barrier.
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Patel, Dinesh R.; Ross, Donald W., Communicating electrical energy with an electrical device in a well.
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Deville, Benoit; Faur, Marian; Martinez, Charley, Communicating power and data to a component in a well.
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L. Cameron White ; David M. Haugen ; Erik P. Eriksen CA, Core-containing sealing assembly.
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Parlin, Joseph D., Cutting windows for lateral wellbore drilling.
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Stephenson, David J., Expandable connection for use with a swelling elastomer.
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Whanger, Ken; Vicic, John; Cuffe, Christopher; Plucheck, Clayton; Maguire, Patrick G., Expandable sealing apparatus.
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Whanger,Ken; Vicic,John; Cuffe,Christopher; Plucheck,Clayton; Maguire,Patrick G., Expandable sealing apparatus.
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Garcia, Jose F.; Mickelburgh, Ian; Fould, Jeremie; Bissonnette, Steve, Gravel pack completions in lateral wellbores of oil and gas wells.
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Luke, Mike A., High expansion packer.
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Nistor Radu Nicolae,CAX, High torque pressure sleeve for easily drillable casing exit ports.
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Brockman, Mark W.; Ohmer, Herve; Malone, David L., Inductively coupled method and apparatus of communicating with wellbore equipment.
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Nobileau Philippe,FRX, Lateral branch junction for well casing.
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Charles H. Dewey, Lateral well tie-back method and apparatus.
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Sponchia, Barton; Rayne, Lance M.; De Oliveira, Thales; Algeroy, John; Rea, Michael William, Lateral wellbore completion apparatus and method.
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Patel, Dinesh R.; Ross, Donald W., Measuring a characteristic of a well proximate a region to be gravel packed.
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Alan MacKenzie GB; Sebastian J. Wolters OM; Douglas J. Murray, Method and apparatus for completing a wellbore.
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MacKenzie, Alan; Wolters, Sebastian J.; Murray, Douglas J., Method and apparatus for completing a wellbore.
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Dana R. Dale, Method of casing multilateral wells and associated apparatus.
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Restarick,Henry L.; McGlothen,Jody R., Multilateral completion system utilizing an alternate passage.
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Docherty, Euan, Multilateral expandable seal.
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Restarick, Henry L.; McGlothen, Jody R., Multilateral injection/production/storage completion system.
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Steele, David Joe; Hepburn, Neil; Telfer, Stuart Alexander, Multilateral junction with wellbore isolation.
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Stephen Richard Braithwaite CA; Wilhelmus Hubertus Paulus Maria Heijnen DE; Robert Nicholas Worrall NL, Multilateral wellbore system.
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Hearn, David D.; Gantt, Lamar L.; Venhaus, Dan E.; Eller, John G., Permanent bypass whipstock assembly for drilling and completing a sidetrack well and preserving access to the original wellbore.
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Hearn, David G.; Gantt, Lamar L.; Venhaus, Dan E.; Eller, John G., Permanent bypass whipstock assembly for drilling and completing a sidetrack well and preserving access to the original wellbore.
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Collins,Gary J.; Baugh,John Lindley; Murray,Doug J.; Mills,Aubrey Clifton, Process for pressure stimulating a well bore through a template.
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Parlin, Joseph DeWitt; Dahl, Espen, Protection of casing lowside while milling casing exit.
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Algeroy, John; Deville, Benoit; Dyer, Stephen; Patel, Dinesh, Providing coupler portions along a structure.
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Dyer, Stephen; Algeroy, John; Faur, Marian; Gurpinar, Omer, Providing equipment in lateral branches of a well.
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Whanger, James K.; Harrall, Simon J., Reinforced swelling elastomer seal element on expandable tubular.
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Aldaz,Walter; Duggan,Andrew Michael; Whanger,James Kennon; Simpson,Neil Andrew Abercrombie; Harrall,Simon John; Oliver,James, Seal.
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Whanger,James K.; Oliver,James, Self sealing expandable inflatable packers.
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Lovell, John R., Structures having cavities containing coupler portions.
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Restarick, Henry L.; McGlothen, Jody R., Surface controlled subsurface lateral branch safety valve.
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Restarick,Henry L.; McGlothen,Jody R., Surface controlled subsurface lateral branch safety valve.
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Restarick,Henry L.; McGlothen,Jody R., Surface controlled subsurface lateral branch safety valve.
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Graham, Stephen A.; Woodard, Philip W.; Shelley, Robert F.; Surjaatmadja, Jim B., System and methods for constructing and fracture stimulating multiple ultra-short radius laterals from a parent well.
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Araque,Carlos; Whitsitt,John R.; Prado,Martin; Neves,Robert Scott; Cano,Christine L., System and technique for orienting and positioning a lateral string in a multilateral system.
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Freiheit, Roland R.; Wilkin, James F., Two-stage downhole packer.
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Roberts John D. ; Drechsler Jan,NOX ; Salversen Tom,NOX ; Unsgaard Tom,NOX ; Enerstvedt Eirik,NOX ; Blizzard ; Jr. William A. ; Langford Dale E. ; Carter Thurman B., Wellbore primary barrier and related systems.
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Brooks Robert T., Window assembly for multiple wellbore completions.
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[미국특허] Multilateral sealing 원문보기