[특허]Magnetized casing string tubulars

Magnetized casing string tubulars 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01F-007/20 H01F-013/00 B65B-035/50 B65G-057/00 B65H-029/00
출원번호	UP-0422355 (2009-04-13)
등록번호	US-7679481 (2010-04-21)
발명자 / 주소	Stenerson, Kenneth Ceh, Leon McElhinney, Graham A.
출원인 / 주소	Smith International, Inc.
인용정보	피인용 횟수 : 0 인용 특허 : 34

초록 ▼

A stack of magnetized casing tubulars includes a plurality of magnetized wellbore tubulars each of which includes a plurality of north and south magnetic poles imparted to a corresponding plurality of longitudinal positions along the tubulars. The plurality of wellbore tubulars are arranged into a stack having at least two rows and at least two columns, the wellbore tubulars are stacked side by side and atop one another such that the magnetic poles on one tubular are radially aligned with magnetic poles of an opposite polarity on adjacent tubulars. Such a configuration advantageously substantially eliminates weakening of the imparted magnetic field due to interaction of the magnetic poles on adjacent tubulars.

대표청구항 ▼

We claim: 1. A stack of magnetized casing tubulars, the stack comprising: a plurality of magnetized wellbore tubulars, each of the magnetized wellbore tubulars including a plurality of north and south magnetic poles imparted to a corresponding plurality of longitudinal positions along the tubulars, the magnetic poles imparted to substantially the same longitudinal positions on each of the tubulars; and the plurality of wellbore tubulars arranged into a stack having at least two rows and at least two columns, the wellbore tubulars stacked side by side and atop one another such that the magnetic poles on one tubular are radially aligned with magnetic poles of an opposite polarity on adjacent tubulars wherein the wellbore tubulars are arranged in a substantially rectangular grid with each interior wellbore tubular having four nearest neighbors. 2. The stack of claim 1, wherein each of the magnetized wellbore tubulars comprises at least one pair of opposing magnetic poles. 3. The stack of claim 1, comprising at least 20 wellbore tubulars. 4. A method for stacking magnetized wellbore tubulars, the method comprising: (a) receiving a plurality of magnetized wellbore tubulars, each of the magnetized wellbore tubulars including a plurality of north and south magnetic poles imparted thereto, the magnetic poles imparted to substantially the same longitudinal positions on each of the tubulars; and (b) arranging the wellbore tubulars in a stack having at least two rows and at least two columns, the wellbore tubulars stacked side by side and atop one another such that the magnetic poles on one tubular are radially aligned with magnetic poles of an opposite polarity on adjacent tubulars wherein the wellbore tubulars are arranged in a substantially rectangular grid with each interior wellbore tubular having four nearest neighbors. 5. The method of claim 4, wherein each of the magnetized wellbore tubulars comprises at least one pair of opposing magnetic poles. 6. The method of claim 4, wherein the wellbore tubulars are stacked in (b) on a truck bed and the method further comprises: (c) transporting said stack of magnetized wellbore tubulars to a drilling site.

이 특허에 인용된 특허 (34)

Helfrick Albert (Boonton NJ), Apparatus and method for degaussing magnetic storage media.
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Lee J. Kelly (Rochester NY) Reznik Svetlana (Rochester NY) Furlani Edward P. (Lancaster NY), Apparatus and system for magnetization of permanent magnet cylinder elements.
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Huang Der-Ray (Hsinchu TWX) Fang Wen-Ling (Hsinchu TWX), Apparatus for magnetizing a magnetic roller.
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Hertzog Arthur A. (Whitehall PA), Clamp-on magnetic water treatment device.
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Holsinger Ronald F. (Carlisle MA) Gluckstern Robert L. (Rockville MD) Fisher John C. (Carpinteria CA), Cylindrical NMR bias magnet apparatus employing permanent magnets and methods therefor.
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Littwin Kenneth M. (Chicago IL) Armond Joseph A. (River Grove IL) Patrick Fred (Chicago IL), Degausser/demagnetizer.
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Bell James F., Focused magnetization device.
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Vinegar,Harold J.; Harris,Christopher Kelvin; Hartmann,Robin Adrianus; Pratt,Christopher Arnold; Lepper,Gordon Bruce; Wagner,Randolph Rogers, Forming openings in a hydrocarbon containing formation using magnetic tracking.
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Kuckes Arthur F. (Ithaca NY), Guidance system for drilling boreholes.
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Decristofaro, Nicholas J.; Fish, Gordon E., High performance bulk metal magnetic component.
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McElhinney Graham (Inverurle GBX), Location determination using vector measurements.
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Miller Craig, Magnet set forming and aligning apparatus and method.
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Josephson Joseph Pollack (Montreal CA), Magnetic boards and components.
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Leupold Herbert A. (Eatontown NJ), Magnetic cladding for use in periodic permanent magnet stacks.
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Wendt, Matthias; Elferich, Reinhold, Magnetic position sensor for measuring linear displacement.
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Blume ; Jr. Walter S. (Ocala FL), Magnetization of permanent magnet strip materials.
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Srail Raymond C. (Parma OH) Glover Richard A. (Brookpark OH) Szczepanski Thomas R. (North Royalton OH) Weissman Eric M. (Chagrin Falls OH) Kunig Frederic W. (Akron OH), Magnetized material having enhanced magnetic pull strength and process and apparatus for the multipolor magnetization of.
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Novikov Alexei E. (Minsk SUX), Magnetizing device for recording flaw fields in the process of magnetographic inspection.
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Kuckes Arthur F. (Ithaca NY), Measurement of vector components of static field perturbations for borehole location.
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Zhou Peter Y. (Ronkonkoma NY) Solaski Thomas P. (Hicksville NY) Pang Dexing (Levittown NY), Method and apparatus for deactivating magnetic targets.
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La Croix Mark E. (New Hartford CT), Method and apparatus for forming magnetized zones on a magnetizable body.
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Kuckes Arthur F. (Ithaca NY), Method and apparatus for measuring distance and direction by movable magnetic field source.
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Paul A. Cloutier ; Timothy I. Marzolf ; Delbert R. Oehme ; Ronald F. Stebbings, Method and apparatus for providing permanent magnetic signatures in buried cables and pipes to facilitate long-range location, tracking and burial depth determination.
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Hoehn ; Jr. Gustave L. (Dallas TX), Method for directionally drilling a first well to intersect a second well.
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Hartmann Robin A. (Rijswijk NLX) Mulder Elvira H. (Rijswijk NLX), Method for drilling a borehole from one cased borehole to another cased borehole.
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Van Steenwyk, Donald H.; Towle, James N., Method for magnetizing wellbore tubulars.
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Kuckes Arthur F., Method for near field electromagnetic proximity determination for guidance of a borehole drill.
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Hoehn ; Jr. Gustave L. (Dallas TX), Method for the magnetization of well casing.
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Santa Cruz Cathy D. ; Henry Gregory L. ; Alderson Neil R., Multipurpose magnetizer/demagnetizer.
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Leupold Herbert A. (Eatontown NJ), Periodic permanent magnet structures.
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Kuckes Arthur F. (Ithaca NY), Rotating magnet for distance and direction measurements from a first borehole to a second borehole.
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Morris ; Fred J. ; Waters ; Robert L. ; Roberts ; George F., Surveying of subterranean magnetic bodies from an adjacent off-vertical borehole.
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Leupold Herbert A. (Eatontown NJ), Triangular section permanent magnetic structure.
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Yamaguchi Junji (Shimoogino JPX) Yamasaki Terumasa (Samejima JPX), Uniform magnetic field generator.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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