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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0676743 (1984-11-30) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 285 인용 특허 : 1 |
A bundle of spoolable power supplying and heating cables and at least one weight-supporting strand for forming an assembly for electrically heating or heating and logging a long interval of subterranean earth formations is installed within a well by spooling superposed flat layers of those strands a
A bundle of spoolable power supplying and heating cables and at least one weight-supporting strand for forming an assembly for electrically heating or heating and logging a long interval of subterranean earth formations is installed within a well by spooling superposed flat layers of those strands and an interspersed flexible band on a drum substantially as narrow as the layers, while interconnecting the power supplying and heating cables on the drum, and then unspooling the strands into the well while intermittently banding them into bundles and concurrently respooling the flexible band on a different drum.
In a well treating process in which a bundle of strands which includes at least one weight-supporting strand and at least two strands having differing thicknesses along different portions of their length are inserted into a well, an improvement for minimizing the number of spooling means needed for
In a well treating process in which a bundle of strands which includes at least one weight-supporting strand and at least two strands having differing thicknesses along different portions of their length are inserted into a well, an improvement for minimizing the number of spooling means needed for equalizing the length of strands inserted, comprising: supporting the strands of differing thicknesses on a single drum having flanges spaced close to, but slightly greater than, the width of a layer of those strands with their thickest portions side-by-side; spooling a flexible band which is (a) capable of extending substantially between the drum flanges and (b) bridging across the upper portions of a side-by-side layer of strands of differing thicknesses to form a substantially flat surface for receiving an additional layer of the strands; unspooling the strands of differing thicknesses into the well while respooling a flexible band onto a separate spooling means; moving said weight-supporting strand and other strands of said bundle into the well along with the strands of differing thickness; and banding the strands being moved into the well into contact with each other so that the frictional contact with the weight-supporting strand is sufficient to support the weight of the strands between the bands.
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