Casing collar indicator for operation in centralized or decentralized position
Apparatus for indicating the location of casing joints or collars in a cased borehole utilizing a magnetic field. An electrical detector coil array is disposed within an elongated body member having a plurality of arm member equidistant thereabout. Each arm member carries a casing contact pad having...
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| Main Author | |
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| Format | Patent |
| Language | English |
| Published |
10.09.1985
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| Edition | 3 |
| Subjects | |
| Online Access | Get full text |
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| Abstract | Apparatus for indicating the location of casing joints or collars in a cased borehole utilizing a magnetic field. An electrical detector coil array is disposed within an elongated body member having a plurality of arm member equidistant thereabout. Each arm member carries a casing contact pad having a permanent magnet mounted therein. The expansion force exerted on the arm members and the maximum range of expansion are independently adjustable. |
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| AbstractList | Apparatus for indicating the location of casing joints or collars in a cased borehole utilizing a magnetic field. An electrical detector coil array is disposed within an elongated body member having a plurality of arm member equidistant thereabout. Each arm member carries a casing contact pad having a permanent magnet mounted therein. The expansion force exerted on the arm members and the maximum range of expansion are independently adjustable. |
| Author | WALKOW; ARNOLD M |
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| Discipline | Medicine Chemistry Sciences Physics |
| Edition | 3 |
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| Notes | Application Number: US19830522928 |
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| PublicationCentury | 1900 |
| PublicationDate | 19850910 |
| PublicationDateYYYYMMDD | 1985-09-10 |
| PublicationDate_xml | – month: 09 year: 1985 text: 19850910 day: 10 |
| PublicationDecade | 1980 |
| PublicationYear | 1985 |
| RelatedCompanies | DRESSER INDUSTRIES, INC |
| RelatedCompanies_xml | – name: DRESSER INDUSTRIES, INC |
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| Snippet | Apparatus for indicating the location of casing joints or collars in a cased borehole utilizing a magnetic field. An electrical detector coil array is disposed... |
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| SubjectTerms | EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS TESTING |
| Title | Casing collar indicator for operation in centralized or decentralized position |
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