FIELD: oil and gas industry.
SUBSTANCE: inner members of well casing are located inside the cleft, space between inner well casing and cleft is filled with casting. Inner member is made so that continuous circle is created. Its wall is designed with bending points, then inner member is straightened for its fixing in the cleft, using bending points. Then one curves inner member of well casing.
EFFECT: improves processability and reliability.
28 cl, 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DOWNHOLE EXPANSION TUBE | 2014 |
|
RU2655628C2 |
| TUBULAR STRUCTURE OF PRELIMINARILY MOULDED BLANK OR MATRIX FOR WELL CASING | 1994 |
|
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| SEALING DEVICE OF INTERSECTION POIUNT OF PARENT AND BRANCH WELLS | 1998 |
|
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|
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| METHOD FOR CREATION OF DOWNHOLE ELECTRODE FOR RESERVOIR ELECTRIC TREATMENT | 0 |
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| IMPROVED WELL SEALING | 2019 |
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| DRILLING TOOL | 2004 |
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| PROTECTIVE DEVICE FOR WELL PIPES | 2010 |
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| SYSTEM FOR TRANSMITTING ELECTRICITY DOWNWARDS ALONG BORE-HOLE OF WELL | 1996 |
|
RU2149261C1 |
