| 摘要 |
The present invention relates to a method and an apparatus for carrying out production logs in an eruptive well. The apparatus is characterised in that it comprises sealing means (9), measuring means designed for processing at least part of the upstream flow and/or of the downstream flow in relation to said sealing means (9), and means (10A, 10B, 19, 33) for controlling the pressure difference on either side of the sealing means. <IMAGE>
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