Bergen Technology Center As

Dag-Håkon Frantzen

Jon Oddvar Hellevang

Gunnar Andersen

Sondre Grønsberg

Tarjei Rommetveit

Terje Lenart Lie

Peter James Thomas

The invention is a petroleum well downhole logging tool () comprising &#x2014;a wireline telemetry controller unit () comprising &#x2014;a downhole modem () for transmitting data at a first bitrate uplink on a wireline () to a surface telemetry unit () connected to a surface read-out unit (SRO) with a memory ()), a server toolbus controller () connected between said downhole modem () and an internal tool databus () operating at a second bitrate (r) higher than the first bitrate; &#x2014;one or more logging tools () each with sensors (, . . . ), each with a client toolbus controller () connected on said tool databus (), said downhole logging tool () further comprising &#x2014;a memory tool unit () with a memory section () with relatively high IO speed and capacity and connected to said internal tool databus () via a memory tool client toolbus controller () connected to said tool databus () and arranged for communicating with said server toolbus controller (), said memory tool () further provided with &#x2014;an internal local high speed data bus () operating at a third bitrate (r) higher than said second bitrate (r), to &#x2014;a high-resolution logging tool () with one or more sensors () which provides high-resolution data (), &#x2014;said memory tool () arranged for transmitting a part () of said high-resolution data () via said internal tool databus () online to said server toolbus controller () during logging, and &#x2014;for uploading more of or all of said high-resolution data () via said server toolbus controller () to said surface telemetry unit () and said surface read-out unit (SRO).

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Loddefjord, Norway

Dag-Håkon Frantzen