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Devico DeviFlex, Руководство пользователя

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DEVI

FLEX

 - VERTICAL SURVEY

This procedure description is a short guide in how to perform a DeviFlex survey 
in vertical boreholes. It is required that the reader knows how to perform a 
regular DeviFlex survey.

The operation will be described step-by-step and provide information necessary 
for a successful operation.  

DeviFlex

Doc no: 
Author: RL

Revision 3

Checked by: GV
Date: 29.09.2011

Orientation Unit

Содержание DeviFlex

Страница 1: ...survey in vertical boreholes It is required that the reader knows how to perform a regular DeviFlex survey The operation will be described step by step and provide information necessary for a success...

Страница 2: ...he DeviFlex and replace it with the 1 Perform a DeviFlex survey over the whole borehole length 2 Check the survey data and find at which depth the inclination reaches 88 5 and the azimuth shows stable...

Страница 3: ...w Align the bubble level on the Orientation Unit with Gravity Toolface Gr Toolface of 0 6 Tighten the adjustment nut to keep the DeviFlex and the Orientation Unit aligned Nut 7 Start the DeviFlex with...

Страница 4: ...n Unit into the drill string and fasten it by rotating the handles clockwise 9 Rotate the drill string until the side with the bubble level points towards north or any known direction Use complimentar...

Страница 5: ...the drill string is lowered down 12 Survey until the drill bit reaches hole bottom Pull out drill rods to retrieve the DeviFlex and download data 13 Transfer the results from both surveys as hole ind...

Страница 6: ...lick Merge Vertical and enter the end depth of the vertical survey and the hole index of the normal survey Click Start 16 The true borehole trajectory is now presented in the index of the oriented sur...

Страница 7: ...459095 Expanding Orientation Unit DF...

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