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Cased Hole Logging: Multi-Finger Caliper

Cased Hole Logging: Multi-Finger Caliper

For cased hole logging, the multi-finger caliper is commonly used. Below case shows the Sitan multi-finger caliper used for gas well damage inspection. This case tells the work performance of Sitan cased hole logging tool, multi-finger caliper, combined with the electromagnetic detecting tool ....

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Product Details

For cased hole logging, the multi-finger caliper is commonly used. Below case shows the Sitan multi-finger caliper used for gas well damage inspection. This case tells the work performance of Sitan cased hole logging tool, multi-finger caliper, combined with the electromagnetic detecting tool.

Case study

Gas Well Damage

Logging time: October 12, 2015

Well number: P103-2 gas well in Puguang gas field

Well condition: Sulfur content 13%~17%, strong acid well

Instrument string: Telemetry section, 24 Arm Multi-Finger Caliper, Electromagnetic defectscope            

                        7.  SITAN Cased Hole Logging Multi-Finger Caliper appearance after logging   8.  SITAN Cased Hole Logging Multi-Finger Caliper appearance after logging

 SITAN Cased Hole Logging: Multi-Finger Caliper appearance after logging

The appearance of the instrument after disassembling the outer protective shroud is shown as the picture. Compared with the new measuring arm, the measuring arms have no corrosion point, no deformation, and no obvious wear, and the wear layer at the tip is intact.

                           9. The used spring of SITAN  Multi-Finger Caliper after cleaning (no corrosion and deformation found)    10. The used spring of SITAN  Multi-Finger Caliper after cleaning (no corrosion and deformation found)

The used spring of SITAN  Multi-Finger Caliper after cleaning (no corrosion and deformation found)

11. SITAN 24 Arm Cased Hole Logging Multi-Finger Caliper result

SITAN 24 Arm Cased Hole Logging: Multi-Finger Caliper result

12. SITAN Electromagnetic defectscope result

SITAN Electromagnetic defectscope result


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