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Electromagnetic Thickness Tool (EMT08)


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Overview


The Electromagnetic Thickness Tool (EMT08) has been designed to measure the casing wall thickness. The power is supplied and signals transmitted through mono-conductor cable.
The EMT08 includes an array of twelve miniature sensors. Each obtains one magnetic variation signal. The whole data from the twelve sensors are transmitted through the telemetry cartridge to the surface to be presented in log records.
The EMT08 must be centralized during operating, and a combined use with the multi-finger caliper is recommended. Special interpretation software is provided for interpretation of EMT08 data only or for combined interpretation of EMT08 and multifinger caliper measurements. Three-dimensional imaging output may be realized.

Application

· Metal Loss Inspection
· Wall Thickness Measurement
· 3D Imaging of Well Condition
· Pits Detection

Specifications

Model

EMT08

Temperature

175°C (350°F)

Pressure

100MPa (15000psi)

OD

Ф43mm(1 11/16")

Make-up Length

1976mm (77.795")

Shipping Length

2071mm (81.535")

Zero Length

944.8-931.5mm (37.197-36.673'*)

Weight

12 kg (26.46lbs)

Transmission

Mono-conductor Cable

Operating Voltage

18V+10 %

Operating Current (Transmitting Driver Open)

350mA ± 50mA

Operating Current (Transmitting Driver Closed)

100 mA±10mA

Max. Logging Speed

5m/min (16.4ft/min)

Transmission Protocol

KWHTbus

Logging Speed

150m/h-300m/h

Transmission Speed

500 kbps

Measureing Range

3"~7"

Radial Resolution

100% Coverage (<5" Casing)

Thread Type

KWDJ-GoA-lA


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