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SJAT-Ⅱ Cement Bond Combination Tool
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SJAT-Ⅱ Cement Bond Combination Tool

Category: Instrumentation
Key words:InstrumentationSJAT-Ⅱ Cement Bond Combination Tool
Service Hotline:+86-513-87635480
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Product description
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I.Application Areas:

Model SJAT Ⅱ Cement Bond Combination Logging Tool is an ideal instrument mainly used for testing cement bond quality of casing wells.

II. Features

1.The tool consists of three parts, that is, CCL (casing collar locator), natural gamma ray tool and dual-transmitter-three-receiver sonic cement bond tool.

2.Three kinds of logging signals (CCL signal, gamma signal and cement bond acoustic signal) acquired by combination tool will be transmitted to surface logging system via mono-conductor cable.

3.High voltage, low current and little signal attenuation.

4.Multiple curves such as natural gamma, CCL, 2.5-inch sound amplitude and time difference, 3.5-inch sound amplitude and time difference, bond index, and variable density can be obtained.

5.The tool is characterized by multiple test parameters, high self-compensation capability and high success rate of logging.

III.Technical Specifications:

1.Maximum working pressure---------------100Mpa

2.Maximum working temperature-------------150℃

3.OD--------------------------------------Φ70mm

4.Working voltage (at the cable gland)----------------110VDC

5.Working current:

CCL/remote sensing cylinder/ Natural gamma ray tool --------43mA

Sonic cement bond tool------------- 42mA

6.Logging Speed: ≤700m/h recommended speed:600m/h

7.Natural gamma background counts:≥160cps

8.Gamma error band of ebb and flow: ≤7%

9.Length:

Upper Centralizer--------------------------790mm

CCL/ remote sensing cylinder / Natural gamma ray tool ----1470mm

Sonic cement bond tool ----------------------2800mm

Lower centralizer -------------------------------790mm

10.Zero Length (from the bottom of the tool):

Casing collar locator/remote sensing cylinder /Natural Gamma ray tool:

CCL: 1200mm

Natural gammy ray tool: 300mm

Sonic cement bond tool:

Range1 (X1---R1): 1600mm

Range 2(X1---R2): 1450mm

Range 3(X2---R1): 690mm

Range 4(X2---R2): 530mm

Variable density or XY recording: 1220mm

11. Weight:

Upper centralizer: 6.8kg

Casing collar locator/remote sensing cylinder /Natural Gamma ray tool: 25kg

Sonic cement bond tool: 39kg

Lower centralizer: 6.8kg

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Our mainly products: drilling rig parts, drilling equipment, solid control system, wellhead equipment, fishing tools, cementing tools.

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