Segmented Radial Cement
Bond Logging Services
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The segmented radial cement bond log (SRBL) is used to determine the quality of cement bond to the casing and formation, while also identifying possible channels that can affect zonal isolation.
The SRBL tool utilizes a transmitter-receiver configuration that allows the simultaneous acquisition of a conventional three-foot amplitude, five-foot variable density log (VDL) data, waveform signatures, and eight directional, two-foot amplitudes. These eight directional amplitude measurements are used to create a 360-degree radial cement distribution map that can be used for cement channel identification. All information is recorded versus depth during a single well descent.
Tool Applications:
- Determining quality of cement bond to casing
- Determining percentage of cement bonded to casing
- Identifying cement channeling outside casing
- Determining acoustic coupling to formation
- Obtaining casing-to-formation depth correlation for subsequent well work
Combinable Tools:
- Gamma Ray (GR) Tool
- Casing Collar Locator (CCL) Tool
- Neutron Tool
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Segmented Cement Bond Log Tool Specifications
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| Outside Diameter |
2.75 inches |
| Max. Pressure |
20,000 psi |
| Max. Temperature |
350°F |
| Length with GR & CCL |
18.75 feet |
| Min. Casing Size |
4 inches |
| Max. Casing Size |
14.5 inches |
| Max. Mud Weight |
16.5 lbs/gal |
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