Cement Detecting Device

A method of measuring the level of cement in a well comprising:

• lowering a gamma ray logging device into a well via a wire wherein a first end of the wire is in electrical communication with the gamma ray logging device and a second end of the wire is in electrical communication with a computer on the surface;
• lowering the gamma ray logging device to a desired depth within the well;
• recording the depth of the gamma ray logging devices;
• and
• measuring gamma rays using the gamma ray logging device.

A method for measuring the depth of cement in a well comprising:

• lowering a gamma ray logging device into a well via a wire wherein a first end of the wire is in electrical communication with the gamma ray logging device and a second end of the wire is in electrical communication with a computer at the surface of the well;
• placing the gamma ray logging device so that the gamma ray logging device is more proximate a side of a casing within the well than the central axis of the well;
• lowering the gamma ray logging device to a first desired depth and recording the first desired depth of the gamma ray logging device;
• activating an arm of the gamma ray logging device which extends a member of the gamma ray logging device towards the inner wall of the casing and into close proximity with the inner wall of the casing;
• activating the gamma ray logging device to begin measuring gamma ray data;
• the gamma ray logging device transmitting the gamma ray data to the computer;
• and
• discontinuing pumping cement when the gamma ray data indicates a spike in gamma rays.

The method of claim 14 further comprising:

• raising the gamma ray device to a second desired depth and recording the second gamma ray device depth;
• continuing to record and transmit gamma ray data;
• resuming pumping cement into the well;
• discontinuing pumping cement into the well when the gamma ray data indicates a spike in gamma rays.

The method of claim 15 further comprising repeating the following steps until the pumping of cement is complete:

• raising the gamma ray logging device to a new desired depth and recording the new depth;
• measuring and transmitting gamma ray data;
• pumping cement;
• and
• discontinuing pumping cement when the gamma ray data indicates a spike in gamma rays.