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The CCL log is generally displayed between tracks one and two, sometimes called the depth track, and usually to the right of said depth track, on the suggested American Petroleum Institute (API) log format. However, the CCL record is occasionally …

Logging CCL. Hunting’s Logging CCL, normally run with a gamma ray, CBL or other cased-hole logging tools, can be used to make a depth correlation between the casing collars, and the open hole log of the well.

A CCL is a specialized downhole log that records the position of casing collars, couplings, or other equipment within the wellbore. It essentially creates a "map" of these critical components, providing valuable information for various operations.

A downhole tool used to confirm or correlate treatment depth using known reference points on the casing string. The casing collar locator is an electric logging tool that detects the magnetic anomaly caused by the relatively high mass of the casing collar.

2020年10月11日 · The casing collar locator (CCL) is a magnetic device sensitive to changes of metal thickness at casing or tubing collar. It is always run in steel cased boreholes to detect the position of casing collars. It is mainly used for depth control and depth correlation.

The CCL Log is a specialized wireline logging tool used to identify the precise locations of casing collars downhole. It works by transmitting a magnetic field that interacts with the ferrous material of the casing collars.

The Casing Collar Locator (CCL) responds to changes in metal volume, such as in casing or tubing joints, or downhole completion components or perforations. The CCL is primarily used to accurately correlate tools and log data to downhole casing joints or completion components.

There are many different types of logs that can be run on wells. They can be run in open hole or in cased hole. Generally, they are on wireline, slick line, or in a drill string. The course will look a full well log and explain it piece by piece.