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Casing Collar Locator (CCL)
The Casing-Collar Locator (CCL) is crucial for depth control in cased-hole logging, essential for correlating depths between cased-hole and openhole logs.
It utilizes a coil-and-magnet setup with a downhole amplifier, detecting collar enlargements in the casing via magnetic field distortions.
This generates a voltage spike known as a collar "kick," recorded at the surface. CCLs operate in wireline or slickline modes, with real-time slickline tools converting spikes to tension changes for immediate surface detection.
Coiled-tubing applications use pressure spikes transmitted through fluid for detection due to weight constraints. Tractors in deviated wells can also provide depth control by producing a CCL during operations.
Description
China Vigor Drilling Oil Tools And Equipment Co., Ltd. is one of the most professional manufacturers and suppliers of casing collar locator (ccl) in China, featured by competitive price and fast delivery. Welcome to buy high quality casing collar locator (ccl) in stock here from our factory.
The probe is composed of a coil and four magnets, the magnets are divided into two groups and are installed at the upper end and the lower end of the coil respectively, so that the coil is in a constant magnetic field, when the instrument passes through the joint hoop, the magnetic field lines are rearranged, the coil is in a changing magnetic field at this time, so that an alternating current signal is induced in it, the electrical signal is amplified and converted into frequency, this frequency is counted by the single-chip microcomputer on the instrument, and is sent to the telemetry short section when the telemetry short section is addressed, and then sent to the ground by the telemetry short section code through the cable. This completes the measurement of the casing ferrule.
Applications

- Depth control in casing or tubing
- Location of casing or tubing damage
- Confirmation of perforation depths or intervals
- Obtain formation structure information.
- Measure the position of the casing collar and calibrate depth.
- Measure well temperature and determine oil outlet position.
Parameters
|
O.D. |
43mm(1-11/16") |
|
Max. Temperature Rating |
175℃(347°F) |
|
Max. Pressure Rating |
100MPa(14,500Psi) |
|
Combined Length |
410mm(16.14") |
|
Over-all Tool Length |
505mm(17.99") |
|
Weight |
2.8kg (6.2Ibs) |
|
Operating Voltage |
18VDC |
|
Operating Current |
20±3mA |
|
Bus Protocol Type |
WSTbus |
|
Signal-to-Noise Ratio |
>5 |
|
Logging Speed |
>400m/h |
|
Connections |
WSDJ-GoA-1A |
Packing Photos



The Casing Collar Locator (CCL) provided by Vigor undergoes rigorous quality inspections post-production to ensure it meets customer requirements. Following inspection, products are meticulously packaged in multiple layers to guarantee safe transit, ensuring they arrive at your destination securely. For top-quality drilling and completion logging products from Vigor, contact us today for professional technical support and superior products.
Vigor is committed to researching, developing, manufacturing, and selling high-tech downhole tools and equipment. Our focus is on utilizing advanced technologies to help our customers reduce the costs of oil and gas exploration, production, and completion while keeping up with the development of the world's energy industry.
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VIGOR's products are used in 60+ countries
3500+ International projects experience
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Company History

Vigor is always your reliable partner in the oil and gas industry.
Vigor expanded our manufacturing facilities in different locations of China which help us to serve the customers with swift delivery, diversity and efficiency of production. All our manufacturing facilities meet and exceed APl and international quality standards.
With a solid background, experiences, full support from the engineering team, and high efficiency in production, Vigor has established stable and long terms cooperation with well-known international companies from the US, Canada, Colombia, Argentina, Brazil, Mexico, Italy, Norway, UAE, Oman, Egypt, Saudi Arabia and Nigeria, Etc.
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Vigor's R&D History
Vigor team has consistently prioritized investment in product research and development. In 2017, several new products developed by Vigor were successfully tested and widely promoted, with advanced technological offerings being adopted in bulk by clients on-site. By 2019, our modular disposable guns and site selection perforating series had been successfully deployed in client wells. In 2022, Vigor invested in a high-tech tool manufacturing plant to further enhance our production capabilities.
Our commitment to the R&D, production, and testing of new products remains unwavering. If you are interested in industry-leading products or technologies, do not hesitate to contact our professional technical team. We look forward to collaborating with you to advance the global energy industry.
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Vigor is Your Best Reliable Partner in Oil and gas industry
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As a company, we maintain a high degree of professionalism and our employees strive to embody our work ethic. You can always rely on Vigor to deliver quality services that exceed your expectations.
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