Casing Collar Locator Tool is a high-precision downhole detection tool specially designed for the oil and gas industry. It adopts advanced electromagnetic sensing technology and can accurately identify and locate the position of casing couplings in the complex downhole environment. Providing reliable data support for logging operations to ensure the precise execution of casing integrity evaluation, perforation location and subsequent operations.
Application Scenarios
The specific application scenarios of Casing Collar Locator Tool are as follows:
Perforation Positioning-Provides reliable depth references for precise perforation operations and reduces the risk of misshooting.
Casing Integrity Assessment-Identify the position of casing couplings and assist in evaluating the condition of the casing.
Bridge Plug Setting Position-Ensure that the bridge plug is accurately set between the couplings.
Multi-stage Fracturing Positioning-Provides precise packer setting position references for multi-stage fracturing.
Casing Wear Assessment-Combined with other logging data, it assists in evaluating the location of casing wear.
Our Casing Collar Locations Tool
A cased-hole logging solution provider.



Technology Consulting
Our logging tool R&D team has over 30 years of experience in casing well evaluation and can provide:
◆ On-site operation technical support and deep positioning solution design.
◆ Customized tool string combination suggestions (CCL+ Gamma + Caliper).
◆ Data Interpretation guidance.
◆ Tool repair and annual inspection and calibration services.
Service & Technical Support
We offer a global technical support network, including
◆ Application engineer team (average industry experience >10 years).
◆ Regional technical support center (covering major oil-producing areas).
◆ 24/7 remote diagnostic support.
◆ On-site troubleshooting service (response time <48 hours).
Training & Knowledge Transfer
Provide customers with comprehensive operation and maintenance training, including
◆ Equipment principle and operation specifications.
◆ Best practices for on-site calibration.
◆ Data quality judgment and fault diagnosis.
◆ Preventive maintenance plan.
Quality Control Document
Each device comes with a complete technical documentation package:
◆ Calibration certificate (traceable to national standards).
◆ Material certification document.
◆ Performance test report.
◆ Operation and maintenance manual.
◆ Safety data sheets.
Customized Solution Consultation
The quality of Casing Collar Locations Tool data directly affects the scientific nature of logging decisions. We can recommend the most suitable well temperature, gamma, and CCL tool configuration and operation plan based on your specific operation type (cable perforation, oil pipe transportation perforation, dynamic negative pressure perforation, etc.) and well conditions.
Welcome to contact us to learn more about our tools via e-mail info@a-oneoil.com







