Description
High-Precision Downhole Free-Point Determination for Rig-Efficient Pipe Recovery
The Digital Free Point Tool is an advanced wireline downhole logging instrument engineered to accurately determine the free point of stuck pipe, tubing, or casing within a wellbore - a critical measurement when planning pipe recovery, fishing, or workover operations. Unlike traditional mechanical free-point tools, the Digital Free Point Tool integrates digital sensing and memory signal processing to provide precise, actionable data that enhances operational planning, minimizes rig time, and improves safety outcomes.
What Is Free Point Determination?
In drilling and downhole intervention operations, a portion of the drill string or casing can become "stuck" due to wellbore conditions, borehole fluid properties, formation obstacles, differential pressure, or mechanical factors. The free point refers to the deepest depth at which the pipe is still free to move (rotation or translation) above the stuck zone.
Accurate identification of the free point is essential for:
◆ Optimizing pipe recovery and fishing strategy
◆ Minimizing unnecessary cutting or milling below the stuck zone
◆ Reducing rig time and associated operational costs
◆ Preventing further damage to the pipe string
Traditional methods based on surface estimations or pipe stretch charts provide only approximate stuck depths. In contrast, the Digital Free Point Tool produces direct in-hole measurements of pipe deformation and torque-offering far greater precision and reliability.
Our Digital Free Point Tool
A cased-hole logging solutions provider.




Technical Parameters
|
General Specs |
|
|
Diameter |
43mm (1-11/16in) |
|
Temperature Rating |
-20℃-175℃ (-20°F-347°F) |
|
Pressure Rating |
140Mpa |
|
Length |
1750mm(68.9in) |
|
Weight |
11.7kg |
|
Testing Range |
45-140 |
|
Outer Casing Material |
TC18 |
|
Medium Influence |
Non |
|
Measuring Speed |
700m/h |
Key Technical Features & Advantages
◆ Precision Sensing
High-stability Hall sensors or strain gauge elements provide reliable tension, compression, and torque readings even in challenging downhole environments.
◆ Operational Efficiency
Eliminates the need for repetitive mechanical set/measure cycles typical of traditional mechanical free-point tools.
Tool electronics are designed for durability and controlled motor operation, protecting delicate components during repeated anchoring and retraction operations.
◆ Wide Compatibility
Suitable for use across a range of tubular sizes and materials, including drill pipe, tubing, and casing strings encountered in drilling and workover operations.
Applications Across Oilfield Operations

The Digital Free Point Tool is widely used in:
◆ Drilling and Workover Operations – Locating the deepest free depth before back-off or milling operations.
◆ Fishing & Recovery Planning – Pinpointing precise stuck points to plan fishing operations efficiently.
◆ Well Abandonment & Plugging – Evaluating stuck casing scenarios prior to plug setting.
◆ Downhole Integrity Assessment – Supporting decisions where anomalous pipe behaviour is suspected.
Why Choose Our Digital Free Point Tool?
◆ Proven Digital Precision–Top-level sensor technology brings out reliable free/stuck distinction.
◆ Robust Downhole Performance – Engineered for reliability in harsh wellbore environments.
◆ Enhanced Decision Confidence – Precise free-point determination minimizes risk and costly downhole operations.
Conclusion: Optimize Your Pipe Recovery Operations
The Digital Free Point Tool delivers scientifically verified, real-time downhole measurements that enable accurate identification of stuck pipe free points- a critical enabler for efficient drilling, fishing, and workover operations. By integrating precise sensing, robust electronics, and depth-referenced analysis, this tool helps field engineers reduce risk, save rig time, and drive better operational outcomes.
Hot Tags: digital free point tool, China digital free point tool manufacturers, suppliers, factory









