Avoid nonproductive time and costly fishing jobs in openhole logging operations
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Avoid jar activations in tight hole conditions.
Gulf of Mexico
An operator was conducting logging operations in a deepwater well using another service company’s formation evaluation tool string and wireline unit. Halliburton’s LockJar® Multi-Conductor E-Line Jar was added to the other service company’s tool string on two logging runs, and six stuck points were encountered. The LockJar system freed the tool string from all six stuck points, helping the operator avoid considerable nonproductive time, while performing flawlessly as a telemetry and power conduit.
An operator in deepwater Gulf of Mexico was conducting logging operations in a well with another service company’s formation evaluation tools and wireline unit. The Halliburton LockJar® Multi-Conductor E-Line Jar was selected for this project to help avoid time-consuming and expensive stuck strings and fishing jobs in wireline logging operations.
The versatile LockJar system features a hydraulic time delay that overcomes mechanical jar limitations by providing time for increased surface pull to work a tool string free from a tight spot without activating the LockJar system. Should the LockJar system need to be activated to free the tool string, the hydraulic time delay allows full utilization of surface pull capabilities to maximize impact load intensity on the stuck point, in combination with high-strength cable and solid weak point.
The LockJar hydraulic jar was included in two logging runs on this operator’s well, and six stuck points were encountered. The LockJar system freed the tool string from all six stuck points while performing flawlessly in its passive state as a telemetry and power conduit. The logging runs were completed without any nonproductive time associated with a stuck tool string.