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The Time We Shot Off Depth—and How a Painted Ring Changed Everything

I still remember the pit in my stomach when I heard the words: “You’re off depth.” We were halfway through a multi-stage horizontal wireline job. Everything had gone according to plan—at least we thought so. The wireline truck had been running smooth, the logging cable had passed all checks, and our wireline control systems were …

The Day the Gun Fired Out of Sequence: Why Diode Orientation Matters

There are moments in this wireline life that stay with you. For me, it was the day a stage perforating job nearly turned into a disaster—because of a diode. It started like any other multi-stage cased hole wireline operation. We were doing a horizontal run, setting plugs, followed by wireline perforating in a stacked gun …

Why My First Shot Almost Went Off… in the Wrong Place

Some wireline lessons don’t hit you until you’re standing at the wellsite, wireline truck humming behind you, logging cable spooled tight, and a perforating gun hot and ready to go. That day, I was lucky the gun didn’t fire—because if it had, it would’ve been off depth. And not by a little. It happened during …

That One Time I Learned the Hard Way About Bleeding Tools

Some lessons in wireline logging don’t come from a course or a textbook. They come from the sound of a bleeder valve hissing a little too close to your face. I was still early in my wireline journey when I learned one of the most important safety procedures in wireline services—how to properly bleed a …

A Lesson in Precision: The Day I Almost Armed the Wrong Gun

Not every day in the field is a breeze. Some days are high stakes—especially when you’re dealing with perforating guns, downhole tools, and the kind of wireline services that don’t allow for second chances. This story takes me back to a rig in the middle of nowhere, deep in the cased hole logging world, where …

When the Plug Just Wouldn’t Set – Lessons from the Cased Hole

Out in the field, there’s a moment every wireline engineer dreads: when everything’s rigged up, tools are in the hole, and the setting tool refuses to shear. That was me a few months ago, staring at the depth readout in disbelief, already calculating the risk of a misrun. It wasn’t the first time I’d dealt …

Mastering Safe Gun Handling in Wireline Arming and Disarming Procedures

As a wireline engineer, I’ve encountered countless situations where safety and precision go hand in hand. One of the most critical processes in wireline perforating is the arming and disarming of explosive devices. Every step must be executed with meticulous attention to wireline control systems, wireline pressure control equipment, and safety regulations to ensure well …

The Art of Safe Gun Arming and Disarming in Wireline Operations

Working in wireline perforating is more than just running tools in and out of the well—it’s about safety, precision, and executing the job with absolute focus. When dealing with explosive devices, the margin for error is non-existent. Every step, from arming the perforating guns to safely disarming them in case of a misfire, must be …

Ensuring Safe Perforation Well Operations with Check Fire Procedures

In wireline and perforating work, safety is not optional—it’s a necessity. The use of wireline perforating guns and perforating systems in cased hole well services comes with risks that require strict adherence to safety standards. One of the most crucial procedures in perforation well operations is the check fire procedure, especially when using RED detonators. …

Mastering the Check Fire Procedure for Safe Wireline Perforation

I remember the first time I performed a check fire procedure on a wireline perforation job. The weight of responsibility sat heavy on my shoulders. Ensuring the correct firing sequence in a perforation well isn’t just about following protocol—it’s about wireline safety, well integrity, and operational efficiency. A misstep here can have severe consequences, which …