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There are two types of lessons in wireline engineering—the ones you learn in training, and the ones the field teaches you the hard way. This story is about one of the latter. The Setup: A Routine Plug Setting Job It was supposed to be a straightforward plug setting operation. We were using a Baker wireline …
One thing about wireline engineering—just when you think you’ve seen it all, the oilfield throws you a curveball. This story takes place during a pressure test for a PWP tool, something that should have been routine. Instead, it turned into a lesson in bottom hole pressure (BHP) calculations, sensor calibration, and troubleshooting telemetry issues. The …
Perforating is one of those wireline operations where precision meets high risk. Whether it’s pump down perforating, cased hole perforation, or plug and perf, one wrong move can mean costly misfires—or worse, an unintentional detonation. I remember one job where a simple wiring oversight nearly turned into a disaster. The Setup: Standard Perforating Run It …
Every wireline engineer knows that cased hole logging is more than just a job—it’s an exercise in precision, patience, and sometimes, pure problem-solving. I learned this the hard way during a caliper log job that started as routine but quickly turned into one of my most memorable downhole diagnostics experiences. Setting Up for Success (Or …
There are two kinds of days in wireline services oil and gas—the ones where everything goes smoothly, and the ones that remind you why pressure control is critical. This story takes place on one of those second kind of days. The job was simple: run a cased hole logging operation to assess casing integrity before …
It was just another day in the field—another job, another toolstring, another set of well conditions that we had to work with. We were rigged up, and everything seemed good to go. But, as any seasoned wireline engineer knows, appearances can be deceiving. Before sending the toolstring downhole, I reached for my unit ohm meter—a …
I still remember the first time I had to use a cablehead disconnect tool in the field. It was one of those jobs where everything was running smoothly—until it wasn’t. We were running a wireline logging operation deep in the formation, gathering critical downhole data. The logging tools were performing as expected, the winch operator …
Wireline operations are all about precision, control, and safety. Whether you’re tripping in or out of a wellbore, cable speed is a crucial factor that can make or break a job—literally. Over the years, I’ve seen how exceeding safe speed limits can lead to costly failures, equipment damage, and dangerous situations. Let me share some …
If you’ve been in the wireline business for a while, you know that a solid cable-head connection is the backbone of any successful logging run. It’s one of those things that, when done right, goes unnoticed—but when done wrong, it can turn into a nightmare fast. Improperly seated cones, kinked armors, or a rushed re-head …
Wireline logging plays a vital role in understanding subsurface formations and optimizing wellsite operations. Achieving accuracy and reliability in this process requires adhering to a set of established practices that cover data acquisition, processing, and interpretation. Here’s a breakdown of key principles that every wireline engineer should know. Optimizing Data Acquisition Wireline logging begins with …
