Buying a Wireline Skid Unit: What to Know

If you're in the market for a wireline skid unit, you're probably setting up a permanent wireline base, or you need a skid mounted unit for offshore or remote work. Wireline skid units are a big investment — a new one can cost $300,000 to $1 million or more — so you want to make sure you're buying the right equipment. Here's what you need to know.

New vs. Used: The Big Decision

Buy New If: You're setting up a new operation, you need a warranty, or you want the latest technology. New wireline skid units come with factory support, and you know exactly what you're getting. But they're expensive, and you lose 20-30% the second you take delivery.

Buy Used If: You have experience with wireline equipment, you have a good mechanic, you're on a tight budget, or you just need equipment that works. Used wireline skid units can be 40-60% cheaper than new. But you have to do your homework. Bring an experienced wireline operator or a mechanic with you to inspect any used unit before you buy.

What to Look For When Buying Used

When you're looking at a used wireline skid unit, check these things:

- Winch condition: How many hours on the winch? Are the brakes working? Is the wireline in good condition? The winch is the heart of the unit, and it's the most expensive part to rebuild.
- Power unit hours: How many hours on the diesel engine? Engines are expensive to overhaul.
- Hydraulic system: Does the hydraulic system work? Are there leaks? Are the hoses in good condition?
- Control system: Does the control panel work? Are the gauges accurate? Can you control all the functions?
- Wireline drum: How much wireline is on the drum? Is it the right size and type? Is it in good condition?
- Skid condition: Is the skid rusty? Are the mounting points in good condition?
- Service records: Has the unit been maintained properly? Can you see the records?

What Size to Buy

What size wireline skid unit should you buy? It depends on what kind of work you'll be doing:

- Small units (10,000-20,000 lb pulling capacity): Good for shallow wells and basic cased hole logging. They're cheaper and smaller, but they can't handle deep wells or heavy-duty work.
- Medium units (30,000-50,000 lb pulling capacity): The sweet spot. They can handle most onshore wells, and they're versatile enough for most wireline jobs. This is what most wireline service companies use.
- Big units (60,000+ lb pulling capacity): For deep wells and heavy-duty work — fishing, heavy swabbing, and more. They're more expensive, but they're the only way to handle the biggest jobs.

Don't buy more unit than you need. If you're mostly doing basic cased hole logging on shallow wells, a small unit is enough. You can always upgrade later. But also don't buy a unit that's too small — you'll regret it when you get a big job and can't handle it.

FAQ

Q: How much does a wireline skid unit cost?
A: A new wireline skid unit costs $300,000 to $1 million, depending on the size and features. A small unit starts around $300,000. A big heavy-duty unit can cost $1 million or more. Used units are 40-60% cheaper.