Heavy drilling tools and refinery equipment
Drill string
Drill pipe joins the surface equipment to the bottom-hole assembly, carries drilling fluid down to the bit, and transmits rotation and tension.
Drill pipe is the main tubular in the drill string. Each joint is a steel tube with a tool joint on either end. In the hole it has three jobs at once: it holds the tools below it, it turns them, and it is the pipe the mud flows through. Above the pipe, heavy-weight drill pipe is often run as a transition, and drill collars below that put weight on the bit. Those can be quoted on the same enquiry. Say so, and give the outside diameter, the connection and the number of joints.
The usual purchase specification for drill pipe is API Spec 5DP. The order names the outside diameter, the weight or wall, the grade (for example E-75, X-95, G-105 or S-135), the connection, the length range and whether the pipe is new or inspected used. We do not publish a generic strength figure in place of that grade.
| Duty | Drill string between the surface and the bottom-hole assembly |
|---|---|
| Usual specification | API Spec 5DP, or the standard named on the order |
| Named on the order | Outside diameter, grade, connection, range, quantity |
| Also quoted when asked | Heavy-weight drill pipe and drill collars |
| Evidence | Mill certificates when the maker supplies them |
A datasheet will be attached when measured results are on file.
Request a quoteWhat it is used for
Drill pipe is the tubular that links the rig to the bottom-hole assembly. It carries tension and torque, and drilling fluid goes down through it. Heavy-weight pipe and drill collars can be quoted with it. They are not the same joint.
The order
We quote the piece you name. A missing size or standard is a question, not a guess.
Outside diameter, weight and API grade.
The tool-joint thread.
Length range and the number of joints.
Supply
The specification written on the order.
Mill or material certificates when the maker provides them.
Identity marks checked against the packing list.
A performance figure is published only when a datasheet is attached.
Use the quote button. Include the duty, the quantity and where it has to be delivered. We reply on business days.
Write to info@edatm.com or telephone +44 7570 624325. Replies go out on business days, Monday to Friday, 08:30–18:00.
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