Common questions

How long is a length of drill pipe?

How long is a length of drill pipe?

It comes in a variety of sizes, strengths, and wall thicknesses, but is typically 27 to 32 feet in length (Range 2). Longer lengths, up to 45 feet, exist (Range 3).

How long is a standard drill bit?

Jobber Length Drill Bit Chart

Fractional Sizes Decimal Equivalent (Inches) Overall Length (Inches)
9/64” 0.1406 2-7/8”
5/32” 0.1562 3-1/8”
11/64” 0.1719 3-1/4”
3/16” 0.1875 3-1/2”

What is the most common range of drill pipe?

Range 1 (R1) is shortest in length, more common for sizing production tubing or casing, and ranges from 18 to 22 ft. Range 2 (R2) is considered the standard length for drill pipe and ranges from 27 to 31 ft. Range 3 (R3) is common in casing and also deployed in deep water drilling applications.

What is the difference between drill pipe and drill collar?

While drill pipe makes up the majority length of a drill string, drill collars make up only a small amount. In contrast, to drill pipe, drill collars are thick-walled and heavy, with very limited flexibility. Drill collars are used at the bottom of the drill string, just above the drill bit.

How many types of drill pipes are there?

With this in mind, remember that drill pipes, while they come in a variety of sizes, diameters, and materials, are divided into two broad types: regular drill pipe, and heavy weight drill pipe (HWDP), used as transitions.

How big is a 6mm drill bit?

Drill sizes to 1″ diameter

Drill sizes to 1″ diameter Legend Fractional Inch Letter Drill Millimeters Number Drill
Millimeters Inches Designation
5.9436mm .234″ A
5.9531mm .234375″ 15/64″
6mm .2362″

How long is Range 2 drill pipe?

Drill pipe tubes are furnished in the following API length ranges: Range 1: 18-22 ft; • Range 2: 27-30 ft; • Range 3: 38-45 ft.