Scribd
Upload
4K views1 page

NC50 Pin

This document provides specifications for an oil drilling thread connection, including dimensions for drill collar and drill pipe outer diameters (OD) and box depths (BD), notes on the API thread form and taper tolerance, and that the connection is equivalent to a 4-1/2 inch connection with a pitch diameter of 5.042 at the gage point and an optional pin relief groove.

Uploaded by

Eduard Gadzhiev
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
4K views1 page

NC50 Pin

This document provides specifications for an oil drilling thread connection, including dimensions for drill collar and drill pipe outer diameters (OD) and box depths (BD), notes on the API thread form and taper tolerance, and that the connection is equivalent to a 4-1/2 inch connection with a pitch diameter of 5.042 at the gage point and an optional pin relief groove.

Uploaded by

Eduard Gadzhiev
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
You are on page 1/ 1

L

PRODUCT THREAD FORM


4 TPI 2 TPF

API BEVEL DIAMETERS


DRILL COLLAR
OD

BD

DRILL PIPE
OD

BD

NOTES:
1. API THREAD FORM: V-0.038R.

3. TAPER TOLERANCE: +.031


-.000 PER FOOT.
4. EQUIVALENT CONNECTION 4-1/2 IF.
5. PITCH DIAMETER AT GAGE POINT 5.042.
6. OPTIONAL PIN RELIEF GROOVE MACHINED
PER DRAW #D000275649.
A

Document = D000224570 D.2 Checked by Meeks, Arthur 2013-01-09 13:25:12 Promoted by Meeks, Arthur 2013-01-09 13:25:58

You might also like