Each bar or tube
used to manufacture HWDP tool
joints or integral HWDP shall be examined for both surface and
internal defects in accordance with Clause *1 of ISO ******1/API
Spec **1.?
?Features: 1. Has the same
OD of drill pipe and reduced ID
2. Used between DP and DCs
3. Manufactured in four sizes: 3 ?, 4, 4 ?, 5 in. and in length 0f
*0.5 ft
4. Can be safely run in compression
5. Used to provide WOB in directional and horizontal wells
6. Number of joints used varies from *0 to *0
joints
?
