DRILL PIPE STOCK

DRILL PIPE STOCK

Manufacture specifications
API SPEC 5DP：Specification for Drill Pipe
ISO 11961：Petroleum and natural gas industries -Steel drill pipe
SY/T-5200：Drill stem subs
IRP VOLUME 1 : CRITICAL SOUR DRILLING

Mechanical properties

SMYS: Specified Minimum Yield Strength  
SSC requirement: NACE test as per NACE TM0177 Method A Solution A
Charpy Impact Average: Minimum average Charpy Impact Value at room temperature, 3/4 standard size (7.5 X 10mm2)
(1)Minimum average Charpy Impact Value at –20°C, 3/4 standard size (7.5 X 10mm2)
(2)Minimum average Charpy Impact Value at –60°C, 3/4 standard size (7.5 X 10mm2)

Quantity of supply

Heavy thickness pipe for sour service tool joint
TPCO has researched and offered heavy thickness pipe for sour service tool joint. Tool joint is essential to provide the necessary H2S resistance within the steel and ensure the safety of those working in such harsh environments.
The heavy pipe is quenched and tempered, and has passed NACE test as per NACE TM0177 Method A Solution A. The product need to be machined to tool joint by drill pipe manufacturers.

(1)Charpy Impact Average: Minimum average Charpy Impact Value at room temperature, standard size (10 X 10mm2)