| Sign In | Join Free | My burrillandco.com |
|
.... The drill collars are manufactired strictly according to API Spec7-1 and Standard SY5144. We supply slick drill collars, spiral drill collars and non-magnetic drill collars. Their sizes are from 3-1/8 to 1...
The surface finish of slick drill collar shall be hot-rolled and mill finished. Spiral drill collar is to do slot turning outside the surface. Spiral groove on drill collar 's OD make the drilling fluid evenly...
API 7-1 Spec 6-3/4" AISI 4145H Spiral DC Drill Collar For Oil Well Drilling Drill collars are extra-heavy integral tools used to concentrate weight onto the drill bit so as to produce sufficient force for the d...
Drill Collar features: • High quality, unique material • Special medium frequency heat treatment method • Meet the requirements of API SPEC7-1 • Aadvanced super magnetic method and mechanical properties •Strict...
... to drill pipe and centralize the drill bit. According to API Spec7-1 specifications, the material quality is 4145H that’s after heat treatment, thread hardening treatment and phosphate to better anti-seize....
... heated to meet or exceed the mechanical property requirements of API Spec.Hardness range of 285-341HB and a charpy “V”notch impact value of 54 joules are guaranteed one inch below the surface When enquiries...
API Spec 7-1 And SY/T5144 Standard Slick Spiral And Non-Magnetic Drill Collars In Various Sizes For Petroleum Drilling ________________________________________ Product overview: The Drill Collar produced and so...
Spiral Non Magnetic Drill Collars Non Magnetic Drill Collar Spiral Drill Collars For Oil Field Equipment Introduction The non-magnetic drill collar is made of low-carbon high-chromium manganese alloy steel. It ...
...'s geomagnetic field when measuring the direction of the borehole, the measuring instrument must be in a non-magnetic environment. However, in the drilling process, the drilling tool is often magnetic and co...
API-certified Casing Centralizer Stop collars 1.Application and characteristic of stop collar: Position device (stop ring or stop collar), called position ring, stop circular, brake ring, etc. It is used to lim...