Drill Collar Shell for Oilfield

• Processing Material: Metal, Special Metal, Ss, P550
• Processing Technique: Turning, Drilling, Boring, Milling,Planing
• Product Characteristics: CNC Precision Machining
• Processing Method: According to Drawing and Sample
• Certificate: API
• Customizing: OEM and ODM
• Model NO.: 001
• Price: According to Drawing and Sample
• After-Sale: Provide
• Transport Package: Wooden Packing
• Specification: Per Customer Requirement
• Trademark: Liaoning Tolian Technology Development Co., Ltd.
• Origin: Anshan City, Liaoning Province, China
• HS Code: 8431431000
• Production Capacity: 1000piece/Year

Product Description

The drill collar is located at the lowest part of the drill string and is the main component of the lower drilling tool assembly. Its main feature is large wall thickness, greater gravity and rigidity. In order to facilitate the drilling work, the elevator groove and the slip groove can be machined on the outer surface of the internal thread of the drill collar.
We can customize drill collars of different specifications and models or non-magnetic drill collars according to customer needs.
China Manufacturer LWD/MWD Non-Magnetic Hang sub for well drilling, The following sets of specifications are common specifications and can be processed according to customer requirements.
 
TECHNICAL PARAMETERS

Type	Diameter (mm)	Internal Diameter (mm)	Internal bore length (mm)	Lower-end aperture (mm)	Total leagth (mm)
MWD-121	121	88.2	1590	65	2500
MWD-172	172	111.5	1316	83	2073
MWD-175	175	127.4	1280	76	1690
MWD-203	203	127	1406	83	2048