Specification:2-1/2" 2-7/8" 3" 3-1/2" 4-1/4" 5-1/4"
Kellys are the drive section of the whole drill stem.The manufacturing of the products refers to the standard of SY/T6509-2000 or API SPEC.7-1.AISI4145H alloy steel is used in producing the kellys. Kellys'end, drive cross-section and joint are all processed and tested in terms of API.
The SD1000 Full Hydraulic Core Drilling Rig is a robust piece of equipment designed for various drilling applications Lets dive into the details
Application Range The SD1000 crawler drill is primarily used for both diamond bit drilling and carbide bit drilling Its commonly employed in geological exploration mineral prospecting and core sampling
Specifications
Drilling Diameter 56 mm 71 mm 89 mm 114 mm 2 in 3 in 4 in 4 in
Drilling Depth 200 m 400 m 600 m 1000 m 65602 131204 196806 328010
Overall Length Working 5760 mm 227 in
Overall Width Working 2400 mm 94 in
Overall Height Working 9000 mm 354 in
Hole Range 65 89mm
Engine Power 156ps 115kw 2200rpm
Machine Weight 12400 kg 273373 lb
Motor Power 132 kW 17947 hp
The as cold rolled finish on both ID and OD surface with unique technical process strengthen the structure and ensures the tools with optimal resistance to stress, corrosion, cracking and the mechanical performance is greatly enhanced
Drill pipe is made from alloy steel acc. to API Spec.5D. All threads are phosphate plated copper or cold worked. All connection are equipped with pressed steel thread protectors. All threads are machined with CNC Lathes-Double-shouldered and special threads.
bundles ,All connections shall be equipped with pressed steel or plastic steel thread protectors.
Weigao offers a wide variety of drill collar sizes from 3 ¨û¡± - 9 ¨ö¡±, spiraled or slick, and with api connections. All our drill collars are tailored to your specific requirements.
We supply slick, spiral, and non-magnetic drill collars; their sizes are from 3-1/8 to 11 inches.
Weigao drill collar are high quality products which meet the hardest operating conditions. Each collar undergoes strict quality control, more than one hundred checks are made in the course of manufacturing. All mechanical properties meet or exceed the requirements of api spec.7-1 for drill collars.
Weigao drill collars are made of aisi 4145 h modified alloy steel or non-magnetic material. Other grades are available on request. Weigao drill collars are used successfully for sour gas wells. After forging or rolling, the bars are peeled, heat treated, stress relieved, ultrasonically inspected and straightened to api specifications, to ensure that each bar will meet the physical properties.
Bundles , all connections shall be equipped with pressed steel or plastic steel thread protectors.
Description
Integral blade stabilizer
Hekang provides integral straight blade stabilizer, integral spiral blade stabilizer, replaceable sleeve stabilizer, non-rotating stabilizer (rubber sleeve stabilizer), hard facing stabilizer, 3-piece sleeve replaceable stabilizer, float valve stabilizer, spherical stabilizer, variable diameter stabilizer, etc. All above products comply with api spec 7.
Integral 3-spiral blade stabilizer, integral 4-spiral blade stabilizer (string type, near bit type). The working hardfacing surface (also called as wall contact) materials available separately are carbide insert, insert diamond compound, low temperature brazing tungsten carbide slug, surface bead welding abrasive welding rod, etc.
Technical specifications and parameters
(in)(mm)end od
(mm)id
(mm)kit length (mm)connection