Drill Collar
Dec 28, 2009
Slick drill collar
Slick drill collar is made of 4145H modified Cr Mo alloy steel, which are manufactured according to API Spec 7 and SY/ T 5144 standard.
We can supply all kinds of connections for our drill collar.
All threads are phosphated, .....
China
Drill Collar
Dec 26, 2009
The collars are made of AISI 4145H forging or finish rolling alloy structural steel.The drill collar are trepanned and drifted to API Spec 7. Grinding crafts adopted finish boring technology eliminates regions of the weld stress concentration, .....
China
Drill Collar
Nov 19, 2009
Product Description：Drill collars are manufactured from AISI 4145H modified steel, according to API Spec 7. A hardness range of 285-341.OD rang from 79.4mm to 279.4mm.length 9150mm ro 9450mm
Product Feature：Drill collars are.....
China
Drill Collar
Nov 13, 2009
1. Slick , Spiral Drill Collar and non magnetic.
2. Fully heat treatment to a brinell hardness 285-341.
3. Made from AISI 4145H modified alloy steel.
4. Inspected to comply with API standards.
5. With Slip or Elevator Groove.
6. Thread root for.....
China
Slick Drill Collar
Nov 03, 2009
The drill collars are made of 4145H modified chromium-molybdenum alloy steel acc. to API Spec.7 and SY/ T5144. All threads can be phosphated, copperised or cold worked. All threads are machined with CNC Lathes-Double-Shouldered and special threads, .....
China
Drill Collar
Aug 25, 2009
Standard: API Spec7
Material: AISI 4145H Alloy Steel and Non-magnetic material
Specification: OD: 3-1/ 8-11
Length: 10-31
China
Drill Collars
Jul 28, 2009
Spiral drill collars are made of 4145H modified chromium molybdenum alloy steel.
Standard: API Spec 7-1...
1. The products are conformity with AP1 SPEC 7 Standard.
2. The heat treatment technique is conducted within the range of full.....
China
Drill Collar
Jul 20, 2009
Drill collars (Type A, B and C) are manufactured according to API and SY/ T standards. Drill Collars (Type A and B) are made of 4145H chromium molybdenum alloy steel, chemical composition and residual elements are well controlled.
Drill collars.....
China
Selling Kelly (square And Hexagonal)
Jul 20, 2009
Origin China
Model Number In all sizes
Brand Name MS
Kellys are made from 4145H modified alloy steel in accordance with API Spec.7 latest edition, which are quenched and tempered along full length.
Tianhe OiL Group Co, .Ltd
China
Integral Heavy Weight Drill Pipe
Jun 12, 2009
Made from AISI 4145H alloy steel and fully heat treated, all its physical properties conform to the latest API Spec 7. Heavy drill pipe is the transition section between ordinary Kelly and drill collar. It can relieve the stress concentration of the.....
China
Supply Drill Collar For Oil Drilling
May 13, 2009
Drill Collar
Standard: API Spec 7
Material: AISI 4145H Alloy Steel or Non-magnetic material
Specification: OD: 3 1/ 8-11
Length: 10-32
Usage: The Drill Collar is used between the drill pipe and the bit in the drill stem. It is used to put.....
Rose Party Co., Ltd
China
Drill Collar
Apr 08, 2009
Standard: API Spec 7
Material: AISI 4145H Alloy Steel or Non-magnetic material
Specification: OD: 3 1/ 8-11
Length: 10-32
Usage: The Drill Collar is used between the drill pipe and the bit in the drill stem. It is used to put weight on the.....
China
Petroleum Drilling Tools As Per API
May 27, 2008
Henan Shenlong Petroleum Drilling Tools Co., Ltd is one of TOP 5 manufacturers producing drill collar, heavy weight drill pipe.
Drill collars we produce is made from 4145H forging or rolling modified steel.Raw Materials are all from Top China.....
China
Drill Collar
May 09, 2008
Drill collars we produce is made from 4145H forging or rolling modified steel. We manage our Production and Inspection Process strictly according to API SPEC 7 requirements. All connections are phosphate-coated to improve resistance to corrosion. We.....
Henan Shenlong Petroleum Drilling Tools Co., Ltd
China
Drill Collar
Feb 29, 2008
Drill collars are manufactured from AISI 4142H-4145H MOD steel and are supplied in the "as rolled surface finish condition. Alternative surface finishes can be provided. Drill collars are trepanned and drifted to API Spec. 7 Full-length.....
China
API 7 Drill Collar
Materials: Drill collars are manufactured from AISI 4145H modified steel, and are supplied in the" as rolled" surface finish condition. Alternative surface finishes can be provided. Trepanning and Heat treatment : Drill collars are trepanned and ...
China
Stabilizer(API)
Intergral blade stabilizer: Shenlongs integral blade stabilizers are manufactured from single bar of AISI 4145H modified steel.Professional forging process guarantee that mechanical properties meet API Spec 7-1.Hardness range of 285-341HB and a charpy ...
China
Drill Collar
Drill collars are manufactured from AISI 4145H modified steel, according to API Spec 7. A hardness range of 285-341.OD rang from 79.4mm to 279.4mm.length 9150mm ro 9450mm Drill collars are manufactured from AISI 4145H modified steel, according to API ...
China
Drill Collar
The collars are made of AISI 4145H forging or finish rolling alloy structural steel. The drill collar are trepanned and drifted to API Spec 7. Grinding crafts adopted finish boring technology eliminates regions of the weld stress concentration, making ...
China
Drill Collar API
Slick drill collar Slick drill collar is made of 4145H modified Cr Mo alloy steel, which are manufactured according to API Spec 7 and SY/ T 5144 standard. We can supply all kinds of connections for our drill collar. All threads are phosphated, cooperised ...
China
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Hot Keywords : A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
Terms of Use - Privacy Policy - Anti-Spam Policy - Safe Trading Tips
Ranked as the most popular site in B2B Marketplace by
and
©Since 1996 EC Plaza Network, Inc. All Rights Reserved. EC Plaza Network : KOREA, CHINA, JAPAN