Rock Drilling Tools

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Website: http://rockdrilltool-en.com/connection-adapters-1-7-2.html

Typical Applications

Oil well drill pipes play a critical role in oil and gas drilling operations as well as geological exploration projects.

Natural gas drilling projects

Oil well drilling projects

Technical Specifications

Model	Upper fittings	Lower fittings	Type
Kelly adapter	Kelly	Drill pipe	Type A or B
Drill pipe adapter	Drill pipe	Drill pipe	Type A or B
Conversion joint	Drill pipe	Drill collar	Type A or B
Drill collar adapter	Drill collar	Drill collar	Type A or B
Drill bit adapter	Drill collar	Drill bit	Type A or B
Swivel adapter	Swivel lower sub	Kelly	Type C
Fishing tools adapter Fishing tools adapter	Kelly	Drill pipe	Type C
Fishing tools adapter Fishing tools adapter	Drill pipe	Fishing tools	Type C

Note:
Type A: Straight type
Type B: Reducing type
Type C: Left-hand type

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What materials are used for the DTH drill pipes?

The standard material configuration for our DTH drill pipes is as follows:

Tool joints: 42CrMo alloy steel
Pipe body: R780 steel

Other material combinations can be customized based on specific application requirements.

How should drill pipe length be selected?

Drill pipe length is typically selected according to the drilling rig specifications and operating conditions. Common standard lengths include 1.5m, 3m, and 6m. Custom lengths can also be manufactured upon request.

How should DTH drill pipes be maintained?

To extend service life and maintain reliable performance, we recommend the following maintenance practices:

Apply an appropriate amount of thread grease to the joints before each use
Clean the drill pipes after operation to remove mud and debris
Inspect drill pipes regularly and promptly repair or replace damaged or deformed components
Store drill pipes away from heavy loads and high-humidity environments to prevent deformation and corrosion

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Leveraging many years of global field experience to provide perfectly matched drilling tools, drill rigs, and air compressors for your toughest projects.