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Milled Rotary Kelly Flats In Oil Drilling Equipment Per API Spec

Milled Rotary Kelly Flats In Oil Drilling Equipment Per API Spec

rotary kelly flats

rotary oil drilling equipment

Place of Origin:

China

Brand Name:

xi'an rig

Certification:

API 5DP

Model Number:

3

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Product Details
Type:
Drilling Machinery
Percussion Oil Flux:
30-35I/min
Maintenanceinterval:
Every 500 Operational Hours
Model:
BH26
Powersource:
Diesel/Electric
Working Temperature:
Up To 120 ℃
Diameter:
1.5-24inch
Main Website:
Www.kosunservices.com
Impact Energy:
55-60J
Hole Diameter:
32-50mm
Controlsystem:
Automated/Manual
Application:
Oil And Gas Industry
Rotaryspeed:
50-120 RPM
Torque Force:
50-55Nm
Power:
11kw
Highlight:

rotary kelly flats

,

rotary oil drilling equipment

Payment & Shipping Terms
Minimum Order Quantity
1
Packaging Details
Wooden case
Delivery Time
1 Months
Payment Terms
L/C,T/T
Product Description

Oil Drilling Equipment with precision milled Rotary Kelly flats meeting API specifications for and consistent drill string performance

1. Oil drilling rotary kelly with precision milled drive flats, manufactured to API specifications to deliver stable and consistent drill string performance during oil & gas rotary drilling.
2. API compliant rotary kelly with precision-milled flats. It transfers torque reliably and maintains steady drill string performance for oilfield drilling rigs.
3. Precision milled rotary kelly flats ensure accurate fit with kelly bushing, meeting API standards and guaranteeing consistent drill string operation.

A Comprehensive Introduction to Oil Drilling Equipment

 

Oil drilling equipment is the core complete-set machinery for oil and gas exploration and development — a large-scale, heavy-duty industrial equipment cluster integrating mechanical, hydraulic, electrical, automation and fluid-control technologies. Its core function is to drill wellbores into the formation, penetrating different geological strata to locate underground oil and gas reservoirs and build production channels for oil and gas extraction. It is widely applied across various oil and gas operation scenarios, including onshore, desert, swamp and offshore environments. The drilling equipment system as a whole is structurally complex, with clearly divided functions and coordinated operation. By function, it can be divided into five major sections: the eight core systems, the downhole drill-string assembly, well-control safety equipment, solids-control supporting equipment and auxiliary support equipment. All equipment is precisely matched and operates in synergy, ensuring that drilling operations are carried out efficiently, safely and continuously.

When ordering please specify:of Oil Drilling Equipment

  • Kelly type (square or hexagonal);
  • nominal size and overall length;
  • Upper and lower connections.
Nom Size (in) Standard O.D.(in) Bottom Connection‑Hex. O.D.(in) I.D.(in) Drive Section(in)
  Standard O.D.(in) Optional O.D.(in) Square O.D.(in) Hex. O.D.(in) Square Hex. A B
2 1/2 6 5/8 REG LH 7 3/4 4 1/2 REG LH 5 3/4 NC26 3 3/8     1 1/4 3 1/4  
3 6 5/8 REG LH 7 3/4 4 1/2 REG LH 5 3/4 NC31 4 1/8 NC26 3 3/8 1 3/4 1 1/4 3 3/8 3 3/8
3 1/2 6 5/8 REG LH 7 3/4 4 1/2 REG LH 5 3/4 NC38 4 3/4 NC31 4 1/8 2 1/4 1 3/4 4 7/16 3 15/16
4 1/4 6 5/8 REG LH 7 3/4 4 1/2 REG LH 5 3/4 NC46 6 1/4 NC38 4 3/4 2 13/16 2 1/4 5 1/2 4 25/32
4 1/4 6 5/8 REG LH 7 3/4 4 1/2 REG LH 5 3/4 NC50 6 3/8 NC38 4 3/4 2 13/16 2 1/4 5 1/2 4 25/32
5 1/4 6 5/8 REG LH 7 3/4   5 1/2 FH 7 NC46 6 1/4 3 1/4 3 6 3/4 5 29/32
5 1/4 6 5/8 REG LH 7 3/4   NC56 7 NC50 6 3/8 3 1/4 3 1/4 6 3/4 5 29/32
6 6 5/8 REG LH 7 3/4     5 1/2 FH 7   3 1/2   6 13/16
6 6 5/8 REG LH 7 3/4     NC56 7   3 1/2   6 13/16

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