Pako Plastik

Drill Collar

1. Size: as customer's request

2. Standard: API

9. Certification: ISO9001, API

Product Type:

A. Slick Drill Collar: mainly used to provide bit weight to drill bit so that drill pipe is in tension  

B. Spiral Drill Collar: used to reduce contact area with hole so as to avoid efficiently bit sticking from differential pressure

C. Spiral Drill Collar With Elevator Groove And Slip Groove:  used as lifting sub and safety slip when trip out. The technical parameters for elevator groove and slip groove is as per API SPEC7_1. Hard banding is optional at customers' request

D.Non magnetic Drill Collar: 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

Main Features:

Materials:  structure steel alloy forged or rolled from AISI 4145H.

Processing and thermal treatment of deep holes: Thermal treatment is conducted over the whole length of the products. Its Brinell hardness ranges between 285 and 341. And impact energy of its Charpy V shaped notch can be 40 ft lb at a temperature of 1 inch below the surface of the pipe.

Testing procedures: Testing of surface dimensions and ultrasonic wave and magnetic particle testing over the whole length of a product will be included.

Cold forming of thread bases:Cold rolling must be done for the bolt root and elevator recess of a drill collar. Thus, the bearing capacity of the upper radius will be increased via reducing crack diffusion to increase fatigue strength of a drill collar and extend the service life.
Phosphating or brass plating:Phosphating or brass plating will be conducted for all screw threads to increase their corrosion resistance and avoid thread jamming of drilling tools. 

Screw thread protector: Steel or plastic-steel ring thread protectors are provided for protecdion.

F series Mud Pump

F series mud pump is applicable to the requirement of high pump pressure in oil field and high displacement technology of well drilling with its solid and compact structure, small volume and outstanding operation performance.

F series mud pump has long stroke maintaining operation at lower frequency resulting in enhancing the performance of giving water effectively and prolonging the lifetime of the consumable hydrokinetic parts. The air-suction kit is advanced in structure and reliable at operation to reach the optimized absorbing target of air suction into linepipe.

Oil Field Equipment Drill Stabilizer/Drill Centralizer

â?¢API standard oilfield stabilizers are manufactured from one solid bar of AISI 4145H modifed steel,usually have 3 blade or 4 blades.Professional heat-treatment process gurantees the mechanical strengths meet the requirments of API SPEC7-1.Hardness of 285-341HB can be assured bith 1'' beneath the outer suiface and 4 quadrant across the neck OD.

â?¢Replaceable sleeve stabilizer consists of mandrel and sleeve.The function is the same as spiral integral blade stabilizer.It can suit to different hole size and increase working life by changing the different size sleeve.The sleeve is threaded on the mandrel, so the sleeve can be fasten to the mandrel tightly and changed easily.

Investment Casting  
    1)  Processes:  Silica sol, Complex Shell Process, Water glass.
    2)  Materials:  any grade of stainless steel, Carbon Steel, Alloy steel, iron alloy nickel bases                   
                    and chrome bases, copper,brass and aluminum or according the customerâ??s request 
    3)  Weight:  
       Silica sol: 0.05kgs- 15kgs;  
       water glass:300kgs. 
       
    4) The precision of dimension: CT5-CT7

Forging
  1) Processes: Close Die forging, Open die forging
  2) Materials: 45# steel, 40Cr, 42CrMo, L6 or according to the customerâ??s request.
  3) Weight:: 0.01kgs - 30 tons.
  4) Surface finish:  Anti-rust, Painting, and Powder coating.
  5) We can supply 3.1B EN10204 certification for each parts.
 
The following are some of our forged products for your reference.
 
1.     Shafts
Diameter:  �D1200mm 
Length:    �18000mm 
Material:  9Cr2, 9CrV, 9Cr2Mo, 42 CrMo, 86CrMoV7, MC3, Mc5. etc
 Process: forging
 Heat treatment: quenching + tempering, surface quenching
 
2.      Working roller for cold rolling

Diameter: D60- D500 

      Material: 9Cr2, 9CrV, 9Cr2Mo, 42 CrMo, 86CrMoV7, MC3, Mc5. etc...

      Process: forging

      Heat treatment: quenching + tempering, surface quenching


3.  Supporting roller for cold rolling
Diameter: D240- D900
      Material: 9Cr2, 9CrV, 9Cr2Mo, 42 CrMo, 86CrMoV7, MC3, Mc5. etc
      Process: forging
      Heat treatment: quenching + tempering, surface quenching

Counter Weights

1) Process: Vacuum sand casting

3) Material: EN-GJL-200

4) Weight: Up to 20 tons/pc. 

5) Weight tolerance: +2.5%

6) Output per day: 600 tons

We are also specialized in manufacturing according to supplied drawings.

Rollers Material:2025 NiCr + AISI 321 + AISI 310

1) Materials: HK, HH, HF, HX, 304, 304L, 316, 316L, 1.4879, 2.4879 etc.

2) Length: 1000mm-6000mm

3) OD: 100mm-1200mm

4) Min wall thickness: 3mm

5) Quality: Dimension inspection, Chemical composition analysis, Mechanical property testing ,Dye pen inspection, Statical balance test, UT test etc.