DiscovOre Prime H Surface

The DiscovOre Prime is a revolutionary coring system developed for drillers by drillers that is safer and faster than other available systems.
 

SAFETY

Like the regular DiscovOre, the Prime has built-in safety features that automatically engage and do not require additional manual steps, making it easier to assemble and disassemble. Lighter by 23% than the regular DiscovOre in H size, the Prime is easier for drillers to handle. 

 

 - No spring pins and no spearhead  - Automatic locking overshot 
 - Robust latches and spindle - Improved conversion head for all hole orientations
 - Improved latch engagement - Stabilized bearing assembly

 

SPEED 

Additionally, the Prime is faster than the DiscovOre, with a descent speed that is up to twice as fast as the L-Latch. Its increased inner tube retrieval speed leads to a quicker drilling cycle time and less wear and tear on wireline.


PRODUCTIVITY

The DiscovOre Prime is a premium product with a payback that can be achieved within a couple of days depending on drilling conditions. Contact your sales representative to inquire about the return on investment specific to your operations. 


DiscovOre Prime H | Assembly part list

  DISCOVORE PRIME H SURFACE

 3760017800

 1

Retracting case

3760017233

2

Assembly bolt

3760017239

3

Wedge lock washer

3760017235

4

Spring - Retracting case

3760017236

5

Assembly rod

3760017228

6

Spring - Latch

3760017237

7

Latch

3760017817

8

Latch body

3760017833

9

Mid body - Surface

3760017820

10

Landing shoulder

3760005150

11

Landing indicator bushing medium

3760017825

12

Chrome ball

3760017829

13

Lower body

3760017814

14

Locknut - Spindle

3760017212

15

Spindle

3760017854

16

Shut off valve - soft

3760017848

17

Valve adjusting washer

3760017851

18

Bearing housing

3760017823

19

Thrust bearing

3760006461

20

Bearing hanger

3760006462

21

Compression spring

3760017821

22

Inner tube cap body

3760017853

23

Inner tube adapter

3760017852

24

Stover locknut

9469705414

25

Ball bearing

3760017234

26

Bearing washer

3760017230

27

Safety pin

3760017291

28

Grease fitting

9469705073

29

Valve spacer

3760017818


DiscovOre Prime H | Case part list

 H case assembly

3760017840

HD Prime head assembly 

3760017800

Retracting case

3760017233 

Latch body 

3760017833

Mid body

3760017820 

Landing shoulder 

3760005150

Lower valve body

3760017814 

Lock nut - spindle 

3760017212

Spindle

3760017854 

Shut off valve - soft 

3760017848

Shut off valve - hard

3760017849 

Bearing housing 

3760017823

Inner tube cap body

3760017853 

NH A3S overshot assembly 

3760017250

NH A3S overshot head assembly

3760017252 

NH A3S spares kit 

3760017265

H spearhead adapter

3760017544 

Needle bar 36” 

3760017739

DiscovOre tool

3760017281 

Overshot receiver 

3760017339

2 3/8” inner tube extension

3760017827 

Inner tube adapter 

3760017852

Small parts kit

3760017885 

Download


Epiroc - Prime-H-surface
Greater speed
Improved safety
Increased productivity



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When we launched the DiscovOre Prime, we took the DiscovOre core barrel system and streamlined its design to make it even faster. We kept the same safety features, and we even made it lighter so it would be easier to handle. This is a premium product for drilling companies who are focused on performance. The investment in the Prime will bring higher production so that the Prime will pay for itself very quickly. But how quickly?

In an earlier blog, we looked at the core barrel assembly, this being the equipment that is used to recover core, and plays a very important role in the diamond drilling operation. The success of an operation depends on retrieving core efficiently and effectively. We looked at the parts of the inner tube of which the head assembly is a part. It is a complex part so it is well worth looking at it in detail.