ACE DRILLING SUPPLIES-Hayden's impregnated diamond bits
are manufactured using high quality raw materials for optimum drilling performance. As a result of our personnel's more than 40
years of experience in the drilling Industry, Hayden can recommend the optimum design for optimum performance in a variety of applications and conditions. Various face profiles,
bonds and diamond qualities are available for superior coring performance and longer bit life resulting in fewer trips in and out
of the hole, reducing costs and improving production. Maximise
drill core recovery and productivity.


 

SPECIFICATIONS

FLUID VELOCITY Fluid flow is another critical variable in optimizing drilling efficiency. The fluid must effectively cool the bit and remove the cuttings from the bit face and then transport these cuttings up the annulus of the hole to the surface as efficiently as possible. Fluid volume should be increased as penetration rates increase. The velocity of the fluid and its carrying ability of the cuttings depend on the fluid viscosity. Generally, cuttings should always have an upward velocity of 4 in/sec. (10 cm/sec).
Too much fluid volume can cause hydraulic lift that seriously affects actual bit weight and consequently drilling performance. If the fluid flow is too low, the bit can wear prematurely due to the abrasive action of the cuttings. In very hard fine-grained formations, fluid velocity can be intentionally reduced to increase matrix erosion to expose new diamonds.

STRING STABILITY In all recommended operating parameters it is important to select a combination of RPM and Weight that minimizes or preferably eliminates drill string vibration.
Factors contributing to drill string vibration are:
• Misalignment of the drill string with the hole
• Operating within critical ranges of the drill string
• Excessive bit weight or rotation speed
• Bent core barrel or rods
• Oversize annulus

ROTATIONAL SPEED RELATIVE TO PENETRATION (RPI) Optimum rotational speeds depend on the formation types being drilled and inter-relationship between the rig capabilities, peripheral equipment being used, and the individual drilling styles.
RPI (revolutions per inch) is singularly the most important factor to consider when trying optimizing bit life and productivity. It is a ratio of the rotational speed (rpm) to the penetration rate. (If the RPI is too low, premature diamond loss from the matrix is very likely. Conversely, if the RPI is too high, it is very likely that the diamonds will become polished and
penetration rates will fall off.)
Maintaining a good RPI ensures that the diamonds stay exposed and that the bit wears at an even and controlled rate. Ideally, the RPI should be between 200 - 250 impregnated drill bits. Factors such as drill string vibration or rig constraints might prevent operating within an optimum RPI range, in which case a lower ratio should be used to optimize the bits performance under adverse drilling conditions.

BIT WEIGHT The weight applied to the drill bit is the other important variable in optimizing bit life and achieving a desired RPI. The weight has to be sufficient to maintain a rate of advance relative to the rotational speed (to keep the bit penetrating), as indicated by the RPI factor. However, a weight that is too high can cause diamond re-impregnation or rapid wear due to stripping or even a mechanical failure of the matrix. Too low of a weight often leads to the diamonds becoming polished, requiring the matrix to be stripped to expose a new layer of diamonds.


 
 


ACE DRILLING SUPPLIES-Hayden's Reaming Shells ensure a 360-degree holes wall contact, which maximizes shell stability. Longer life is therefore achieved due to the smoothness of the drilling and the hold gauge maintained. The diamond pads are reinforced with tungsten carbide inserts on the leading edge, which reduces the erosion of matrix around the diamonds by forcing the abrasive cuttings up the waterways and not allowing it to travel across the face of the diamond pad.


 
 
 


ACE DRILLING SUPPLIES-Hayden's range of Casing Shoes is the cost efficient solution for drilling the insertion of casing. The tough design and reenforced ID and OD gauge makes sure the gauge size is maintained in all the abrasive conditions. The impregnated shoes are available in either the VV profile or flat face. The casing and rod shoes are manufactured with quality raw materials to suit the customer's requirements. These are also available in Heavy Duty and Super Duty.

 
 

HOIST PLUG FEATURES
• Long life thrust bearing provides pivot for ease of connecting, and
reduces hoisting
cable winding during hoisting and lowering.
• 12.5 mm (0.5 in) diameter down-angled vent is incorporated into the body to eliminate
side spray from pressurized dirung fluid.
• Ventless bearing chamber allows for optional oil bath for cold weather operation.
• NW rod box housing connection.


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HOIST PLUG / STANDARD DUTY
EYE BOLT
WEAR SLEEVE
HYDRAULIC GREASE FITTING
BEARING HOUSING
HOISTING PLUG BEARING
HOIST PLUG SHAFT SLEEVE
LOCK NUT
SPRING PIN, 1/4" x 1 3/4"
HOIST PLUG LOWER HOUSING

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HOIST PLUG / HEAVY DUTY
EYE BOLT
30K HOIST PLUG WEAR SLEEVE
HYDRAULIC GREASE FITTING
HOIST PLUG BEARING HOUSING
THRUST BEARING
HOIST PLUG SHAFT SLEEVE
LOCK NUT
SPRING PIN, 1/4" x 2"
HOIST PLUG LOWER HOUSING
 
 

 
STANDARD DUTY WATER SWIVEL
 
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SWIVEL CAP
COMPRESSION SPRING
SWIVEL PACKING
O-RING
WATER SWIVEL PACKING HOUSING
WATER SWIVEL SPINDLE NUT
WATER SWIVEL WASHER
WATER SWIVEL SPACER
RETAINING RING

ANGULAR CONTACT BALL BEARING
WATER SWIVEL SPINDLE EXTENDER
WATER SWIVEL SPINDLE
THRUST BEARING
WATER SWIVEL BODY
HYDRAULIC GREASE FITTING
STANDARD DUTY FEATURES
• #20 NPT hose connection.
• B rod box spindle connection.
• 1-1/4" spindle fluid porting.

HEAVY DUTY (40K) WATER SWIVEL
 
 
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WATER SWIVEL HOIST CAP
COMPRESSION SPRING
PACKING
O-RING
PACKING HOUSING
LOADING NUT
GRUB SCREW
BELLEVILLE WASHER
THRUST WASHER
INTERNAL CIRCLIP
BALL BEARING
EXTENSION SPINDLE
SWIVEL SPINDLE
LOADING WASHER
WATER SWIVEL BODY
HYDRAULIC GREASE FITTING
HEAVY DUTY FEATURES
• #20 NPT hose connection.
• N rod box spindle connection.
• 1-1/2" spindle fluid porting.
 
N OVERSHOT / N EASY LOCK OVERSHOT

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N EASY LOCK OVERSHOT
BOLT CABLE SWIVEL CAP
CABLE SWIVEL COLLAR
THRUST BEARING
CASTLE HEX NUT 1/2" UNF
COTTER PIN 3/32" x 3/4"
HYDRAULIC GREASE FITTING
CABLE SWIVEL BODY
JAR STAFF
JAR TUBE

HEX NUT 3/4" UNC
WASHER 3/4" NORD LOCK
OVER-SHOT CAP EASY LOCK
OVER-SHOT SPRING EASY LOCK
OVER-SHOT SLEEVE EASY LOCK

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COMPRESSION SPRING
BALL 11/32" (2 pieces)
OVER-SHOT HEAD N EASY LOCK
LIFTING DOG SPRING
LIFTING DOG (2 pieces)
PRESS-FIT PIN 1/2" x 1-15/16"
SPRING PIN 1/4" x 1-3/4"
LOCKING PIN
NYLOK SET SCREW 3/8" UNF x 3/4"
SLOTTED LOCKING SLEEVE

N DRY HOLE LOWERING KIT
DRY HOLE OVER-SHOT CAP N
SPRING PIN 1/4" x 1/2" (2 pieces)
SPACER N DRY HOLE LOWERING
 
 
H OVERSHOT / H QUICK PUMP-IN OVERSHOT

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H QUICK PUMP-IN OVERSHOT
BOLT CABLE SWIVEL EYE
CABLE SWIVEL COLLAR
THRUST BEARING
CASTLE HEX NUT 1/2" UNF
COTTER PIN 3/32" x 3/4"
HYDRAULIC GREASE FITTING
OVER-SHOT CABLE SWIVEL BODY
UPPER OVER-SHOT BODY H

SPYROL SHEAR PIN 3/16" x 1-1/8"

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PUMP-IN V-LIP SEAL H
SEAL SEAT H/N
INDICATOR BUSHING
BALL 22mm
OVER-SHOT HEAD H
PRESS-FIT PIN 1/2" x 2-1/8"
SPYROL PIN 1/4" x 2"
LIFTING DOG SPRING
OVER-SHOT LIFTING DOG
 


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CORE BARREL ASSEMBLY N
1.5m / 5ft or 3m / 10ft
HEAD ASSEMBLY N
INNER TUBE N 1.5m / 5ft
or INNER TUBE N 3m / 10ft
STOP RING N
CORE LIFTER N SLOTTED
CORE LIFTER CASE N
LOCKING COUPLING N
ADAPTER COUPLING N
LANDING RING N

OUTER TUBE N 1.5m / 5ft
or OUTER TUBE N 3m / 10ft
STABILIZER N INNER TUBE



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CORE BARREL ASSEMBLY H
1.5m / 5ft or 3m / 10ft
HEAD ASSEMBLY H
INNER TUBE H 1.5m / 5ft
or INNER TUBE H 3m / 10ft
STOP RING H
CORE LIFTER H SLOTTED
CORE LIFTER CASE H
LOCKING COUPLING H
ADAPTER COUPLING H
LANDING RING H

OUTER TUBE H 1.5m / 5ft
or OUTER TUBE H 3m / 10ft
STABILIZER H INNER TUBE

 
CORE BARREL ASSEMBLY N or H
 

CORE BARREL ASSEMBLY parts B N H & P

STOP RING
CORE LIFTER
CORE LIFTER CASE
LOCKING COUPLING
ADAPTER COUPLING
LANDING RING
STABILIZER INNER TUBE



ACE DRILLING SUPPLIES-Hayden's range of Core Lifter Cases.

 

 


ACE DRILLING SUPPLIES-Hayden's range of Locking Couplings.

 

 


ACE DRILLING SUPPLIES-Hayden's range of Adapter Couplings.

 
 
 

 

 

 
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