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HYDROCLEAN  – REDUCING NON-PRODUCTIVE TIME

Hydroclean drill pipe and heavy weight drill

pipe is a new generation hole-cleaning and

torque-management tool patented by VAM

Drilling. Hydroclean reduces or eliminates

problems associated with cuttings build-up

and excess torque and drag in complex or

non-conventional wells.

Integrally machined on ull length !oints" the

upsets have specially designed grooves or

blades that are the primary eature o

Hydroclean. In these bladed sections" the

combination o rotational speed" low rateand the specially designed angles produce a

number o mechanical and hydrodynamic

eects that signiicantly improve hole-

cleaning and greatly reduce the amount o

non-productive time associated with a build-

up o cuttings.

#hese eects increase the quantity o

cuttings reintroduced into the lowstream"

resulting in a wellbore that cleans up better

and aster. $or the operator" this translates

into improved drilling perormance and

signiicant cost savings.

#he bearing section has a slightly larger %D

and is supplied with a &casing riendly'

hardbanding material. #he slightly larger %D

provides(

● )rotection against borewall damage● )rotection o the bladed section

#hese bearing sections also spread out the

bearing load and improve tool lie. *ach

bearing section is specially designed to allow

easy repair using standard automated

hardbanding machines.+hen properly spaced in the drillstring"

Hydroclean provides(

● ,educed operating costs with

reduction o wiper trips" bacreaming

and sweeps● Improved hole-cleaning eiciency

/012" reduction in torque-and-drag

loads 3012 and improved ,%) 4512● %ptimi6ed hydraulics and pressure

management" reduction o pressure

losses by more than 501.

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HYDROCLEAN  – REDUCING NON-PRODUCTIVE TIME

Hydroclean drill pipe is manuactured with

welded construction and comprised o

patented dual %D tool !oints and three

specially designed central upsets machined

directly onto the pipe body. Hydroclean heavy

weight eatures a mono bloc construction

consisting o patented dual %D tool !oints

with two extra length central upsets and the

Hydroclean proile machined directly onto thepipe body. 7oth products are available in

,ange 4 and ,ange 3 lengths.

Hydroclean drill pipe is suitable to run with

standard handling equipment and is

designed

Patented dual OD

tool jont

to be integrated directly into the drillstring.

)lacement recommendations are available

rom any VAM Drilling regional oice.

Hydroclean heavy weight drill pipe is run with

conventional heavy weight drill pipe. #he

rugged design o the two extended

Hydroclean sections maes it ideally suited

to assist with hole-cleaning in the 7HA.*xperience has shown that placing

Hydroclean heavy weight drill pipe as near as

possible to the large %D 7HA components

will signiicantly reduce the ris o pac-o in

this critical area.

!"e#all$ de%&ned &'oo(e% )"'o(e

#uttn&% t'an%"o't e**#en#$

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HYDROCLEAN  – CON!TRUCTION DATA

  !,e

eatu'e .n .-1/2 n .-0/ n -./ n

A 3od$ OD .4 .-1/24 .-0/4 -./4

3 3od$ ID 54 5-1/24 5-+/54 .-./14

C Tool 6ont OD -./4 04 0-1/54 4

D Tool 6ont ID 7NC .89: +4 +-1/24 5-+/4 5-1/54

E Dual OD 04 0-+/54 4 -+/54

Dual OD Len&t; .-1/24 .-1/24 .-1/24 .-1/24

G 3ea'n& <one Len&t; 4 4 4 4

H 3ea'n& <one OD 04 0-+/54 4 -+/54

124 124 124 124

-1/24 0-1/54 0-1/24 -1/54

= Cent'al U"%et !"a#n& 0>-4 0>-4 0>-4 0>-4

L 6ont Len&t; +1> +1> +1> +1>

D)en%onal Data – H$d'o#lean D'll P"e

I H$d'o#lean Len&t;

6 Ma?@ H$d'o#lean OD

  !,e

eatu'e .n .-1/2 n -./ n

No) nal OD .4 .-1/24 -./4

Conne#ton NC.8 H H

Tue ID +4 +-+/54 5-1/24

Cent'al U"%et OD -./4 04 4

Tool 6ont OD -./4 04 4

Tool 6ont ID +4 +-+/54 5-1/24

Be&;t 7l/*t9 .0@0 1@. 2@0

Len&t; 7*t9 +1> +1> +1>

D) en%onal Data – H$d'o#lean Hea($ Be&;t

Hydroclean Hydroclean

Heavy +eight