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VE
N-L
UB
E II
A d
rilli
ng fl
uid
lub
rica
nt u
sed
in w
ater
bas
edm
ud s
yste
ms
Non
pol
luti
ngR
ead
ily b
iod
egra
dab
leSo
lidN
onto
xic
(LC
50on
Mys
idSh
rimp
= 96
0,00
0 pp
m)
VE
N-L
UB
E II
Is p
rim
arily
a “
solid
” d
rilli
ng fl
uid
lub
rica
ntH
as g
ood
sec
ond
ary
pro
per
ties
for
see
pag
e lo
ss c
ontr
olN
ovel
in t
hat
it fi
lter
s an
d c
once
ntra
tes
in
the
wal
l cak
e w
here
a lu
bri
cant
is n
eed
ed
Wha
t Is
V
EN
-LU
BE
II?
Surf
ace
mod
ified
,mic
roni
zed
cellu
lose
fib
ers,
whi
ch
have
bee
n p
re-t
reat
ed w
ith
an e
nvir
onm
enta
lly s
afe,
oi
l lub
rica
nt
VE
N-L
UB
E II
Allo
ws
the
lub
rica
nt t
o b
e ca
rrie
d t
o an
d
conc
entr
ated
in t
he w
all c
ake
as t
he fi
ber
s ar
e fil
tere
d
VE
N-L
UB
E II
The
cellu
lose
fib
ers
pro
vid
e th
e ad
dit
iona
l p
rop
erty
of
seep
age
loss
con
trol
in d
eple
ted
sa
nds
whe
re d
i!er
enti
al s
tick
ing
is a
p
oten
tial
pro
ble
m.
VE
N-L
UB
E II
Ben
efit:
The
abili
ty t
o p
lace
the
lub
rica
nt in
to t
he
inte
rfac
e ar
ea o
f th
e b
oreh
ole
whe
re it
will
p
rovi
de
the
mos
t b
enefi
t
VE
N-L
UB
E II
Will
con
cent
rate
into
th
e cr
itic
al in
terf
ace
bet
wee
n th
e fo
rmat
ion
and
the
mud
col
umn.
AP
PLI
CA
TIO
NS
Wal
l Cak
e C
ond
itio
ner
–R
educ
es S
urfa
ce P
erm
eab
ility
–In
crea
ses
Stre
ngth
–
Incr
ease
s F
lexi
bili
ty–
Red
uces
Thi
ckne
ss
TRE
ATI
NG
ME
THO
DS
Pre
trea
tmen
t: 4
-8 lb
/bb
l to
enti
re s
yste
ms
Per
iod
ic s
lug
tre
atm
ents
: 10
-30
lb/b
bl
Hig
h liq
uid
loss
LC
M p
ills:
80
-10
0 lb
/bb
lH
ole
Swee
ps:
10
-30
lb/b
bl
E!
ect
of H
eat
Ag
ing
on
the
Seal
ing
C
hara
cter
isti
cs o
f V
EN
-LU
BE
II
125
lb/b
bl S
lurr
ies
of V
EN
-LU
BE
II w
ere
hot-
rolle
dIn
Tap
wat
er a
t 4
00
oF
Aft
er h
ot-r
ollin
g 8
4 m
l of
aged
VE
N-L
UB
E II
wer
eto
235
ml o
f p
rehy
dra
ted
ben
toni
te s
lurr
y
E!
ect
of H
eat
Ag
ing
on
the
Seal
ing
C
hara
cter
isti
cs o
f V
EN
-LU
BE
IIR
esul
ts:
Sam
ple
Bla
nkIn
itia
l24
Hr
48
Hr
72 H
rTi
me
to
Init
ial S
eal,
sec.
Blo
w o
ut32
1912
8
Cas
e H
isto
ry
Loca
tion
: O!
shor
e Lo
uisi
ana
Dep
th, f
t.:5,
100
' ver
tica
l dep
th w
ith
ang
le b
uilt
at
4°p
er 1
00
' to
ato
tal a
ngle
of
65o
Pro
ble
m:
Exc
essi
ve T
orq
ue a
nd D
rag
Solu
tion
:U
tiliz
e 3
lb/b
bl o
f V
EN
-LU
BE
II t
hrou
gh
the
Mud
Syst
em.
In a
dd
itio
n, o
ccas
iona
lly a
25
lb/b
bl (
25 b
bl)
sw
eep
was
run
. R
esul
ts:
Wel
l was
log
ged
and
casi
ng w
as s
et w
ith
min
imal
torq
ue a
nd d
rag
. As
a re
sult
, the
op
erat
or h
as d
ecid
ed t
oin
corp
orat
e V
EN
-LU
BE
II in
to t
he m
ud p
rog
ram
of
all
futu
re w
ells
as
a p
reve
ntiv
e m
easu
re.
Cas
e H
isto
ryLo
cati
on:
Up
per
Tex
asG
ulfC
oast
Dep
th, f
t.:12
,30
0P
rob
lem
:Lo
w p
ore
pre
ssur
e, F
rio
sand
for
mat
ion
at 1
2,30
0 (
As
det
erm
ined
by
2 re
fere
nce
wel
ls in
the
are
a.)
Solu
tion
:U
tiliz
e 20
lb/b
bl s
wee
ps
of V
EN
-LU
BE
II.
In a
dd
itio
n,a
40
bb
l sw
eep
as
soon
as
the
sand
was
enc
ount
ered
,an
d 4
0 b
bl s
wee
p a
fter
dri
lling
thr
oug
h th
e p
rob
lem
sa
nd a
rea.
Res
ults
:Su
cces
sful
ly d
rille
d t
hrou
gh
the
pro
ble
m s
and
area
.A d
ynam
ic le
ak-o
! t
est t
o 17
pp
g. E
qui
vale
nt w
asth
en r
un. P
ress
ure
and
cir
cula
tion
was
mai
ntai
ned
for
ten
min
utes
wit
h no
loss
of
mud
.Nor
mal
dri
lling
was
cont
inue
d. T
he m
ud w
as w
eig
hted
up
to
cont
rol p
ore
pre
ssur
es e
ncou
nter
ed.
Cas
e H
isto
ryLo
cati
on:
Up
per
Tex
asG
ulf
Coa
stD
epth
, ft.:
11,5
25P
rob
lem
:D
i!er
enti
al S
tick
ing
whi
le m
akin
g a
con
nect
ion.
Thr
eejo
ints
of
dri
ll p
ipe
and
eig
ht d
rill
colla
rs w
ere
left
inho
le.
Solu
tion
:U
tiliz
e 10
lb/b
bl s
wee
p o
f V
EN
-LU
BE
II (
25 b
bl p
ills)
dur
ing
was
hove
r op
erat
ions
.In
add
itio
n, 2
5 b
bl s
wee
ps
per
tou
r w
hile
dri
lling
to
pre
vent
fut
ure
pro
ble
ms
Res
ults
:D
rill
stri
ng w
as r
ecov
ered
. Sw
eep
s w
ere
run
for
3 d
ays
wit
h no
pro
ble
ms.
Aft
er t
he s
wee
ps,
of
VE
N-L
UB
E II
,w
ere
dis
coun
ted
the
pip
e b
ecam
e st
uck
at 1
1,782
’. O
nce
the
pip
e w
as ja
rred
fre
e, s
wee
ps
wer
e re
inst
ated
and
the
wel
l was
dri
lled
to
T.D
. (13
,00
0’)
wit
hout
any
furt
her
di"
cult
ies.
Sum
mar
y
Ven
-Lub
e II
is a
nov
el, n
onp
ollu
ting
, sol
id d
rilli
ng fl
uid
lu
bri
cant
use
d in
wat
er b
ased
mud
sys
tem
s.V
en-L
ube
II ca
n re
duc
e ho
le p
rob
lem
s:–
Lub
rici
ty–
Seep
age
loss
/Flu
id L
oss
–St
uck
pip
e–
Wal
l Cak
e C
ond
itio
ner
Imp
rove
you
r ne
xt w
ell p
rofit
abili
tyG
iveV
en-L
ube
II a
try!
This
is a
Ven
ture
Che
mic
als,
Inc.
Pow
erP
oint
Pre
sent
atio
n
Ava
ilab
le o
n 3.
5 in
ch D
isk
or C
D o
n R
eque
st
2
012