-
the baker model differential displacing
valve is a hydraulicalty operated
completion valve designed to allow an
operator to flange up the well
贝克
E
型差动循环阀是靠液压操作、
有计划的允许操作工
给井装上法
兰的阀
perform
an
annulus
test
on
a
packer
and
displace
the
tubing
fluid,
Iis
capable
of
holding
a
maximum
of
10000psi
annulus
pressure
while
testing the packer
在封隔器上方完成一个环形空间试验和循环出管柱流体,
当测试封隔<
/p>
器的时候,它最大能承受
10000PSI
的环空压力
when
run
below
a
Baker
Hydrostatic
Single-string
or
Dual
Packer,this
valve may be
used to replace the Hydro-Trip Pressure Sub
provided the
tubing
will
not
have
to
be
pressured
internally
at
any
time
prior
to
opening the valve
当用在一个贝克的液压
的双管或单管封隔器以下时,
这个阀可以用来
代替水力活塞压力
接头,
倘若在任何时间打开阀之前这个接头不承
受内压。
the model valve is
run in the well on the tubing string above or
below a
packer,after
performing
the
packer
test
on
the
annulus,a
preselected
differential
tubing
pressure
forces
the
outer
shifting
sleeve
11
down
shearing
the shear screw(headless brass screw 9)allowing
displacement of
fluid in either
direction
贝克
E
型差动循
环阀用在井眼的油管柱之上或封隔器之下,
封隔器坐
封后,一个
预先选择好的管柱压力施加在外滑套上(序
11
)向下剪
切这个剪切螺钉(无头的黄铜螺钉序
9
)使流
体在任一方向循环。
After the well
fluid has been displaced, the Bakelite Ball(19) is
dropped
down the tubing string and
seated against the Ball seat 3. Application of
approximately 2000psi tubing pressure
shears the shear screw 6 and shifts
the
inner
shifting
sleeve
8
across
the
ports,
thereby,
sealing
the
tubing
from
the
annulus.
The
fingers
on
the
Ball
seat
expand
and
release
the
bakelite ball
井眼内流体循环后,胶木球(序
19
)被投下油管柱贴着球座(序
3<
/p>
)
,
在大约
20
00PSI
的管柱压力作用下剪断剪切螺钉(序
6
)并推动内滑
套(序
8
)通
过循环孔,从而,将管柱和环空隔离开,球座爪张开释
放胶木球。
When
the
model
E
valve
is
run
below
a
baker
double-grip
hydrostatic
single-string
or
dual
packer,
in
lieu
of
a
hydro-trip
pressure
sub,
it
is
permissible
to
release
tubing
surface
pressure
following
or
during
displacement. there
is no danger of prematurely shifting the inner
shifting
sleeve
and
releasing
the bakelite
ball
before
the
packer
sets,
since
both
the
packer
and
the
model
E
valve
’
s
inner
shifting
sleeve
are
always
actuated
当
E
型阀用在一个贝克的双卡瓦液压式单管或双管封隔器下时,
可以
代替一个水力活塞压力接头,
它允许释放管柱内井
口以下的压力或循
环,在封隔器坐封之前释放胶木球,内滑套没有过早移动的危险,封<
/p>
隔器和
E
型阀的内滑套总是平衡的。
p>
By the pressure differential
in favor of the tubing over the annulus at the
valve
这个压力差动有利于阀上面的环形空间。
NOTE:
a
kirksite
ball
is
not
recommended
for
use
with
the
model
E
valve
.use only
a
2.47
Gravity
bakelite
ball.
Use
of
a
kirksite
ball
may
result in
permanent deformation of the
cullet
fingers
and
reduce the
ID
through the tool
注:
一个锌合金的球不被推荐用于
E
型阀,
仅仅能用
2.4
7
″重力胶木
p>
球,一个锌合金的球可能导致爪产生永久变形缩小工具通径。
Applications
应用:
Single-zone completions using
retrievable or retainer production packers
单层完井利用可回收的或承托式采油封隔器。
Zone
isolation
using
a
baker
hydrostatic
single-string
packer
above
a
retrievable or retainer production
packer(not hydraulically set)
层间隔离利用一个可
回收的或承托式采油封隔器(不是水力坐封的)
上方的一个水力式单管封隔器
Dual-zone
completion
using
a
baker
hydrostatic
dual
packer
above
a
retrievable or retainer production
packer
双层完井利用一个可回收的或承托式采油封隔器(不是水力坐封的)
p>
上方的一个水力式双管封隔器
Multi-zone
completion
using
Baker
Hydrostatic
Dual
packers
above
a
retrievable or retainer production
packer
多层完井用一个可回收的或承托式采油封隔器
(
不是水力坐封的)
上
方的一个贝克水力式双管封隔器
Pre-Selecting Differential
Pressure
选择差动压力
Allowance
has
been
made
for
zone
breakdown
pressure
by
varying
the
number
of
shear
screws.
This
determines
the
differential
tubing
over
annulus
pressure
required
to
shift
the
outer
shifting
sleeve
to
open
the