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Патент USA US3082835

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March 26, 1963
A. B. HANNER, sR
3,082,825
LOW PRESSURE PACKER MANDREL
Filed April 12, 1960
2 Sheets-Sheet 1
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INVENTOR.
41741674545
March 26, 1963
I
A. B. HANNER, SR
3,082,825,
LOW PRESSURE PACKER MANDREL
Filed April 12, 1960
2 Sheets-Sheet 2
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IN VEN TOR.
417%911575
United States Patent
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Patented Mar. 26, 1963
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1
vided with a plurality of spaced apart apertures or open
ings 19 therein and there is also provided an inlet port 20
which communicates with the interior of the section 13.
The numerals 21 and 22 indicate a pair of resilient cups
3,082,825
LOW PRESSURE PAGKER MANDREL
Arthur B. Hanner, Sr., PA). Box 15, Oil City, La.
Filed Apr. 12, 1960, Ser. No. 21,716
3 Claims. (Cl. 166-485)
UK
which are mounted on the section 14 and these cups 21
and 22 may be held in place by retainers 23, the outer
peripheral portions of the cups 21 and 22 engaging the
inner surface of the casing 10.
This invention relates to a means for lifting gas, oil,
water or the like from wells such as wells which have been
Mounted within the section 14 is a support member 24
drilled in the ground.
The object of the invention is to provide an apparatus 10 which is provided with a lower port or passageway 25,
which will facilitate the removal of various substances
such as ?uids, or gases from wells such’ as oil wells, gas
and the interior of the support member 24 is hollow so
as to provide a chamber 26. A valve seat 27 is mounted
wells, water wells, or the like.
Another object of the invention is to provide a packer
in the lower portion of the support member 24, and there
is provided a curved recessed portion 28 in the member
for such an apparatus which can work with small com
15 27 for at times receiving a movable ball or valve 29, the
ball 29 being movably mounted in the chamber 26, and
wherein there is also provided a stop pin 30 for limiting
pressors so as to permit the pumping operation to be
economically and easily carried outand wherein a natural
lift is utilized in order to further increase the efficiency
upward movement of the ball 29, FIGURE 1.
The section 15 ‘of the tubing 11 is provided with upper
with which the material flows from the bottom of the
20 and lower rows of apertures or openings 31 which are
well to containers such as tanks or reservoirs.
augul-arly disposed, and there are also provided upper and
A still further object of the invention is to provide a
lower ‘annular shields 32 which surround the openings 31,
low pressure packer mandrel which can be used for
the shields 32 being shaped to include inner spaces or
economically lifting gas, oil, water or the like from wells
passageways 33 which are in communication with the
and wherein ?ow from such wells can be boosted, the
present invention utilizing a simpli?ed construction so 25 openings 31 and also in communication with the space
between the casing 10 and the tubing 11 above the mem
that complicated parts are eliminated wherein there will’
ber 22. The upper and lower shields 32 are intercon
be a low initial cost and a long ef?cient life for the mech
nected .‘by means of a plurality of vertically disposed
anism, the present invention being adaptable for either
spaced parallel hollow tubes or rods 34 and the tubes 34
continuous or intermittent ?ow operation.
A further object of the invention is to provide a low 30 serve to establish communication between the passage
ways in the upper and lower shields 32.
pressure packer mandrel which is extremely simple and in
Referring now to FIGURES 8, 9, and 10 of the draw-1
expensive to manufacture.
ings, there is illustrated a modi?cation ‘wherein a bushing
Other objects and advantages will be apparent during
35 may be used for connecting sections such as the sec—
the course of the following description:
tions 15 and 16 of the tubing together. The bushing
35 is provided with a plurality of spaced apart ports or
openings 36, and a shield 37 of annular formation is
ignate like parts throughout the same,
mounted on the bushing 35 in alignment with the open
FIGURE 1 is a longitudinal vertical sectional view
ings 36. The shield 37 is provided with an inner passage
taken through the present invention.
FIGURE 2 is a fragmentary perspective view, with 40 way 38 therein that communicates with the openings 36.
As shown in FIGURE 10 for example, there is also pro
parts broken away in section, illustrating certain construc
vided a guide member 39 which includes an upper tapered
tional details of the present invention.
surface 40 that is provided with a plurality of spaced apart
FIGURE 3 is a sectional View taken on the line 3-3
In the accompanying drawings, forming a part of this
application, and in which like numerals are used to des
of FIGURE 1.
FIGURE 4 is a sectional view taken on
of FIGURE 1.
FIGURE 5 is a sectional view taken on
of FIGURE 1.
FIGURE 6 is a sectional view taken on
of FIGURE 3.
FIGURE 7 is a fragmentary plan view
the line 4—4
the line 5—-5
45
inclined slots 41, for a purpose to be later described.
From the foregoing, it is apparent that there has been
provided ‘an improved lower pressure packer mandrel
which is especially suitable for use in the withdrawal of
?uids such as oil, water, gas, or the like from wells.
the line 6—-6
of the upper
shield, and with parts broken away in section.
FIGURE 8 is a fragmentary sectional view illustrating
a modi?cation of the connecting means.
FIGURE 9 is a sectional view taken on the line 9—9
The present invention is adapted to operate in deep or
shallow wells and the parts can be made of any suitable
material and in ‘different shapes or sizes, and the mate
rials may be of the type which is not affected by oils,
gases, or the like.
The lift nipples or section 15 of the
present invention will ?t packers of different sizes or
con?gurations and various types of tools can be used
in conjunction with the present invention such as well
of FIGURE 8.
testing tools, cementing tools, sand pump pistons, per
FIGURE 10 is an elevational view of the guide member
foration cleaners, production packers, Pushers, testers,
for use with the modi?cation of FIGURE 8.
Referring in detail to the drawings, the numeral 10 60 and the like. The cups 21 and 22 serve to provide an
automatic seal so as to pack 01f and hold pressure on
indicates a casing, FIGURE 1, while the numeral 11 in
the side that the lift is pointed so as to function as a
dicates a tubing which is arranged within the stationary
casing check valve. These members 21 and 22 may be
casing 10, and the tubing 11 may be reciprocated or
made of resilient material which is resistant to oil and
moved up and down by a suitable conventional mecha
nism in the usual manner as for example when gas, water, 65 gas and the cups may be reinforced with spring steel
wires or the like. The present invention is adapted to
oil or the like are being withdrawn from the ground. The
tubing 11 includes a plurality of cylindrical sections such
as the sections 12, 13, 14, 15, and 16 which are coupled
be used in conjunction with other types of conventional
gas or ?uid lift theories or practices so that for example
?owing well production can be boosted, and wherein the
70 parts are constructed so that they will have a long wear
ing life with a minimum amount of maintenance require
The section such as the section 13 is provided with a
ment and wherein a high degree of safety is assured. The
gas jet 18, FIGURES 1, 2, and 5, and the jet 18 is pro
or connected together as for example by means for bush
ings or connectors 17.
‘
3,082,825
3
A.
casing 10 is stationary, and the tubing 11 is adapted to
the ?uid is exhausted in this cavity the air or gas pres
sure going in this spin creates suf?cient vacuum with
the help of the gas jet 18 to draw oil up through the tail
be‘worked up and down by a conventional mechanism
in order to bring about the withdrawal of the ?uid or
gas from the well. As the tubing 11 moves downwardly
pipe or section 112 a distance as for example a distance
for example, ?uid such as oil will pass upwardly through
the passageway 25, as for example when the ball 29 is
in the position of FIGURE 1 and the ball 29 is mounted
of sixty (60) feet.
for movement into and out of open and closed relation
shields or rings have a cavity 33 therein so that gas can
The jet shields 32 consist of a ring which may be se
cured as by welding to the nipple v15 and each of these
with respect to a seat 23 so that a column of oil can be
enter under the shield and then enter the opening 31
lifted on each stroke. Gas from the well can pass up 10 which may be arranged at an angle of approximately 45
through the casing 10, and then pass through the jet 18
degrees. The top and bottom shields 32 may have sub
so as to enter the interior of the section 13 through the
medium of the port 20. The openings 31 are arranged
at an angle so that with the hollow tubes 34 connecting
stantially the same construction and these shields are
connected by spinning tubes 34 which connect the cavities
33 in the top and bottom shields together and in the event
that any of the openings at the bottom of the shields be
come clogged, the tubes 34 will supply the necessary jet.
The nipple 13 may be approximately ten (10) inches
long and may have an opening drilled straight in and
there is provided the shield 18 which serves to keep
the shields 32 together, and with the shields provided
with the passageways 33, it will be seen that the material
which passes inwardly and upwardly through the open
ings 31 will be given a spiral movement which is advan
tageous or desirable.
The nipples of the present invention are adapted to 20 trash from clogging this opening which is indicated by
the numeral 42. There are no moving parts for the nip~
ples and the only part that moves is the ball 29 in the
pressure than has been possible heretofore and also cor
stand valve.
rosion will be kept down to a much less degree than with
high pressure. In order to install the nipples, it is neces'
In the modi?cations of FIGURES 8, 9, and 10, a metal
sary to run the tubing in the casing with the nipples at N) ring or member 39 has slots 41 cut diagonally on the up
per slope’40 and this member is placed between sections
tached to the packer of the user’s choice so long as the
such as the sections 115 and 16 and is held in place by
packer will seal off the tops and bottom of the well.
the coupling 35, the coupling 35 being perforated as at
The nipple or section r15 is installed as close to the
36 and it will be seen that this modi?cation accomplished
top of the packer as is possible, and the nipple 13 is in
stalled directly below the packer and for best results the 30 the same result as the arrangement shown in FIGURE 6
so that it will be seen that various modi?cations are pos
packer is lowered to ?uid level. If the casing is set open
sible. The present invention has been made as a nipple
ended, it is advisable not to let the packer pass out at the
assembly so that it will ?t any type or make of packer.
bottom of the casing. If the casing is set through the
In actual practice, the ?uid can rise from the well and
producing area and shot out or ripped in a production
go through the tubing above the packer and can then go
zone, it is necessary that none of the openings in the
through the ?uid jets 31 and out into the casing and this
casing be passed since this will cause a loss in pressure
is done while no pressure is being put on the well. How
between the casing 1t} and section such as the section 16,
ever, the rise of ?uid under the packer compresses the
and the packer should not be stationed at a point below
gas ready to be discharged through the jets when ?uid
the openings or perforations in the casing. The casing
moves in the mandrel. The packer operates on low pres
must be sealed off at the top by the casing head with two
force oil or water out of the ground at a much lower
l
valves on either side of the casing head so as to leave a
sure so that small compressors will suf?ce which will per
mit the operation to be carried out inexpensively and
space to build pressure between the casing 10 and tubing
easily. When pressure as for example pressure from
11. If the well has su?icient pressure and volume to sup
ninety to one hundred and ?fty pounds (150), due to
port the ?ow, no compressor is needed.
the amount of accumulation of ?uid in the reserve, is put
In use, the tubing 11 may be closed or left open above
on the, casing ‘10, the valve 29 will open, as shown in
ground level, and as the ?uid or gas pressure rises it will
FIGURE 11 so that compressed gas will go through the
compress the gas between the top of the ?uid and the bot
, jet, and will be mixed with the ?uid which will give some
tom of the packer. Fluid may also rise in the tubing 11
natural lift and the spinning motion which is imparted
through the tail pipe sections 1-2 and 13 below the nipple
such as the nipple 13 on up through the stand valve 50 to the ?uid and gas will provide increased lift also. Thus,
due to the provision of the angular openings 31 or due to
which includes the ball 29 into the spinner nipple l5 and
the provision of the slots 41 and their associated parts,
then through the spinner jets and into the cavity or space
the ?uid is given a whirling motion which is advanta
between the casing 10 and tubing 11. The rise of ?uid
geous for the previously described reasons.
and gas will build up pressure in the cavity between the
In actual practice, the tubing 11 can be closed or left
tubing and easing.
open depending upon the operator’s choice. If the well
When the tubing 11 is opened to a pressure above
is operating on its own pressure, then it would be advis
ground level pressure, the ?uid in the tubing 11 will be
able to close the tubing 11, but if by compressor, then
released so as to cause the ?uid to rise. Pressure above
in most cases the tubing 11 should be left open above
the ?uid in the cavity between the tubing and casing will
push the ?uid down through the spinner jets 31 which 60 ground level as it will allow more ?uid to rise above the
ball 29.
causes the ?uid to spin in a counterclockwise upwardly
The rise of ?uid below the packer cup 21 (with tubing
direction so as to create a vacuum which will open the
11 opened or closed) compresses the gas to operate the
valve 29, as for example as shown in FIGURE 1 and
gas jet ‘18 which in turn determines the load on the spin
then the gas jet 13 begins to load so as to pass ?uid with
ner jets ‘31 and the passage of ?uid spinning upward
the gas which also pus es the ?uid up through the stand
through the tubing 11. If the load gets too heavy, the
valve assembly including the support member 24 to the
spinner jets 31 will slow down and allow the gas jets
spinner jets 31 where it begins to spin and this mixes oil,
18 to inject more gas into the ?uid going up through
water and gas which lightens the load.
the tubing 11. This spinning action pulls the ?uid up
When the ?uid contained in the cavity between the
through the tail pipe and the amount of pressure con
casing and the tubing has been pushed back into the tub
tained in the bottom of the well (when operating on its
ing, su?icient gas has been compressed to keep the ?uid
own pressure) or (the amount of pressure contained be
spinning.
tween the tubing 11 and the casing 10 above the packer
‘If the Well does not have su?icient pressure to ?ow it
when the compressor is used) determines how fast the
self than a compressor is set at ground level which pres
spinning action is.
sures the cavity between the casing and the tubing. When
3,082,825
5
The pin 30‘ is used in non-standard packers that have
no seat for regular stand valves, pin keeps the ball from .
going out through the tubing 11. If a standard size
tubing 11 is used, then a packer can be used with a seat
ing nipple and a regular stand valve which is sometimes
referred to as a drop valve and these are readily avail
6
there being a passageway in the lower end of said sup
port member, a valve seat contiguous to said passage
way, a ball mounted for movement into and out of open
and closed relation with respect to said valve seat, a
stop pin above said ball, a section of tubing above said
?rst named section of tubing which is provided with
upper and lower openings therein, upper and lower an
nuiar shields surrounding said last named section of tub—
able, and this valve has screwed on top of it a cage that
prevents the ball from going on up the tubing 11 when
the spinner jets 31 are at work.
ing adjacent said openings, there being passageways in
Minor changes in shape, size and rearrangement of 10 said shields connected in communication with said upper
details coming within the ?eld of invention claimed may
and lower openings and with the annular space between
be resorted to in actual practice if desired.
said casing and said tubing above said cups, and hollow
What is claimed is:
tubes connecting the passageways in said upper and lower
shields together, said openings being arranged angularly
‘l. In a device of the character described, a vertically
disposed well casing, a tubing arranged in said casing 15 in said section of tubing.
and including a plurality of cylindrical sections coupled
3. in a device of the character described, a vertically
together, a pair of resilient cups mounted on one of the
disposed well casing, a tubing arranged in said casing
sections of tubing, said cups being adapted for sealing
and including a plurality of cylindrical sections coupled
contact with the inner surface of said casing, and said
together, a pair of resilient cups mounted on one of the
cups having closed ends which are adjacent each other, 20 sections of said tubing and said cups having closed ends
a support member positioned in said one section of
which are adjacent each other, said cups being adapted
tubing and having a hollow interior which de?nes a
for sealing contact with the inner surface of said casing,
chamber, there being a passageway in the lower end of
a support member positioned within said one section of
said ‘support member, a valve seat contiguous to said
tubing and having a hollow interior which de?nes a
passageway, a ball mounted for movement into and out 25 chamber, there being a passageway in the lower end of
of open and closed relation with respect to said valve
said support member, a valve seat contiguous to said
seat, a stop pin above said ball, a section of tubing above
passageway, a ball mounted for movement into and out
said ?rst named section which is provided with upper
of open and closed relation with respect to said valve seat,
and lower openings therein, upper and lower annular
a stop pin above said ball, a section of tubing above said
shields surrounding said last named section adjacent said 30 ?rst named section which is provided with upper and
openings, there being passageways in said shields con
lower openings therein, upper and lower annular shields
nected in communication with said upper and lower open
surrounding said last named section against said openings,
ings and with the annular space between said casing and
there being passageways in said shields connected in
said tubing above said cups, and hollow tubes connect
communication with said upper and lower openings and
ing the passageways in said upper and lower shields to
with the annular space between said casing and said tub
gether.
ing above said cups, and hollow tubes connecting the
2. In a device of the character described, a vertically
passageways in said upper and lower shields together,
disposed well casing, 21 tubing arranged in said casing
and including a plurality of cylindrical sections coupled
said openings being arranged angularly in said sections of
tubing, there being an apertured member in one of the
together, a pair of resilient cups mounted on one of the 40 lowermost sections of the tubing.
sections of tubing, said cups being adapted for sealing
contact with the inner surface of said casing, and said
cups having closed ends which are adjacent each other, a
support member positioned in said one section of tubing
and having a hollow interior which de?nes a chamber, 4
References Cited in the ?le of this patent
UNITED STATES PATENTS
1,73 9,041
2,912,053
Ragiand _____________ __ Dec. 10, 1929
Breukelman __________ .. Nov. 10, 1959‘
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