US260803A - Artesian vacuum-well - Google Patents

Artesian vacuum-well Download PDF

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US260803A
US260803A US260803DA US260803A US 260803 A US260803 A US 260803A US 260803D A US260803D A US 260803DA US 260803 A US260803 A US 260803A
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water
casing
well
pipe
vacuum
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/12Methods or apparatus for controlling the flow of the obtained fluid to or in wells
    • E21B43/121Lifting well fluids
    • E21B43/13Lifting well fluids specially adapted to dewatering of wells of gas producing reservoirs, e.g. methane producing coal beds

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  • This invention is intended as an improvement in wells formed with'an air-tight casing having an exhausted space above the water for the purpose of inducing an atmospheric pressure upon the water-supplying veins or strata, and is designed as a means of adapting the principles of operation patented to me VOctober 26, 1880, to soil where a reservoir is impracticable or where it is .desirable to extract the water from strata at different levels.
  • VTo eii'ect this object I employ a casing perforated at the respective points where the water is to be taken from the strata, and where a quicksand or other flowing sand liable to injure pumping machinery is found I combine Awith such casing a suction-pipe, drawing its water through openings in its sides, Vand cover the openings by screens adapted to exclude such sand.
  • Fig. 2 is a central section of one ot y cured than is lattainable at the end of the pipe. This is especially desirable, as I cover the suction-openings with strainingcloth or perforated metal for excluding the sand in such cases, as shown at E, which obstructs the water-openin gs somewhat and necessitates a large suction area to secure afree passage into the pipe. 1
  • the mode of applying the perforated metal is shown in Fig. 3, e being sticks inserted in side the sheet metal, which is formed in along strip and wound spirally around the pipe out- 'side the sticks.
  • the sticks e ribs of metal may be formed upon the outside of the pipe if cast, and the perforations d' in the pipe itself may be cast in or drilled orvpunched if wrought pipe be used.
  • the various strata may be examined inadvance and the casing prepared so as to admit the water only at the desired points.
  • Such casing would be preferably made tight at its upper part to exclude the surface-water, and is shown formed with a llange, f, at its upper end, resting upontimbers F to prevent settling.
  • the desiredvacuum may be maintained for the'purpose of ⁇ increasin g the ow oi' water into the well, as
  • the Water may be found in strata not more than thirty feet below the level of the pumping apparatus, and the entire system is therefore especially adapted to localities along water-courses and sea-shores, where the soil is filled with water quite near the surface, and where fine or quick sand is likely to be found. It may, however, be applied to locations where the water-bearing strata lie more than thirty feet below the surface by sinking the pump inside the casing to the required depth.
  • the arrangement of the apertures bin the casing is shown in Fig. 1, where Gr is the surface-stratum through which the casing passes unperforated.
  • H is the first Water-bearing stratum,com municating with the interior of the casing by the apertures b.
  • I is a succeeding stratum, through which the casing is unpert'orated, and H is asecond stratum, from which it is desired to take water.
  • This stratum is shown extending to the bottom of the casing, which is therefore perforated with apertures b to its lower end.
  • These apertures may be cast in the casing, or punched, if made of wrought-iron, and are preferably in the form of narrow slits to eX- clude sand or fine gravel and admit the water, unmixed, as nearly as possible, with other matters.
  • I have shown a plate, L, placed beneath the end of the suction-pipe D for filling almost entirely the opening at the bottom ot' the casing.
  • the plate may, if preferred, be bolted to a flange upon the end of the pipe I), or may be secured to an internal flange attached to the end of the casing.
  • my present invention is intended to secure a large suction area in contact with the strata where the latter will not permit the formation of a reservoir by reason of their loose or flowing character.

Description

lD. H. TIGRE-NOR... y ARTESIAN VACUUM' WELL.
(No Model.)V 1
Patented Ju'ly 171.,
N. PETERS. Plwlvlhhognpbtr. wahingiun. D. C.
UNITED rSTAT-Esa PATENT OFFICE.
DAVID HQTIGHENOE, oF NEWARK, NEW JERSEY.
ARTESIAN VACUUM-WELL.
SPECIFICATION formingpart of Letters 11ate111'.v No. 260,803, dated July 11, 1882.
Application filed May 10,1882. (No model.)
To all whom it may concern Be it known that I, DAVID H. 'IIOHENOR, a citizen of the United States, residing,r in the city of Newark, county of Essex, and State of New Jersey, have invented certain new and useful Improvements in Artesian Vacuum- Wells, fully described and represented in the following specification and the accompanying drawings, forminga part of the same.
This invention is intended as an improvement in wells formed with'an air-tight casing having an exhausted space above the water for the purpose of inducing an atmospheric pressure upon the water-supplying veins or strata, and is designed as a means of adapting the principles of operation patented to me VOctober 26, 1880, to soil where a reservoir is impracticable or where it is .desirable to extract the water from strata at different levels.
VTo eii'ect this object I employ a casing perforated at the respective points where the water is to be taken from the strata, and where a quicksand or other flowing sand liable to injure pumping machinery is found I combine Awith such casing a suction-pipe, drawing its water through openings in its sides, Vand cover the openings by screens adapted to exclude such sand.
My device will be understood by reference to the annexed drawings, in which Figure lis a section of` a well constructed with my improvements, the suction-pipe not being sec; tioned, butshown vwith the covering of perforated metal applied to the lower three joints of pipe. the same joints, showing the interior perforations and the external screen in section. Fig. 3 is an enlarged view of part of one pipe, showing the mode of applying the screen; and Fig.
Fig. 2 is a central section of one ot y cured than is lattainable at the end of the pipe. This is especially desirable, as I cover the suction-openings with strainingcloth or perforated metal for excluding the sand in such cases, as shown at E, which obstructs the water-openin gs somewhat and necessitates a large suction area to secure afree passage into the pipe. 1
The mode of applying the perforated metal is shown in Fig. 3, e being sticks inserted in side the sheet metal, which is formed in along strip and wound spirally around the pipe out- 'side the sticks. The ends and edges of the metal stripare soldered tightly together or to the pipe, and perforations d being formed through the sides of the pipe, as shown in Fig. 2, the water is drawn into the pipe exclusively through the perforated covering E. In placeof the sticks e ribs of metal may be formed upon the outside of the pipe if cast, and the perforations d' in the pipe itself may be cast in or drilled orvpunched if wrought pipe be used.
To exclude water from the well at any particular level, and to draw -it from any strata previously determined upon, I make the casing tight at all points except where the water is to be taken from the strata and form apertures, as b, in-the sides of the casing to admit the water at the determined points.
VBy taking trial-borings at the place where the well is to b e sunk the various strata may be examined inadvance and the casing prepared so as to admit the water only at the desired points. Such casing would be preferably made tight at its upper part to exclude the surface-water, and is shown formed with a llange, f, at its upper end, resting upontimbers F to prevent settling. By making'the upper part of the casing tight the desiredvacuum may be maintained for the'purpose of `increasin g the ow oi' water into the well, as
described in the patent referred to above, and it is therefore best to make the casingtight to a depth of thirty feet at least, to prevent air from entering the well at any point before a vacuum equal to the atmospheric pressure is reached, as it is obvious that if the airhole d in the suction-pipe be thirty feet above the water-inlet it must require about the full pressure of the atmosphere to lift it to the level of the hole. Such an elevation ofthe water is effected by pumping from the suctionpipe until the air is exhausted from the well above the highest apertures, b, and tbe water elevated by the atmospheric pressure operating in the strata to a point where it covers the hole d, after which water would be pumped continuously. In such an operation it is of course assumed that the Water may be found in strata not more than thirty feet below the level of the pumping apparatus, and the entire system is therefore especially adapted to localities along water-courses and sea-shores, where the soil is filled with water quite near the surface, and where fine or quick sand is likely to be found. It may, however, be applied to locations where the water-bearing strata lie more than thirty feet below the surface by sinking the pump inside the casing to the required depth. The arrangement of the apertures bin the casing is shown in Fig. 1, where Gr is the surface-stratum through which the casing passes unperforated.
H is the first Water-bearing stratum,com municating with the interior of the casing by the apertures b.
I is a succeeding stratum, through which the casing is unpert'orated, and H is asecond stratum, from which it is desired to take water. This stratum is shown extending to the bottom of the casing, which is therefore perforated with apertures b to its lower end. These apertures may be cast in the casing, or punched, if made of wrought-iron, and are preferably in the form of narrow slits to eX- clude sand or fine gravel and admit the water, unmixed, as nearly as possible, with other matters. To exclude such sand from the bottom of the well, and thus prevent it from being soon filled with loose material, I have shown a plate, L, placed beneath the end of the suction-pipe D for filling almost entirely the opening at the bottom ot' the casing.
The plate may, if preferred, be bolted to a flange upon the end of the pipe I), or may be secured to an internal flange attached to the end of the casing.
As the casing can only be conveniently sunk with an open end, it is obvious that such means must be used to prevent the inflow of loose material where it exists; but it is immaterial what means are used, as concrete might be formed in the bottom in lieu of such a plate. The purpose accomplished by my construction is therefore the formation of a double barrier against the ne material so destructive to ordinary pumps and wells; but as the several improvements I have made are not strictly dependent upon one another, I have claimed them separately so far as they are independent.
I am fully aware that it is not new to close the bottom of a well-tube and cover it with straining fabric to exclude sand, and I do not therefore claim such a construction; but having devised the exhausted air-chamber in a well provided with a reservoir at the bottom, my present invention is intended to secure a large suction area in contact with the strata where the latter will not permit the formation of a reservoir by reason of their loose or flowing character.
I therefore claim my invention as follows:
l. The combination, in a well having an eX- hausted air-space maintained above the surface of the Water in the manner set forth, of a suction-pipe arranged to draw off the water at some point below the top of casing and a casing provided with apertures at one or more points in its sides for draining the water from the strata at specific levels, substantially as and for the purpose set forth.
2. The combination, in a well having an exhausted air-space maintained above the surface of the Water, in the manner set forth, 'of a casin g perforated at the sides, as described, at different levels anda suction-pipe provided with apertures in its sides covered with straining fabric, substantially as and for the purpose set forth.
3. 'lhe combination, with a casing closed at the bottom and perforated at the sides, as set forth, of a suction-pipe closed at the bottom and provided with straining-apertures in its sides and operating to draw off the water from some point below the cover, so as to maintain a partial vacuum in the upper part of the casing, substantially as herein set forth.
In testimony whereof I have hereunto setm y hand in the presence of two subscribing witnesses.
DAVID II. TICHENOR.
Witnesses:
WM. F. D. CRANE, Tiros. S. CRANE.
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4323122A (en) * 1980-06-02 1982-04-06 Knopik Dwayne L Process for recovering organic liquids from underground areas
US5076360A (en) * 1989-09-27 1991-12-31 Dames & Moore Priming methods for vacuum extraction wells
US5360067A (en) * 1993-05-17 1994-11-01 Meo Iii Dominic Vapor-extraction system for removing hydrocarbons from soil
WO1995008043A1 (en) * 1993-09-13 1995-03-23 International Technology Corporation Groundwater recovery system
US5664911A (en) * 1991-05-03 1997-09-09 Iit Research Institute Method and apparatus for in situ decontamination of a site contaminated with a volatile material

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4323122A (en) * 1980-06-02 1982-04-06 Knopik Dwayne L Process for recovering organic liquids from underground areas
US5076360A (en) * 1989-09-27 1991-12-31 Dames & Moore Priming methods for vacuum extraction wells
US5664911A (en) * 1991-05-03 1997-09-09 Iit Research Institute Method and apparatus for in situ decontamination of a site contaminated with a volatile material
US5360067A (en) * 1993-05-17 1994-11-01 Meo Iii Dominic Vapor-extraction system for removing hydrocarbons from soil
WO1995008043A1 (en) * 1993-09-13 1995-03-23 International Technology Corporation Groundwater recovery system
US5400858A (en) * 1993-09-13 1995-03-28 International Technology Corporation Groundwater recovery system
US5452765A (en) * 1993-09-13 1995-09-26 International Technology Corporation Groundwater recovery system

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