US2223602A - Sand sucker apparatus - Google Patents
Sand sucker apparatus Download PDFInfo
- Publication number
- US2223602A US2223602A US233277A US23327738A US2223602A US 2223602 A US2223602 A US 2223602A US 233277 A US233277 A US 233277A US 23327738 A US23327738 A US 23327738A US 2223602 A US2223602 A US 2223602A
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- plunger
- pump
- chamber
- valve
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- Expired - Lifetime
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- 239000004576 sand Substances 0.000 title description 17
- 238000005266 casting Methods 0.000 description 10
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 238000013022 venting Methods 0.000 description 5
- 239000003129 oil well Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000003027 oil sand Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B27/00—Containers for collecting or depositing substances in boreholes or wells, e.g. bailers, baskets or buckets for collecting mud or sand; Drill bits with means for collecting substances, e.g. valve drill bits
Definitions
- My invention relates to sand sucker apparatus for use in pumping sand and fluid from oil wells.
- important objects of the invention are to provide a compact, readily portable, ap-
- Still another object is to provide improved dumping means for use with sand sucker apparatus.
- Figure 1 is a longitudinal sectional view through a sand sucker apparatus constructed in accordance with the present invention, the dumping section being omitted.
- Figure 2 is an enlarged sectional view through the lower pressure relief valve shown in Figure 1.
- Figure 3 is an enlarged sectional view'through the plunger valve taken as indicated by the line 3-3 of Figure 1.
- Figure 4 is an enlarged sectional view through the upper pressurerelief valve shown in Figure 1.
- Figure 5 is a fragmentary view in side elevation of the dump section and dump cage.
- Figure 6 is a view in side elevation of the dump cage proper, the view being taken at a right angle to Figure 5, and
- Figure '1 is a view in longitudinal section of the dump section with the key positioned therein.
- the sand sucker apparatus of my invention comprises a pump l of the type to be dropped into the well casing (not shown) and pulled out of said casing yunder operation of the usual operating mechanism with which well drills are equipped for such purposes and which being well known need merely be mentioned in passing.
- the pump comprises an outer tubular section 2 of suitable length having externally threaded upper and lower ends 3 and 4, for a purpose presently seen, and an inner tubular shorter section 5 of relatively smaller diameter secured in the upper end of the outer section I, axially thereof, and spaced therefrom by a cylindrical head casting 6 having a tubular lower skirt 1 threaded onto the upper end of the inner section 5 and seating on the upper end of the outer section 2, and a coupling sleeve 8 threaded on said skirt I and onto the upper end 3 of said section 2.
- An annular spacer 9 is interposed between the lower end of the inner section 5 and the outer section 2.
- the head casting 6 is bored axially, as at ID, to receive a sliding plunger rod ll vertically reciprocable therein, the bore Ill having a lower flaring end [2 and the plunger rod ll an enlarge'd lower end l3 beveled, as at Hi, to fit into and close said flaring end for a purpose presently referred to.
- a plunger l5 Suspended from the end l3 of plunger rod II is a plunger l5 comprising an upper cage l6 secured to the end I3 by an upper socket l1 on said cage threaded onto a stud depending from said end l3 of the plunger rod II.
- the lower end of the cage l6 terminates in a nipple l8 having a circular seat 19 in the upper end thereof for a ball valve 20, said nipple having a reduced lower end 21 threaded into the upper end of a plunger tube 22 on which is mounted in any suitable manner, as shown for instance in Figure 3, a plurality of vertically spaced apart fibre suction cups 23 fitting into the inner section 5 of the pump.
- the outer section 2 has mounted thereon a lower relief valve 24 comprising a rodlike valve casing 25 extending diametrically of said section 2 with its opposite ends suitably anchored in said section and provided with a central vertical port 26 for the passage of fluid therethrough, chambers 21 inits respective outer ends and a pair of axial ports 28 extending from the port 26 to the chambers 21, respectively.
- the chambers 21 are closed by a pair of tubular screw plugs 29 threaded into the outer ends thereof'and said chambers house a pair of ball valves 30 and a pair of coil springs 3
- the screw plugs are provided with openings communicating between the chambers 2'1 and the exterior of the outer section 2.
- the head casin 6 forms the housing of an upper relief valve, said casing being provided with a pair of diametrically opposite, longitudinally extending through bores 33 therein having reduced lower ends 34 opening into-the upper end of the inner section of the pump and normally closed by a pair of upthereto of a bottom dump or-bailing section 40.
- the dump section is preferably of the type comprising an upper tubular member 4
- the dump section 40 is designed for use with a dump cage and key as follows.
- the dump cage 54 has the form of a somewhat cylindrical pedestal provided with legs 55, a base flange 56 by means of which it may be bolted; as at 51, to the rig platform 58, an upper end flat head 59 axially bored at 60 for the insertion of the lower tubular member 45 of dump section 4
- has upstanding therefrom a flat key member 66 adapted to fitv loosely into the beforementioned slots 46 provided in the lower member 45 of dump section 40. and for a purpose presently seen.
- the pump plunger i 5 is reciprocated in a manner which will be understood to draw sand and oil, or other fluid in the wellyinto the inner section 5 below said plunger 5.
- the lower relief valve 24 opens, in a manner which will be understood, and under upstrokes of said plunger the described upper relief valve similarly opens, the ball valve 20 under downstrokes of said plunger opening to permit air to pass through said plunger'and escape by way of the upper relief valve as will be clear.
- opening of the ball valve 20 provides for trapping air between the plunger l5 and head casting 6 to be discharged on the upstroke of said plunger. Consequently, air is .positively removed from below the plunger 5 thereby making dumping of the sand which is accumulated in the pump much easier to accomplish than with other types of pumps.
- the sand and oil, or other fluid, are drawn upwardly past the lower relief valve 24 and through the port 26 thereof.
- the pump When it is desired to dump, or bail out, the pump, the latter is withdrawn fromthe well casing and the dump section attached to the lower end of the outer section 2 of said pump in the manner already described.
- the pump and said section 46 are then maneuvered into a position over the dump cage 54 and the lower member of section 40 dropped into the aperture 60 and turned until the slots '46 thereof are in a position to receive the key member 66 whereupon the whole device is lowered onto the support 6
- the flap valve 49' prevents escape of the contents of the pump until the ports 4! and 48 are in registration.
- a tubuj lar casing adapted to be lowered into the well, a head casting threaded onto the upper end of said casing and provided with a central bore,
- a plunger rod slidable in, said'bore for vertical reciprocation in said casing, a pump plunger secured to the lower end of said rod for reciprocation therewith and having anaxial port extending therethrough, a ball valve mounted in the vi 2 upper end of said plunger, and upper and lower pressure valve units in the lower end of said casing and in said casting, respectively, the upper unit opening outwardly under compression created by the upstroke of said plunger, and the lower unit opening outwardly under compression effected by the downstroke of said piston.
- tubular casing adapted to be lowered into the well, a head casting threaded onto the upper end of said casing and provided with a central bore, a plunger rod slidable in said bore for vertical reciprocation in said casing, a pump plunger secured to the lower end of said rod for reciprocation therewith and having an axial port extending therethrough, a ball valve mounted in the upper end of said plunger, and upper and lower pressure valve units in the lower end of said casing and in said casting, respectively, the upper unit opening outwardly under compression created by the upstroke of said plunger,
- the lower valve unit including a tubular valve casing extending diametrically of the easing to provide clearance on each side thereof for the passage of material upwardly thereby.
- a tubular easing adapted to be lowered into the well, a head casting threaded ont the upper end of said casing and provided with a central bore, a plunger rod slidable in said bore for vertical reciprocation in said casing, a pump plunger secured to the lower end of said rod for reciprocation therewith and having an axial port extending therethrough, a ball valve mounted in the upper end of said plunger, and upper and lower pressure valve units in the lower end of said casing and in said casting, respectively, the upper unit opening outwardly under compression created by the upstroke of said plunger, and the lower unit openin outwardly under compression effected by the downstroke of said piston, the lower valve unit includinga tubular valve casing extending diametrically of the casing to provide clearance on each side thereof for the passage of material upwardly thereby, the bore in said casting having a lower flared end, and said pump plunger being provided with a beveled part fitting into said flared end
- a sand pump for wells including a cylindrical chamber adapted to be lowered in the well, a rod extending from and reciprocable within said chamber, a reciprocable pump piston connected with said rod for slidable sealing engagement with the Walls of said chamber, means providing a passageway through said piston between high and low pressure portions of said chamber, a oneway valve for closing said passageway when said piston moves toward said high pressure chamber portion, a relief valve for venting said high pressure portion of the chamber upon such movement of said piston, and a relief valve for venting said low pressure portion of the chamber upon movement of said piston in the opposite direction.
- a sand pump for wells including a cylindrical chamber adapted to be lowered in'the well, a reciprocable rod extending through the upper end of said chamber, a piston secured to said rod for slidable sealing engagement with the walls of said chamber, means providing a passageway through said piston establishing communication between the upper and lower portions of said chamber, a one-wa valve carried by said piston for closing said passageway when said piston moves toward the upper end of said chamber, a one-way relief valve at the upper end of said chamber for venting said-upper chamber portion when said piston moves toward said upper end of the chamber.
- a sand pump for wells including a cylindrical chamber adapted to be lowered in the well, a reciprocable rod extending through the upper end of said chamber, a piston secured to said rod for slidable sealing engagement with the walls of said chamber, means providing a passageway through said piston establishing communication between the upper and-lower portions of said chamber, a one-way valve carried by said piston for closing said passageway when said piston moves toward the upper end of said chamber, a one-way relief valve at the upper end of said chamber for venting said upper chamber portion whensaid piston moves toward said upper end of the chamber, and a one-way relief valve at the lower end of said chamber for venting said lower chamber portion when said piston moves in the opposite direction.
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Description
Dec. 3, 1940. A. L. cox
SAND SUCKER APPARATUS 2 Sheets-Sheet l Filed Oct. 4, 1938 I Inventor Patented Dec. 3, .1940
UNITED STATES PATENT OFFICE 6 Claims.
My invention relates to sand sucker apparatus for use in pumping sand and fluid from oil wells. Among the important objects of the invention, are to provide a compact, readily portable, ap-
paratus of this character in which vibration in operation is reduced to a minimum so that in action it will not break down nor disturb formations of oil sand behind the well casing.
' Other objects are to provide apparatus for the purpose above set forth which is economical both as regards manufacture and upkeep, durable, easilyassembled and disassembled, capable of high speed operation and positive action as regards dumping and which does not require washing of the sand chamber to free the same from sand, or fluid, as is necessary in present day apparatus of this character.
Still another object is to provide improved dumping means for use with sand sucker apparatus.
Other and subordinate objects are also comprehended by my invention, all of which, together with the precise nature of my improvement, will become apparent when the following description and claims are read with reference to thedrawings accompanying and forming part of this specification.
In said drawings:
Figure 1 is a longitudinal sectional view through a sand sucker apparatus constructed in accordance with the present invention, the dumping section being omitted.
Figure 2 is an enlarged sectional view through the lower pressure relief valve shown in Figure 1.
Figure 3 is an enlarged sectional view'through the plunger valve taken as indicated by the line 3-3 of Figure 1.
Figure 4 is an enlarged sectional view through the upper pressurerelief valve shown in Figure 1.
Figure 5 is a fragmentary view in side elevation of the dump section and dump cage.
Figure 6 is a view in side elevation of the dump cage proper, the view being taken at a right angle to Figure 5, and
Figure '1 is a view in longitudinal section of the dump section with the key positioned therein.
Referring to the drawings by numerals, the sand sucker apparatus of my invention comprises a pump l of the type to be dropped into the well casing (not shown) and pulled out of said casing yunder operation of the usual operating mechanism with which well drills are equipped for such purposes and which being well known need merely be mentioned in passing.
The pump comprises an outer tubular section 2 of suitable length having externally threaded upper and lower ends 3 and 4, for a purpose presently seen, and an inner tubular shorter section 5 of relatively smaller diameter secured in the upper end of the outer section I, axially thereof, and spaced therefrom by a cylindrical head casting 6 having a tubular lower skirt 1 threaded onto the upper end of the inner section 5 and seating on the upper end of the outer section 2, and a coupling sleeve 8 threaded on said skirt I and onto the upper end 3 of said section 2. An annular spacer 9 is interposed between the lower end of the inner section 5 and the outer section 2.
The head casting 6 is bored axially, as at ID, to receive a sliding plunger rod ll vertically reciprocable therein, the bore Ill having a lower flaring end [2 and the plunger rod ll an enlarge'd lower end l3 beveled, as at Hi, to fit into and close said flaring end for a purpose presently referred to.
Suspended from the end l3 of plunger rod II is a plunger l5 comprising an upper cage l6 secured to the end I3 by an upper socket l1 on said cage threaded onto a stud depending from said end l3 of the plunger rod II. The lower end of the cage l6 terminates in a nipple l8 having a circular seat 19 in the upper end thereof for a ball valve 20, said nipple having a reduced lower end 21 threaded into the upper end of a plunger tube 22 on which is mounted in any suitable manner, as shown for instance in Figure 3, a plurality of vertically spaced apart fibre suction cups 23 fitting into the inner section 5 of the pump.
At a suitable point below the lower end of the inner section 5, the outer section 2 has mounted thereon a lower relief valve 24 comprising a rodlike valve casing 25 extending diametrically of said section 2 with its opposite ends suitably anchored in said section and provided with a central vertical port 26 for the passage of fluid therethrough, chambers 21 inits respective outer ends anda pair of axial ports 28 extending from the port 26 to the chambers 21, respectively. The chambers 21 are closed by a pair of tubular screw plugs 29 threaded into the outer ends thereof'and said chambers house a pair of ball valves 30 and a pair of coil springs 3| interposed between the said plugs and valves and urging the latter against suitable seats 32 in the chambers 21, whereby said valves 30 normally close the ports 28. The screw plugs are provided with openings communicating between the chambers 2'1 and the exterior of the outer section 2. The head casin 6 forms the housing of an upper relief valve, said casing being provided with a pair of diametrically opposite, longitudinally extending through bores 33 therein having reduced lower ends 34 opening into-the upper end of the inner section of the pump and normally closed by a pair of upthereto of a bottom dump or-bailing section 40.
The dump section is preferably of the type comprising an upper tubular member 4| threaded at its upper end onto end 4 of the outer section 2 of said pump, an inner tubular member 42 extending through and below member 4| and having an externally flanged upper end 43 rotatably mounted on an internal shoulder 44 provided in the upper end of member 4| and against which said flange is held by the lower end of section 2, a lower outer tubular member 45 threaded onto the lower end of the member 42 and having diametrical slots 46 extending from its lower end upwardly for a. suitable distance, a'pair of longitudinally extending discharge ports 41 and 48 formed in the lower ends of the members 4| and 42, respectively, for movement into and out of registration under relative rotation of said members, and a valve unit fitted into the lower end of the member 42 below said ports comprising a sleeve 49 clamped to the member 42 by means of a base flange 50 thereon interposed between the lower end of said member 42 and an internal shoulder on the lower tubular,
The dump section 40 is designed for use with a dump cage and key as follows.
The dump cage 54 has the form of a somewhat cylindrical pedestal provided with legs 55, a base flange 56 by means of which it may be bolted; as at 51, to the rig platform 58, an upper end flat head 59 axially bored at 60 for the insertion of the lower tubular member 45 of dump section 4| therethrough, and a bar-like transversely extending support 6| for said member 45 suspended in diametrically opposed slots 62 in the cage 54 for vertical movement and by means of a pair of tension springs 63 pivotally connected at one end to laterally extending lugs 64 on the head 59 and having their opposite ends suitably connected to said support 6| A pair of. stop pins 65 extending through said support 6| on opposite sides -.7..5,..,inv, ention, the pump I is lowered mm the well of the cage 54, respectively, limit endwise play of said support 6| p The support"'6| has upstanding therefrom a flat key member 66 adapted to fitv loosely into the beforementioned slots 46 provided in the lower member 45 of dump section 40. and for a purpose presently seen.
Referring now to the operation and use of the pump plunger i 5 is reciprocated in a manner which will be understood to draw sand and oil, or other fluid in the wellyinto the inner section 5 below said plunger 5. Under the downstrokes of Y the plunger 5 the lower relief valve 24 opens, in a manner which will be understood, and under upstrokes of said plunger the described upper relief valve similarly opens, the ball valve 20 under downstrokes of said plunger opening to permit air to pass through said plunger'and escape by way of the upper relief valve as will be clear. As will be understood, opening of the ball valve 20 provides for trapping air between the plunger l5 and head casting 6 to be discharged on the upstroke of said plunger. Consequently, air is .positively removed from below the plunger 5 thereby making dumping of the sand which is accumulated in the pump much easier to accomplish than with other types of pumps.
The sand and oil, or other fluid, are drawn upwardly past the lower relief valve 24 and through the port 26 thereof.
When it is desired to dump, or bail out, the pump, the latter is withdrawn fromthe well casing and the dump section attached to the lower end of the outer section 2 of said pump in the manner already described. The pump and said section 46 are then maneuvered into a position over the dump cage 54 and the lower member of section 40 dropped into the aperture 60 and turned until the slots '46 thereof are in a position to receive the key member 66 whereupon the whole device is lowered onto the support 6|. 'In this position of the parts, the lower member 45, the inner member 42 and the sleeve 49 of the dump section 40 are held stationary by said key so that by turning the pump the section 4| of the dump section 40 may be rotated to bring the slot 41 thereof into registration with the slot 48 .of member 42 whereupon the pump I may drain through the dump section 46 in a manner which will be understood without further explanation.
In the attached position of the dump section 40, the flap valve 49' prevents escape of the contents of the pump until the ports 4! and 48 are in registration.
The foregoing will, it is believed, sufiice to inipart a clear understanding of my invention without further explanation.
Manifestly the invention, as described, is susceptible of modification without departing from v the inventive concept and right is herein reserved to such modifications as fall within the scope of-the subjoined claims.
What I claim is:
1. In a sand pump for sanding oil wells, a tubuj lar casing adapted to be lowered into the well, a head casting threaded onto the upper end of said casing and provided with a central bore,
a plunger rod slidable in, said'bore for vertical reciprocation in said casing, a pump plunger secured to the lower end of said rod for reciprocation therewith and having anaxial port extending therethrough, a ball valve mounted in the vi 2 upper end of said plunger, and upper and lower pressure valve units in the lower end of said casing and in said casting, respectively, the upper unit opening outwardly under compression created by the upstroke of said plunger, and the lower unit opening outwardly under compression effected by the downstroke of said piston.
2. In a sand. pump for sanding oil wells, a
tubular casing adapted to be lowered into the well, a head casting threaded onto the upper end of said casing and provided with a central bore, a plunger rod slidable in said bore for vertical reciprocation in said casing, a pump plunger secured to the lower end of said rod for reciprocation therewith and having an axial port extending therethrough, a ball valve mounted in the upper end of said plunger, and upper and lower pressure valve units in the lower end of said casing and in said casting, respectively, the upper unit opening outwardly under compression created by the upstroke of said plunger,
and the lower unit opening outwardly under compression effected by the downstroke of said piston, the lower valve unit including a tubular valve casing extending diametrically of the easing to provide clearance on each side thereof for the passage of material upwardly thereby.
3. In a sand pump for sanding oil wells, a tubular easing adapted to be lowered into the well, a head casting threaded ont the upper end of said casing and provided with a central bore, a plunger rod slidable in said bore for vertical reciprocation in said casing, a pump plunger secured to the lower end of said rod for reciprocation therewith and having an axial port extending therethrough, a ball valve mounted in the upper end of said plunger, and upper and lower pressure valve units in the lower end of said casing and in said casting, respectively, the upper unit opening outwardly under compression created by the upstroke of said plunger, and the lower unit openin outwardly under compression effected by the downstroke of said piston, the lower valve unit includinga tubular valve casing extending diametrically of the casing to provide clearance on each side thereof for the passage of material upwardly thereby, the bore in said casting having a lower flared end, and said pump plunger being provided with a beveled part fitting into said flared end to seal said bore in the limit of upstroke mu vement or said plunger rod.
4. A sand pump for wells, including a cylindrical chamber adapted to be lowered in the well, a rod extending from and reciprocable within said chamber, a reciprocable pump piston connected with said rod for slidable sealing engagement with the Walls of said chamber, means providing a passageway through said piston between high and low pressure portions of said chamber, a oneway valve for closing said passageway when said piston moves toward said high pressure chamber portion, a relief valve for venting said high pressure portion of the chamber upon such movement of said piston, and a relief valve for venting said low pressure portion of the chamber upon movement of said piston in the opposite direction.
5. A sand pump for wells, including a cylindrical chamber adapted to be lowered in'the well, a reciprocable rod extending through the upper end of said chamber, a piston secured to said rod for slidable sealing engagement with the walls of said chamber, means providing a passageway through said piston establishing communication between the upper and lower portions of said chamber, a one-wa valve carried by said piston for closing said passageway when said piston moves toward the upper end of said chamber, a one-way relief valve at the upper end of said chamber for venting said-upper chamber portion when said piston moves toward said upper end of the chamber.
6. A sand pump for wells, including a cylindrical chamber adapted to be lowered in the well, a reciprocable rod extending through the upper end of said chamber, a piston secured to said rod for slidable sealing engagement with the walls of said chamber, means providing a passageway through said piston establishing communication between the upper and-lower portions of said chamber, a one-way valve carried by said piston for closing said passageway when said piston moves toward the upper end of said chamber, a one-way relief valve at the upper end of said chamber for venting said upper chamber portion whensaid piston moves toward said upper end of the chamber, and a one-way relief valve at the lower end of said chamber for venting said lower chamber portion when said piston moves in the opposite direction.
' AMBROSE L. COX.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US233277A US2223602A (en) | 1938-10-04 | 1938-10-04 | Sand sucker apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US233277A US2223602A (en) | 1938-10-04 | 1938-10-04 | Sand sucker apparatus |
Publications (1)
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US2223602A true US2223602A (en) | 1940-12-03 |
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US233277A Expired - Lifetime US2223602A (en) | 1938-10-04 | 1938-10-04 | Sand sucker apparatus |
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Cited By (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2449721A (en) * | 1945-09-04 | 1948-09-21 | Grant Oil Tool Company | Bailer unloading rack |
US2454945A (en) * | 1944-09-09 | 1948-11-30 | John M Reynolds | Bailer |
US2649917A (en) * | 1949-05-03 | 1953-08-25 | Sells Simmons Hydrostatic Bail | Combination oil well hydrostatic cleanout bailer |
US2701020A (en) * | 1951-03-12 | 1955-02-01 | Elmo L Condra | Plunger type bailer |
US8079413B2 (en) | 2008-12-23 | 2011-12-20 | W. Lynn Frazier | Bottom set downhole plug |
USD657807S1 (en) | 2011-07-29 | 2012-04-17 | Frazier W Lynn | Configurable insert for a downhole tool |
US8307892B2 (en) | 2009-04-21 | 2012-11-13 | Frazier W Lynn | Configurable inserts for downhole plugs |
USD672794S1 (en) | 2011-07-29 | 2012-12-18 | Frazier W Lynn | Configurable bridge plug insert for a downhole tool |
USD673182S1 (en) | 2011-07-29 | 2012-12-25 | Magnum Oil Tools International, Ltd. | Long range composite downhole plug |
USD673183S1 (en) | 2011-07-29 | 2012-12-25 | Magnum Oil Tools International, Ltd. | Compact composite downhole plug |
USD684612S1 (en) | 2011-07-29 | 2013-06-18 | W. Lynn Frazier | Configurable caged ball insert for a downhole tool |
US8496052B2 (en) | 2008-12-23 | 2013-07-30 | Magnum Oil Tools International, Ltd. | Bottom set down hole tool |
USD694281S1 (en) | 2011-07-29 | 2013-11-26 | W. Lynn Frazier | Lower set insert with a lower ball seat for a downhole plug |
USD694280S1 (en) | 2011-07-29 | 2013-11-26 | W. Lynn Frazier | Configurable insert for a downhole plug |
USD698370S1 (en) | 2011-07-29 | 2014-01-28 | W. Lynn Frazier | Lower set caged ball insert for a downhole plug |
USD703713S1 (en) | 2011-07-29 | 2014-04-29 | W. Lynn Frazier | Configurable caged ball insert for a downhole tool |
US8899317B2 (en) | 2008-12-23 | 2014-12-02 | W. Lynn Frazier | Decomposable pumpdown ball for downhole plugs |
US9109428B2 (en) | 2009-04-21 | 2015-08-18 | W. Lynn Frazier | Configurable bridge plugs and methods for using same |
US9127527B2 (en) | 2009-04-21 | 2015-09-08 | W. Lynn Frazier | Decomposable impediments for downhole tools and methods for using same |
US9163477B2 (en) | 2009-04-21 | 2015-10-20 | W. Lynn Frazier | Configurable downhole tools and methods for using same |
US9181772B2 (en) | 2009-04-21 | 2015-11-10 | W. Lynn Frazier | Decomposable impediments for downhole plugs |
US9217319B2 (en) | 2012-05-18 | 2015-12-22 | Frazier Technologies, L.L.C. | High-molecular-weight polyglycolides for hydrocarbon recovery |
USRE46028E1 (en) | 2003-05-15 | 2016-06-14 | Kureha Corporation | Method and apparatus for delayed flow or pressure change in wells |
US9506309B2 (en) | 2008-12-23 | 2016-11-29 | Frazier Ball Invention, LLC | Downhole tools having non-toxic degradable elements |
US9562415B2 (en) | 2009-04-21 | 2017-02-07 | Magnum Oil Tools International, Ltd. | Configurable inserts for downhole plugs |
US9587475B2 (en) | 2008-12-23 | 2017-03-07 | Frazier Ball Invention, LLC | Downhole tools having non-toxic degradable elements and their methods of use |
US9708878B2 (en) | 2003-05-15 | 2017-07-18 | Kureha Corporation | Applications of degradable polymer for delayed mechanical changes in wells |
-
1938
- 1938-10-04 US US233277A patent/US2223602A/en not_active Expired - Lifetime
Cited By (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2454945A (en) * | 1944-09-09 | 1948-11-30 | John M Reynolds | Bailer |
US2449721A (en) * | 1945-09-04 | 1948-09-21 | Grant Oil Tool Company | Bailer unloading rack |
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US9109428B2 (en) | 2009-04-21 | 2015-08-18 | W. Lynn Frazier | Configurable bridge plugs and methods for using same |
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USD694280S1 (en) | 2011-07-29 | 2013-11-26 | W. Lynn Frazier | Configurable insert for a downhole plug |
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