US1299083A - Pump. - Google Patents

Description

E. C. WILSON.

PUMP. AIPPLICAUON FILED FEB. I6, 1916.

Patented A pr. 1, 1919.

2 SHEETS-SHEET l.

m S. S E N m W HIS ATTRNEY.

E. C. WILSON.

PUMP. 1 APPLICATION FILED FEB. I6. |916.

Lw. Patented Apr. 1,1919.

if TV 2 SHEETS-SHEET 2.

1" ZI Y I I d 14 I I I EEE@ l A I I I 'T- 1 lI ,A

| IIII n nfl 7 k-If m I I l l a I"T j I I- I i WLTNESSES: p \I I INVENTD'FI,

9 In I.

HIS ATTRNEY,

entre srarne ramena ELEU CLEMENT WILSQN', LOS ANGELES, CALIFORNIA, ASSIG'NOR TG WILLIAM W.

. WILSON, F LOS ANGELES, CALIFORNIA.

PUMP.

menaces.

Specication of Letters Paten-t.

rarerieea npr. i, i'eie,

emmener mea February is, ieie. serial no. 78,625.

To all whom t may concern.'

Be it known that I, ELIHU C. WILSON, a citizen .of the United States, residing at Los Angeles, in the county of Los Angeles and State of California, have invented new and useful Improvements Iin Pumps, of which the following is a specification.

This invention relates to pumps, and

. more -particularly`to'deep well pumps for use in oil or other deep wells. 0n accountv the surface and remove them from the well` lhole. After repairing a pump of standard construction, the' tubing and rod sections must be again connected as working barrel vand plunger are re-lowered to or below the liquid level in' the well'hole. With a certaintypeof pump in which the plunger has a ground fit in the workin barrel, it is y possible to replace or install t e same in the well hole by first lowering the working barrel, adding length after length of tubing, and then lowering the plunger into 'the working barrel by adding plunger rod lengths asthe plunger descends; but in case a'p'acked fit is desired, as between plunger' and barrel, to prevent the rapid destruction,

by foreign matter, of plunger and barrel,

incident tothe use of ground fits or metal to y metal` wearing surfaces, the barrel and plunger must be simultaneously lowered, as it isnot practicable torassemble the barrel and plunger by the endwise introduction of the plunger into the barrel, as the packling would be thereby injured; particularly is this so if the plunger and barrel are at .the ends of connections lof great length.y

a removable plunger, which packin means and other pump features may be wit drawn'- from and returned to a workin barrel with the plunger, leaving the worklng barrel in its normal position in the well. I further provide means whereby the pachng means and other pump features are properly reseated inrthe working barrel upon return of the same thereto. A ump so organized has all the advantages oi a packed pump, the repair and replacement of which requires the maximum amount of time and labor, though it is apparent that its repair'is attended with but a fraction of the trouble necessary to repair inferior types.

The invention has for its object to pro`1 vide a pump of the general character stated, which will be generally superior in point of relative simplicity and inexpensiveness of 4construction combined with positiveness and eiiiciency of operation, compactness inform,

economy in power and freedom from fri'ctional losses and wear and tear, and facility in repair, and which will bev enerally supe.-

rior in eciency and servicea ility.

With the above and other objects in view,

the invention consists in the novel and use ful provision, construction, formation, combination, association and interrelation of parts, members and features, all as hereinafter described, shown in the drawings, and finally pointed out in claims.

ln thedrawings:

Figure 1 is a central verticaly sectional view of a pump constructed and organized in accordance with Vthe invention; parts being shown in elevation and parts being broken away and sectioned for clearness of illustration;

Fig. 2 is a horizontal sectional view taken on the line .t2-m2, Fig.v 1, and looking in the direction ofthe appended arrows;

Fig. 3 is a horizontal sectional view taken on the line vs-m3, Fig. 1;

Fig. 4 is a horizontal sectional view taken on the line :v4-m4, Fig. 1;

Fig. 5 isa side elevation of features of the pump shown in-Fig. 1 and illustrated as withdrawn from the working barrel and tubing; and,

designated by the same vreference characters.

Referring with particularity to the draw-' ings, in the embodiment of the invention therein shown A designates the working barr Fig. 6 is a central vertical sectional View In accordance with the present invention, 'l provide a packing means assembled with mit rel of a "ump B designates'the plunger thereof, designates packing means, D

vdesignates means whereby the foot valve of the pump may be withdrawn with Ythe plunger and the foot valve re-seated, withdrawin the packing means C, when` the foot' va ve is withdrawn, E designates means for re-seating the packing means C, F designates the foot valve of the pump, and G desig nates the lunger valve. E also cooperates with the p unger valve G to re-seat the foot 4 valve.

The packin means C are withdrawn from the working.' arrel together with the plun-l ger B and the foot valve F and plunger valve G and connectedv parts, leaving the working barrel A in the wellhole, and obviating the necessity'f breaking upvor disjointing the tubing extending in the hole\ down to the working barrel. vThe packing means C comprises a sheath ortubular 'box c within which is contained the packing d, in

' contact with whichzthe plunger B operates in performing. the working strokes ofthe pump, such packing d bein shown as comprising two lpacking mem ers d and d separated by a compression member df which serves to force the respectivel memr bers of the packing upwardly and downwardlyagainst an upper seat e and a lower seat f respectively. The working barrel A at its upper end is provided with a coupling or collar g through the agency of which joints or lengths, such as h, of well casin may be connected with the'working barre and the lower end of the-working arrel is interrupted to include two couplings or collars t and Z which respectively connect the upper portion ofthe working barrel a and the lower portion of ythe working barrel b with a downwardly tapered tubular seat m for a downwardly tapered tubular foot n threaded, as at 6 to and within the sheath or box c of the lpacking means C. -An annular. interspace is provided between such foot n and seat m within which and upon the foot n is disposed a jacket 7 of Babbitt metal or leather washers whichl produces a tight fit between such foot and such seat. The upper end of the foot n constitutes vthe seat f for the lower end of the packing d or member d thereof; and the upper seat e for-the pack-l ing consists of the lower end of a nut 8 threaded into the upper end of the sheath or r valve F may be of the usual ball-and-cage ltype or any other preferred type, and the A'cage member is provided with a plurality of v packing rings or plurality of leather lwashv ,osa

or stem llprojecting from the lower end of the cage member, and of diminishing diameters downwardly so as to form a conical packing which fits the seat p.

The means D are shown as of the standard Garbutt rod type,- connecting the` foot valve with the lower end of the plunger B, and essentially comprises a rod 11u xed to the upper end of the foot valve cage and projecting through a nut 12 screwed intoI the lower end of the plunger, suchrod being provided with -a T -head orlike enlargementI 13 above such nut 12, and permitting the plunger to reciprocate within the limits` lof ump stroke, `without unseating the packers 10, all commonly mounted upon a sleeve y lng of the footvalve from the seat p thereof.

The lunger B is, of course, tubular so that 'the o1l or other Huid may be elevated through the foot valve F, or any other preferred type,

the cage member of such working valvebeing connected with the upper endv of the lunger or thimble 12a provided with a protruding ange 13a disposed above the means E for re-seatlng thepacking means C such means y by means of an externally threaded ushing Ev comprising a compression spring 14 coiled o around the upper end of the plunger B and engaging the flange 13a at its upper end and the head 8 of the nut 8 a-tits lower end. The sucker rod 15 is. connected onto the cage of the working valve G and, as will be understood, is utilized to reciprocate the plunger B with the working valve G in the operatlon of the pump. l 'j l The operation, method of use and advantages of the improvements in umps willbe readily understood from the ore oing disclosure, taken in connection with t e accompanying drawings and the following state` ment: p

In operation the plunger B is reciprocated in the usual manner by the sucker rod 15,

within the working barrel A and the pack-A ing means C held therein by the sheath or box c with its foot lnuwhich takes into the seat m, in conical fit, the Babbitt metal sleeve v7 vinsuring a tight fit lof the latter parts.

The weight4 of thecolumn ofliquid in the tubing or casing h above the working barrel, which is imposed upon the packing means serves to hold the same tightly inplace,

holding the foot n tightly in its seat m. vThe lpacking rings 10 beneath the foot valve F are wedged tightly-in place within the seat p in the end piece 9 at the lower end of the working barrel member' d, with 'which endV piece is connected the suction pipe, a fragment-o'which is shown,'through which the 4liquid is drawn to the vfoot valve F. 'lhe u means C insures a close working ht as between the plunger and the working barrel, maintaining the full efficiency of each pump stroke against liquid losses as between the barrel and the plunger. This tight workmg fit prevents the invasion as between the plunger and the working barrel of sand, grit or any other foreign substances tending to abrade or cut or pit or channel the' plunger casing positioning the same, and thentheA or its coperating packing means. The pump is operated in the usual manner, the liquid drawn into the space above the foot valve upon the up-stroke of the plunger rising above the working valve upon the next down-stroke of the plunger and thereafter being elevated with the column of liquid above it to produce How at the mouth of the well.

When it is desired to renew the packing' means C, or repair the same, it is not necessary to withdraw the working barrel together with the plunger and valves and operating rods, as is the case in other deep well pumps which do not permit of the with-v drawal of the plun er and the working parts connected therewit from the working barrel and the inner surface of the same which is engaged with the plunger Ain the working stroke. Thus is obviated the necessity of breaking up the string of tubing h above the pump barrel in orderA that section by section of such tubing may be removed from the well and the pump barrel eventually brought to the surface.y In accordance with the present invention it is only necessary to elevate the sucker rod and disjoint it as may be nec-l packing rings 10 to remove the latter from the seat p. Thereupon continued elevation of the plunger `will eventually withdraw the working and foot valves and packing means from the working barrel and the tubing or packing means may be disassembled upon the plunger, either by disconnecting the foot' n from the sheath or boX c to free the packing members d and d from the interspace between the plunger and the sheath, or by Yremoving the nut 8 from the said sheath, similarly permitting the packing members to be removed Vfrom such interspace. lSubsequently fresh packing elements, together with the spring d" may be restored to working position in such interspace, and the foot 'n or nut 8 or both restored to working position. Thereupon the plunger and connected parts previously withdrawn from the hole,

together with the repaired or replaced packing means, may be again lowered into the vand the hole and brought down into the working barrel. ln. order to eectively secure the packing rings 10 in their seat p the weight of the plunger and connected parts and the sucker rod vtubing 15 is allowed to be brought down-onto the foot valve, through the agency Aof the nut 12, and, furthermore, during which `performance the spring 14 of the means will be put under compression as between the flange 13a and the nut 8, exerting pressure upon the packing means to force the foot n of the same into its seat m. Thus, pressure is exerted to seat the packing means during the lowering of the plunger onto the foot valve, and when the nut 12 has engaged the foot valve, its packing 10 is -inally forced home through a final further compression of the sprin 14 which likewise finally forces the foot no the packing means home. This action is permitted, it-will be understood, by the Garbu'tt rod 11a and the relative play thereby permitted as between the plunger and the foot valve F.

It will be understood that the packing means embraces only a portion of the plunger, and is of suflicient extent to thoroughly prevent leakage as between the working `barrel lunger during the full working stroke. he packing means also takes the place of the ordinary pump liner, guiding and accommodating the plunger in its working strokes.

It is manifest that the invention will produce a great saving in time incident to repair ,and replacement of worn packing features,

will enhance length of life of the working pump parts, and will effectively prevent leakage as between the working barrel and the plunger. The various feaglres incident to practice of the invention' are simple and inexpensive in construction and not liable to disarrangement or to require frequent or troublesome replacement.

It will be understood that many changes may be made in construction, interrelation, formation and association of parte, members and features in the practice o the invention, and in the adaptation of the same to varying conditions 'of use and service, without departing from the true spirit of the invention.

Having thus disclosed my lnvention, l' claim and desire to secure by Letters Patent:

1. In a pump, a working barrel provided with a seat, a tubular plunger mounted to reciprocate w-'thin the barrel, packing means surrounding the plunger and resting upon the Aseat of the barrel, and means for utilizing a portion of the force incident to each stroke of the pump to hold the packing means in position upon the seat. v v 2. In a pump, a working barrel, a plunger, packing means between the barrel and the plunger, the barrel being provided with a seat for the said packing means, andyieldieu ing means for transmitting a portion of the force incident to the descent of the plunger to the packing means to force the said packing means into position upon the said seat on the working barrel upon the lowering of the plunger.

3. In apump, a working barrel, a plunger, packing means between the barrel and the plunger, the barrel being provided' with a seat for the said packing means, and yielding means for transmitting a portion of the force incident to the descent of the plunger to the packing .means to force the said packing means into position upon the said seat on the working barrel, one end of said yielding means bearing upon the said packing means,while the other end of said yielding means is adapted to be engaged by the plunger uponv the lowering thereof.

4. n a pump, a working barrel, a plunger having an outwardly extending shoulder thereon, packing means between the barrel and the plunger', the barrel being provided with a seat for the said packing means, and a spring surrounding the plunger, one end of which engages, the saidpacking means, while the other lend thereof is adapted 'to be engagedvby the shoulder on the plunger upon the lowering of said plunger, the said spring serving to transmit a portion of the force incident to the descent of the plunger to the packing means to force the said packing means into position upon the said seat on the working barrel.

5. In a pump, a workin barrel, a plunger, packing means between th plunger, the barrel being provided with a seat for the said packing means, means for transmitting a portion of the force'incident to the descent of the plunger .to the packing means to force the said packing means into position upon the said seat on the workingl barrel upon the. lowering of the plunger,

said plunger being also provided with a foot valve provided with packing, and said barrel being provided .with a seat for said packing of said foot valve, and means for transmitting a portion of the force incldent to the descent of the plunger to said foot valve to force the packing of the same toits seat co-incidently with the before mentioned means for transmitting a portion of` the force incident to the descent of the plunger to the plunger packing means.

In a pump, a working barrel formed with an annular tapered seat, a tubular plunger mounted to reciprocate within the arrel, annular packing means surrounding the plunger and provided at its lower end with a tapered foot adapted to rest upon and engage the tapered seat of the barrel, and means for transmitting a portion of the force -incident to each operation of the plunger to the packing means to hold the e barrel and thepacking means firmly in position upon the seat. i

7. In a pump, a working barrel formed with an annular tapered seat, a tubular plunger mounted to be reciprocated within the barrel', annular packing means surrounding the plunger and provided at one end with a tapered foot adapted to engage the seat of the barrel, `and yielding means for transmitting a portion of the force incident to each operation ofthe plunger to the packing means to hold the latter firmly in position.

8. In a pump, a working barrel formed with a detachable annular section which is provided with .a tapered seat, a tubular plunger mounted to reciprocate within the barrel, annular packin' means surrounding .the plunger and provi ed-at--one endv with a tapered foot adapted to engage said seat, and means for transmitting a portion of the force incident to each operation of the plunger to the in position.

9. In a pump, a working barrel, a plunger, packing means between the barrel and the plunger, the barrel being provided with ya seat for the packing means, yieldin means bearin upon the packing means, an means upon t e plunger for acting through said yielding means to force said packing means packing means to hold the latter into position upon said seat upon the lowerv ing of said plunger; said plunger being likewise provided with a foot valve pro- .said foot valve; there being means of connection between said foot valve and said plunger whereby said plunger may be reciprocated independently of said foot valve or may be`lowered onto said foot valve toJ force the packing of the same to its seat duri'n the action of said yielding means.

10. n a pump, a working barrel formed in end sections and a removable intermediate section, the intermediate section being provided with an annular seat, coupling means between the sections, a tubular plunger slidable within the pump barrel, packing. means surrounding the plunger and engaging the before mentioned seat, and means for transmitting a portion of the force incident to each operation of the plunger'to the packing means 1n position upon the seat.

11. In a pump, a worln'ng barrel formed with an` annular seat, a tubular plunger mounted to reciprocate within the barrel, a tubular sheath loosely surrounding the plunger and provided at its lower end with a foot adapted to engage the seat, lpackin arranged within the tubular sheath an engaging the plunger, and fyielding means for transmitting a/portion o the force incident means to hold the saidy packing y to each operation of the plunger to the sheath to hold the foot thereof in engagement with the seat of the barrel.

12. In a pump, a working barrel formed with an annular tapered seat, a tubular plunger mounted to reciprocate within the barrel, a tubular sheath loosely surrounding the plunger and provided at its lower end with a tapered foot adapted'to engage the tapered seat of the barrel, packing arranged Within the sheath and engaging the plunger, and yielding means for transmitting a portion of the force incident to each operation of the plunger to the sheath to hold the foot thereof in engagement with the seat.

13. In a pump, a working barrel provided with an annular seat, a tubular plunger mounted to reciprocate within the barrel, a tubular sheath loosely surrounding the plunger and provided at its end with a foot adapted to engage the seat of the barrel, in-

terior shoulders being provided at opposite ends of the sheath, packing arranged within the sheath at opposite ends thereof, a spring engaging the packing and coperating with the shoulders to expand the same into a tight engagement with the plunger, and yielding means for transmitting a portion of the force incident to the descent of the plunger to the sheath to hold the foot thereof in engagement with the seat.

.14. In a pump, a working barrel provided wlth an annular tapered seat, a tubular plunger mounted to be reciprocated in the barrel and provided with a shoulder, a tubular sheath loosely surrounding the plunger and provided at its end with a tapered foot adapted to engage the seat of the barrel, interior shoulders being provided at opposite ends of the sheath, packing arranged within opposite ends of the sheath, yielding means engaging thepacking and-coperating with the shoulders to expand it into a tight engagement with the plunger, and a spring interposed between the sheath and the shoulder of the plunger for transmitting a portion of the force incident to each operation of the plunger to the sheath to hold the foot thereof upon the seat.

In testimony whereof, I have signed my name to this specification in the presence of two subscribing witnesses.-

, ELIHU CLEMENT WUJSON.

Witnesses:

RAYMOND Ivns BLAKEsInE, L. S. ARNOLD.

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