US965287A - Method of and apparatus for pumping oil and other wells. - Google Patents

Description

B.F.GARDNER. METHOD OF AND APPARATUS FOR PUMPING OIL AND OTHER WELLS.

APPLICATION FILED JUNE 1, 1909.

Patented July 26, 1910.

Iltlllllllllll lllltlllllllllulll i Illltrllllllllllllllll lllllllllllllllll IIIIIIIIIIIIIIIIIIIII I BENJ'AMIN- FULTON GARDNER, OF CHICAGO, ILLINOIS.

To all whom it may concern: J

Be it known that I, BENJAMIN FULTON GARDNER, a citizen of the United States,-

residing at Ohicago,in thecounty of Cook and State of Illinois, have invented certain new and useful Improvementsi'n Methods of and -A-pparatus for Pum ing Oil and other Wells, of which the ollowing is a erated by an electric heater,

itself, of a degree su cient degree to pressure which acts upon the piston-head of a reciprocating pump, causing the lifting or upward stroke, while the weight of the fluid above said pump, or upon the piston-head, causes the downward stroke.

In the drawings-Figure 1 is an elevation I of mechanism embodying my apparatus and adapted to carry out. myimprovement in the art; Fig. 2, a vertical, central section through said apparatus; Fig. 3, a horizontal section taken on the correspondingly numbered line in the preceding figure, and Fig. 4, a like section taken on the line 44 of Fig. 2 and givinga top-plan view of the heater.

Referring now to said drawings, A represents. the case or cylinder containing the electric heater, piston and tubular plungerrod. i

A indicates the interior of'the case or cylinder-and A is a bracket attached to" t e inside'of said cylinder and which 0 ens the valve F on the down stroke of piston F, to discharge a load of fluid therefrom, as a will presently appean,

A is a port in the cylinder, which is uni covered at the end of the upward stroke of the piston, allowing the steam or gas in said cylinder to escape into the well, an exhaust port infact. V I v l 1 B and B, 1 and 2,'are conical caps inclosing both ends of cylinder A. K

cylinder.

whi h i g pump, and E is the ball of this valve.

is also of sufligenerate the steam or gas.

- and tubing.

' 1 G Figs. 2 and 4, and

METHOD orann Pianos roR PUMPING 011. AND OTHER wELLs.

p Specification of Letters Patent Patented July 26, 1910,

Application filed June 1, 1909. Serial No. 499,617 1 B? is a perforated plate connected to the bottom of cap B, and B indicatesthe holes or perforations'in this plate.

From the top of cap B a pipe or tubing C conveys the fluid from said cap to the surface of the ground. Insulating disks 0 are placed at various points along this tubing to keep the same centered in the well an for the purpose of electrically insulating it from the wall or casing of said well.

D, in Figs. 1 and 2, is the working barrel of the pump, and D Fig. 2, is a stutfingboir through which the tubular plun er-rod E works. The function of this stu g-box is to avoid flooding of the interior of the ..E is the ball cage of the plunger of the .E: represents the cups on the plunger and E is an opening or bore through the plunger through which the lfluid passes as it is pumped. H in Fig. 2 is the ball cage of the standin'g valve indicated by H 1n same figure, H thepacking of said valve and H the ball thereof. a

- Reference letter I, Figs. 1 and'2, indicates a perforated pipe used as an intake and I indicates the holes or perforations in said A wire screen J placed over the lntake. holes of the intake keeps out material that would obstruct the working of the valves.

r The structure rests upon a pointed anchor K which centers, seats and supports the pump G indicates an electric heater composed of tubes framed into and supported by plates Gr is an insulating part between the upper plate and the case or cylinder, while the lower plate G is in contact with said mg purposes.

L, Fig. 2, is aninsulated electrical concylinder forgroundductor which transmits the current from tube C to the heater. L L, and L are insulators in the piston F and perforated plate B which protect this conductor.

The piston-head F is hollow and made to contain a predetermined quantity of flu1d which is admitted to the cup-like pistonhead through valve F at the end of the upward stroke when the'valve is opened by looming in contact with the B and F is a similarva ve arranged to discharge the fluid from said head when it reaches thecend of the downward stroke, by impinging upon bracket A and being opened thereby. The hollow or tubular plunger-rod E is connected at the upper end to, and continued through the iston F, and at the lower end to the p unger ithrough'the cage E so that it may act as a lift pump.

i contact with H i L, Fig. 4,

indicates the heating tubes con- 'nected in multiple to conductor L. The

lower ends of these tubes are connected in multiple to the plate Gr which is in electrical case or cylinder; A, grounding the return circuit. Q 7

M, Fi s. 1 and 2, is a dynamo' or other source of electrical energy, located on the with fluid of the submerge the entire-pump'mechanism in the fluid ofthe well, the fluid pressurewill cause "the fiuidto rise in theworking barrel, and

up through the hollow plunger-rod to the height of the fluid in thewell, which will ordinarily be at a point above the pistonhead. The iston on its upward stroke fills om the reservoir afforded by C and conical cap The gravity fluid, piston-head, plunger and valves causes the piston to descend and at the lower end of the stroke the fluid in the pistontubing headfalls or is sprayed upon the hot tubes of the electric heater by the opening of the valve F Steam, or gas, in the case of oil, is generated in suflicient force to cause the piston to ascend and, through the connecting'rodE, convey the lifting force to the plunger in the working barrel. When the piston has reached the extremity of its upward stroke the exhaust port A in the case A' is opened and the gas or steam escapes into the well, agitating the fluid and heating it, thereby dislodging' parafiin or other residue of petroleum from the rock and melting it, relieving creasing. the production.

An oil field for miles in either direction may be operated by a central electric plant through the employment of the apparatus and method hereinabove described. Having thus described my invention, I do not limit myself to the specific details of erforated plate the various parts of ing the weight of the a y, the body thewell of obstruction and in construction set forth, considering that they may be widely varied without departing from the principle thereof, but

Whatl claim and desire to secure by Letters' Patentof the United States is:

1. An apparatus for pumping wells, a cas ing having a working barrel, a hollow plungerrod arranged within the casing and extending into the working barrel and carrying a valved piston, a hollow plunger on said rod and receiving a portion of the pumped fluid, means for discharging the fluid from the plunger, the casing for vaporizing the discharge fluid thereby generating a motive fluid for driving the piston upwardly.

and. means within 2. An apparatus for pumping wells, a casing having a working barrel, a hollow plunger rod arranged within the casing and extendinginto the working barrel and carrying a valved piston, a hollow plunger on said rod and receiving a. portion of the pumped fluid, means for dischargin the plunger, and means within the casing for vaporizing the discharge fluid thereby generatinga motive fluid for. driving the piston upwardly, and said casing provided with means for exhausting the motivc'fluid when the plunger reaches the limit of its upstroke. j Q 3. An apparatus for pumping wells comprising a pumpingpiston, means for utilizfor operating the pumping piston downmeans for vaporizing a portion of of fluid utilized to move the piston downwardly to generate amotive fluid whereby the pistonis moved in the opposite direction.

4. An apparatus for pumping'wells comprising a pumping piston, means for utilizing the weight of the fluid within the well for operating the pumping piston downwardly, means for vaporizing a predeter-' minedamount offluid to generate a motive fluidwhereby the piston is 'moved'upwardly, and means for exhausting the motive fluid when the piston is at th limit of its upward stroke.

5. An ap aratus' for piston-cylin er submerge carried to the limit of descent therein y (pumping wells, a therein, a' iston the fluid within the well the fluid from 7 i weight of the fluid in the well, a heater arranged beneath said piston and capable of rapidly vaporizing fluid fed thereto togen: erate steam or gas pressure,means supplypiston cylinder submerged therein, a piston working in said cylinder and carried to the limit of its descending stroke'by suitable ing a measured quantity of-"the'fluid conmeans, an electric heater located in the botthereby and generate steam or gas pressure tom of the cylinder, a source of electrical to move sald piston upwardly, and a pump energy located on the surface and supplying operated by said plston.

current to said heater means supplying a, BENJAMIN FULTON GARDNER. 5 measured quantity of the fluid contents of Witnesses:

the well to said heater at the termination of WM. BARRE'I'I FITZGERALD,

the downstroke of the piston to be vaporized M. W ALZEN. I r

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