US1799971A

US1799971A - Swabbing-barrel attachment

Info

Publication number: US1799971A
Application number: US429142A
Authority: US
Inventors: Samuel W Gordon
Original assignee: Individual
Current assignee: Individual
Priority date: 1930-02-17
Filing date: 1930-02-17
Publication date: 1931-04-07
Anticipated expiration: 1948-04-07

Description

April 7, 1931.

S. W GORDON SWABBING BARREL ATTACHMENT Filed Feb. 1'7, 1930 VJ Q III/rill!!! E: M I II III Patented Apr. 7, 1931 UNITED STAThZd PATENT OFFICE SWABBING-BARREL ATTACHMENT Application filed February 17, 1230. Serial No. 425,142.

Thi invention relates to new and useful improvements in well apparatus, and particularly to devices used in connection with swabs for oil wells.

The principal object of the invention is to provide a device of this character wherein the swab is operated by means of a cable, and wherein the pulley which is mounted on the upper end of the well, is automatic in its operat1on, whereby to readily permit the removed and replacement of the swab.

In devices of this character, heretofore, the swab had to be supported by hand, while the pulley was moved out of the way, and

1;; in view of the fact that the swab weighed sixty pounds, or more, such a method was arduous.

In the present device this laborious operation is obviated, because of t 1e fact that the operator does not have to hold the swab, and does not have to move the pulley by hand.

@ther objects and advantages will be appar nt from the following description when taken in connection with the accompanying as drawing.

In the drawing: 7

Figure 1 is a side elevation of the invention.

Figure 2 is a top plan view of the same.

Figure 3 is a VQI'blCZLl sectional view on the line 3*?) of Figure 2.

Referring particularly to the accompanying drawing, represents a portion of the swabbing barrel, used in connection with an oil well, during the process of drilling same. Screwed into the upper end of the barrel is a nipple 11, which has a portion of the side of its upper end cut out, as indicated at 12. Disposed around the remaining portion of c;- the said upper end of the barrel is a band 13, the ends of which extend horizontally outwardly from the barrel, past the cut out 12, and beyond the side of said barrel. 1 Carried by the outer end portions of the said a; band ends are the pivot bolts 13, which pivotally support the yoke 14, whose bight portion is arranged to lie outwardly of the ends of the band. Disposed transversely through the intermediate portions of the arms of the to yoke is a pivot orshaft 15, on which is mounted the grooved wheel or pulley 16, said pulley being arranged between the said ends of the band. In the upper edge of each 01' said band ends, inwardly of the pivots 13, is a notch 1'? which is arranged to receive the end portions of the shaft 15, between the pulley and the arms of the yoke, as clearly seen in the top plan View, Figure 2, when the yoke is swung down into the position shown in full lines in Figure 1. This places the pulle partly within the nipple, so that the ca 1e 18, which runs in said pulley, is disposed in the approximate center of the barrel, so that the swab may be more eiiiciently operated in said barrel. To the cable is connected the swab 19, which is operable within the barrel, in a manner well known.

In the normal working position of the device, the yoke 14; is in lowered horizontal position, as shown in the full lines in Figure 1, with the shaft ends seated in the notches of the band ends, and the pulley 16 lying partly within the barrel. The cable operates over or through the pulley, to cause the reciprocation of the swab 19, in the barrel. lVhen it is desired to remove the swab from the bar rel, the operator draws said swab upwardly in the barrel until said swab engages with the pulley, when further upward movement of the swab will cause the yoke to swing over into the position shown in dotted lines, in Figure 1, thereby readily permitting the swab to be taken out. Upon again placing the swab in the barrel, and lowering same therein, the yoke, with its pulley, will fall back into its full line position of Figure 1, by gravity. Thus the operator does not have to hold the heavy swab, While placing the pulley out of the way of said swab, nor does he have to touch the pulley, thereby rendering the device automatic in its action, and simplifying the operation of removing and replacing the swab, as well as lessening the time and labor required for this operation. 95

Formed in the shaft 15 is a lubricant passage, which is shown at 20, and which eX- tends through one end of said shaft. Removably secured in this end of the passage is a pressure lubricant cup 21, for feeding lubricant to the shaft, and to the hub of the wheel 16.

The yoke let is provided with a handle 22, on its bight portion, so that the wheel may be swung into and out of the casing 11 by hand.

hat is claimed is:

1. An attachment for the working barrel of a well swab comprising a bracket on the 10 barrel, and a pulley carrying frame mounted on the bracket for movement to place the pulley partly within the barrel and to remove the same therefrom.

An attachment for the working barrel 15 of awell swab comprising a pulley supported on the barrel and movable toward the barrel by gravity and movable away from the bare. by the swab.

3. An attaehment for the working barrel :0 of a well swab comprising a nipple mounted on the upper end of the barrel, said nipple having an opening in one side thereof, and a pulley mounted on the nipple for movemcnt into and out of the opening.

4. An attachment for the working barrel of a well swab oomprising a swab rope engaging pulley mounted thereon, said pulley being movable by the outcoming swab into a position away from the barrel and movable so by gravity toward the barrel after insertion of the swab into the barrel.

In testimony whereof, I flifiX my signature.

SAMUEL WV. GORDON.