US750491A - Fishing-tool for oil or like wells - Google Patents

Description

No. 750,491. n PA-TBNTLD JAN. 26, 19M. 0. A. SARGBRT.

FISHING TOOL POR OIL 0R LIKE WELLS.

. APPLICATION rILLD ooT.24. 190s. No Marum..

Si Z y ui e -wl'l-NEssEs. mvlEM-JS Lotz; j@ mfg @KW @M Patented January 26, 1904.

UNITED STATES PATENT OFFICE.

CHARLES A. SAItGERT, OF SHERIDANVILLE, PENNSYLVANIA.

FISHING-TOOL FOR OIL OR LIKE WELLS.

SPECIFICATION forming part of Letters Patent No. 750,491, dated January 26, 1904.

Application led October 24, 1903. Serial No. 178,310. (No model.)

T0 (LH. whom t may concern:

Be it known that I, CHARLES A. SARGERT, a resident of Sheridanville, in the county of Allegheny and State of Pennsylvania, have invented a new and useful Improvement in Fishing-Tools for Oil or Like Wells; and I do hereby declare the following to be a full, clear, and exact description thereof.

My invention relates to fishing-tools for oil, gas, or like wells.

In the drilling of deep wells it often happens that the drilling-tool breaks or the ropesocket becomes detached from the rope and the tool drops to the bottom of the well. When the tool comes to a point of rest within the well, its upper end naturally leans toward the side of the well. In this position it is very difcult to grasp the upper end of the tool, especially as the 'upper end, owing to caving within the well, is liable to become embedded in the wall of the well, which greatly increases the difficulty of seizing it by any of the appliances now in use.

The object of my invention Vis to provide a fishing-tool by means of which the upper end of'the tubing or rods when leaning against the sides of the well or partially embedded therein may be readily moved out from the wall in such position to be seized by a suitable grappling device and raised to the top of the well.

Tovthese ends my invention comprises, generally stated, a socket guide or head adapted to be lowered into the well, said socket having guide-reins projecting down therefrom, the lower ends of said guide-reins tapering and having beveled inner edges, so that when the guide-reins are lowered and come in contact with the upper end of the tool the adjoining guide-reins, with their inner beveled edges, will engage the top of the tool, and by pressure down on said guide-reins the beveled edges thereof will act to force the tool. toward the aXial line of the socket, so as to be readily seized by a suitable grappling device.

My invention further comprises other novel features of construction, all of which will be fully hereinafter set forth and claimed.

To enable others skilled in the art to make and use my invention, l will describe the same sleeve 9.

more fully, referring to the accompanying drawings, in which- Figure 1 is a view of a portion of a well, showing my improved tool in the act of engaging the upper end of the tool to draw the same toward the central or axial line of the well. Fig. 2 is a view of my improved iishing-tool, partly in section and connected to a grappling device of common construction. Fig. 3 is a vertical sectional view of my invention as applied to a case where it is attached directly to the casing. Fig. 4 is a cross-section on the line 44, Fig. 3; and Fig. 5 is a modified form of my invention.

Like numerals indicate like parts in each of the figures.

In the drawings the numeral 2 designates a grappling device of ordinary construction.

This device is made up of the head 3 andthe sleeve 4 connected thereto. The lower end of this sleeve 4 is inwardly tapering, as at 5, and within the tapering seat formed thereby is the slip 6, whichhas the toothed inner face 7, flaring outwardly at the lower end. AThis slip 6tits within the tapering seat 5 and is normally held in said seat by means of the spring 8, interposed between said slip and the sleeve 4 is threaded, as at 10. The socket 11 of my improved tool has the internal threads 12, which are adapted to engage the threads 10 of the sleeve 4. Tap-screws 13 pass through the socket 11 into threaded seats in the sleeve 4, so as to prevent said socket from turning thereon. The socket 11 forms the shoulder 14, and said socket is provided with the grooves 15, which connect with the slots or openings 16 between the guide-reins 17. These guidereins 17 project down from the socket 11, and the lower ends of said guide-reins are tapered, as at 18, and the inner edges of said guidereins are beveled, as at 19. This beveled portion may extend up on said guide-reins to any desired distance, according' to the size of the hole within which my fishing-tool is to be used.

In Fig. 3 I have illustrated my invention in connection with a different form of grappling device, and in this form of my invention the socket 1 1 is provided with the inwardly-taper- The outer lower portion of the ing seat 20 and the threaded portion 21. The casing 22 is screwed into the socket 11, and the tool is lowered by means of the casing. I/Vithin the casing are the slips 23, which have at their lower ends the clamping-jaws 24, said slips being lowered by a suitable cable and being adapted to operate in connection with the tapering seat 2O to grasp and hold the tool after it has been brought into proper alinement with the socket 11 by means of the guide-reins.

In Fig. 5 I have illustrated a modified form of my invention, in which the shoulder 14 is dispensed with and the guide-reins are bowed out, as at 28, to correspond to the bore of the well. These guide-reins may be adjusted to wells of different bores by expanding or contracting same.

When my improved iishing-tool is in use, it is lowered into the well until the lower ends of the guide-reins 17 engage or straddle the top of the tool in the well, as illustrated in Fig. 1, the beveled edges 19 bearing against the head of said tool. If in the descent of the guide-reins one of the tapered ends of the guide-reins should strike on the upper end of the tool, by simply turning the device slightly the position of the guide-reins will be changed so that the tool enters between adjoining guidereins, as indicated in Fig. 1. When the guidereins have been adjusted in this manner, by slight downward pressure upon the same the beveled edges 19 of said guide-reins moving along the upper edges of the tool will act to cause the tool 25 to move over away from the walls of the well into such position that upon further lowering of the device the upper end of the tool 25 will be forced up into the slip 6. The force of the downward pressure will act to force said slip upwardly against the spring 8 until the head of the tool 25 has been grasped by the toothed inner face of the slip, whereupon by drawing up on the device the tool will be securely gripped by the slip and may be then lifted up and out of the well. rIhe action of the guide-reins 17 is such that even though the upper end of the tool 25 may be somewhat embedded in the side of the Well, as indicated in Fig. 1, the beveled edges 19 of said reins will act to draw the head of the'tool out from the wall of the well and over into line to be seized by the grappling device. If in the descent of my improved fishing-tool or in the raising of the same the surrounding rock or slate drops upon the shoulder 14, the grooves 15 will permit any such rock or sand to pass by, so as to prevent the tool from sticking,

and such rock or slate in passing through the grooves 15 will pass through the slots 16 into the well and the sticking or binding of the socket or guide-reins is avoided. By this construction the socket-guide and reins may be of the same diameter as the well, so asto enable the guide-reins to move close to the walls of the well and engage the head of the broken tool properly, while at the same time provision is made for the escape` of any material dropping upon the upper end of the socket.

Where my invention is applied to a grappling device like that shown in Fig. 3,the socket and guide-reins are lowered 0n the casing 22 and the tool 26 is moved over by the guidereins in the manner above described so as to be in proper alinement with the gripping device, as indicated in Fig. 3. By lowering the slips 23 the jaws 24 are forced in between the tool and the tapering seat 2O of the socket,

so as to firmly grip or clutch the tool for the purpose of withdrawing the same. In the same manner as before any material dropping from abovewill pass by the grooves 15 as before down and through the slot 16 into the well.

Then the modified form shown in Fig. 5 is in use, the device is lowered into the well, and its action will be the same as above. The

caving rock or sand falling from above will escape through the openings 16 as before and prevent the binding of the tool in the well.

By my invention I am enabled to insure the drawing of the toolV away from the Walls of the well in such position to be seized by the gripping device not only when the upper end of the tool merely leans against the sides of the well, but even when it is partially embedded in the wall thereof.

What I claim is- 1. In a fishing-tool, a head or socket having tapering projections extending down therefrom with beveled inner edges.

2. In a fishing-tool, a head or socket, guidereins projecting down therefrom, said guidereins having tapering ends and beveled inner edges.

3. In a fishing-tool, a head or socket having guide reins, projecting down therefrom, grooves in said head connecting with the slots formed by said guide-reins, said reins having tapering ends and beveled inner edges.

In testimony whereof I, the said CHARLES A. SARGERT, have hereunto set my hand.

CHARLES A. SARGERT.

Witnesses:

ROBERT C. To'rTEN, Gr. C. RAYMOND.

IOO

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