US784055A - Well fishing-tool. - Google Patents

Well fishing-tool. Download PDF

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Publication number
US784055A
US784055A US19877604A US1904198776A US784055A US 784055 A US784055 A US 784055A US 19877604 A US19877604 A US 19877604A US 1904198776 A US1904198776 A US 1904198776A US 784055 A US784055 A US 784055A
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Prior art keywords
arms
rod
sleeve
spring
collar
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Expired - Lifetime
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US19877604A
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Charles W Kroening
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Individual
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    • 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
    • E21B31/00—Fishing for or freeing objects in boreholes or wells
    • E21B31/12—Grappling tools, e.g. tongs or grabs
    • E21B31/20—Grappling tools, e.g. tongs or grabs gripping internally, e.g. fishing spears

Definitions

  • Figure 1 is a side elevation of my improved device.
  • Fig. 2 is a similar v1ew,'partly broken away, showing the parts in grasping position.
  • Fig. 3 1s a bottom view of the same, and
  • Fig. 4 is a detailed view of a part of the device.
  • A represents a sleeve carrying a series of spring-arms Slidable within the sleeve is a rod 4, supporting at its lower end a collar 5,which incloses the springarms.
  • the collar 5 is connected with the rod 4: by arms 12, the collar and arms 12 constituting a cage to pass around the object to be extracted, as hereinafter set forth.
  • the rod 4: is adapted to be connected at its upper end by means of a coupler 6 to the ordinary pumprod or other suitable rod 7.
  • the sleeve A is connected, as by a coupler 8, with a pipe 9, which may be the water-pipe.
  • a washer 11 is interposed between the sleeve A and pipe 9, against which washer the coupler 6 abuts to limit the movement of the collar 5.
  • the device In use the device is lowered into the well with the spring-arms closed, as shown in Fig. 2. WVhen lowered to the bottom of the well, the rod 7 will be raised to release the springarms 3 and allow their toothed ends 10 to pass around the object which it is desired to eX- tract.
  • the collar 5 By forcing the rod 7 downward, as shown in Fig. 2, the collar 5 is carried down upon the spring-arms to hold the ends of the spring-arms in clamping position against the object, when the same can be drawn from the well.
  • the arms 12 of the collar 5 forma space into which the object may extend, and thus permit a firm grip upon the object to be secured.
  • the sleeve A and pipe 9 serve as a guide for the rods 4- and 7, preventing bending of said rods.
  • the device as it will be seen, is simple and can be easily operated, and by it broken tools &c., can be extracted from the bottom of drilled wells which cannot be successfully extracted by the ordinary well fishingtools.
  • a device of the class described comprising a sleeve, a series of spring-arms carried by said sleeve, a rod slidable in said sleeve, a series of outwardly-branching arms extending from the lower end of said rod, and a collar supported from the lower end of said branching arms and inclosing said spring arms, for the purpose set forth.
  • a device of the class described comprising a sleeve, a series of spring-arms carried by said sleeve, a rod slidable in said sleeve, and an open-end cage supported by, and eX tending beyond, the lower end of said rod, the open end of said cage surrounding said spring-arms whereby an object grasped by said spring-arms may extend into said cage.
  • a device of the class described comprising a pump-rod and an inclosing pipe, a sleeve detachably connected with the lower end of said pipe, a series of downwardly-extending spring-arms carried by said sleeve, a rod detachably connected with the lower end of the pump-rod, and a collar supported by said lower rod and inclosing said spring-arms.
  • a device of the class described comprising, in combination, a pump-rod and inclosing pipe, a sleeve connected with the lower end of said pipe, a series of downwardly-extending spring-arms carried by said sleeve, a slidable collar inclosing said spring-arms, a rod connected with said collar, a coupling connecting said collar and rod with said pumprod, and a washer interposed between said pipe and sleeve and serving as a stop for said couplin In testimony whereof I aflix my signaturein presence of two witnesses.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)

Description

No. 784,055. PATENTED MAR. 7, 1905. G. W. KROENING.
WELL FISHING TOOL.
APPLICATION 11.31) MAR. 18. 1904.
iTnn STATES l atented March '7, 1903.
PATENT OFFICE.
WELL FISHING-TOOL.
SPECIFICATION forming part of Letters Patent No. 784,055, dated March 7, 1905.
Application filed March 18, 1904. Serial No. 198,776.
part of this specification, Figure 1 is a side elevation of my improved device. Fig. 2 is a similar v1ew,'partly broken away, showing the parts in grasping position. Fig. 3 1s a bottom view of the same, and Fig. 4 is a detailed view of a part of the device. I
In the drawings, A represents a sleeve carrying a series of spring-arms Slidable within the sleeve is a rod 4, supporting at its lower end a collar 5,which incloses the springarms. The collar 5 is connected with the rod 4: by arms 12, the collar and arms 12 constituting a cage to pass around the object to be extracted, as hereinafter set forth. The rod 4: is adapted to be connected at its upper end by means of a coupler 6 to the ordinary pumprod or other suitable rod 7. The sleeve A is connected, as by a coupler 8, with a pipe 9, which may be the water-pipe. A washer 11 is interposed between the sleeve A and pipe 9, against which washer the coupler 6 abuts to limit the movement of the collar 5.
In use the device is lowered into the well with the spring-arms closed, as shown in Fig. 2. WVhen lowered to the bottom of the well, the rod 7 will be raised to release the springarms 3 and allow their toothed ends 10 to pass around the object which it is desired to eX- tract. By forcing the rod 7 downward, as shown in Fig. 2, the collar 5 is carried down upon the spring-arms to hold the ends of the spring-arms in clamping position against the object, when the same can be drawn from the well. The arms 12 of the collar 5 forma space into which the object may extend, and thus permit a firm grip upon the object to be secured. The sleeve A and pipe 9 serve as a guide for the rods 4- and 7, preventing bending of said rods.
The device, as it will be seen, is simple and can be easily operated, and by it broken tools &c., can be extracted from the bottom of drilled wells which cannot be successfully extracted by the ordinary well fishingtools.
Having now described my invention, what I claim as new, and desire to secure by Letters Patent, is-
1. A device of the class described compris ing a sleeve, a series of spring-arms carried by said sleeve, a rod slidable in said sleeve, a series of outwardly-branching arms extending from the lower end of said rod, and a collar supported from the lower end of said branching arms and inclosing said spring arms, for the purpose set forth.
2. A device of the class described comprising a sleeve, a series of spring-arms carried by said sleeve, a rod slidable in said sleeve, and an open-end cage supported by, and eX tending beyond, the lower end of said rod, the open end of said cage surrounding said spring-arms whereby an object grasped by said spring-arms may extend into said cage.
3. A device of the class described, comprising a pump-rod and an inclosing pipe, a sleeve detachably connected with the lower end of said pipe, a series of downwardly-extending spring-arms carried by said sleeve, a rod detachably connected with the lower end of the pump-rod, and a collar supported by said lower rod and inclosing said spring-arms.
4. A device of the class described, comprising, in combination, a pump-rod and inclosing pipe, a sleeve connected with the lower end of said pipe, a series of downwardly-extending spring-arms carried by said sleeve, a slidable collar inclosing said spring-arms, a rod connected with said collar, a coupling connecting said collar and rod with said pumprod, and a washer interposed between said pipe and sleeve and serving as a stop for said couplin In testimony whereof I aflix my signaturein presence of two witnesses.
CHARLES IV. KROENING.
Witnesses:
H. S. JoI-INsoN, EMILY F. ()rrrs.
US19877604A 1904-03-18 1904-03-18 Well fishing-tool. Expired - Lifetime US784055A (en)

Priority Applications (1)

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US19877604A US784055A (en) 1904-03-18 1904-03-18 Well fishing-tool.

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US19877604A US784055A (en) 1904-03-18 1904-03-18 Well fishing-tool.

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3793650A (en) * 1971-09-24 1974-02-26 Nat Res Dev Prosthetic bone joint having a spacer device
US4030745A (en) * 1976-06-16 1977-06-21 Schoeffler William N Tool retriever for wells
US20040041423A1 (en) * 2002-08-28 2004-03-04 Cannon Steven Earl Clamp and method for handling objects

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3793650A (en) * 1971-09-24 1974-02-26 Nat Res Dev Prosthetic bone joint having a spacer device
US4030745A (en) * 1976-06-16 1977-06-21 Schoeffler William N Tool retriever for wells
US20040041423A1 (en) * 2002-08-28 2004-03-04 Cannon Steven Earl Clamp and method for handling objects

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