US1608641A - Rotary trip tong - Google Patents

Rotary trip tong Download PDF

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Publication number
US1608641A
US1608641A US52168A US5216825A US1608641A US 1608641 A US1608641 A US 1608641A US 52168 A US52168 A US 52168A US 5216825 A US5216825 A US 5216825A US 1608641 A US1608641 A US 1608641A
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Prior art keywords
tong
handle
rotary
rod
pipe
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Expired - Lifetime
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US52168A
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Sadie C Winfrey
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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/16—Connecting or disconnecting pipe couplings or joints

Definitions

  • This invention relates to new and useful imrovements in a rotary trip tong.
  • ne objectof the invention is to provlde a tong of the character described adapted to be applied to a drill stem oi; other tu in a well bo're, and to be operated by the rotary table, and which ⁇ is so constructed that it will transmit only a predetermined ⁇ torsional strain to the stem, or tubing, and thus protect the tong against breakage and the stem, or tubing, and coupling connecting the sections thereof against crushing or bursting.
  • Figure 1 shows a fragmentary plan view of a rotary table, showing the tong applied to the pipe and in operative connection with the table, and
  • Figure 2 shows a frontelevation of tong.
  • the numeral 1 designates the rotary tale
  • the numeral 2 designates thedrill stem, or other pipe, which extends through the central opening of the table and down 4into a well bore.
  • the tong 'includes a handle, which is formed of the sections 3, and 4, 'ointed togather. free end of the section 4 are the serrated,
  • a chain 6 is astened, at one end, to the front side of the the handle, adjacent said jaws,- and this, chain is adapted to be passed around the pipe, and
  • Bearings 8, 8 are secured to the front side of the handle, on opposite sides o f the joint thereof, and a jointed rod formed ofthe sections 9, 9 works through said beLrings.
  • the ends of this rod are threaded and receive the nuts 10, 10 and inter osed between these nuts and the respective ear-ings 8, 8, and surrounding said rod are the strong coil springs 11, 11.
  • the joints of the handle and ,rod are aligned and are one way joints, being formed to break backwardly only.
  • a tong including a handle formed of sections jointed together, bearings carried by the handle, one on each side of the handle joint, a jointed rod working through said bearings, abutments on said rod, one on each side of the joint thereof, yieldable members interposed between the respective bearings and the corresponding abutments.
  • a tong including a handle formed of sections jointed together, hearings carried by the handle, one on each side oi' the handle 'oint, a jointed rod working through said earings, abutments on said rod, one on each side of the joint thereof, yieldable members interposed between the respective bearings and the corresponding abutments and pipe engaging means carried by the handle.

Description

Nov. 30 1926.
S. C. WlNFREY ROTARY TRI P TONG Filed August 24 IWW..
ffm@ T12@ Patented Nov. 30, 1926.
UNITED STATES PATENT OFFICE.
SADIE C. WINFREY, 0F NOBPHLEAT, ARKANSAS.
ROTARY TRIP TQNG.
Application led August 24, 1925. Serial No. d52,168.
This invention relates to new and useful imrovements in a rotary trip tong.
ne objectof the invention is to provlde a tong of the character described adapted to be applied to a drill stem oi; other tu in a well bo're, and to be operated by the rotary table, and which `is so constructed that it will transmit only a predetermined `torsional strain to the stem, or tubing, and thus protect the tong against breakage and the stem, or tubing, and coupling connecting the sections thereof against crushing or bursting. n
With the above and other objects in view this invention has particular relation to certain novel features of construction, operation, and arrangement of parts, an example of which is given in this specification and illustrated in the accompanying drawings, wherein Figure 1 shows a fragmentary plan view of a rotary table, showing the tong applied to the pipe and in operative connection with the table, and
Figure 2 ,shows a frontelevation of tong.
Referring now more particularly to the drawings, wherein like numerals of reference designate similar parts in each of the i ures, the numeral 1 designates the rotary tale, and the numeral 2 designates thedrill stem, or other pipe, which extends through the central opening of the table and down 4into a well bore.
The tong 'includes a handle, which is formed of the sections 3, and 4, 'ointed togather. free end of the section 4 are the serrated,
ipe engaging jaws 5, 5. A chain 6 is astened, at one end, to the front side of the the handle, adjacent said jaws,- and this, chain is adapted to be passed around the pipe, and
ybetween the jaws, and its other end may be secured to the hook 7 carried 'by vthe back side of the handle.
Bearings 8, 8 are secured to the front side of the handle, on opposite sides o f the joint thereof, and a jointed rod formed ofthe sections 9, 9 works through said beLrings. The ends of this rod are threaded and receive the nuts 10, 10 and inter osed between these nuts and the respective ear- ings 8, 8, and surrounding said rod are the strong coil springs 11, 11.
Secured to opposite si es of the The joints of the handle and ,rod are aligned and are one way joints, being formed to break backwardly only.
In application the tong is applied to the cannot be broken by the application of atorsional stra'n which the tong, or pipe will stand the springs 11, 11, will yield to permit the joints' connecting the handle sections 3. and 4 and the rod sections 9, 9, to
.break and the back up post 12 to pass, thus preventing the breakage of the tong and the bursting of the connecting coupling or the crushing of the pipe.
When the back up post has passed the pressure of said springs will immediately restore the tong to operative position so that upon the completion of each rotation of the table the back up post will again engage the tong and subject the pipe to another torsional strain, .and so onv until the joint is broken.
What vI claim is 1. A tong including a handle formed of sections jointed together, bearings carried by the handle, one on each side of the handle joint, a jointed rod working through said bearings, abutments on said rod, one on each side of the joint thereof, yieldable members interposed between the respective bearings and the corresponding abutments.
2. A tong including a handle formed of sections jointed together, hearings carried by the handle, one on each side oi' the handle 'oint, a jointed rod working through said earings, abutments on said rod, one on each side of the joint thereof, yieldable members interposed between the respective bearings and the corresponding abutments and pipe engaging means carried by the handle.
In testimony whereof I have signed my name'to this specification.
SADIE c. WINFREY.
pipe, in the usual Way. The-conventional
US52168A 1925-08-24 1925-08-24 Rotary trip tong Expired - Lifetime US1608641A (en)

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