US2637528A - Carrier bar for polish rods - Google Patents

Carrier bar for polish rods Download PDF

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Publication number
US2637528A
US2637528A US102568A US10256849A US2637528A US 2637528 A US2637528 A US 2637528A US 102568 A US102568 A US 102568A US 10256849 A US10256849 A US 10256849A US 2637528 A US2637528 A US 2637528A
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United States
Prior art keywords
carrier bar
ball
carrier
bore
polish rod
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US102568A
Inventor
Mace A Cox
James L Shively
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Individual
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Priority to US102568A priority Critical patent/US2637528A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/02—Rod or cable suspensions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32606—Pivoted
    • Y10T403/32631—Universal ball and socket
    • Y10T403/32681—Composite ball
    • Y10T403/32704—Stud extends into ball
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18888—Reciprocating to or from oscillating
    • Y10T74/1892—Lever and slide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18888—Reciprocating to or from oscillating
    • Y10T74/1892—Lever and slide
    • Y10T74/18968—Flexible connections
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2142—Pitmans and connecting rods

Definitions

  • An object of our invention is to provide a novel carrier bar in which the polish rod can align itself to compensate for mis-aligmnent of the carrier bar and also to compensate for the small arch of travel in which the carrier bar moves.
  • Another object of our invention is to provide a novel ball fitting which seats in the carrier bar, the polish rod being mounted on the sup porting ball.
  • Still another object of our invention is to provide a novel means of seating the supporting ball in the top of the carrier bar so that the center of rotation of the carrier ball is either within or very close to the top of the carrier bar.
  • Still another object of our invention is to provide a novel carrier bar of the character stated, which is simple in construction, effective in operation and which will permit reciprocation of the polish rod without bending or strain in the polish rod.
  • Figure l is a side elevation of our novel carrier bar.
  • Figure 2 is a transverse sectional view of the same.
  • Figure 3 is a top plan view of the carrier bar as viewed from line 3-3 of Figure 2 and with the supporting ball removed.
  • Figure 4 is a top plan view of the supporting ball as viewed from line ll of Figure 2.
  • the numeral I indicates a carrier bar, preferably formed of a single casting or forging, and formed with two cars 2-3, one on each side thereof, these ears are engaged by the reins (not shown) which extend to the reciprocating pumping beam of the apparatus.
  • the method of supporting a carrier bar from the reins of a pumping mechanism is usual and well known and the details of this support form no part of our invention.
  • a tapered bore 4 extends vertically through the body of the carrier bar I and this bore is larger at the bottom than at the top, the purpose of this flare in the bore will be further described.
  • a carrier ball 5 consists of a spherical lower portion 6 which seats in the spherical seat 1 in the top of the carrier bar I.
  • a flange 8 is integrally formed on the top of the ball 6 and the upper face of this flange is fiat so that the clamp 9 which clamps on to the polish rod Ill will rest on this flat surface.
  • the polish rod clamp 9 is of usual and well known construction and provides a means of connecting the polish rod to the ball carrier 5.
  • a vertical bore ll through the carrier ball closely fits the polish rid ill so that any lateral movement of the polish rod will cause the ball or spherical portion 6 to rock in the seat i.
  • the flare in the bore 4 permits the polish rod to move laterally within the body of the carrier bar as may be necessary to permit the polish rod to remain in a vertical position relative to the usual stufiing box on the top of the tubing.
  • a carrier bar for polish rods comprising a body, a pair of oppositely positioned ears extend ing from said body by means of which the both is supported, said body having a vertical bore extending therethrough from top to bottom, said bore being tapered outwardly towards the bottom of the body, a hemispherical seat formed in the body and at the upper end of said bore, a carrier ball swivelly mounted in said seat and in alignment with. the bore, said carrier ball. having a hole extending vertically therethrough and in alignment with said bore, said carrier ball including an integral. and outwardly flared flange on the upper end thereof, and the upper face of said flange being flat and of greater diameter than said carrier ball.
  • a carrier bar for polish rods comprising a body, a pair of oppositely positioned ears extending from said body by means of which the body is supported, said body having a vertical bore ex-- tending therethrough from top to bottom, said bore being tapered outwardly towards the bottom of the body, a hemispherical seat formed in the body and at the upper end of said bore, a carrier ball swivelly mounted in said seat and in alignment with the bore, said carrier ball having a hole extending vertically therethrough and in alignment with said bore, said carrier ball including an integral and outwardly flared flange on the upper end thereof, and the upper face of said flange being flat and of greater diameter than said carrier ball, the polish rod extending vertically through the carrier ball and through said bore in the body, and a clamp encircling the polish rod and resting on top of the fiat upper face of the carrier ball said clamp being about 4 the same diameter as the flat upper face of said flange.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Description

y 5, 1953 M. A. cox ETAL 2,637,528
CARRIER BAR FOR POLISH RODS Filed July 1, 1949 #461. ,4. 60/, (71/1/51 SW/I ZL 67% I Arm/Min Patented May 5, 1953 7 FFlCE 2,637,528 CARRIER BAR FOR PoLr'sH Rons Mace A. Cox and James L. Shively, Long Beach, Calif.
Application July 1, 1949, Serial No. 102,568
2 Claims.
In a pumping well the sucker rods which rise from the pump are secured to a polish rod which extends through the stuffing box at the top of the tubing. This polish rod in turn is attached to a carrier bar and the carrier bar is supported in the reins which hang from the pumping beam, all of which is usual and well known.
An object of our invention is to provide a novel carrier bar in which the polish rod can align itself to compensate for mis-aligmnent of the carrier bar and also to compensate for the small arch of travel in which the carrier bar moves.
Another object of our invention is to provide a novel ball fitting which seats in the carrier bar, the polish rod being mounted on the sup porting ball.
Still another object of our invention is to provide a novel means of seating the supporting ball in the top of the carrier bar so that the center of rotation of the carrier ball is either within or very close to the top of the carrier bar.
Still another object of our invention is to provide a novel carrier bar of the character stated, which is simple in construction, effective in operation and which will permit reciprocation of the polish rod without bending or strain in the polish rod.
Other objects, advantages and features of .invention may appear from the accompanying drawing, the subioined detailed description and the appended claims.
In the drawing:
Figure l is a side elevation of our novel carrier bar.
Figure 2 is a transverse sectional view of the same.
Figure 3 is a top plan view of the carrier bar as viewed from line 3-3 of Figure 2 and with the supporting ball removed.
Figure 4 is a top plan view of the supporting ball as viewed from line ll of Figure 2.
Referring more particularly to the drawing, the numeral I indicates a carrier bar, preferably formed of a single casting or forging, and formed with two cars 2-3, one on each side thereof, these ears are engaged by the reins (not shown) which extend to the reciprocating pumping beam of the apparatus. The method of supporting a carrier bar from the reins of a pumping mechanism is usual and well known and the details of this support form no part of our invention.
A tapered bore 4 extends vertically through the body of the carrier bar I and this bore is larger at the bottom than at the top, the purpose of this flare in the bore will be further described.
A carrier ball 5 consists of a spherical lower portion 6 which seats in the spherical seat 1 in the top of the carrier bar I. A flange 8 is integrally formed on the top of the ball 6 and the upper face of this flange is fiat so that the clamp 9 which clamps on to the polish rod Ill will rest on this flat surface. The polish rod clamp 9 is of usual and well known construction and provides a means of connecting the polish rod to the ball carrier 5. A vertical bore ll through the carrier ball closely fits the polish rid ill so that any lateral movement of the polish rod will cause the ball or spherical portion 6 to rock in the seat i. The flare in the bore 4 permits the polish rod to move laterally within the body of the carrier bar as may be necessary to permit the polish rod to remain in a vertical position relative to the usual stufiing box on the top of the tubing.
It will be evident that any horizontal misalignment of the body of the carrier bar will be compensated for by a shifting of the ball 6 in the seat 1.
Similarly, as the carrier bar E reciprocates in the pumping of the well, a slight arch in which it moves will cause the ball 6 to rock. in the seat I and will permit the polish rod It to remain substantially vertical and without creating anv bending or other stresses in the polish rod.
Having described our invention, we claim:
1. A carrier bar for polish rods comprising a body, a pair of oppositely positioned ears extend ing from said body by means of which the both is supported, said body having a vertical bore extending therethrough from top to bottom, said bore being tapered outwardly towards the bottom of the body, a hemispherical seat formed in the body and at the upper end of said bore, a carrier ball swivelly mounted in said seat and in alignment with. the bore, said carrier ball. having a hole extending vertically therethrough and in alignment with said bore, said carrier ball including an integral. and outwardly flared flange on the upper end thereof, and the upper face of said flange being flat and of greater diameter than said carrier ball.
2. A carrier bar for polish rods comprising a body, a pair of oppositely positioned ears extending from said body by means of which the body is supported, said body having a vertical bore ex-- tending therethrough from top to bottom, said bore being tapered outwardly towards the bottom of the body, a hemispherical seat formed in the body and at the upper end of said bore, a carrier ball swivelly mounted in said seat and in alignment with the bore, said carrier ball having a hole extending vertically therethrough and in alignment with said bore, said carrier ball including an integral and outwardly flared flange on the upper end thereof, and the upper face of said flange being flat and of greater diameter than said carrier ball, the polish rod extending vertically through the carrier ball and through said bore in the body, and a clamp encircling the polish rod and resting on top of the fiat upper face of the carrier ball said clamp being about 4 the same diameter as the flat upper face of said flange.
MACE A. COX. JAMES L. SHIVELY.
References Cited in the file of this patent UNITED STATES PATENTS 10 Number Name Date 531,264: Kennedy Dec. 18, 1894 2,044,536 Maier June 16, 1936 2,092,180 Porter Sept. 7, 1937
US102568A 1949-07-01 1949-07-01 Carrier bar for polish rods Expired - Lifetime US2637528A (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6149337A (en) * 1997-05-15 2000-11-21 Tides Marine, Inc. Self-aligning ball and socket bearing assembly

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US531264A (en) * 1894-12-18 Polished-rod adjuster
US2044536A (en) * 1934-10-11 1936-06-16 Oil Well Supply Co Beam hanger
US2092180A (en) * 1935-11-18 1937-09-07 J F Darby Beam hanger

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US531264A (en) * 1894-12-18 Polished-rod adjuster
US2044536A (en) * 1934-10-11 1936-06-16 Oil Well Supply Co Beam hanger
US2092180A (en) * 1935-11-18 1937-09-07 J F Darby Beam hanger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6149337A (en) * 1997-05-15 2000-11-21 Tides Marine, Inc. Self-aligning ball and socket bearing assembly

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